Catalog 12 Index ANSI/ISA/IEC VALVE SIZING …linearcontrols.net/intranet2/Fisher/Fisher/Sizing/cat12sect1.pdfFisher, and Fisher-Rosemount are marks owned by Fisher Controls In-

Catalog 12Index

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Catalog 12

ANSI/ISA/IEC VALVE SIZING

SECTION 1 FLOW COEFFICIENTS(ANSI/ISA/IEC)

Globe and Angle Valve Bodies throughClass 600

Design Page

1018S Equal Percentage 1018S-1Linear 1018S-3

CPLinear Valve Plug

Flow Up CP-1Flow Up 1/2 & 3/4-inch CP-9Flow Down CP-3

Equal PercentageFlow Up CP-4Flow Up 1/2 & 3/4-inch CP-9Flow Down CP-6

Micro-Flow! LinearFlow Up CP-7

Whisper Trim" III and Cavitrol" III CP-7Cavitrol CP-8ENVIRO-SEAL" Bellows Seal CP-10

EAD Quick-Opening Cage EAD-1Linear Cage EAD-3Equal Percentage Cage EAD-5Whisper Trim I Cage EAD-7

EAS Quick-Opening CageFlow Up EAS-1Flow Down EAS-5*

(EAD-1)Linear Cage

Flow Up EAS-2Flow Down EAS-5*

(EAD-3)Equal Percentage Cage

Flow Up EAS-3Flow Down EAS-5*

(EAD-5)Whisper Trim I Cage EAS-4

EAT EAT-1*Quick-Opening Cage (EAD-1)Linear Cage (EAD-3)Equal Percentage Cage (EAD-5)Whisper Trim I Cage (EAD-7)

Design Page

ED Quick-Opening Cage ED-1Linear Cage ED-3Equal Percentage Cage ED-5Whisper Trim I Cage ED-7Whisper Trim III Cage ED-8

EDR 1 thru 4-Inch Valve Bodies EDR-1*Quick-Opening Cage (ED-1)Linear Cage (ED-3)Equal Percentage Cage (ED-5)Whisper Trim I Cage (ED-7)

EK Quick-Opening Cage EK-1Linear Cage EK-1

EKR 1 thru 4-Inch Valve BodiesQuick-Opening Cage EK-1Linear Cage EK-1

ES Quick-Opening Cage ES-1Linear Cage ES-3Equal Percentage Cage ES-5Whisper Trim I Cage ES-7Whisper Trim III Cage ES-8

ESR 1-Inch Valve Body OnlyQuick-Opening Cage ESR-1Linear Cage ESR-1Equal Percentage Cage ESR-1

1-1/2 thru 4-Inch Valve Bodies ESR-1*Quick-Opening Cage (ES-1)Linear Cage (ES-3)Equal Percentage Cage (ES-5)Whisper Trim I Cage (ES-7)

ET ET-1*Quick-Opening Cage (ED-1)Linear Cage (ED-3)Equal Percentage Cage (ED-5)Whisper Trim I Cage (ED-7)Whisper Trim III Cage (ED-8)Cavitrol III Cage ET-1

ET-C ET-2*Linear Cage (ED-3)Equal Percentage Cage (ED-5)Whisper Trim I Cage (ED-7)Whisper Trim III Cage (ED-8)

ETR 1 thru 4-Inch Valve Bodies ET-3*Quick-Opening Cage (ED-1)Linear Cage (ED-3)Equal Percentage Cage (ED-5)Whisper Trim I Cage (ED-7)

*For flow coefficients, turn to page numbers shown in parentheses.


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Catalog 12

Design Page

EUDLinear Cage EU-1Equal Percentage Cage EU-2Whisper Trim III - Level A1 EU-3Cavitrol III Trim - One Stage EU-4

EUT-2Linear Cage EU-1Equal Percentage Cage EU-2Whisper Trim III - Level A1 EU-3Cavitrol III Trim - One Stage EU-4

EWDQuick-Opening Cage EW-1Linear Cage EW-1Equal Percentage Cage EW-2Whisper Trim I Cage EW-3Whisper Trim III Cage EW-4

EWD and EWT-2—16-Inch and LargerLinear Cage

Drilled Window Cage EW-8Equal Percentage Cage

Drilled Window Cage EW-10Whisper Trim III - Level A1 EW-11Cavitrol III Trim - One Stage EW-13

EWD and EWT-2—20-Inch and LargerLinear Cage

Cast Window Cage EW-7Equal Percentage Cage

Cast Window Cage EW-9

EWND EWN-1

EWND-1 Whisper Trim III Cage EWN-2

EWNS EWN-3

EWNT Cavitrol III Cage EWN-1

EWNT-2 EWN-4*Whisper Trim III Cage (EWN-2)

Design Page

EWSQuick-Opening Cage EW-15Linear Cage EW-15Equal Percentage Cage EW-16Whisper Trim I Cage EW-17Whisper Trim III Cage EW-18

EWT EW-21*Quick-Opening Cage (EW-1 and EW-5)Linear Cage (EW-1 and EW-5)Equal Percentage Cage (EW-2 and EW-5)Whisper Trim I Cage (EW-3 and EW-5)Whisper Trim III Cage (EW-4 and EW-6)Cavitrol III Cage EW-20

EWT-C EW-22*Quick Opening Cage (EW-1)Linear Cage (EW-1)Equal Percentage Cage (EW-2)Whisper Trim I Cage (EW-3)Whisper Trim III Cage (EW-4)

EZ Quick-Opening Valve Plug EZ-1Linear Valve Plug EZ-2Equal Percentage Valve Plug EZ-3Micro-Form! Valve Plug EZ-4Micro-Flute! Valve Plug EZ-5Micro-Flow Valve Plug EZ-5

EZ-C EZ-6*Quick Opening Cage (EZ-1)Linear Cage (EZ-2)Equal Percentage Cage (EZ-3)Micro-Form Valve Plug (EZ-4)

RSS RSS-1

YD Converging Flow YD-1Diverging Flow YD-3

YS Converging Flow YS-1Diverging Flow YS-3


Catalog 12Index


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Catalog 12Whisper Trim, Cavitrol, Micro-Form, Micro-Flute, Micro-Flow, Micro-Flat,Fisher, and Fisher-Rosemount are marks owned by Fisher Controls In-ternational, Inc. or Fisher-Rosemount Systems, inc. All other marks arethe property of their respective owners.

Globe and Angle Valve BodiesOver Class 600Design Page

461 461-1

CAV4 Cavitrol" IV Trim CAV4-1

D Micro-Form! Valve Plug D-1Micro-Flute! Valve Plug D-2

DA Equal Percentage Valve Plug DA-1Micro-Flute Valve Plug DA-3

EHD Class 1500Linear Cage EH-1Equal Percentage Cage EH-1Modified Equal Percentage Cage EH-2

Class 2500Linear Cage EH-3Equal Percentage Cage EH-3Modified Equal Percentage Cage EH-4

EHS Class 1500Linear Cage EH-5Equal Percentage Cage EH-5Modified Equal Percentage Cage EH-6Micro-Form Valve Plug EH-8Cavitrol III Cage EH-10

Class 2500Linear Cage EH-7Equal Percentage Cage EH-7Modified Equal Percentage Cage EH-7Micro-Form Valve Plug EH-9Cavitrol III Cage EH-11

EHT EH-10*Class 1500

Linear Cage (EH-1)Equal Percentage Cage (EH-1)Modified Equal Percentage Cage (EH-2)Cavitrol III Cage EH-10

Class 2500Linear Cage (EH-3)Equal Percentage Cage (EH-3)Modified Equal Percentage Cage (EH-4)Cavitrol III Cage EH-10

EWD Quick-Opening Cage EW-5Linear Cage EW-5Equal Percentage Cage EW-5Whisper Trim" I Cage EW-5

Design Page

EWD-1 Quick-Opening Cage EW-5Linear Cage EW-5Equal Percentage Cage EW-5Whisper Trim III Cage EW-6

EWND-1 Whisper Trim III Cage EWN-2

EWNT-1 EWN-4*Whisper Trim III Cage (EWN-2)

EWS Quick-Opening Cage EW-19Linear Cage EW-19Equal Percentage Cage EW-19

EWT EW-21*Quick-Opening Cage (EW-5)Linear Cage (EW-5)Equal Percentage Cage (EW-5)Whisper Trim I Cage (EW-5)Cavitrol III Cage EW-21

EWT-1 EW-23*Quick-Opening Cage (EW-5)Linear Cage (EW-5)Equal Percentage Cage (EW-5)Whisper Trim III Cage (EW-6)

HPADLinear Cage HP-1Equal Percentage Cage HP-1Modified Equal Percentage Cage HP-1Whisper Trim III Cage HP-2

HPASClass 900

Linear Cage HP-3Equal Percentage Cage HP-3

Without Liner HP-4With Liner HP-6

Modified Equal Percentage Cage HP-3Without Liner HP-4With Liner HP-6

Micro-Flute Valve Plug HP-8Micro-Flat! Valve Plug HP-9Micro-Form Valve Plug HP-10Whisper Trim III Cage HP-14Cavitrol III Cage HP-15

Class 1500Linear Cage HP-3Equal Percentage Cage HP-3



Micro-Flute Valve Plug HP-8Micro-Flat Valve Plug HP-9Micro-Form Valve Plug HP-10Whisper Trim III Cage HP-14Cavitrol III Cage HP-15


Catalog 12Index


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Catalog 12*For flow coefficients, turn to page numbers shown in parentheses.

Design Page

HPASClass 2500

Linear Cage HP-3Equal Percentage Cage HP-3



Micro-Flute Valve Plug HP-8Micro-Flat Valve Plug HP-9Micro-Form Valve Plug HP-12Whisper Trim III Cage HP-14Cavitrol III Cage HP-15

HPAT HP-15*Cavitrol III Cage HP-15Linear Cage (HP-1)Equal Percentage Cage (HP-1)Modified Equal Percentage Cage (HP-1)Whisper Trim III Cage (HP-2)

HPDClass 900 & 1500

Linear Cage HP-16Equal Percentage Cage HP-16Whisper Trim III HP-18

Class 2500Linear Cage HP-17Equal Percentage Cage HP-17Whisper Trim III HP-18

HPSClass 900, 1500, & 2500

Linear Cage HP-19Equal Percentage Cage HP-19Micro-Flute HP-20Micro-Form (Class 900 & 1500) HP-21Micro-Form (Class 2500) HP-22Whisper Trim III HP-25Cavitrol III HP-26

HPT Cavitrol III HP-26

PQC Taper Plug Valve PlugGlobe PQC-1Angle PQC-1

Ball Valve Bodies

CV500 Forward Flow CV500-1Reverse Flow CV500-2

V150 Composition and Flat Metal SealsFlow Ring Constructions

Sizes 1--8” V150-1Sizes 10--20” V150-2

HD (Heavy-Duty) Metal SealsSizes 1--8” V150-3Sizes 10--20” V150-4

V200 V200-1

Design Page

V250 V250-1

V260 V260ACharacterized V260-1High Density V260-2

V260BCharacterized V260-3High Density V260-4

V260C V260-5

V300 V300-1

V500 Full Port Level 1, 2, and 3 TrimsForward Flow V500-1Reverse Flow V500-2

Reduced Port Level 1, 2, and 3 TrimsForward Flow V500-3Reverse Flow V500-4

Full Port Level 4 TrimForward Flow V500-5Reverse Flow V500-6

Reduced Port Level 4 TrimForward Flow V500-7Reverse Flow V500-8

Butterfly Valve Bodies

A11 Classes 150/150 & 150 A11-1Class 300 A11-2Class 600 A11-3

A31A A31A-1

A31D Class 150 A31D-1Class 300 A31D-2

A41 A41-1

8532 Class 150 8532-1Class 300 8532-2

8560 Class 150Forward Flow 8560-1Reverse Flow 8560-2

Class 300Forward Flow 8560--3Reverse Flow 8560-4

9500 Conventional Disk 9500-1Fishtail Disk 9500-2

Catalog 12Index


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Catalog 12

SECTION 2 VALVE SIZING PROCEDURE

Introduction 2-1

Sizing Valves for Liquids 2-1

Liquid Sizing Sample Problems 2-8

Sizing Valves for Compressible Fluids 2-12

Compressible Fluid Sizing Sample Problems 2-14

FSP Vapor Pressure Calculation (V1.4) 2-17

FSP Pulp Stock Sizing Calculations (V1.4) 2-19

Technical Information 2-23

Leakage Specification 2-27

Valve Sizing for Cavitating and Flashing Liquids 2-28

Valve Sizing for Liquid-Gas Mixture 2-29

Saturated Steam Pressure and Temperature 2-32

Saturated and Superheated Steam Density/Temperature Curve2-34

Velocity Equations 2-35

SECTION 3 NOISE ABATEMENTHydronamic Noise ("SPLAr Corrections) 3-1

Sound Characteristics 3-2

Hydrodynamic Noise 3-5

Catalog 12Index

Catalog 12Section 1

Printed in U.S.A. on recycled paper.!Fisher Controls International, Inc., 1999;All Rights Reserved

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Catalog 12

Table 1. Typical Values of Valve Style Modifier Fd (Full Size Trim)

VALVE FLOW RELATIVE FLOW COEFFICIENT ####VALVETYPE

FLOWDIRECTION 0.10 0.20 0.40 0.60 0.80 1.00

Globe, parabolic plug To openTo close

0.100.20

0.150.30

0.250.50

0.310.60

0.390.80

0.461.00

Globe, 3 V-port plug Either(1) 0.29 0.40 0.42 0.43 0.45 0.48



Globe, 60 equal diameter holedrilled cage Either(1) 0.40 0.29 0.20 0.17 0.14 0.13

Globe, 120 equal diameter holedrilled cage Either(1) 0.29 0.20 0.14 0.12 0.10 0.09

Butterfly, swing-through(centered shaft), to 70#

Either 0.26 0.34 0.42 0.50 0.53 0.57

Butterfly, fluted vane, to 70# Either 0.08 0.10 0.15 0.20 0.24 0.30

60# flat disk Either 0.50

Eccentric rotary plug Either 0.12 0.18 0.22 0.30 0.36 0.42

Segmented ball Either 0.60 0.65 0.70 0.75 0.78 0.80Note: These values are typical only; actual values shall be stated by manufacturer.1. Limited P1 -- P2 in flow to close direction.

Typical Fd Valve Style Modifier Values

(From IEC534)

Micro-Form Valve PlugFlow Up

Type 357


0)1 &'''()*+ 234.&

Catalog 12Micro-Form, Fisher, and Fisher-Rosemount are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

Micro-Form—Flow Up Equal PercentageCharacteristic

ValveSize,

Port Diameter MaximumTravel Coeffic Valve Opening—Percent of Total Travel

FL(1)Size,

Inches Inches mm Inches mm ients 10 20 30 40 50 60 70 80 90 100FL

CV 0.052 0.083 0.125 0.178 0.249 0.367 0.541 0.776 1.12 1.45 0.93

1/4 6.35 3/4 19.1 KV 0.045 0.072 0.108 0.154 0.215 0.318 0.468 0.671 0.969 1.25 - - -1/4 6.35 3/4 19.1XT 0.327 0.370 0.581 0.571 0.581 0.603 0.610 0.618 0.590 0.629 - - -

CV 0.135 0.202 0.281 0.401 0.557 0.786 1.14 1.72 2.42 3.05 0.97

3/8 9.53 3/4 19.1 KV 0.117 0.175 0.243 0.347 0.482 0.680 0.986 1.488 2.09 2.64 - - -3/8 9.53 3/4 19.1XT 0.694 0.694 0.683 0.719 0.660 0.622 0.514 0.582 0.725 0.784 - - -

CV 0.184 0.323 0.502 0.762 1.13 1.63 2.31 3.27 4.56 5.43 0.96

1/2 12.7 3/4 19.1 KV 0.159 0.279 0.434 0.659 0.978 1.41 2.00 2.83 3.94 4.70 - - -1/2 12.7 3/4 19.1XT 0.656 0.611 0.643 0.615 0.563 0.542 0.561 0.608 0.649 0.781 - - -

1CV 0.362 0.589 0.871 1.29 1.96 3.02 4.54 6.40 8.24 9.68 0.93

3/4 19.1 3/4 19.1 KV 0.313 0.510 0.753 1.12 1.70 2.61 3.93 5.54 7.13 8.37 - - -3/4 19.1 3/4 19.1XT 0.794 0.650 0.596 0.607 0.632 0.630 0.629 0.673 0.780 0.780 - - -

CV 0.952 1.40 1.86 2.58 3.74 5.45 7.60 9.86 11.4 11.5 0.89

1 25.4 3/4 19.1 KV 0.824 1.21 1.61 2.23 3.24 4.71 6.57 8.53 9.86 9.95 - - -1 25.4 3/4 19.1XT 0.576 0.533 0.555 0.596 0.643 0.667 0.671 0.658 0.680 0.701 - - -

CV 1.36 1.97 2.70 3.65 4.95 6.70 8.76 10.7 11.8 12.2 0.88

1-1/2 38.1 3/4 19.1 KV 1.18 1.70 2.34 3.16 4.28 5.80 7.58 9.26 10.2 10.6 - - -1-1/2 38.1 3/4 19.1XT 0.625 0.609 0.575 0.610 0.678 0.730 0.738 0.727 0.704 0.685 - - -

CV 0.052 0.083 0.125 0.178 0.249 0.367 0.541 0.776 1.12 1.45 0.93

1/4 6.35 3/4 19.1 KV 0.045 0.072 0.108 0.154 0.215 0.318 0.468 0.671 0.969 1.25 - - -1/4 6.35 3/4 19.1XT 0.879 0.676 0.617 0.609 0.633 0.613 0.609 0.638 0.627 0.670 - - -

CV 0.155 0.202 0.281 0.401 0.557 0.786 1.14 1.71 2.54 3.18 0.93

3/8 9.53 3/4 19.1 KV 0.134 0.175 0.243 0.347 0.482 0.680 0.986 1.48 2.20 2.75 - - -3/8 9.53 3/4 19.1XT 0.526 0.693 0.683 0.718 0.660 0.622 0.514 0.589 0.658 0.721 - - -

CV 0.178 0.280 0.440 0.548 0.983 1.46 2.14 3.11 4.57 5.37 0.93

1/2 12.7 3/4 19.1 KV 0.154 0.242 0.381 0.474 0.850 1.262 1.85 2.69 3.95 4.65 - - -1/2 12.7 3/4 19.1XT 0.412 0.711 0.614 0.712 0.589 0.568 0.542 0.557 0.521 0.718 - - -

2CV 0.354 0.544 0.886 1.44 2.05 3.05 4.72 6.79 9.40 11.5 0.92

3/4 19.1 3/4 19.1 KV 0.306 0.471 0.766 1.25 1.77 2.64 4.08 5.87 8.13 9.95 - - -3/4 19.1 3/4 19.1XT 0.754 0.624 0.584 0.504 0.523 0.554 0.504 0.532 0.587 0.665 - - -

CV 0.980 1.41 1.86 2.61 3.86 5.78 8.53 12.3 17.1 20.0 0.89

1 25.4 3/4 19.1 KV 0.848 1.22 1.61 2.26 3.34 5.00 7.38 10.6 14.8 17.3 - - -1 25.4 3/4 19.1XT 0.581 0.575 0.603 0.602 0.594 0.580 0.576 0.572 0.567 0.634 - - -

CV 1.37 2.01 2.72 3.71 5.28 7.78 11.4 16.1 21.1 25.2 0.91

1-1/2 38.1 3/4 19.1 KV 1.19 1.74 2.35 3.21 4.57 6.73 9.86 13.9 18.3 21.8 - - -1-1/2 38.1 3/4 19.1XT 0.650 0.619 0.582 0.579 0.573 0.556 0.553 0.591 0.688 0.676 - - -

1. At 100% travel.

Micro-Form—Flow Down Equal PercentageCharacteristic

ValveSize,

Port Diameter MaximumTravel Coeffic Valve Opening—Percent of Total Travel

FL(1)Size,

Inches Inches mm Inches mm ients 10 20 30 40 50 60 70 80 90 100FL

CV 0.064 0.109 0.167 0.269 0.423 0.615 0.805 1.06 1.42 1.64 0.78

1/4 6.35 3/4 19.1 KV 0.055 0.094 0.145 0.233 0.366 0.532 0.696 0.917 1.23 1.42 - - -1/4 6.35 3/4 19.1XT 0.793 0.502 0.438 0.306 0.201 0.211 0.263 0.326 0.386 0.503 - - -

CV 0.197 0.274 0.431 0.729 1.00 1.16 1.44 2.04 2.97 3.53 0.76

3/8 9.53 3/4 19.1 KV 0.170 0.237 0.373 0.631 0.865 1.00 1.25 1.76 2.57 3.05 - - -3/8 9.53 3/4 19.1XT 0.447 0.345 0.287 0.205 0.194 0.290 0.357 0.406 0.467 0.553 - - -

CV 0.285 0.477 0.728 1.13 1.58 1.92 2.43 3.44 4.78 5.47 0.79

1/2 12.7 3/4 19.1 KV 0.247 0.413 0.630 0.978 1.37 1.66 2.10 2.98 4.13 4.73 - - -1/2 12.7 3/4 19.1XT 0.234 0.233 0.218 0.200 0.209 0.292 0.376 0.400 0.455 0.590 - - -

1CV 0.570 0.966 1.64 2.35 2.84 3.44 5.03 6.81 8.01 8.90 0.94

3/4 19.1 3/4 19.1 KV 0.493 0.836 1.42 2.03 2.46 2.98 4.35 5.89 6.93 7.70 - - -3/4 19.1 3/4 19.1XT 0.254 0.187 0.145 0.167 0.249 0.377 0.418 0.497 0.694 0.833 - - -

CV 1.70 2.66 3.15 3.57 4.26 5.43 7.22 9.52 11.2 11.4 0.97

1 25.4 3/4 19.1 KV 1.47 2.30 2.72 3.09 3.68 4.70 6.25 8.23 9.69 9.86 - - -1 25.4 3/4 19.1XT 0.179 0.136 0.161 0.256 0.424 0.591 0.673 0.693 0.777 0.781 - - -

CV 2.41 3.49 4.23 5.23 6.46 7.59 8.58 9.98 11.4 11.6 0.98

1-1/2(2) 38.1 3/4 19.1 KV 2.08 3.02 3.66 4.52 5.59 6.57 7.42 8.63 9.86 10.0 - - -1-1/2 38.1 3/4 19.1XT 0.177 0.177 0.209 0.252 0.337 0.502 0.729 0.841 0.758 0.766 - - -

CV 0.064 0.109 0.167 0.269 0.423 0.615 0.805 1.06 1.42 1.64 0.78

1/4 6.35 3/4 19.1 KV 0.055 0.094 0.145 0.233 0.366 0.532 0.696 0.917 1.23 1.42 - - -1/4 6.35 3/4 19.1XT 0.793 0.502 0.438 0.306 0.201 0.211 0.263 0.326 0.386 0.503 - - -

CV 0.197 0.274 0.431 0.729 1.00 1.16 1.44 2.04 3.15 3.68 0.76

3/8 9.53 3/4 19.1 KV 0.170 0.237 0.373 0.631 0.865 1.00 1.25 1.76 2.72 3.18 - - -3/8 9.53 3/4 19.1XT 0.447 0.345 0.287 0.205 0.194 0.290 0.357 0.406 0.415 0.509 - - -

CV 0.285 0.477 0.741 1.15 1.62 2.01 2.50 3.55 5.43 6.28 0.75

1/2 12.7 3/4 19.1 KV 0.247 0.413 0.641 0.995 1.40 1.74 2.16 3.07 4.70 5.43 - - -1/2 12.7 3/4 19.1XT 0.260 0.233 0.211 0.197 0.206 0.270 0.362 0.409 0.404 0.497 - - -

2CV 0.609 0.966 1.64 2.35 2.84 3.44 5.03 7.87 10.6 12.3 0.77

3/4 19.1 3/4 19.1 KV 0.527 0.836 1.42 2.03 2.46 2.98 4.35 6.81 9.17 10.6 - - -3/4 19.1 3/4 19.1XT 0.243 0.187 0.160 0.172 0.249 0.377 0.418 0.388 0.446 0.538 - - -

CV 1.28 2.16 3.18 4.40 5.08 6.02 9.02 13.3 16.5 18.8 0.78

1 25.4 3/4 19.1 KV 1.11 1.87 2.75 3.81 4.39 5.21 7.80 11.5 14.3 16.3 - - -1 25.4 3/4 19.1XT 0.171 0.145 0.139 0.163 0.262 0.409 0.406 0.423 0.488 0.573 - - -

CV 2.09 3.18 4.32 5.26 6.28 7.99 11.0 15.8 21.0 24.1 0.88

1-1/2(2) 38.1 3/4 19.1 KV 1.81 2.75 3.74 4.55 5.43 6.91 9.52 13.6 18.2 20.8 - - -1-1/2 38.1 3/4 19.1XT 0.241 0.219 0.202 0.259 0.376 0.496 0.556 0.577 0.663 0.680 - - -

1. At 100% travel.2. Recommended for on-off service because of flow area differential. If throttling applications are required, contact your Fisher Controls sales office or sales representative.

Type 357

Micro-Form Valve PlugFlow Down


0)1 &'''()*+ 234./

Catalog 12

Design 461


56789+# &'':()*+ ;<&..&

Catalog 12Fisher, and Fisher-Rosemount and Micro-form are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

Design 461 - Flow DownPort MaximumValve

Size,

PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total TravelF (1)Size,

Inches Inches mm Inches mmCoeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.597 0.982 1.38 1.87 2.54 3.45 4.91 7.22 9.95 11.7 0.49

1/2(2) 12.7 3/4 19 Kv 0.516 0.849 1.19 1.62 2.20 2.98 4.25 6.25 8.61 10.1 -- -- --1/2 12.7 3/4 19XT 0.301 0.205 0.186 0.198 0.206 0.212 0.196 0.159 0.160 0.187 -- -- --

Cv 0.991 1.55 2.21 3.10 4.17 5.99 9.09 13.3 19.6 25.4 0.41

3/4(2) 19.1 3/4 19 Kv 0.857 1.34 1.91 2.68 3.61 5.18 7.86 11.5 17.0 22.0 -- -- --3/4 19.1 3/4 19XT 0.188 0.147 0.144 0.170 0.178 0.188 0.175 0.174 0.154 0.154 -- -- --

Cv 1.69 2.30 2.94 3.52 4.97 7.58 12.2 18.6 29.8 41.1 0.42

1(2) 25.4 3/4 19 Kv 1.46 1.99 2.54 3.05 4.30 6.56 10.6 16.1 25.8 35.6 -- -- --1 25.4 3/4 19XT 0.176 0.182 0.234 0.348 0.370 0.341 0.280 0.249 0.160 0.156 -- -- --

2 x 3Cv 2.58 3.93 5.69 8.16 11.9 17.8 26.6 39.6 56.2 74.9 0.42

1--1/4(2) 31.8 1--1/8 29 Kv 2.23 3.40 4.92 7.06 10.3 15.4 23.0 34.3 48.6 64.8 -- -- --1--1/4 31.8 1--1/8 29XT 0.154 0.138 0.138 0.137 0.137 0.136 0.137 0.137 0.137 0.137 -- -- --

Cv 5.20 9.00 15.2 24.3 35.2 48.8 64.5 81.2 94.1 100 0.50

1--1/2(3) 38.1 1--1/8 29 Kv 4.50 7.79 13.1 21.0 30.4 42.2 55.8 70.2 81.4 86.5 -- -- --1--1/2 38.1 1--1/8 29XT 0.124 0.156 0.168 0.155 0.153 0.151 0.150 0.158 0.176 0.189 -- -- --

Cv 4.66 10.6 17.4 26.6 41.2 58.3 75.0 89.6 99.4 106 0.57

1--5/8(3) 41.3 1--1/8 29 Kv 4.03 9.17 15.1 23.0 35.6 50.4 64.9 77.5 86.0 91.7 -- -- --1--5/8 41.3 1--1/8 29XT 0.234 0.225 0.220 0.217 0.178 0.158 0.163 0.178 0.209 0.233 -- -- --

Cv 1.58 2.40 3.25 4.02 5.92 9.04 14.2 22.5 35.7 45.2 0.42

1(2) 25.4 3/4 19 Kv 1.37 2.08 2.81 3.48 5.12 7.82 12.3 19.5 30.9 39.1 -- -- --1 25.4 3/4 19XT 0.324 0.315 0.372 0.503 0.434 0.357 0.290 0.218 0.150 0.135 -- -- --

Cv 2.38 3.97 6.03 8.02 9.05 12.7 20.0 36.9 61.9 79.4 0.42

1--1/4(2) 31.8 1--1/8 29 Kv 2.06 3.43 5.22 6.94 7.83 11.0 17.3 31.9 53.5 68.7 -- -- --1--1/4 31.8 1--1/8 29XT 0.274 0.198 0.182 0.213 0.324 0.333 0.291 0.173 0.125 0.124 -- -- --

Cv 6.34 12.3 19.8 28.3 40.0 57.4 73.8 86.2 96.7 104 0.47

1--1/2(3) 38.1 1--1/8 29 Kv 5.48 10.6 17.1 24.5 34.6 49.7 63.8 74.6 83.6 90.0 -- -- --1--1/2 38.1 1--1/8 29XT 0.192 0.155 0.146 0.149 0.140 0.117 0.117 0.129 0.146 0.160 -- -- --

3 x 4Cv 4.59 9.97 18.9 31.4 42.0 57.2 75.6 91.8 105 112 0.55

1--3/4(3) 44.5 1--1/8 29 Kv 3.97 8.62 16.3 27.2 36.3 49.5 65.4 79.4 90.8 96.9 -- -- --1--3/4 44.5 1--1/8 29XT 0.244 0.244 0.193 0.171 0.184 0.179 0.174 0.192 0.218 0.243 -- -- --

Cv 9.72 23.0 37.0 53.1 70.1 85.0 97.4 109 117 123 0.62

2(3) 50.8 1--1/8 29 Kv 8.41 19.9 32.0 45.9 60.6 73.5 84.3 94.3 101 106 -- -- --2 50.8 1--1/8 29XT 0.246 0.150 0.148 0.151 0.160 0.179 0.218 0.259 0.295 0.314 -- -- --

Cv 7.08 16.0 32.9 46.4 59.4 79.2 94.2 106 116 122 0.70

2--1/4(3) 57.2 1--1/8 29 Kv 6.12 13.8 28.5 40.1 51.4 68.5 81.5 91.7 100 106 -- -- --2--1/4 57.2 1--1/8 29XT 0.292 0.247 0.180 0.212 0.251 0.258 0.305 0.353 0.380 0.410 -- -- --

Design 461

Printed in U.S.A. on recycled paper.!Fisher Controls International, Inc., 1981, 1998;All Rights Reserved56789+# &'':

()*+ ;<&./

Catalog 12

Port MaximumValveSize,

PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 7.26 10.5 20.8 28.5 42.2 64.2 97.4 129 159 191 0.44

2(3) 50.8 1--1/8 29 Kv 6.28 9.08 18.0 24.7 36.5 55.5 84.3 112 138 165 -- -- --2 50.8 1--1/8 29XT 0.168 0.343 0.254 0.299 0.284 0.226 0.171 0.159 0.155 0.137 -- -- --

Cv 6.51 10.9 19.3 30.8 45.6 75.5 112 149 189 217 0.49

2--1/4(3) 57.2 1--1/8 29 Kv 5.63 9.43 16.7 26.6 39.4 65.3 96.9 129 163 188 -- -- --2--1/4 57.2 1--1/8 29XT 0.175 0.372 0.438 0.394 0.398 0.253 0.199 0.183 0.172 0.162 -- -- --

Cv 17.1 31.4 45.7 57.2 93.6 131 184 246 286 311 0.44

4 x 6 2--1/2(3) 63.5 1--1/2 38 Kv 14.8 27.2 39.5 49.5 81.0 113 159 213 247 269 -- -- --4 x 6 2--1/2 63.5 1--1/2 38XT 0.168 0.173 0.207 0.280 0.218 0.194 0.164 0.141 0.141 0.139 -- -- --

Cv 21.5 41.2 63.1 74.4 110 163 223 270 304 332 0.49

2--3/4(3) 69.9 1--1/2 38 Kv 18.6 35.6 54.6 64.4 95.2 141 193 234 263 287 -- -- --2--3/4 69.9 1--1/2 38XT 0.153 0.142 0.147 0.224 0.198 0.163 0.131 0.151 0.166 0.168 -- -- --

Cv 14.8 36.4 55.3 87.4 125 204 248 273 305 331 0.56

3(3) 76.2 1--1/2 38 Kv 12.8 31.5 47.8 75.6 108 176 215 236 264 286 -- -- --3 76.2 1--1/2 38XT 0.264 0.210 0.256 0.228 0.227 0.149 0.164 0.201 0.214 0.226 -- -- --

Cv 16.9 34.5 56.5 84.6 120 162 213 273 322 342 0.42

3(3) 76.2 1--1/2 38 Kv 14.6 29.8 48.9 73.2 104 140 184 236 279 296 -- -- --3 76.2 1--1/2 38XT 0.244 0.244 0.241 0.241 0.238 0.235 0.229 0.216 0.199 0.209 -- -- --

Cv 27.5 43.9 55.4 84.8 128 209 329 395 429 475 0.52

3--1/2(3) 88.9 2 51 Kv 23.8 38.0 47.9 73.4 111 181 285 342 371 411 -- -- --3--1/2 88.9 2 51XT 0.179 0.284 0.464 0.448 0.388 0.263 0.168 0.183 0.211 0.202 -- -- --

6 x 8Cv 29.7 61.7 100 151 214 289 372 474 568 605 0.53

4(3) 101.6 2 51 Kv 25.7 53.4 86.5 131 185 250 322 410 491 523 -- -- --4 101.6 2 51XT 0.244 0.244 0.242 0.240 0.236 0.234 0.231 0.220 0.198 0.207 -- -- --

Cv 38.7 79.2 127 193 272 378 498 620 722 764 0.57

4--1/2(3) 114.3 2 51 Kv 33.5 68.5 110 167 235 327 431 536 625 661 -- -- --4--1/2 114.3 2 51XT 0.244 0.243 0.242 0.240 0.237 0.234 0.229 0.215 0.199 0.207 -- -- --

1. At 100% travel.2. Equal percentage characteristic (Micro Form).3. Modified parabolic characteristic.

Equal Percentage

Type 1018SDIN PN 40 and ANSI Class 150 & 300


56789+# &'':()*+ &=&:>..&

Catalog 12Fisher, and Fisher-Rosemount are marks owned by Fisher Controls Inter-national, Inc. or Fisher-Rosemount Systems, Inc. All other marks are theproperty of their respective owners.

Equal Percentage (Flow Up) Equal PercentageCharacteristic

Valve Body Port TotalValve BodySize

PortDiameter

TotalTravel Flow Valve Opening—Percent of Total Travel

(1)

Inches DIN mm Inches mm(Inches)

Kvs/Cv Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.038 0.056 0.082 0.122 0.180 0.266 0.393 0.582 0.560 1.27 0.92

6 1/4 1.1/1.27 Kv 0.033 0.048 0.071 0.106 0.156 0.230 0.340 0.503 0.484 1.10 -- -- --6 1/4 1.1/1.27XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.079 0.116 0.172 0.254 0.376 0.556 0.822 1.22 1.80 2.66 0.91

1/2 15 10 3/8 16(5/8) 2.3/2.66 Kv 0.068 0.100 0.149 0.220 0.325 0.481 0.711 1.06 1.56 2.30 -- -- --1/2 15 10 3/8 16(5/8) 2.3/2.66XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.120 0.177 0.262 0.387 0.572 0.846 1.25 1.85 2.74 4.05 0.90

15 1/2 3.5/4.05 Kv 0.104 0.153 0.227 0.335 0.495 0.732 1.08 1.60 2.37 3.50 -- -- --15 1/2 3.5/4.05XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.009 0.013 0.019 0.028 0.041 0.060 0.089 0.132 0.195 0.289 0.92

6 1/4 0.25/0.289 Kv 0.008 0.011 0.016 0.024 0.035 0.052 0.077 0.114 0.169 0.250 -- -- --6 1/4 0.25/0.289XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.014 0.020 0.030 0.044 0.065 0.097 0.143 0.211 0.313 0.462 0.92

6 1/4 0.4/0.462 Kv 0.012 0.017 0.026 0.038 0.056 0.084 0.124 0.183 0.271 0.400 -- -- --6 1/4 0.4/0.462XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.021 0.030 0.045 0.066 0.098 0.145 0.214 0.317 0.469 0.694 0.92

6 1/4 0.6/0.694 Kv 0.018 0.026 0.039 0.057 0.085 0.125 0.185 0.274 0.406 0.600 -- -- --6 1/4 0.6/0.694XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.031 0.046 0.067 0.099 0.147 0.218 0.322 0.476 0.704 1.04 0.92

6 1/4 0.9/1.04 Kv 0.027 0.040 0.058 0.086 0.127 0.189 0.279 0.412 0.609 0.900 -- -- --6 1/4 0.9/1.04XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.044 0.066 0.097 0.144 0.213 0.314 0.465 0.687 1.02 1.50 0.92

1 25 6 1/4 16(5/8) 1.3/1.50 Kv 0.038 0.057 0.084 0.125 0.184 0.272 0.402 0.594 0.882 1.30 -- -- --1 25 6 1/4 16(5/8) 1.3/1.50XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.092 0.137 0.202 0.298 0.441 0.653 0.965 1.43 2.11 3.12 0.91

10 3/8 2.7/3.12 Kv 0.080 0.119 0.175 0.258 0.381 0.565 0.835 1.24 1.83 2.70 -- -- --10 3/8 2.7/3.12XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.137 0.202 0.299 0.442 0.654 0.967 1.43 2.12 3.13 4.62 0.90

15 1/2 4.0/4.62 Kv 0.119 0.175 0.259 0.382 0.566 0.836 1.24 1.83 2.71 4.00 -- -- --15 1/2 4.0/4.62XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.222 0.329 0.486 0.719 1.06 1.57 2.32 3.44 5.08 7.51 0.89

20 3/4 6.5/7.51 Kv 0.192 0.285 0.420 0.622 0.917 1.36 2.01 2.98 4.39 6.50 -- -- --20 3/4 6.5/7.51XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.342 0.506 0.748 1.11 1.64 2.42 3.58 5.29 7.82 11.6 0.88

25 1 10/11.6 Kv 0.296 0.438 0.647 0.960 1.42 2.09 3.10 4.58 6.76 10.0 -- -- --25 1 10/11.6XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --


PortDiameter


(1)



FL(1)

Cv 0.222 0.329 0.486 0.719 1.06 1.527 2.32 3.44 5.08 7.51 0.89

20 3/4 6.5/7.51 Kv 0.192 0.285 0.420 0.622 0.917 1.32 2.01 2.98 4.39 6.50 -- -- --20 3/4 6.5/7.51XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.376 0.556 0.822 1.22 1.80 2.66 3.93 5.82 8.60 12.7 0.88

25 1 11/12.7 Kv 0.325 0.481 0.711 1.06 1.56 2.30 3.40 5.03 7.44 10.99 -- -- --25 1 11/12.7XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

1--1/2 40 16(5/8)Cv 0.581 0.859 1.27 1.88 2.78 4.11 6.08 8.99 13.3 19.7 0.87

30 1--1/4 17/19.7 Kv 0.503 0.743 1.10 1.63 2.40 3.56 5.26 7.78 11.5 17.0 -- -- --30 1--1/4 17/19.7XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.854 1.26 1.87 2.76 4.09 6.04 8.94 13.2 19.5 28.9 0.86

40 1--1/2 25/28.9 Kv 0.739 1.09 1.62 2.39 3.54 5.22 7.73 11.4 16.9 25.0 -- -- --40 1--1/2 25/28.9XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.222 0.329 0.486 0.719 1.06 1.57 2.32 3.44 5.08 7.51 0.89

20 3/4 6.5/7.51 Kv 0.192 0.285 0.420 0.622 0.917 1.36 2.01 2.98 4.39 6.50 -- -- --20 3/4 6.5/7.51XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.410 0.607 0.897 1.33 1.96 2.90 4.29 6.34 9.38 13.9 0.88

25 1 12/13.9 Kv 0.355 0.525 0.776 1.15 1.70 2.51 3.71 5.48 8.11 12.0 -- -- --25 1 12/13.9XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.615 0.910 1.35 1.99 2.94 4.35 6.44 9.52 14.1 20.8 0.87

2 50 30 1--1/4 16(5/8) 18/20.8 Kv 0.532 0.787 1.17 1.72 2.54 3.76 5.57 8.23 12.2 18.0 -- -- --2 50 30 1--1/4 16(5/8) 18/20.8XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 0.855 1.26 1.87 2.76 4.09 6.04 8.94 13.2 19.5 28.9 0.86

40 1--1/2 25/28.9 Kv 0.740 1.09 1.62 2.39 3.54 5.22 7.73 11.4 16.9 25.0 -- -- --40 1--1/2 25/28.9XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 1.16 1.72 2.54 3.76 5.56 8.22 12.2 18.0 26.6 39.3 0.84

50 2 34/39.3 Kv 1.00 1.49 2.20 3.25 4.81 7.11 10.6 15.6 23.0 34.0 -- -- --50 2 34/39.3XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 1.16 1.72 2.54 3.76 5.56 8.22 12.2 18.0 26.6 39.3 0.86

40 1--1/2 34/39.3 Kv 1.00 1.49 2.20 3.25 4.81 7.11 10.6 15.6 23.0 34.0 -- -- --40 1--1/2 34/39.3XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 1.57 2.33 3.44 5.09 7.52 11.1 16.4 24.3 36.0 53.2 0.84

50 2 46/53.2 Kv 1.36 2.02 2.98 4.40 6.50 9.60 14.2 21.0 31.1 46.0 -- -- --50 2

32

46/53.2XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

3 8032

(1--1/4) Cv 2.39 3.54 5.23 7.74 11.4 16.9 25.0 37.0 54.7 80.9 0.82

65 2--1/2 70/80.9 Kv 2.07 3.06 4.52 6.70 9.86 14.6 21.6 32.0 47.3 70.0 -- -- --65 2--1/2 70/80.9XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 3.08 4.55 6.73 9.95 14.7 21.8 32.2 47.6 70.4 104.0 0.80

80 3 90/104 Kv 2.66 3.94 5.82 8.61 12.7 18.9 27.9 41.2 60.9 90.0 -- -- --80 3 90/104XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

Cv 3.08 4.55 6.73 9.95 14.7 21.8 32.2 47.6 70.4 104 0.80

80 3 90/104 Kv 2.66 3.94 5.82 8.61 12.7 18.9 27.9 41.2 60.9 90.0 -- -- --80 3

32

90/104XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

4 10032

(1--1/4) Cv 4.79 7.08 10.5 15.5 22.9 33.8 50.0 74.0 109 162 0.78

95 3--3/4 140/162 Kv 4.14 6.12 9.08 13.4 19.8 29.2 43.3 64.0 94.3 140 -- -- --95 3--3/4 140/162XT 0.494 0.497 0.500 0.504 0.511 0.521 0.536 0.559 0.591 0.640 -- -- --

1. At 100% travel.


Equal Percentage


56789+# &'':()*+ &=&:>./

Catalog 12

Linear (Flow Up) LinearCharacteristic


PortDiameter


(1)



FL(1)

Cv 0.505 0.924 1.34 1.76 2.18 2.60 3.02 3.44 3.86 4.28 0.900

1/2 15 15 1/2 16(5/8) 3.7/4.28 Kv 0.437 0.799 1.16 1.52 1.89 2.25 2.61 2.98 3.34 3.70 -- -- --1/2 15 15 1/2 16(5/8) 3.7/4.28XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 0.177 0.325 0.472 0.619 0.766 0.914 1.06 1.21 1.36 1.50 0.92

1 25 6 1/4 16(5/8) 1.3/1.50 Kv 0.153 0.281 0.408 0.535 0.663 0.791 0.917 1.05 1.18 1.30 -- -- --1 25 6 1/4 16(5/8) 1.3/1.50XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 0.409 0.749 1.09 1.43 1.77 2.11 2.45 2.79 3.13 3.47 0.91

10 3/8 3.0/3.47 Kv 0.354 0.648 0.943 1.24 1.53 1.83 2.12 2.41 2.71 3.00 -- -- --10 3/8 3.0/3.47XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 0.682 1.25 1.82 2.38 2.95 3.51 4.08 4.65 5.21 5.78 0.90

15 1/2 5.0/5.78 Kv 0.590 1.08 1.57 2.06 2.55 3.04 3.53 4.02 4.51 5.00 -- -- --15 1/2 5.0/5.78XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

1 25 16(5/8)Cv 1.02 1.87 2.72 3.57 4.42 5.27 6.12 6.97 7.82 8.67 0.89

20 3/4 7.5/8.67 Kv 0.882 1.62 2.35 3.09 3.82 4.56 5.29 6.03 6.76 7.50 -- -- --20 3/4 7.5/8.67XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 1.50 2.75 3.99 5.24 6.49 7.73 8.98 10.2 11.5 12.7 0.88

25 1 11/12.7 Kv 1.30 2.38 3.45 4.53 5.61 6.69 7.77 8.82 9.95 11.0 -- -- --25 1 11/12.7XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 4.50 8.24 12.0 15.7 19.5 23.2 26.9 30.7 34.4 38.1 0.86

1--1/2 40 40 1--1/2 16(5/8) 33/38.1 Kv 3.89 7.13 10.4 13.6 16.9 20.1 23.3 26.6 29.8 33.0 -- -- --1--1/2 40 40 1--1/2 16(5/8) 33/38.1XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 4.91 8.99 13.1 17.2 21.2 25.3 29.4 33.5 37.5 41.6 0.86

40 1--1/2 36/41.6 Kv 4.25 7.78 11.3 14.9 18.3 21.9 25.4 29.0 32.4 36.0 -- -- --40 1--1/2 36/41.6XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

2 50 16(5/8)Cv 6.14 11.2 16.3 21.4 26.5 31.6 36.7 41.8 46.9 52.0 0.84

50 2 45/52.0 Kv 5.31 9.69 14.1 18.5 22.9 27.3 31.7 36.2 40.6 45.0 -- -- --50 2 45/52.0XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 15.0 27.5 39.9 52.4 64.9 77.3 89.8 102 115 127 0.80

3 80 80 332

110/127 Kv 13.0 23.8 34.5 45.3 56.1 66.9 77.7 88.2 99.5 110 -- -- --3 80 80 3 (1--1/4) 110/127XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

Cv 21.8 40.0 58.1 76.2 94.3 112.5 131 149 167 185 0.78

4 100 95 3--3/432

160/185 Kv 18.9 34.6 50.3 65.9 81.6 97.3 113 129 144 160 -- -- --4 100 95 3--3/4 (1--1/4) 160/185XT 0.508 0.522 0.537 0.552 0.567 0.581 0.596 0.611 0.625 0.640 -- -- --

1. At 100% travel.


Linear


56789+# &'':()*+ &=&:>.2-&=&:>.;

Catalog 12Fisher and Fisher-Rosemount are marks owned by Fisher Controls Inter-national, Inc. or Fisher-Rosemount Systems, Inc. All other marks are theproperty of their respective owners.

Class 150Reverse Flow

Type 8532


56789+# &'':()*+ :32/.&


Valve Valve Rotation, DegreesCoefficients Size,

Inches 10 20 30 40 50 60 70 80 90

CV 95 316 695 1200 1900 2840 3980 5120 6320

KV 82.2 273 601 1038 1643 2457 3443 4429 5467

FL14

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 129 430 946 1640 2580 3870 5420 6970 8600

KV 112 372 818 1419 2232 3348 4688 6029 7439

FL16

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 166 553 1220 2100 3320 4970 6960 8950 11,050

KV 144 478 1055 1817 2872 4299 6020 7742 9558

FL18

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 208 692 1520 2630 4160 6230 8730 11,220 13,850

KV 180 599 1315 2275 3598 5389 7551 9705 11,980

FL20

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 322 1080 2370 4080 6450 9670 13,540 17,410 21,500

KV 277 934 2050 3529 5579 8365 11,712 15,060 18,598

FL24

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23


Type 8532


56789+# &'':()*+ :32/./

Catalog 12


Inches 10 20 30 40 50 60 70 80 90

CV 136 341 704 1200 1860 2680 3450 4050 4550

KV 118 295 609 1038 1609 2318 2984 3503 3936

FL14

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 169 422 873 1490 2310 3320 4280 5010 5630

KV 146 365 755 1289 1998 2872 3702 4334 4870

FL16

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 247 617 1280 2180 3370 4860 6260 7330 8230

KV 214 534 1107 1886 2915 4204 5415 6340 7119

FL18

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 286 714 1480 2520 3910 5620 7240 8480 9530

KV 247 618 1280 2180 3382 4861 6263 7335 8243

FL20

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 375 938 1940 3320 5130 7380 9510 11,140 12,510

KV 324 811 1678 2872 4437 6384 8226 9636 10,821

FL24

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

Class 150Forward Flow

Type 8560


56789+# &'':()*+ :3<=.&



Inches 10 20 30 40 50 60 70 80 90

CV 2.25 11.4 19.9 32.6 48.1 58.9 64.0 69.8 80.2

KV 1.95 9.86 17.2 28.2 41.6 50.9 55.4 60.4 69.4

FL2(1)

- - - 0.78 0.77 0.76 0.74 0.76 0.77 0.76 0.71

XT 0.295 0.289 0.315 0.314 0.357 0.497 0.540 0.518 0.442

CV 3.21 20.8 40.5 66.7 90.1 115 150 189 237

KV 2.78 18.0 35.0 57.7 77.9 99.5 130 163 205

FL 3 0.78 0.89 0.80 0.75 0.68 0.71 0.65 0.61 0.58

XT

30.855 0.602 0.461 0.404 0.372 0.358 0.306 0.259 0.232

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 18.2 52.6 96.7 154 199 270 351 447 499

KV 15.7 45.5 83.6 133 172 234 304 387 432

FL 4 0.80 0.85 0.79 0.73 0.74 0.69 0.64 0.61 0.53

XT

40.474 0.474 0.500 0.416 0.407 0.326 0.271 0.220 0.196

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 34.7 109 198 321 452 664 882 1180 1250

KV 30.0 94.3 171 278 391 574 763 1020 1080

FL 6 0.85 0.83 0.75 0.71 0.71 0.67 0.65 0.61 0.55

XT

60.389 0.552 0.528 0.438 0.424 0.331 0.278 0.206 0.203

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 60.5 190 345 560 788 1160 1540 2060 2180

KV 52.3 164 298 484 682 1000 1330 1780 1890

FL 8 0.81 0.81 0.79 0.82 0.71 0.66 0.60 0.55 0.48

XT

80.368 0.520 0.498 0.412 0.399 0.310 0.261 0.193 0.191

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 83.3 259 463 727 1090 1670 2400 3340 3600

KV 72.1 224 400 629 943 1440 2080 2890 3110

FL 10 0.81 0.81 0.79 0.82 0.71 0.66 0.60 0.55 0.48

XT

100.626 0.658 0.646 0.622 0.538 0.381 0.285 0.201 0.167

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 125 388 694 1090 1640 2500 3600 5010 5400

KV 108 336 600 943 1420 2160 3110 4330 4670

FL 12 0.83 0.78 0.78 0.78 0.75 0.66 0.61 0.52 0.47

XT

120.528 0.556 0.547 0.528 0.451 0.324 0.241 0.170 0.141

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.701. The 2-inch size is multirated to Classes 150, 300 and 600.


Inches 10 20 30 40 50 60 70 80 90

CV 2.11 9.96 20.7 34.0 50.5 68.4 81.0 81.0 81.0

KV 1.83 8.62 17.9 29.4 43.7 59.2 70.0 70.0 70.0

FL2(1)

- - - 0.88 0.84 0.77 0.71 0.69 0.67 0.71 0.69

XT 0.399 0.507 0.354 0.334 0.340 0.342 0.359 0.401 0.401

CV 1.79 23.0 37.0 58.8 91.9 139 192 270 259

KV 1.55 19.9 32.0 50.9 79.5 120 166 234 224

FL 3 0.70 0.81 0.73 0.76 0.75 0.66 0.60 0.50 0.54

XT

30.449 0.455 0.395 0.417 0.423 0.313 0.256 0.188 0.203

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 17.2 50.2 87.8 146 206 285 365 465 521

KV 14.9 43.4 75.9 126 178 247 316 402 451

FL 4 0.72 0.84 0.79 0.75 0.71 0.63 0.58 0.53 0.55

XT

40.445 0.471 0.481 0.417 0.370 0.276 0.225 0.191 0.196

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 30.6 100 173 285 424 640 893 1180 1290

KV 26.5 86.5 150 247 367 554 772 1020 1120

FL 6 0.83 0.83 0.80 0.78 0.76 0.69 0.59 0.52 0.54

XT

60.444 0.608 0.574 0.485 0.441 0.316 0.227 0.176 0.182

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 53.6 175 303 499 743 1120 1560 2070 2260

KV 46.4 151 262 432 643 969 1350 1790 1950

FL 8 0.79 0.83 0.82 0.79 0.73 0.66 0.58 0.51 0.48

XT

80.413 0.567 0.534 0.449 0.409 0.295 0.213 0.164 0.170

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 84.4 232 423 737 1180 1730 2560 3250 3710

KV 73.0 200 366 638 1020 1500 2210 2810 3210

FL 10 0.79 0.83 0.82 0.79 0.73 0.66 0.58 0.51 0.48

XT

100.542 0.745 0.673 0.590 0.489 0.380 0.245 0.189 0.156

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 126 347 631 1100 1760 2590 3820 4850 5540

KV 109 300 546 95.2 1520 2240 3300 4200 4790

FL 12 0.78 0.87 0.85 0.80 0.75 0.69 0.55 0.51 0.47

XT

120.491 0.671 0.610 0.535 0.443 0.343 0.222 0.171 0.141


Type 8560



56789+# &'':()*+ :3<= . /

Catalog 12


Inches 10 20 30 40 50 60 70 80 90

CV 2.25 11.4 19.9 32.6 48.1 58.9 64.0 69.8 80.2

KV 1.95 9.86 17.2 28.2 41.6 50.9 55.4 60.4 69.4

FL2(1)

- - - 0.78 0.77 0.75 0.74 0.75 0.77 0.75 0.71

XT 0.299 0.292 0.319 0.318 0.362 0.502 0.546 0.525 0.446

CV 3.21 20.8 40.5 66.7 90.1 115 150 189 237

KV 2.78 18.0 35.0 57.7 77.9 99.5 130 163 205

FL 3 0.78 0.88 0.78 0.77 0.79 0.80 0.72 0.69 0.64

XT

30.370 0.542 0.433 0.411 0.464 0.469 0.397 0.346 0.286

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 12.9 37.4 72.9 124 174 236 318 420 488

KV 11.2 32.4 63.1 107 151 204 275 363 422

FL 4 0.81 0.86 0.79 0.73 0.72 0.71 0.65 0.60 0.54

XT

40.455 0.499 0.416 0.395 0.410 0.363 0.292 0.235 0.210

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 39.6 120 215 340 440 598 777 1050 1100

KV 34.3 104 186 294 381 604 672 908 952

FL 6 0.80 0.77 0.71 0.68 0.71 0.68 0.62 0.60 0.56

XT

60.420 0.433 0.434 0.369 0.360 0.299 0.282 0.214 0.205

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 73.9 224 401 634 821 1120 1450 1960 2070

KV 63.9 194 347 548 710 969 1250 1700 1790

FL 8 0.80 0.79 0.77 0.75 0.71 0.66 0.61 0.55 0.49

XT

80.367 0.380 0.381 0.322 0.314 0.260 0.248 0.187 0.177

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 64.6 248 453 706 1070 1630 2340 3280 3480

KV 55.9 215 392 611 926 1410 2020 2840 3010

FL 10 0.80 0.79 0.77 0.75 0.71 0.66 0.61 0.55 0.49

XT

100.464 0.565 0.562 0.544 0.455 0.335 0.255 0.179 0.159

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 95.2 365 668 1040 1580 2410 3450 4840 5130

KV 82.3 316 578 900 1370 2080 2980 4190 4440

FL 12 0.86 0.80 0.78 0.79 0.74 0.67 0.59 0.53 0.48

XT

120.422 0.514 0.506 0.492 0.412 0.301 0.231 0.162 0.144


Type 8560

Class 300Forward Flow


56789+# &'':()*+ :3<= . 2



Inches 10 20 30 40 50 60 70 80 90

CV 2.11 9.96 20.7 34.0 50.5 68.4 81.0 81.0 81.0

KV 1.83 8.62 17.9 29.4 43.7 59.2 70.0 70.0 70.0

FL2(1)

- - - 0.88 0.84 0.77 0.71 0.69 0.67 0.71 0.69

XT 0.399 0.507 0.354 0.334 0.340 0.342 0.359 0.401 0.401

CV 1.79 23.0 37.0 58.8 91.9 139 192 270 259

KV 1.55 19.9 32.0 50.9 79.5 120 166 234 224

FL 3 0.71 0.75 0.77 0.81 0.79 0.71 0.62 0.49 0.59

XT

30.370 0.542 0.433 0.411 0.464 0.469 0.397 0.346 0.286

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 12.7 35.2 61.3 105 163 242 361 463 482

KV 11.0 30.4 53.0 90.8 141 209 312 400 417

FL 4 0.74 0.80 0.82 0.80 0.77 0.69 0.57 0.51 0.55

XT

40.455 0.499 0.416 0.395 0.410 0.363 0.292 0.235 0.210

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 38.8 106 183 294 436 605 779 976 1100

KV 33.6 91.7 158 254 377 523 674 844 952

FL 6 0.78 0.81 0.79 0.80 0.74 0.68 0.59 0.58 0.57

XT

60.420 0.433 0.434 0.369 0.360 0.299 0.282 0.214 0.205

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 73.1 200 345 554 821 1140 1470 1840 2090

KV 63.2 173 298 479 710 986 1270 1590 1810

FL 8 0.80 0.83 0.83 0.80 0.74 0.66 0.58 0.50 0.48

XT

80.405 0.454 0.542 0.451 0.346 0.269 0.239 0.206 0.173

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 66.2 217 399 708 1110 1690 2400 3100 3560

KV 57.3 188 345 612 960 1460 2080 2680 3080

FL 10 0.80 0.83 0.83 0.80 0.74 0.66 0.58 0.50 0.48

XT

100.505 0.714 0.672 0.557 0.465 0.339 0.243 0.187 0.155

Fd 0.086 0.17 0.26 0.34 0.42 0.49 0.57 0.64 0.70

CV 100 328 603 1070 1680 2550 3620 4690 5380

KV 86.5 284 522 926 1450 2210 3130 4060 4650

FL 12 0.80 0.86 0.87 0.80 0.75 0.66 0.55 0.50 0.48

XT

120.451 0.636 0.595 0.494 0.414 0.303 0.217 0.167 0.138


Type 8560



56789+# &'':()*+ :3<= . ;

Catalog 12

Type 9500Class 125/300

Printed in U.S.A. on recycled paper.!Fisher Controls International, Inc., 1981,1998;All Rights Reserved

56789+# &'':()*+ '3==..&

Catalog 12Fishtail, Fisher, and Fisher-Rosemount are marks owned by Fisher Con-trols International, Inc. or Fisher-Rosemount Systems, Inc. All other marksare the property of their respective owners.

Conventional Disk Approximately EqualPercentage Characteristic

Valve Size, Disk Angle of Opening, DegreesValve Size,Inches Coefficients

0 10 20 30 40 50 60 70 80 90

CV 0 0.2 1.8 5.7 12.7 24.0 40.1 71.4 86.7 91.2

KV 0 0.17 1.56 4.93 11.0 20.8 34.7 61.8 75.0 78.92

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .490 .490 .563 .563 .494 .413 .255 .189 .185

CV 0 0.5 5.1 16.1 35.8 67.6 112 200 243 256

KV 0 0.43 4.41 13.9 31.0 58.5 96.9 173 210 2213

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .490 .490 .563 .563 .494 .413 .255 .189 .185

CV 0 1.0 10.3 32.6 72.5 136 227 405 492 518

KV 0 0.87 8.91 28.2 62.7 118 196 350 426 4484

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .490 .490 .563 .563 .494 .413 .255 .189 .185

CV 0 22.7 55.9 131 244 454 769 1120 1610 1750

KV 0 19.6 48.4 113 211 393 665 969 1390 15106

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .391 .394 .426 .436 .449 .375 .270 .139 .128

CV 0 36.6 90.2 211 394 733 1240 1800 2500 2820

KV 0 31.7 78.0 183 341 634 1070 1560 2160 24408

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .391 .394 .426 .436 .449 .375 .270 .139 .128

CV 0 60.2 148 347 648 1200 2040 2960 4260 4630

KV 0 52.1 128 300 561 1040 1760 2560 3680 400010

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .391 .394 .426 .436 .449 .375 .270 .139 .128

CV 0 91.2 224 526 982 1820 3090 4490 6460 7020

KV 0 78.9 194 455 849 1570 2670 3880 5590 607012

FL 0 .78 .80 .82 .84 .80 .74 .67 .59 .55

XT 0 .391 .394 .426 .436 .449 .375 .270 .139 .128

Class 125/300

Type 9500


56789+# &'':()*+ '3==../

Catalog 12

Fishtail" Disk Approximately EqualPercentage Characteristic

Valve Size, Disk Angle of Opening, DegreesValve Size,Inches Coefficients

0 10 20 30 40 50 60 70 80 90

CV 0 1.81 4.78 8.37 14.3 24.6 39.5 61.7 80 91

KV 0 1.57 4.13 7.24 12.4 21.3 34.2 53.4 69.2 78.72

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .563 .601 .555 .462 .331 .294 .205

CV 0 4.0 10.6 18.7 31.8 54.8 92 138 179 203

KV 0 3.46 9.17 16.2 27.5 47.4 79.6 119 155 1763

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .563 .601 .555 .462 .331 .294 .205

CV 0 7.75 19.4 35 61.2 102 171 275 408 490

KV 0 6.70 16.8 30.3 52.9 88.2 148 238 353 4244

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .563 .601 .555 .462 .331 .294 .205

CV 0 16.8 44.3 78.9 141 232 399 638 994 1220

KV 0 14.5 38.3 68.2 122 201 345 552 860 10606

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .766 .744 .620 .515 .372 .228 .160

CV 0 29.9 78.8 140 252 412 710 1130 1770 2170

KV 0 25.9 68.2 121 218 356 614 977 1530 18808

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .766 .744 .620 .515 .372 .228 .160

CV 0 46 123 222 412 672 1170 1910 3160 4010

KV 0 39.8 106 192 356 581 1010 1650 2730 347010

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .766 .744 .620 .515 .372 .228 .160

CV 0 79 178 322 592 967 1680 2720 4470 5640

KV 0 68.3 154 279 512 836 1450 2350 3870 488012

FL 0 .84 .84 .84 .84 .82 .78 .71 .67 .66

XT 0 .466 .559 .766 .744 .620 .515 .372 .228 .160

Classes 150/150 and 150Reverse Flow

Type A11


56789+# &'':()*+ !&& . &


Class 150/150Valve Valve Opening—Percent of Total Travel

Coefficients Size,Inches 10 20 30 40 50 60 70 80 90

CV 608 2,030 4,460 7,700 12,200 18,200 25,500 32,800 40,500

KV 526 1760 3860 6660 10600 15700 22100 28400 35000

FL30

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.55 0.55 0.51 0.45 0.39 0.30 0.23

Cv 910 3,030 6,670 11,500 18,200 27,300 38,200 49,100 60,600

KV 787 2620 5770 9950 15700 23600 33000 42500 52400

FL36

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.55 0.55 0.51 0.45 0.39 0.30 0.23

Cv 1,200 3,990 8,780 15,200 24,000 35,900 50,300 64,700 79,800

KV 1040 3450 7600 13100 20800 31100 43500 56000 69000

FL42

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.55 0.55 0.51 0.45 0.39 0.30 0.23

Cv 1,590 5,300 11,700 20,100 31,800 47,700 66,800 85,800 106,000

KV 1380 4580 10100 17400 27500 41300 57800 74200 91700

FL48

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.55 0.55 0.51 0.45 0.39 0.30 0.23

Class 150Valve Valve Opening—Percent of Total Travel


Cv 508 1,690 3,730 6,440 10,200 15,200 21,300 27,400 33,900

KV 439 1460 3230 5570 8823 13100 18400 23700 29300

FL30

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.56 0.55 0.51 0.45 0.39 0.30 0.23

Cv 757 2,520 5,550 9,590 15,100 22,700 31,800 40,900 50,500

KV 654 2180 4800 8300 13100 19600 27500 35400 43700

FL36

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.56 0.55 0.51 0.45 0.39 0.30 0.23

Cv 1,090 3,640 8,000 13,800 21,800 32,700 45,800 58,900 72,700

KV 943 3150 6920 11900 18900 28300 39600 50900 62900

FL42

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.56 0.55 0.51 0.45 0.39 0.30 0.23

Cv 1,390 4,630 10,200 17,600 27,800 41,700 58,400 75,000 92,600

KV 1200 4000 8820 15200 24000 36100 50500 64900 80100

FL48

0.77 0.79 0.81 0.81 0.78 0.73 0.68 0.60 0.52

XT 0.50 0.53 0.56 0.55 0.51 0.45 0.39 0.30 0.23



Cv 715 1,790 3,700 6,320 9,780 14,000 18,100 21,200 23,800

KV 618 1550 3200 5470 8460 12100 15700 18300 20600

FL30

0.78 0.81 0.81 0.79 0.75 0.69 0.62 0.56 0.52

XT 0.51 0.55 0.55 0.53 0.47 0.40 0.33 0.26 0.23

Cv 1,100 2,760 5,700 9,750 15,100 21,700 28,000 32,800 36,800

KV 952 2390 4930 8430 13100 18800 24200 28400 31800

FL36

0.78 0.81 0.81 0.79 0.75 0.69 0.62 0.56 0.52

XT 0.51 0.55 0.55 0.53 0.47 0.40 0.33 0.26 0.23

Cv 1,710 4,280 8,840 15,100 23,400 33,700 43,400 50,800 57,100

KV 1480 3700 7650 13100 20200 29200 37500 43900 49400

FL42

0.78 0.81 0.81 0.79 0.75 0.69 0.62 0.56 0.52

XT 0.51 0.55 0.55 0.53 0.47 0.40 0.33 0.26 0.23

Cv 1,870 4,670 9,650 16,500 25,500 36,700 47,300 55,400 62,200

KV 1620 4040 8350 14300 22100 31700 40900 47900 53800

FL48

0.78 0.81 0.81 0.79 0.75 0.69 0.62 0.56 0.52

XT 0.51 0.55 0.55 0.53 0.47 0.40 0.33 0.26 0.23



Cv 5 16 31 51 84 122 151 169 182

KV 4 14 27 44 73 106 131 146 157

FL3

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv) 8 23 43 71 116 169 209 234 252

KV 7 20 37 61 100 146 181 202 218

FL4

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 15 46 87 144 236 344 426 477 513

KV 13 40 75 125 204 298 368 413 444

FL6

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Type A11



56789+# &'':()*+ !&& . /

Catalog 12



Cv 35 104 197 324 532 775 960 1,080 1,160

KV 30 90 170 280 460 670 830 934 1000

FL8

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 62 185 350 577 947 1,380 1,710 1,920 2,060

KV 53 160 303 499 819 1190 1480 1660 1780

FL10

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 85 255 481 793 1,300 1,900 2,350 2,630 2,830

KV 74 221 416 686 1120 1640 2030 2270 2450

FL12

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 104 312 590 971 1,600 2,320 2,880 3,230 3,470

KV 90 270 510 840 1380 2010 2490 2790 3000

FL14

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

CoefficientsValveSize,

Inches10 20 30 40 50 60 70 80 90

Cv 138 413 781 1,290 2,110 3,080 3,810 4,270 4,590

KV 119 357 676 1120 1830 2660 3300 3690 3970

FL16

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 175 524 989 1,630 2,680 3,900 4,830 5,410 5,820

KV 151 453 855 1410 2320 3370 4180 4680 5030

FL18

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 196 588 1,110 1,830 3,010 4,380 5,430 6,080 6,540

KV 170 509 960 1580 2600 3790 4700 5260 5660

FL20

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Cv 349 1,050 1,980 3,260 5,350 7,790 9,650 10,800 11,600

KV 302 908 1710 2820 4630 6740 8350 9340 10000

FL24

0.78 0.81 0.81 0.79 0.73 0.66 0.59 0.55 0.52

XT 0.51 0.55 0.55 0.52 0.45 0.37 0.29 0.25 0.23

Type A11



56789+# &'':()*+ !&& . 2-!&& .. ;


Reverse Flow

Type A31A


56789+# &'':()*+ !2&!.&-!2&!../


The Type A31A has flow coefficients identical to the Type 8532. Refer to the Type 8532 information.


Type A31D


56789+# &'':()*+ !2&?.&


The Type A31D flow coefficients are identical to the Type 8532. For sizes 14- through 24-inch A31D flow coefficients,refer to the Type 8532 information.


Inches 10 20 30 40 50 60 70 80 90

CV 6 14 29 50 77 111 143 167 188

KV 5.19 12.1 25.1 43.3 66.6 96.0 124 144 163

FL3

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 12 30 63 107 165 238 307 359 404

KV 10.4 26.0 54.5 92.6 143 206 266 311 349

FL4

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 32 81 167 285 441 635 818 957 1080

KV 27.7 70.1 144 247 381 549 708 828 934

FL6

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 34 113 248 429 677 1020 1420 1830 2260

KV 29.4 97.7 215 371 586 882 1228 1583 1955

FL8

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 47 159 349 604 953 1430 2000 2580 3180

KV 40.7 138 302 522 824 1237 1730 2232 2751

FL10

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 74 247 543 939 1480 2220 3110 4000 4940

KV 64.0 214 470 812 1280 1920 2690 3460 4273

FL12

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23


Type A31D


56789+# &'':()*+ !2&?./

Catalog 12

The Type A31D flow coefficients are identical to the Type 8532. For sizes 14- through 24-inch A31D flow coefficients,refer to the Type 8532 information.


Inches 10 20 30 40 50 60 70 80 90

CV 6 14 29 50 77 111 143 167 188

KV 5.19 12.1 25.1 43.3 66.6 96.0 124 144 163

FL3

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 12 30 63 107 165 238 307 359 404

KV 10.4 26.0 54.5 92.6 143 206 266 311 349

FL4

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 32 81 167 285 441 635 818 957 1080

KV 27.7 70.1 144 247 381 549 708 828 934

FL6

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 40 100 206 352 545 783 1010 1180 1330

KV 34.6 86.5 178 304 471 677 874 1020 1150

FL8

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 71 178 367 628 971 1400 1800 2110 2370

KV 61.4 154 317 543 840 1211 1557 1825 2050

FL10

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

CV 110 276 570 975 1510 2170 2800 3280 3680

KV 95.2 239 493 843 1306 1877 2422 2837 3183

FL12

- - - .81 .81 .79 .75 .69 .62 .56 .52

XT .51 .55 .55 .47 .40 .33 .26 .26 .23

Forward and Reverse Flow

Type A41


56789+# &'':()*+ !;&.&-!;&../


The Type A41 has flow coefficients identical to the Type 8560. Refer to the Type 8560 information.

Three-way ButterflyValve Sizing


56789+# &'':()*+ @A#++.B)1 CD77+#E%1 .. &

Catalog 12Fisher, Fishtail, and Fisher-Rosemount are marks owned by Fisher Con-trols International, Inc. or Fisher-Rosemount Systems, Inc. All other marksare the property of their respective owners.

A three-way butterfly valve consists of two standard butter-fly valves mounted on a pipe tee. The valves are operatedby a single actuator through a tandem linkage. The linkageis normally arranged so that one of the valves is openingwhile the other is closing. For additional three-way butterflyvalve information, refer to Bulletin 51.4:020.

When sizing a three-way butterfly valve, the relationshipbetween valve disc rotation and flow must be kept in mind.With butterfly valves, this relationship is equal percentageand not linear. Due to this relationship, at mid--travel of thevalve disc, flow capacity is less than one-half total valve ca-pacity. With a three-way butterfly valve, one valve is open-ing while the other valve is closing, and both valves aremidway through total disc rotation of 60 or 90 degreeswhen the actuator is at mid-travel. The combined capacityof the two valves at mid-travel is less than wide-open ca-pacity of one valve.

Figure 1. Three-Way Valve Capacity with SingleActuator—60-Degree Maximum Valve Disc Rotation

A1884-1

If each valve is sized to handle maximum pipe tee flow atfull disc rotation, combined capacity of the two valves atmid-travel will be lower than the flow capacity of the tee. Al-though this reduction is present at all points of travel, it ismost significant at mid-travel. This is illustrated in figures1 and 2 for conventional discs. For Fishtail" discs, one-half of total valve capacity is reached at an even largerangle of disc rotation, and the reduction in combined ca-pacity at mid-travel is greater than it is with conventionaldiscs.

For flow-switching (on/off) applications, this is not serioussince the valves will be at mid-travel only momentarilywhile the valves are being stroked open and closed.

For throttling applications, it is possible that the valves willremain at mid-travel for significant periods of time. In theseapplications, the capacity reduction could cause system

Figure 2. Three-Way Valve Capacity with SingleActuator—90-Degree Maximum Valve Disc Rotation

A1885-1

Three-Way ButterflyValve Sizing

Printed in U.S.A. on recycled paper.!Fisher Controls International, Inc., 1988, 1998;All Rights Reserved56789+# &'':

()*+ @A#++.B)1 CD77+#E%1 . /

Catalog 12

problems such as compressor surging. To avoid theseproblems, size each valve to carry one-half of the maxi-mum pipe tee flow at mid-travel. Then, the combined flowcapacity of the two valves at mid-travel will equal maximumflow.

If it is not desirable to do this, operate each valve with aseparate actuator and valve positioner. Use one direct-act-ing and one reverse-acting positioner and adjust the posi-tioners for split-range operation. With this arrangement, asingle input signal will open one valve while closing the oth-er. Since split-range operation is being used, the position-ers can be adjusted such that the mid-travel position of thedisc is reached before the input signal reaches mid-range.Then at mid-range of the input signal, each valve can be atone-half of total capacity, rather than at one-half of totaldisc rotation. A typical example is shown in figure 3. Al-though figure 3 illustrates the use of piston actuators withType 3570 positioners, a similar arrangement can be madewith any actuator and positioner type. Contact the Fisherrepresentative for sizing assistance if dual actuation withsplit-range positioners is desired.

Figure 3. Three-Way Valve Capacity with DualActuators—60-Degree Maximum Valve Disc Rotation

A26761-1

Cavitrol" IV Trim

Design CAV4


56789+# &'':()*+ F!G;.&-F!G;./

Catalog 12Cavitrol, Fisher, and Fisher-Rosemount are marks owned by Fisher Con-trols International, Inc. or Fisher-Rosemount Systems, Inc. All other marksare the property of their respective owners.

Class 2500 (Flow Down) Pure Linear Characteristic

Port MaximumValve PortDiameter

MaximumTravel

FlowMini- Valve Opening—Percent of Total Travel

F (2)Size,Inches Inches mm Inches mm

Coeffi-cient mum(1)

10 20 30 40 50 60 70 80 90 100FL

(2)

Cv 0.46 0.52 1.49 2.55 3.50 4.53 5.40 6.25 7.00 7.67 8.25 0.992 1-1/2 38.1 1-1/2 38.1

Kv 0.40 0.45 1.29 2.21 3.03 3.92 4.67 5.41 6.06 6.64 7.14 - - -

Cv 0.81 2.15 4.42 6.75 9.04 11.3 13.6 15.8 18.0 20.0 21.9 0.994 2-3/4 69.9 2-1/2 63.5

Kv 0.70 1.86 3.82 5.84 7.82 9.78 11.8 13.7 15.6 17.3 18.9 - - -

Cv 1.30 4.45 10.9 17.4 23.4 29.2 35.0 40.7 46.1 50.9 55.6 0.996 4-3/8 111 4 101

Kv 1.13 3.95 9.43 15.1 20.2 25.3 30.3 35.2 39.9 44.0 48.1 - - -

Class 2500 (Flow Down) Approximately LinearCharacteristic

10 20 30 40 50 60 70 80 90 100 FL(2)

Cv 0.46 0.31 1.11 2.12 3.44 5.02 6.55 7.99 9.35 10.6 11.3 0.992 1-1/2 38.1 1-1/2 38.1

Kv 0.40 0.27 0.96 1.83 2.98 4.34 5.67 6.91 8.09 9.17 9.78 - - -

Cv 0.81 2.33 4.89 7.49 10.6 14.6 19.6 25.5 31.3 35.8 38.2 0.994 2-3/4 69.9 2-1/2 63.5

Kv 0.07 2.02 4.23 6.48 9.17 12.6 17.0 22.1 27.1 31.0 33.0 - - -

Cv 1.30 3.90 10.1 16.9 24.1 33.4 45.2 58.4 71.0 82.1 89.1 0.996 4-3/8 111 4 101

Kv 1.13 3.37 8.74 14.6 20.8 28.9 39.1 50.5 61.4 71.0 77.1 - - -1. The ability of Cavitrol IV trim to prevent cavitation noise and damage is diminished when throttling for long times at Cvs less than these minimums.2. At 100% travel.


56789+# &'':()*+ F(.&


Linear - Flow Up LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 1.27 2.10 3.04 4.01 4.99 6.07 7.39 9.04 10.8 11.9 0.96

Kv 1.09 1.82 2.63 3.47 4.32 5.25 6.39 7.82 9.34 10.3 - - -3/4 19.1 3/4 19

XT 0.525 0.600 0.609 0.615 0.610 0.620 0.634 0.660 0.707 0.780 - - -

Fd 0.14 0.19 0.23 0.27 0.31 0.35 0.40 0.46 0.54 0.62 - - -

Cv 0.136 0.370 0.659 0.958 1.27 1.61 2.00 2.46 2.98 3.49 0.96

Kv 0.118 0.320 0.570 0.829 1.09 1.39 1.73 2.13 2.58 3.02 - - -1 3/8 9.5 3/4 19

XT 0.696 0.654 0.630 0.624 0.621 0.617 0.614 0.609 0.617 0.675 - - -

Fd 0.12 0.17 0.23 0.27 0.32 0.37 0.43 0.49 0.58 0.72 - - -

Cv 0.614 1.21 1.83 2.43 2.98 3.51 4.07 4.66 5.29 5.93 0.97

Kv 0.531 1.05 1.58 2.10 2.58 3.04 3.52 4.03 4.58 5.13 - - -1/2 12.7 3/4 19

XT 0.625 0.634 0.625 0.614 0.617 0.621 0.626 0.629 0.638 0.663 - - -

Fd 0.16 0.23 0.28 0.33 0.37 0.42 0.47 0.52 0.58 0.67 - - -

Cv 2.00 3.58 5.51 7.86 11.5 16.2 20.0 22.2 24.3 25.7 0.93

1-1/8 29.1 3/4 19 Kv 1.73 3.10 4.77 6.80 9.95 14.0 17.3 19.2 21.0 22.2 - - -1-1/8 29.1 3/4 19XT 0.592 0.608 0.609 0.615 0.546 0.492 0.543 0.684 0.789 0.816 - - -

Cv 0.651 1.26 1.86 2.43 2.96 3.50 4.08 4.69 5.33 6.00 0.96

1-1/2 1/2 12.7 3/4 19 Kv 0.563 1.09 1.61 2.10 2.56 3.03 3.53 4.06 4.61 5.19 - - -1-1/2 1/2 12.7 3/4 19XT 0.597 0.597 0.602 0.609 0.620 0.625 0.613 0.613 0.621 0.648 - - -

Cv 1.27 2.10 3.04 4.01 4.99 6.07 7.39 9.04 10.8 11.9 0.96

3/4 19.1 3/4 19 Kv 1.09 1.82 2.63 3.47 4.32 5.25 6.39 7.82 9.34 10.3 - - -3/4 19.1 3/4 19XT 0.525 0.600 0.609 0.615 0.610 0.620 0.634 0.660 0.707 0.780 - - -

Cv 6.69 11.7 16.3 23.2 29.2 33.9 38.0 41.8 45.5 47.7 0.91

Kv 5.79 10.1 14.1 20.1 25.3 29.3 32.9 36.2 39.4 41.3 - - -1-1/2 38.1 3/4 19

XT 0.331 0.419 0.486 0.447 0.482 0.562 0.663 0.730 0.753 0.785 - - -

Fd 0.14 0.21 0.26 0.31 0.36 0.39 0.43 0.47 0.52 0.56 - - -

Cv 1.04 1.92 2.85 3.79 4.75 5.84 7.19 8.87 10.7 12.2 0.92

Kv 0.900 1.66 2.47 3.28 4.11 5.05 6.22 7.67 9.26 10.6 - - -2 3/4 19.1 3/4 19

XT 0.614 0.628 0.599 0.613 0.631 0.635 0.636 0.648 0.688 0.728 - - -

Fd 0.14 0.19 0.23 0.27 0.31 0.35 0.40 0.46 0.54 0.62 - - -

Cv 1.90 3.51 6.09 8.08 11.0 15.4 20.3 23.9 25.7 28.0 0.90

Kv 1.64 3.04 5.27 6.99 9.52 13.3 17.6 20.7 22.2 24.2 - - -1-1/8 29.1 3/4 19

XT 0.612 0.588 0.459 0.553 0.569 0.512 0.492 0.566 0.715 0.716 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

1. At 100% travel.Restricted trim.

Design CP

Linear Valve PlugFlow Up Through the Port



PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 8.37 18.9 30.9 44.0 58.3 73.3 87.0 97.1 102 102 0.89

Kv 7.24 16.3 26.7 38.1 50.4 63.4 75.3 84.0 88.2 88.2 - - -2-1/2 63.5 1-1/2 38

XT 0.615 0.646 0.652 0.613 0.604 0.617 0.665 0.713 0.745 0.792 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -

Cv 1.63 3.19 5.04 7.40 10.4 14.1 17.9 21.5 24.5 27.1 0.93

Kv 1.41 2.76 4.36 6.40 9.00 12.2 15.5 18.6 21.2 23.4 - - -3 1-1/8 29.1 3/4 19

XT 0.651 0.634 0.630 0.627 0.614 0.599 0.626 0.688 0.769 0.774 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 4.98 11.5 18.7 26.2 34.3 43.2 52.4 61.2 68.5 73.9 0.91

Kv 4.31 9.95 16.2 22.7 29.7 37.4 45.3 52.9 59.3 63.9 - - -1-7/8 47.6 1-1/2 38

XT 0.621 0.644 0.660 0.664 0.664 0.664 0.674 0.689 0.713 0.736 - - -

Fd 0.12 0.18 0.24 0.29 0.34 0.40 0.46 0.52 0.58 0.65 - - -

Cv 20.1 38.5 58.9 79.6 100 123 147 168 178 180 0.88

Kv 17.4 33.3 50.9 68.9 86.5 106 127 145 154 156 - - -3-1/4 82.6 2 51

XT 0.598 0.656 0.651 0.654 0.656 0.636 0.636 0.666 0.745 0.775 - - -

Fd 0.13 0.19 0.24 0.29 0.33 0.37 0.42 0.46 0.50 0.59 - - -

Cv 3.10 6.75 10.6 14.7 19.2 24.5 30.6 37.2 43.6 48.0 0.93

Kv 2.68 5.84 9.17 12.7 16.6 21.2 26.5 32.2 37.7 41.5 - - -4 1-1/2 38.1 1-1/8 29

XT 0.633 0.636 0.643 0.641 0.634 0.625 0.630 0.658 0.700 0.729 - - -

Fd 0.11 0.17 0.22 0.26 0.31 0.36 0.42 0.48 0.53 0.57 - - -

Cv 7.89 18.7 30.6 43.0 56.4 70.9 85.9 99.9 112 123 0.91

Kv 6.83 16.2 26.5 37.2 48.8 61.3 74.3 86.4 96.9 106 - - -2-1/2 63.5 1-1/2 38

XT 0.671 0.664 0.651 0.642 0.637 0.648 0.667 0.699 0.728 0.738 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -


Design CP

Linear Valve PlugFlow Up Through the Port


56789+# &'':()*+ F(./

Catalog 12

Linear - Flow Down LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 2.06 3.62 4.98 6.10 7.09 8.15 9.48 11.1 12.7 13.4 0.76

Kv 1.78 3.13 4.31 5.28 6.13 7.05 8.20 9.60 11.0 11.6 - - -1 3/4 19.1 3/4 19

XT 0.206 0.196 0.215 0.245 0.279 0.315 0.353 0.405 0.470 0.544 - - -

Fd 0.14 0.19 0.23 0.27 0.31 0.35 0.40 0.46 0.54 0.62 - - -

Cv 3.09 4.95 6.75 9.27 12.8 17.0 21.1 24.3 26.2 27.4 0.82

1-1/8 29.1 3/4 19 Kv 2.67 4.28 5.84 8.02 11.1 14.7 18.3 21.0 22.7 23.7 - - -1-1/8 29.1 3/4 19XT 0.230 0.301 0.392 0.428 0.418 0.410 0.438 0.512 0.624 0.695 - - -

1-1/2Cv 2.06 3.62 4.98 6.10 7.09 8.15 9.48 11.1 12.7 13.4 0.76

3/4 19.1 3/4 19 Kv 1.78 3.13 4.31 5.28 6.13 7.05 8.20 9.60 11.0 11.6 - - -3/4 19.1 3/4 19XT 0.206 0.196 0.215 0.245 0.279 0.315 0.353 0.405 0.470 0.544 - - -

Cv 5.00 10.3 16.6 22.8 28.3 33.0 37.0 40.6 43.6 46.1 0.84

Kv 4.33 8.91 14.4 19.7 24.5 28.5 32.0 35.1 37.7 39.9 - - -1-1/2 38.1 3/4 19

XT 0.577 0.540 0.453 0.422 0.443 0.499 0.580 0.649 0.700 0.697 - - -

Fd 0.14 0.21 0.26 0.31 0.36 0.39 0.43 0.47 0.52 0.56 - - -2

Cv 2.50 3.90 5.48 8.12 11.6 15.4 19.2 22.8 26.2 28.7 0.82

Kv 2.16 3.37 4.74 7.02 10.0 13.3 16.6 19.7 22.7 24.8 - - -1-1/8 29.1 3/4 19

XT 0.339 0.485 0.580 0.562 0.518 0.512 0.536 0.593 0.647 0.661 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 9.22 22.0 37.3 50.7 61.9 71.9 81.1 89.1 95.3 101 0.89

Kv 7.98 19.0 32.3 43.9 53.5 62.2 70.2 77.1 82.4 87.4 - - -2-1/2 63.5 1-1/2 38

XT 0.484 0.455 0.414 0.416 0.465 0.540 0.625 0.703 0.758 0.795 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -

Cv 1.59 3.10 5.04 7.70 11.1 14.9 18.9 22.4 25.3 27.8 0.84

Kv 1.38 2.68 4.36 6.66 9.60 12.9 16.3 19.4 21.9 24.0 - - -3 1-1/8 29.1 3/4 19

XT 0.569 0.650 0.638 0.594 0.559 0.562 0.592 0.666 0.750 0.767 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 4.85 11.5 19.6 27.7 35.6 43.5 51.4 58.8 64.9 69.3 0.88

Kv 4.20 9.95 17.0 24.0 30.8 37.6 44.5 50.9 56.1 59.9 - - -1-7/8 47.6 1-1/2 38

XT 0.621 0.616 0.603 0.579 0.615 0.674 0.692 0.710 0.767 0.784 - - -

Fd 0.12 0.18 0.24 0.29 0.34 0.40 0.46 0.52 0.58 0.65 - - -

Cv 21.8 46.6 69.5 89.6 107 122 136 147 157 163 0.87

Kv 18.9 40.3 60.1 77.5 92.6 106 118 127 136 141 - - -3-1/4 82.6 2 51

XT 0.452 0.406 0.420 0.454 0.491 0.536 0.589 0.677 0.765 0.798 - - -

Fd 0.13 0.19 0.24 0.29 0.33 0.37 0.42 0.46 0.50 0.59 - - -

Cv 2.99 6.51 10.7 15.5 20.4 25.3 30.2 35.2 40.3 44.9 0.90

Kv 2.59 5.63 9.26 13.4 17.6 21.9 26.1 30.4 34.9 38.8 - - -4 1-1/2 38.1 1-1/8 29

XT 0.648 0.652 0.613 0.572 0.567 0.598 0.666 0.760 0.842 0.844 - - -

Fd 0.11 0.17 0.22 0.26 0.31 0.36 0.42 0.48 0.53 0.57 - - -

Cv 7.62 18.9 31.6 44.3 57.0 69.6 82.1 93.5 103 111 0.87

Kv 6.59 16.3 27.3 38.3 49.3 60.2 71.0 80.9 89.1 96.0 - - -2-1/2 63.5 1-1/2 38

XT 0.659 0.631 0.610 0.605 0.624 0.661 0.699 0.746 0.790 0.830 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -1. At 100% travel.

Restricted trim.

Design CP

Linear Valve PlugFlow Down Through the Port


56789+# &'':()*+ F(.2


Equal Percentage - Flow Up Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.583 0.821 1.18 1.62 2.31 3.61 5.91 8.87 10.8 11.9 0.95

Kv 0.504 0.710 1.02 1.40 2.00 3.12 5.11 7.67 9.34 10.3 - - -3/4 19.1 3/4 19

XT 0.616 0.615 0.569 0.567 0.566 0.535 0.505 0.527 0.664 0.769 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 0.0358 0.0518 0.0787 0.116 0.161 0.216 0.282 0.367 0.489 0.697 0.91

Kv 0.0310 0.0448 0.0681 0.100 0.139 0.187 0.244 0.318 0.423 0.603 - - -3/16 4.8 3/4 19

XT 0.847 0.842 0.812 0.730 0.660 0.620 0.617 0.621 0.587 0.553 - - -

Fd 0.070 0.076 0.11 0.15 0.18 0.22 0.26 0.32 0.37 0.46 - - -

Cv 0.0538 0.0880 0.138 0.202 0.287 0.410 0.600 0.869 1.19 1.54 0.91

Kv 0.0465 0.0761 0.119 0.175 0.228 0.355 0.519 0.752 1.03 1.33 - - -1 1/4 6.4 3/4 19

XT 0.865 0.805 0.731 0.681 0.654 0.646 0.628 0.624 0.638 0.654 - - -

Fd 0.21 0.13 0.16 0.19 0.22 0.27 0.33 0.41 0.55 0.72 - - -

Cv 0.0833 0.154 0.256 0.385 0.556 0.813 1.22 1.82 2.58 3.35 0.98

Kv 0.0721 0.133 0.221 0.333 0.481 0.703 1.06 1.57 2.23 2.90 - - -3/8 9.5 3/4 19

XT 0.981 0.819 0.673 0.635 0.641 0.637 0.607 0.597 0.634 0.682 - - -

Fd 0.11 0.13 0.16 0.18 0.21 0.26 0.31 0.40 0.51 0.69 - - -

Cv 0.212 0.332 0.510 0.757 1.09 1.54 2.19 3.16 4.46 5.60 0.96

Kv 0.183 0.287 0.441 0.655 0.943 1.33 1.89 2.73 3.86 4.84 - - -1/2 12.7 3/4 19

XT 0.722 0.707 0.654 0.631 0.619 0.620 0.615 0.611 0.632 0.713 - - -

Fd 0.10 0.12 0.15 0.17 0.21 0.25 0.31 0.39 0.49 0.61 - - -

Cv 0.606 0.854 1.28 2.05 3.66 6.81 11.6 16.8 21.4 24.2 0.92

Kv 0.524 0.739 1.11 1.77 3.17 5.89 10.0 14.5 18.5 20.9 - - -1-1/8 29.1 3/4 19

XT 0.689 0.646 0.602 0.584 0.551 0.540 0.599 0.713 0.760 0.804 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 0.199 0.321 0.500 0.750 1.08 1.54 2.20 3.26 4.76 5.74 0.95

Kv 0.172 0.278 0.433 0.649 0.934 1.33 1.90 2.82 4.12 4.97 - - -1-1/2 1/2 12.7 3/4 19

XT 0.660 0.677 0.672 0.621 0.591 0.582 0.606 0.595 0.571 0.693 - - -

Fd 0.10 0.12 0.15 0.17 0.21 0.25 0.31 0.39 0.49 0.61 - - -

Cv 0.583 0.821 1.18 1.62 2.31 3.61 5.91 8.87 10.8 11.9 0.95

Kv 0.504 0.710 1.02 1.40 2.00 3.12 5.11 7.67 9.34 10.3 - - -3/4 19.1 3/4 19

XT 0.616 0.615 0.569 0.567 0.566 0.535 0.505 0.527 0.664 0.769 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 1.22 1.85 2.60 4.74 9.78 18.0 26.2 32.0 37.9 41.3 0.88

Kv 1.06 1.60 2.25 4.10 8.46 15.6 22.7 27.7 32.8 35.7 - - -1-1/2 38.1 3/4 19

XT 0.617 0.607 0.599 0.552 0.493 0.467 0.492 0.570 0.666 0.737 - - -

Fd 0.070 0.086 0.10 0.13 0.20 0.26 0.31 0.36 0.42 0.47 - - -

Cv 0.356 0.589 0.918 1.37 2.03 3.09 4.73 6.93 9.26 11.4 0.91

Kv 0.308 0.510 0.794 1.19 1.76 2.67 4.09 5.99 8.01 9.86 - - -2 3/4 19.1 3/4 19

XT 0.672 0.651 0.627 0.617 0.615 0.594 0.578 0.592 0.660 0.729 - - -

Fd 0.086 0.10 0.13 0.16 0.19 0.23 0.30 0.38 0.47 0.52 - - -

Cv 0.555 0.756 1.19 1.97 3.41 6.09 10.7 17.2 22.9 25.6 0.88

Kv 0.480 0.654 1.03 1.70 2.95 5.27 9.26 14.9 19.8 22.1 - - -1-1/8 29.1 3/4 19

XT 0.658 0.622 0.605 0.603 0.611 0.622 0.639 0.640 0.662 0.751 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -1. At 100% travel.

Restricted trim.

Design CP

Equal Percentage Valve PlugFlow Up Through the Port


56789+# &'':()*+ F(.;

Catalog 12



PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 1.96 3.39 5.02 8.33 16.1 32.4 58.2 82.5 92.1 99.7 0.86

Kv 1.70 2.93 4.34 7.21 13.9 28.0 50.3 71.4 79.7 86.2 - - -2-1/2 63.5 1-1/2 38

XT 0.627 0.573 0.643 0.670 0.600 0.510 0.466 0.500 0.623 0.731 - - -

Fd 0.052 0.066 0.086 0.11 0.14 0.22 0.29 0.36 0.44 0.50 - - -

Cv 0.465 0.660 1.08 1.81 3.20 5.96 11.1 18.0 23.0 24.5 0.93

Kv 0.402 0.571 0.934 1.57 2.77 5.16 9.60 15.6 19.9 21.2 - - -3 1-1/8 29.1 3/4 19

XT 0.400 0.762 0.634 0.586 0.630 0.656 0.618 0.599 0.707 0.850 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 1.42 2.16 3.19 5.18 9.41 17.9 32.1 49.4 62.6 68.7 0.93

Kv 1.23 1.87 2.76 4.48 8.14 15.5 27.8 42.7 54.1 59.4 - - -1-7/8 47.6 1-1/2 38

XT 0.693 0.649 0.587 0.559 0.556 0.580 0.614 0.655 0.698 0.791 - - -

Fd 0.061 0.075 0.094 0.11 0.15 0.22 0.31 0.38 0.46 0.53 - - -

Cv 3.92 7.29 11.9 21.7 44.6 85.7 129 151 166 175 0.86

Kv 3.39 6.31 10.3 18.8 38.6 74.1 112 131 144 151 - - -3-1/4 82.6 2 51

XT 0.717 0.545 0.576 0.603 0.537 0.472 0.498 0.615 0.672 0.741 - - -

Fd 0.058 0.076 0.10 0.13 0.20 0.27 0.34 0.41 0.48 0.54 - - -

Cv 0.805 1.41 2.29 3.72 7.10 14.6 26.0 35.0 39.9 45.8 0.91

Kv 0.696 1.22 1.98 3.22 6.14 12.6 22.5 30.3 34.5 39.6 - - -4 1-1/2 38.1 1-1/8 29

XT 0.685 0.608 0.636 0.647 0.553 0.480 0.535 0.719 0.779 0.811 - - -

Fd 0.057 0.073 0.10 0.13 0.16 0.25 0.32 0.40 0.47 0.54 - - -

Cv 1.71 2.88 5.29 7.82 14.4 33.8 61.7 76.6 94.2 109 0.91

Kv 1.48 2.49 4.58 6.76 12.5 29.2 53.4 66.3 81.5 94.3 - - -2-1/2 63.5 1-1/2 38

XT 0.745 0.671 0.593 0.647 0.575 0.462 0.532 0.734 0.800 0.818 - - -

Fd 0.052 0.066 0.086 0.11 0.14 0.22 0.29 0.36 0.44 0.50 - - -1. At 100% travel.

Restricted trim.

Design CP

Equal Percentage Valve PlugFlow Up Through the Port


56789+# &'':()*+ F(.3


Equal Percentage - Flow Down Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.803 1.19 2.01 2.75 3.19 4.12 6.53 10.2 12.2 13.2 0.76

Kv 0.695 1.03 1.74 2.38 2.76 3.56 5.65 8.82 10.6 11.4 - - -1 3/4 19.1 3/4 19

XT 0.332 0.281 0.184 0.190 0.301 0.435 0.434 0.405 0.491 0.549 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 0.785 1.09 1.59 2.47 4.06 7.00 12.0 18.1 21.8 24.2 0.83

Kv 0.679 0.943 1.38 2.14 3.51 6.06 10.4 15.7 18.9 20.9 - - -1-1/8 29.1 3/4 19

XT 0.402 0.382 0.375 0.381 0.415 0.471 0.517 0.546 0.596 0.702 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -1-1/2

Cv 0.803 1.19 2.01 2.75 3.19 4.12 6.53 10.2 12.2 13.2 0.76

Kv 0.695 1.03 1.74 2.38 2.76 3.56 5.65 8.82 10.6 11.4 - - -3/4 19.1 3/4 19

XT 0.332 0.281 0.184 0.190 0.301 0.435 0.434 0.405 0.491 0.549 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 1.53 2.23 3.09 5.23 9.86 17.4 25.6 31.6 35.8 39.6 0.84

Kv 1.32 1.93 2.67 4.52 8.53 15.1 22.1 27.3 31.0 34.3 - - -1-1/2 38.1 3/4 19

XT 0.362 0.396 0.394 0.421 0.453 0.448 0.432 0.473 0.630 0.692 - - -

Fd 0.070 0.086 0.10 0.13 0.20 0.26 0.31 0.36 0.42 0.47 - - -2

Cv 0.619 0.846 1.41 2.34 3.89 6.66 11.3 17.1 21.3 25.3 0.83

Kv 0.535 0.732 1.22 2.02 3.36 5.76 9.77 14.8 18.4 21.9 - - -1-1/8 29.1 3/4 19

XT 0.565 0.509 0.419 0.417 0.470 0.537 0.569 0.594 0.650 0.704 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 2.68 5.93 8.64 12.1 18.7 31.0 49.8 69.7 82.3 92.9 0.90

Kv 2.32 5.13 7.47 10.5 16.2 26.8 43.1 60.3 71.2 80.4 - - -2-1/2 63.5 1-1/2 38

XT 0.372 0.176 0.206 0.283 0.364 0.445 0.536 0.630 0.686 0.760 - - -

Fd 0.052 0.066 0.086 0.11 0.14 0.22 0.29 0.36 0.44 0.50 - - -

Cv 0.519 0.744 1.28 1.94 3.27 6.25 11.3 16.3 20.4 24.7 0.87

Kv 0.449 0.644 1.11 1.68 2.83 5.41 9.77 14.1 17.6 21.4 - - -3 1-1/8 29.1 3/4 19

XT 0.480 0.518 0.433 0.531 0.615 0.609 0.617 0.728 0.766 0.799 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 1.27 2.41 3.60 5.03 8.58 17.1 31.0 44.7 57.4 65.8 0.89

Kv 1.10 2.08 3.11 4.35 7.42 14.8 26.8 38.7 49.7 56.9 - - -1-7/8 47.6 1-1/2 38

XT 0.603 0.455 0.451 0.511 0.550 0.558 0.598 0.693 0.768 0.807 - - -

Fd 0.061 0.075 0.094 0.11 0.15 0.22 0.31 0.38 0.46 0.53 - - -

Cv 6.08 10.8 17.0 27.2 45.0 72.6 106 131 142 155 0.87

Kv 5.26 9.34 14.7 23.5 38.9 62.8 91.7 113 123 134 - - -3-1/4 82.6 2 51

XT 0.276 0.237 0.268 0.352 0.465 0.565 0.636 0.714 0.810 0.817 - - -

Fd 0.058 0.076 0.10 0.13 0.20 0.27 0.34 0.41 0.48 0.54 - - -

Cv 0.837 1.62 2.60 3.80 6.63 13.2 23.4 31.9 38.7 43.8 0.91

Kv 0.724 1.40 2.25 3.29 5.74 11.4 20.2 27.6 33.5 37.9 - - -4 1-1/2 38.1 1-1/8 29

XT 0.625 0.446 0.455 0.559 0.599 0.578 0.614 0.780 0.888 0.876 - - -

Fd 0.057 0.073 0.10 0.13 0.16 0.25 0.32 0.40 0.47 0.54 - - -

Cv 1.76 3.59 6.15 9.14 15.2 29.2 53.9 78.4 90.7 103 0.89

Kv 1.52 3.11 5.32 7.91 13.1 25.3 46.6 67.8 78.5 89.1 - - -2-1/2 63.5 1-1/2 38

XT 0.650 0.403 0.371 0.469 0.557 0.578 0.622 0.745 0.842 0.875 - - -

Fd 0.052 0.066 0.086 0.11 0.14 0.22 0.29 0.36 0.44 0.50 - - -1. At 100% travel.

Restricted trim.

Design CP

Equal Percentage Valve PlugFlow Down Through the Port


56789+# &'':()*+ F(.<

Catalog 12

Micro-Flow Linear - Flow Up LinearCharacteristic


MaximumTravel

Angle Flow Valve Opening—Percent of Total Travel(1)Size,

Inches Inches mm Inches mmof

FlatCoeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.00365 0.00546 0.00845 0.0121 0.0163 0.0205 0.0246 0.0284 0.0326 0.0389 0.97

Kv 0.00316 0.00472 0.00731 0.0105 0.0141 0.0177 0.0213 0.0246 0.0282 0.0337 - - -1#8’ XT 0.998 0.936 0.813 0.759 0.694 0.638 0.596 0.587 0.595 0.582 - - -

Fd 0.050 0.055 0.060 0.066 0.073 0.079 0.086 0.092 0.10 0.11 - - -

Cv 0.0437 0.0512 0.0597 0.0694 0.0806 0.0929 0.105 0.116 0.126 0.139 0.86

Kv 0.0378 0.0443 0.0516 0.0600 0.0697 0.0804 0.0908 0.100 0.109 0.120 - - -1 3/16 4.8 3/4 19 2#15’ XT 0.543 0.536 0.537 0.541 0.538 0.534 0.541 0.556 0.572 0.561 - - -

Fd 0.076 0.084 0.094 0.11 0.12 0.13 0.14 0.15 0.16 0.17 - - -

Cv 0.0356 0.0524 0.0736 0.0984 0.127 0.158 0.191 0.224 0.257 0.294 0.93

Kv 0.0308 0.0453 0.0637 0.0851 0.110 0.137 0.165 0.194 0.222 0.254 - - -4#39’ XT 0.550 0.539 0.570 0.580 0.566 0.553 0.546 0.558 0.572 0.554 - - -

Fd 0.080 0.10 0.13 0.15 0.17 0.19 0.22 0.24 0.26 0.28 - - -1. At 100% travel.

Whisper Trim III - Flow Up LinearCharacteristic


MaximumTravel

Flow Valve Opening—Percent of Total Travel(1)Size,


FL(1)

Cv 1.84 3.53 5.47 8.01 11.6 15.7 19.2 21.3 22.6 23.7 0.88

1-1/2 1-1/8 29.1 3/4 19 Kv 1.59 3.05 4.73 6.93 10.0 13.6 16.6 18.4 19.5 20.5 - - -1-1/2 1-1/8 29.1 3/4 19XT 0.545 0.560 0.576 0.558 0.512 0.508 0.569 0.683 0.767 0.789 - - -

Cv 3.44 7.40 11.4 15.5 20.0 25.2 30.2 33.9 36.1 38.8 0.88

2 1-1/2 38.1 1-1/8 29 Kv 2.98 6.40 9.86 13.4 17.3 21.8 26.1 29.3 31.2 33.6 - - -2 1-1/2 38.1 1-1/8 29XT 0.545 0.529 0.572 0.577 0.587 0.614 0.670 0.741 0.795 0.774 - - -

Cv 8.08 19.6 31.8 42.4 51.4 59.3 66.6 73.4 79.2 82.9 0.88

3 2-1/2 63.5 1-1/2 38 Kv 6.99 17.0 27.5 36.7 44.5 51.3 57.6 63.5 68.5 71.7 - - -3 2-1/2 63.5 1-1/2 38XT 0.601 0.589 0.602 0.651 0.692 0.720 0.728 0.728 0.724 0.732 - - -

Cv 19.9 39.3 56.2 71.0 83.8 95.3 106 116 126 133 0.88

4 3-1/4 82.6 2 51 Kv 17.2 34.0 48.6 61.4 72.5 82.4 91.7 100 109 115 - - -4 3-1/4 82.6 2 51XT 0.587 0.640 0.671 0.675 0.681 0.691 0.706 0.715 0.706 0.718 - - -

1. At 100% travel.

Design CP

Micro-Flow! and Whisper Trim" III Valve Plugs


56789+# &'':()*+ F(.4

Catalog 12Cavitrol, Micro-Flow, Whisper Trim, Fisher, and Fisher-Rosemount aremarks owned by Fisher Controls International, Inc. or Fisher-RosemountSystems, Inc. All other marks are the property of their respective owners.

Whisper Trim III - Flow Up Equal PercentageCharacteristic


MaximumTravel



FL(1)

Cv 0.348 0.588 1.05 1.85 3.40 6.45 11.1 15.4 18.4 20.2 0.90

1-1/2 1-1/8 29.1 3/4 19 Kv 0.301 0.509 0.908 1.60 2.94 5.58 9.60 13.3 15.9 17.5 - - -1-1/2 1-1/8 29.1 3/4 19XT 0.777 0.710 0.573 0.549 0.569 0.584 0.622 0.732 0.775 0.773 - - -

Cv 0.773 1.45 2.31 3.97 7.53 14.3 23.8 31.3 33.4 36.1 0.90

2 1-1/2 38.1 1-1/8 29 Kv 0.669 1.25 2.00 3.43 6.51 12.4 20.6 27.1 28.9 31.2 - - -2 1-1/2 38.1 1-1/8 29XT 0.830 0.620 0.708 0.568 0.492 0.548 0.638 0.672 0.763 0.771 - - -

Cv 1.07 2.45 4.34 7.95 15.7 30.2 49.0 61.3 63.2 73.4 0.90

3 2-1/2 63.5 1-1/2 38 Kv 0.926 2.12 3.75 6.88 13.6 26.1 42.4 53.0 54.7 63.5 - - -3 2-1/2 63.5 1-1/2 38XT 0.732 0.582 0.696 0.525 0.477 0.590 0.658 0.608 0.739 0.693 - - -

Cv 3.92 7.13 12.0 22.4 43.8 72.6 91.5 99.5 113 122 0.90

4 3-1/4 82.6 2 51 Kv 3.39 6.17 10.4 19.4 37.9 62.8 79.1 86.1 97.7 106 - - -4 3-1/4 82.6 2 51XT 0.728 0.591 0.550 0.564 0.566 0.597 0.698 0.761 0.678 0.707 - - -

1. At 100% travel.

Cavitrol III (One-Stage) - Flow Down Quick OpeningCharacteristic


MaximumTravel


Inches Inches mm Inches mmCoeffi-cient Min(1) 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.171 0.171 0.175 0.708 1.96 3.46 4.81 6.08 7.47 8.73 9.91 0.941-1/2 1-1/8 29.1 3/4 19

Kv 0.148 0.148 0.151 0.612 1.70 2.99 4.16 5.26 6.46 7.55 8.57 - - -

Cv 0.430 0.430 0.997 3.12 5.44 7.62 9.72 11.8 13.9 15.7 17.6 0.932 1-1/2 38.1 1-1/8 29

Kv 0.372 0.372 0.862 2.70 4.71 6.59 8.41 10.2 12.0 13.6 15.2 - - -

Cv 0.909 0.909 2.55 9.90 17.8 25.2 32.3 39.3 46.0 51.8 57.2 0.953 2-1/2 63.5 1-1/2 38

Kv 0.786 0.786 2.21 8.56 15.4 21.8 27.9 34.0 39.8 44.8 49.5 - - -

Cv 1.11 1.34 11.6 25.1 37.7 49.4 61.1 72.8 83.3 91.6 99.6 0.944 3-1/4 82.6 2 51

Kv 0.960 1.16 10.0 21.7 32.6 42.7 52.9 63.0 72.1 79.2 86.2 - - -1. Valves should not be required to throttle at less than the specified minimum coefficient for an extended period of time. Erosion damage to the valve seat may result.

Design CP

Whisper Trim" III and Cavitrol" III Valve Plugs


56789+# &'':()*+ F(.:

Catalog 12



MaximumTravel (1)


Inches Inches mm Inches mmTrim(1) Coeffi-

cient 10 20 30 40 50 60 70 80 90 100FL(2)

Cv 0.264 0.516 0.786 1.05 1.31 1.57 1.84 2.12 2.42 2.78 0.88

Full Flow Kv 0.228 0.446 0.680 0.908 1.13 1.36 1.59 1.83 2.09 2.40 - - -Full FlowXT 0.603 0.593 0.590 0.580 0.577 0.579 0.584 0.591 0.591 0.577 - - -

Cv 0.263 0.446 0.622 0.785 0.947 1.12 1.30 1.49 1.69 1.90 0.93

1/2 0.38 9.7 0.500 12.7 70% Flow Kv 0.228 0.386 0.538 0.679 0.819 0.969 1.12 1.29 1.46 1.64 - - -1/2 0.38 9.7 0.500 12.7 70% FlowXT 0.575 0.563 0.560 0.567 0.569 0.569 0.578 0.585 0.581 0.554 - - -

Cv 0.161 0.256 0.357 0.458 0.558 0.658 0.762 0.873 0.991 1.11 0.97

40% Flow Kv 0.139 0.221 0.309 0.396 0.483 0.569 0.659 0.755 0.857 0.960 - - -40% FlowXT 0.596 0.587 0.568 0.558 0.554 0.561 0.576 0.583 0.584 0.585 - - -

Cv 0.803 1.40 2.07 2.75 3.45 4.24 5.11 5.83 6.13 6.33 0.83


Cv 0.669 1.08 1.54 2.02 2.50 2.98 3.47 3.97 4.48 4.95 0.86

3/4 0.56 14.2 0.500 12.7 70% Flow Kv 0.579 0.934 1.33 1.75 2.16 2.58 3.00 3.43 3.88 4.28 - - -3/4 0.56 14.2 0.500 12.7 70% FlowXT 0.475 0.519 0.514 0.503 0.492 0.478 0.471 0.468 0.478 0.485 - - -

Cv 0.384 0.638 0.890 1.13 1.38 1.64 1.90 2.15 2.40 2.70 0.92

40% Flow Kv 0.332 0.552 0.770 0.977 1.19 1.42 1.64 1.86 2.08 2.34 - - -40% FlowXT 0.558 0.543 0.548 0.553 0.536 0.517 0.509 0.513 0.523 0.517 - - -

1. This column lists trim for full flow and two restricted-capacity flows, 70% and 40% of full capacity.2. At 100% travel.



MaximumTravel (1)


Inches Inches mm Inches mmTrim(1) Coeffi-

cient 10 20 30 40 50 60 70 80 90 100FL(2)

Cv 0.153 0.225 0.264 0.316 0.441 0.670 0.973 1.32 1.86 2.41 0.90


Cv 0.122 0.173 0.226 0.273 0.341 0.477 0.718 1.03 1.27 1.58 0.95

1/2 0.38 9.7 0.500 12.7 70% Flow Kv 0.106 0.150 0.195 0.236 0.295 0.413 0.621 0.891 1.10 1.37 - - -1/2 0.38 9.7 0.500 12.7 70% FlowXT 0.640 0.614 0.576 0.561 0.566 0.569 0.572 0.569 0.592 0.592 - - -

Cv 0.0791 0.0956 0.117 0.152 0.211 0.302 0.432 0.598 0.779 0.932 0.97

40% Flow Kv 0.0684 0.0827 0.101 0.131 0.183 0.261 0.374 0.517 0.674 0.806 - - -40% FlowXT 0.753 0.709 0.667 0.639 0.604 0.587 0.582 0.592 0.628 0.628 - - -

Cv 0.355 0.503 0.616 0.748 0.997 1.50 2.43 3.76 5.04 5.92 0.84


Cv 0.216 0.340 0.440 0.536 0.711 1.08 1.74 2.59 3.27 4.25 0.88

3/4 0.56 14.2 0.500 12.7 70% Flow Kv 0.187 0.294 0.381 0.464 0.615 0.934 1.51 2.24 2.83 3.68 - - -3/4 0.56 14.2 0.500 12.7 70% FlowXT 0.591 0.558 0.527 0.522 0.525 0.528 0.529 0.529 0.531 0.503 - - -

Cv 0.178 0.216 0.258 0.326 0.456 0.691 1.06 1.47 1.82 2.31 0.93

40% Flow Kv 0.154 0.187 0.223 0.282 0.394 0.598 0.917 1.27 1.57 2.00 - - -40% FlowXT 0.660 0.632 0.607 0.575 0.554 0.546 0.548 0.564 0.559 0.543 - - -

1. This column lists trim for full flow and two restricted-capacity flows, 70% and 40% of full capacity.2. At 100% travel.

Design CP1/2 and 3/4 Inch

Linear and Equal Percentage Valve Plugs


56789+# &'':()*+ F(.'

Catalog 12ENVIRO-SEAL, Fisher and Fisher-Rosemount are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.


Valve Port PlugMaximum

Flow Valve Opening—Percent of Total TravelSize,

InchesDiameter,

InchesTravel,Inches

MaximumTravel

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 1.05 2.31 3.45 4.32 5.11 6.10 7.45 9.09 10.7 11.7 0.93

(2)Kv 0.908 2.00 2.98 3.74 4.42 5.28 6.44 7.86 9.26 10.1 - - -

3/4 9/16 Short(2)XT 0.51 0.62 0.59 0.63 0.65 0.60 0.55 0.56 0.64 0.72 - - -

Fd 0.14 0.19 0.23 0.27 0.31 0.35 0.40 0.46 0.54 0.62 - - -

Cv 0.193 0.422 0.677 0.944 1.23 1.54 1.89 2.27 2.70 3.21 0.94

Kv 0.167 0.365 0.586 0.817 1.06 1.33 1.63 1.96 2.34 2.78 - - -1 3/8 9/16 Short

XT 0.61 0.64 0.64 0.62 0.61 0.61 0.60 0.60 0.60 0.64 - - -

Fd 0.12 0.17 0.23 0.27 0.32 0.37 0.43 0.49 0.58 0.72 - - -

Cv 0.375 0.786 1.25 1.73 2.23 2.77 3.38 4.03 4.74 5.50 0.97

Kv 0.324 0.680 1.08 1.50 1.93 2.40 2.92 3.49 4.10 4.76 - - -1/2 9/16 Short

XT 0.63 0.63 0.61 0.61 0.62 0.62 0.60 0.61 0.63 0.68 - - -

Fd 0.16 0.23 0.28 0.33 0.37 0.42 0.47 0.52 0.58 0.67 - - -

Cv 3.63 5.16 7.85 12.0 16.5 19.6 21.5 22.9 24.8 26.4 0.94

1-1/8 9/16 Short Kv 3.14 4.46 6.79 10.4 14.3 17.0 18.6 19.8 21.5 22.8 - - -1-1/8 9/16 ShortXT 0.30 0.52 0.48 0.38 0.36 0.44 0.57 0.71 0.75 0.77 - - -

Cv 0.375 0.786 1.25 1.73 2.23 2.77 3.38 4.03 4.74 5.50 0.97

1-1/2 1/2 9/16 Short Kv 0.324 0.680 1.08 1.50 1.93 2.40 2.92 3.49 4.10 4.76 - - -1-1/2 1/2 9/16 ShortXT 0.63 0.63 0.61 0.61 0.62 0.62 0.60 0.61 0.63 0.68 - - -

Cv 1.05 2.31 3.45 4.32 5.11 6.10 7.45 9.09 10.7 11.7 0.93

3/4 9/16 Short Kv 0.908 2.00 2.98 3.74 4.42 5.28 6.44 7.86 9.26 10.1 - - -3/4 9/16 ShortXT 0.51 0.62 0.59 0.63 0.65 0.60 0.55 0.56 0.64 0.72 - - -

Cv 6.69 11.7 16.3 23.2 29.2 33.9 38.0 41.8 45.5 47.7 0.91

(3)Kv 5.79 10.1 14.1 20.1 25.3 29.3 32.9 36.2 39.4 41.3 - - -

1-1/2 3/4 Std(3)XT 0.33 0.41 0.48 0.44 0.48 0.55 0.65 0.72 0.74 0.78 - - -

Fd 0.14 0.21 0.26 0.31 0.36 0.39 0.43 0.47 0.52 0.56 - - -

Cv 1.04 1.92 2.85 3.79 4.75 5.84 7.19 8.87 10.7 12.2 0.92

Kv 0.900 1.66 2.47 3.28 4.11 5.05 6.22 7.67 9.26 10.6 - - -2 3/4 3/4 Std

XT 0.61 0.62 0.59 0.61 0.62 0.63 0.63 0.64 0.68 0.72 - - -

Fd 0.14 0.19 0.23 0.27 0.31 0.35 0.40 0.46 0.54 0.62 - - -

Cv 1.90 3.51 6.09 8.08 11.0 15.4 20.3 23.9 25.7 28.0 0.89

Kv 1.64 3.04 5.27 6.99 9.52 13.3 17.6 20.7 22.2 24.2 - - -1-1/8 3/4 Std

XT 0.60 0.58 0.45 0.55 0.56 0.51 0.49 0.56 0.71 0.71 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 8.37 18.9 30.9 44.0 58.3 73.3 87.0 97.1 102 102 0.88

Kv 7.24 16.3 26.7 38.1 50.4 63.4 75.3 84.0 88.2 88.2 - - -2-1/2 1-1/2 Std

XT 0.61 0.64 0.64 0.61 0.60 0.61 0.66 0.70 0.74 0.78 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -

Cv 1.63 3.19 5.04 7.40 10.4 14.1 17.9 21.5 24.5 27.1 0.93

Kv 1.41 2.76 4.36 6.40 9.00 12.2 15.5 18.6 21.2 23.4 - - -3 1-1/8 3/4 Std

XT 0.64 0.63 0.62 0.62 0.61 0.59 0.62 0.68 0.76 0.76 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 4.98 11.5 18.7 26.2 34.3 43.2 52.4 61.2 68.5 73.9 0.91

Kv 4.31 9.95 16.2 22.7 29.7 37.4 45.3 52.9 59.3 63.9 - - -1-7/8 1-1/2 Std

XT 0.61 0.64 0.65 0.66 0.65 0.66 0.67 0.68 0.70 0.73 - - -

Fd 0.12 0.18 0.24 0.29 0.34 0.40 0.46 0.52 0.58 0.59 - - -

Design CP

ENVIRO-SEAL" Bellows Seal Bonnet


56789+# &'':()*+ F(.&=

Catalog 12



InchesDiameter,

InchesTravel,Inches

MaximumTravel

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 20.0 34.9 50.9 69.9 92.9 119 143 162 174 182 0.84

Kv 17.3 30.2 44.0 60.5 80.4 103 124 140 151 157 - - -3-1/4 1-1/2 Short

XT 0.55 0.69 0.67 0.62 0.58 0.57 0.60 0.64 0.68 0.71 - - -

Fd 0.13 0.19 0.24 0.29 0.33 0.37 0.42 0.46 0.50 0.59 - - -

Cv 3.10 6.75 10.6 14.7 19.2 24.5 30.6 37.2 43.6 48.0 0.93

Kv 2.68 5.84 9.17 12.7 16.6 21.2 26.5 32.2 37.7 41.5 - - -4 1-1/2 1-1/8 Std

XT 0.63 0.63 0.64 0.63 0.63 0.62 0.62 0.65 0.69 0.72 - - -

Fd 0.11 0.17 0.22 0.26 0.31 0.36 0.42 0.48 0.53 0.57 - - -

Cv 7.89 18.7 30.6 43.0 56.4 70.9 85.9 99.9 112 123 0.91

Kv 6.82 16.2 26.5 37.2 48.8 61.3 74.3 86.4 96.9 106 - - -2-1/2 1-1/2 Std

XT 0.66 0.66 0.64 0.63 0.63 0.64 0.66 0.69 0.72 0.73 - - -

Fd 0.11 0.17 023 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -1. At 100% travel.2. Short travel is approximately 75% of the standard valve travel.3. Standard travel is the same as Design CP with standard bonnet.

Restricted trim.

Design CP



56789+# &'':()*+ F(.&&





InchesDiameter,

InchesTravel,Inches

MaximumTravel

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 1.35 3.22 4.99 6.30 7.21 8.02 9.05 10.4 12.0 12.8 0.74

(2)Kv 1.17 2.79 4.32 5.45 6.24 6.94 7.83 9.00 10.4 11.1 - - -

1 3/4 9/16 Short(2)XT 0.28 0.30 0.26 0.27 0.30 0.32 0.34 0.39 0.45 0.53 - - -

Fd 0.14 0.19 0.23 0.27 0.31 0.35 0.40 0.46 0.54 0.62 - - -

Cv 2.55 5.14 7.89 11.0 15.0 18.4 21.8 24.1 25.3 26.6 0.84

1-1/8 9/16 Short Kv 2.21 4.45 6.82 9.52 13.0 15.9 18.9 20.8 21.9 23.0 - - -1-1/8 9/16 ShortXT 0.58 0.51 0.46 0.43 0.39 0.43 0.47 0.55 0.65 0.69 - - -

1-1/2Cv 1.35 3.22 4.99 6.30 7.21 8.02 9.05 10.4 12.0 12.8 0.74

3/4 9/16 Short Kv 1.17 2.79 4.32 5.45 6.24 6.94 7.83 9.00 10.4 11.1 - - -3/4 9/16 ShortXT 0.28 0.30 0.26 0.27 0.30 0.32 0.34 0.39 0.45 0.53 - - -

Cv 5.00 10.3 16.6 22.8 28.3 33.0 37.0 40.6 43.6 46.1 0.84

(3)Kv 4.33 8.91 14.4 19.7 24.5 28.5 32.0 35.1 37.7 39.9 - - -

1-1/2 3/4 Std(3)XT 0.57 0.53 0.45 0.42 0.44 0.49 0.57 0.64 0.69 0.69 - - -

Fd 0.14 0.21 0.26 0.31 0.36 0.39 0.43 0.47 0.52 0.56 - - -2

Cv 2.50 3.90 5.48 8.12 11.6 15.4 19.2 22.8 26.2 28.7 0.82

Kv 2.16 3.37 4.74 7.02 10.0 13.3 16.6 19.7 22.7 24.8 - - -1-1/8 3/4 Std

XT 0.34 0.48 0.57 0.56 0.51 0.51 0.53 0.59 0.64 0.65 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 9.22 22.0 37.3 50.7 61.9 71.9 81.1 89.1 95.3 101 0.88

Kv 7.98 19.0 32.3 43.9 53.5 62.2 70.2 77.1 82.4 87.4 - - -2-1/2 1-1/2 Std

XT 0.48 0.45 0.41 0.41 0.46 0.53 0.62 0.69 0.75 0.79 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -

Cv 1.59 3.10 5.04 7.70 11.1 14.9 18.9 22.4 25.3 27.8 0.84

Kv 1.38 2.68 4.36 6.66 9.60 12.9 16.3 19.4 21.9 24.0 - - -3 1-1/8 3/4 Std

XT 0.56 0.64 0.63 0.59 0.55 0.55 0.58 0.66 0.74 0.76 - - -

Fd 0.12 0.16 0.20 0.25 0.30 0.36 0.41 0.46 0.49 0.55 - - -

Cv 4.85 11.5 19.6 27.7 35.6 43.5 51.4 58.8 64.9 69.3 0.88

Kv 4.20 9.95 17.0 24.0 30.8 37.6 44.5 50.9 56.1 59.9 - - -1-7/8 1-1/2 Std

XT 0.61 0.61 0.60 0.57 0.61 0.67 0.68 0.70 0.76 0.77 - - -

Fd 0.12 0.18 0.24 0.29 0.34 0.40 0.46 0.52 0.58 0.65 - - -

Cv 20.4 40.6 58.2 74.2 90.7 109 127 143 154 159 0.89

Kv 17.6 35.1 50.3 64.2 78.5 94.3 110 124 133 138 - - -3-1/4 1-1/2 Short

XT 0.49 0.45 0.45 0.47 0.52 0.57 0.65 0.71 0.77 0.80 - - -

Fd 0.13 0.19 0.24 0.29 0.33 0.37 0.42 0.46 0.50 0.59 - - -

Cv 2.99 6.51 10.7 15.5 20.4 25.3 30.2 35.2 40.3 44.9 0.90

Kv 2.59 5.63 9.26 13.4 17.6 21.9 26.1 30.4 34.9 38.8 - - -4 1-1/2 1-1/8 Std

XT 0.64 0.64 0.61 0.56 0.56 0.59 0.66 0.75 0.83 0.83 - - -

Fd 0.11 0.17 0.22 0.26 0.31 0.36 0.42 0.48 0.53 0.57 - - -

Cv 7.62 18.9 31.6 44.3 57.0 69.6 82.1 93.5 103 111 0.87

Kv 6.59 16.3 27.3 38.3 49.3 60.2 71.0 80.9 89.1 96.0 - - -2-1/2 1-1/2 Std

XT 0.65 0.62 0.60 0.60 0.62 0.65 0.69 0.74 0.78 0.82 - - -

Fd 0.11 0.17 0.23 0.28 0.32 0.38 0.43 0.48 0.53 0.59 - - -1. At 100% travel.2. Short travel is approximately 75% of the standard valve travel.3. Standard travel is the same as Design CP with standard bonnet.

Restricted trim.

Design CP



56789+# &'':()*+ F(.&/

Catalog 12




InchesDiameter,

InchesTravel,Inches

MaximumTravel

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.290 0.462 0.868 1.40 2.16 3.59 6.28 9.53 10.7 11.6 0.92

(2)Kv 0.251 0.400 0.751 1.21 1.87 3.11 5.43 8.24 9.26 10.0 - - -

3/4 9/16 Short(2)XT 0.61 0.66 0.65 0.63 0.59 0.51 0.46 0.48 0.62 0.74 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 0.115 0.140 0.176 0.253 0.410 0.700 1.17 1.79 2.48 3.10 0.94

Kv 0.099 0.121 0.152 0.219 0.355 0.605 1.01 1.55 2.15 2.68 - - -1 3/8 9/16 Short

XT 0.79 0.81 0.71 0.65 0.64 0.62 0.60 0.61 0.63 0.66 - - -

Fd 0.11 0.13 0.16 0.18 0.21 0.26 0.31 0.40 0.51 0.69 - - -

Cv 0.220 0.283 0.353 0.492 0.771 1.27 2.08 3.18 4.42 5.32 0.95

Kv 0.190 0.245 0.305 0.426 0.667 1.10 1.80 2.75 3.82 4.60 - - -1/2 9/16 Short

XT 0.70 0.74 0.70 0.66 0.63 0.62 0.61 0.60 0.62 0.70 - - -

Fd 0.10 0.12 0.15 0.17 0.21 0.25 0.31 0.39 0.49 0.61 - - -

Cv 0.868 1.74 3.70 7.22 13.0 16.7 20.3 22.7 24.5 28.0 0.88

Kv 0.751 1.51 3.20 6.25 11.2 14.4 17.6 19.6 21.2 24.2 - - -1-1/8 9/16 Short

XT 0.64 0.58 0.47 0.43 0.38 0.49 0.55 0.64 0.78 0.66 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 0.220 0.283 0.353 0.492 0.771 1.27 2.08 3.18 4.42 5.32 0.95

Kv 0.190 0.245 0.305 0.426 0.667 1.10 1.80 2.75 3.82 4.60 - - -1-1/2 1/2 9/16 Short

XT 0.70 0.74 0.70 0.66 0.63 0.62 0.61 0.60 0.62 0.70 - - -

Fd 0.10 0.12 0.15 0.17 0.21 0.25 0.31 0.39 0.49 0.61 - - -

Cv 0.290 0.462 0.868 1.40 2.16 3.59 6.28 9.53 10.7 11.6 0.92

Kv 0.251 0.400 0.751 1.21 1.87 3.11 5.43 8.24 9.26 10.0 - - -3/4 9/16 Short

XT 0.61 0.66 0.65 0.63 0.59 0.51 0.46 0.48 0.62 0.74 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 1.22 1.85 2.60 4.74 9.78 18.0 26.2 32.0 37.9 41.3 0.88

(3)Kv 1.06 1.60 2.25 4.10 8.46 15.6 22.7 27.7 32.8 35.7 - - -

1-1/2 3/4 Std(3)XT 0.61 0.60 0.59 0.55 0.49 0.46 0.49 0.56 0.66 0.73 - - -

Fd 0.070 0.086 0.10 0.13 0.20 0.26 0.31 0.36 0.42 0.47 - - -

Cv 0.356 0.589 0.918 1.37 2.03 3.09 4.73 6.93 9.26 11.4 0.92

Kv 0.308 0.509 0.794 1.19 1.76 2.67 4.09 5.99 8.01 9.86 - - -2 3/4 3/4 Std

XT 0.66 0.64 0.62 0.61 0.61 0.59 0.57 0.58 0.65 0.72 - - -

Fd 0.086 0.10 0.13 0.16 0.19 0.23 0.30 0.38 0.47 0.52 - - -

Cv 0.555 0.756 1.19 1.97 3.41 6.09 10.7 17.2 22.9 25.6 0.88

Kv 0.480 0.654 1.03 1.70 2.95 5.27 9.26 14.9 19.8 22.1 - - -1-1/8 3/4 Std

XT 0.65 0.61 0.60 0.60 0.60 0.61 0.63 0.63 0.65 0.74 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Design CP



56789+# &'':()*+ F(.&2




InchesDiameter,

InchesTravel,Inches

MaximumTravel

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 1.96 3.39 5.02 8.33 16.1 32.4 58.2 82.5 92.1 99.7 0.87

Kv 1.70 2.93 4.34 7.21 13.9 28.0 50.3 71.4 79.7 86.2 - - -2-1/2 1-1/2 Std

XT 0.62 0.57 0.63 0.66 0.59 0.50 0.46 0.49 0.62 0.72 - - -

Fd 0.052 0.066 0.086 0.11 0.14 0.22 0.29 0.36 0.44 0.50 - - -

Cv 0.465 0.660 1.08 1.81 3.20 5.96 11.1 18.0 23.0 24.5 0.93

Kv 0.402 0.571 0.934 1.57 2.77 5.16 9.60 15.6 19.9 21.2 - - -3 1-1/8 3/4 Std

XT 0.40 0.75 0.63 0.58 0.62 0.65 0.61 0.59 0.70 0.84 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 1.42 2.16 3.19 5.18 9.41 17.9 32.1 49.4 62.6 68.7 0.93

Kv 1.23 1.87 2.76 4.48 8.14 15.5 27.8 42.7 54.1 59.4 - - -1-7/8 1-1/2 Std

XT 0.68 0.64 0.58 0.55 0.55 0.57 0.61 0.65 0.69 0.78 - - -

Fd 0.061 0.075 0.094 0.11 0.15 0.22 0.31 0.38 0.46 0.53 - - -

Cv 6.52 12.5 20.9 38.3 67.6 98.4 121 145 164 173 0.85

Kv 5.64 10.8 18.1 33.1 58.5 85.1 105 125 142 150 - - -3-1/4 1-1/2 Short

XT 0.61 0.61 0.62 0.54 0.48 0.51 0.59 0.60 0.65 0.70 - - -

Fd 0.058 0.076 0.10 0.13 0.20 0.27 0.34 0.41 0.48 0.54 - - -

Cv 0.805 1.41 2.29 3.72 7.10 14.6 26.0 35.0 39.9 45.8 0.91

Kv 0.696 1.22 1.98 3.22 6.14 12.6 22.5 30.3 34.5 39.6 - - -4 1-1/2 1-1/8 Std

XT 0.68 0.60 0.63 0.64 0.55 0.47 0.53 0.71 0.77 0.80 - - -

Fd 0.057 0.073 0.10 0.13 0.16 0.25 0.32 0.40 0.47 0.54 - - -

Cv 1.71 2.88 5.29 7.82 14.4 33.8 61.7 76.6 94.2 109 0.91

Kv 1.48 2.49 4.58 6.76 12.5 29.2 53.4 66.3 81.5 94.3 - - -2-1/2 1-1/2 Std

XT 0.74 0.66 0.59 0.64 0.57 0.46 0.53 0.73 0.79 0.81 - - -


Restricted trim.

Design CP



56789+# &'':()*+ F(.&;

Catalog 12




InchesDiameter,

InchesTravel,Inches

MaximumTravel

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.282 0.556 1.19 1.87 2.51 3.71 6.20 9.67 11.4 12.7 0.74

(2)Kv 0.244 0.481 1.03 1.62 2.17 3.21 5.36 8.36 9.86 11.0 - - -

1 3/4 9/16 Short(2)XT 0.61 0.43 0.32 0.33 0.42 0.48 0.46 0.41 0.44 0.55 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 1.04 2.03 3.70 6.80 11.7 16.4 19.8 21.9 24.4 25.7 0.85

Kv 0.900 1.76 3.20 5.88 10.1 14.2 17.1 18.9 21.1 22.2 - - -1-1/8 9/16 Short

XT 0.46 0.46 0.47 0.45 0.42 0.44 0.48 0.57 0.68 0.71 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -1-1/2

Cv 0.282 0.556 1.19 1.87 2.51 3.71 6.20 9.67 11.4 12.7 0.74

Kv 0.244 0.481 1.03 1.62 2.17 3.21 5.36 8.36 9.86 10.99 - - -3/4 9/16 Short

XT 0.61 0.43 0.32 0.33 0.42 0.48 0.46 0.41 0.44 0.55 - - -

Fd 0.085 0.11 0.13 0.16 0.19 0.25 0.34 0.43 0.53 0.61 - - -

Cv 1.53 2.23 3.09 5.23 9.86 17.4 25.6 31.6 35.8 39.6 0.84

(3)Kv 1.32 1.93 2.67 4.52 8.53 15.1 22.1 27.3 31.0 34.3 - - -

1-1/2 3/4 Std(3)XT 0.36 0.39 0.39 0.42 0.42 0.44 0.43 0.47 0.62 0.68 - - -

Fd 0.070 0.086 0.10 0.13 0.20 0.26 0.31 0.36 0.42 0.47 - - -2

Cv 0.619 0.846 1.41 2.34 3.89 6.66 11.3 17.1 21.3 25.3 0.83

Kv 0.535 0.732 1.22 2.02 3.36 5.76 9.77 14.8 18.4 21.9 - - -1-1/8 3/4 Std

XT 0.56 0.50 0.41 0.41 0.46 0.53 0.56 0.59 0.64 0.70 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 2.68 5.93 8.64 12.1 18.7 31.0 49.8 69.7 82.3 92.9 0.91

Kv 2.32 5.13 7.47 10.5 16.2 26.8 43.1 60.3 71.2 80.4 - - -2-1/2 1-1/2 Std

XT 0.37 0.17 0.20 0.28 0.36 0.44 0.53 0.62 0.68 0.75 - - -

Fd 0.052 0.066 0.086 0.11 0.14 0.22 0.29 0.36 0.44 0.50 - - -

Cv 0.519 0.744 1.28 1.94 3.27 6.25 11.3 16.3 20.4 24.7 0.87

Kv 0.449 0.644 1.11 1.68 2.83 5.41 9.77 14.1 17.6 21.4 - - -3 1-1/8 3/4 Std

XT 0.47 0.51 0.43 0.52 0.61 0.60 0.61 0.72 0.76 0.79 - - -

Fd 0.066 0.076 0.092 0.12 0.16 0.22 0.29 0.35 0.42 0.48 - - -

Cv 1.27 2.41 3.60 5.03 8.58 17.1 31.0 44.7 57.4 65.8 0.89

Kv 1.10 2.08 3.11 4.35 7.42 14.8 26.8 38.7 49.7 56.9 - - -1-7/8 1-1/2 Std

XT 0.60 0.45 0.45 0.51 0.54 0.55 0.59 0.69 0.76 0.80 - - -

Fd 0.061 0.075 0.094 0.11 0.15 0.22 0.31 0.38 0.46 0.53 - - -

Cv 10.0 18.0 27.5 41.6 62.0 87.1 111 129 142 152 0.89

Kv 8.65 15.6 23.8 36.0 53.6 75.3 96.0 112 123 131 - - -3-1/4 1-1/2 Short

XT 0.22 0.26 0.33 0.41 0.50 0.57 0.63 0.70 0.78 0.79 - - -

Fd 0.058 0.076 0.10 0.13 0.20 0.27 0.34 0.41 0.48 0.54 - - -

Cv 0.837 1.62 2.60 3.80 6.63 13.2 23.4 31.9 38.7 43.8 0.91

Kv 0.724 1.40 2.25 3.29 5.73 11.4 20.2 27.6 33.5 37.9 - - -4 1-1/2 1-1/8 Std

XT 0.62 0.44 0.45 0.55 0.59 0.57 0.61 0.77 0.88 0.87 - - -

Fd 0.057 0.073 0.10 0.13 0.16 0.25 0.32 0.40 0.47 0.54 - - -

Cv 1.76 3.59 6.15 9.14 15.2 29.2 53.9 78.4 90.7 103 0.89

Kv 1.52 3.11 5.32 7.91 13.1 25.3 46.6 67.8 78.5 89.1 - - -2-1/2 1-1/2 Std

XT 0.64 0.40 0.37 0.46 0.56 0.57 0.61 0.74 0.83 0.86 - - -


Restricted trim.

Design CP



56789+# &'':()*+ F(.&3-F(.&<


Forward Flow

Design CV500


56789+# &'':()*+ FG3==.&


Forward Flow Approximately EqualPercentage Characteristic

Valve Size, Disk Angle of Opening, DegreesCoefficients

Valve Size,Inches 10 20 30 40 50 60 70 80 90

Cv 4.74 14.1 34.6 60.1 84.0 107 133 163 166

KV 4.10 12.2 29.9 52.0 72.7 92.6 115 141 144

FL3

.85 .86 .84 .84 .87 .86 .80 .71 .69

XT .294 .632 .511 .494 .537 .559 .501 .384 .372

Cv 11.1 27.1 61.7 106 149 193 252 324 346

KV 9.60 23.4 53.4 91.7 129 167 218 280 299

FL4

.76 .89 .86 .82 .85 .83 .77 .66 .62

XT .263 .616 .526 .476 .497 .501 .422 .311 .276

Cv 15.7 33.0 83.4 154 229 330 497 718 809

KV 13.6 28.5 72.1 133 198 285 430 621 700

FL6

.93 .82 .81 .81 .77 .74 .70 .61 .57

XT .281 .174 .311 .449 .522 .459 .322 .228 .221

Cv 21.5 82.4 156 259 402 592 832 1120 1440

KV 186 71.3 135 224 348 512 720 969 1250

FL8

.93 .75 .87 .82 .78 .75 .73 .61 .58

XT .126 .432 .624 .620 .529 .429 .342 .273 .221

Cv 29.5 182 275 451 716 973 1280 1870 2360

KV 25.5 157 238 390 619 842 1110 1620 2040

FL10

.93 .68 .91 .88 80 .77 .75 62 .54

XT .537 .302 .566 .497 .351 .316 .292 .207 .152

Cv 60.4 215 443 699 1020 1390 1850 2560 3050

KV 52.2 186 383 605 882 1200 1600 2210 2640

FL12

.81 .78 .77 .72 .78 .73 .68 .63 .51

XT .714 .336 .366 .449 .452 .416 .360 .263 .223

Reverse Flow

Design CV500


56789+# &'':()*+ FG3==./

Catalog 12

Reverse Flow Approximately EqualPercentage Characteristic



Cv 3.25 14.2 34.2 61.8 94.5 129 160 181 181

KV 2.81 12.3 29.6 53.5 81.7 112 138 157 157

FL3

.96 .91 .80 .73 .70 .64 .57 .54 .53

XT .581 .55 .515 .466 .406 .345 .289 .253 .258

Cv 7.20 27.2 64.8 116 172 223 263 290 300

KV 6.23 23.5 56.1 100 149 193 227 251 260

FL4

.98 .93 .84 .72 .67 .65 .63 .62 .61

XT .463 .685 .526 .410 .354 .334 .322 .305 .308

Cv 5.20 33.3 88.5 170 268 372 476 600 808

KV 4.50 28.8 76.6 147 232 322 412 519 699

FL6

.69 .80 .84 .80 .72 .67 .63 .60 .49

XT .668 .620 .544 .459 .403 .366 .339 .294 .198

Cv 8.68 61.1 156 293 463 656 856 1050 1240

KV 7.51 52.9 135 253 400 567 740 908 1070

FL8

.77 .83 .87 .80 .73 .66 .61 .58 .58

XT .898 .731 .585 .483 .413 .354 .314 .284 .260

Cv 37.0 137 288 505 752 1080 1460 1710 2140

KV 32.0 119 249 437 650 934 1260 1480 1850

FL10

.84 .86 .90 .79 .74 .64 .58 .57 .49

XT .248 .462 .483 .366 .308 .250 .207 .203 .166

Cv 39.0 192 411 703 1090 1560 2040 2490 3080

KV 33.7 166 356 608 943 1350 1760 2150 2660

FL12

.71 .81 .80 .74 .69 .63 .59 .54 .50

XT .975 .616 .533 .473 .391 .325 .286 .258 .196

Micro-Form! Valve Plugs

Design D


56789+# &'':()*+ ?.&

Catalog 12Micro-Form, Micro-Flute, Fisher, and Fisher-Rosemount are marks ownedby Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.All other marks are the property of their respective owners.

Micro-Form - Flow Up Equal PercentageCharacteristic

Port TotalValve PortDiameter

TotalTravel



FL(1)

Cv 0.070 0.115 0.164 0.224 0.315 0.450 0.641 0.921 1.28 1.66 .87

Kv 0.061 0.099 0.142 0.194 0.272 0.389 0.554 0.797 1.11 1.44 - - -1/4 6.4 3/4 19

XT 0.783 0.783 0.744 0.691 0.625 0.614 0.608 0.611 0.610 0.611 - - -

Fd 0.12 0.14 0.17 0.20 0.24 0.29 0.35 0.43 0.55 0.68 - - -

Cv 0.155 0.260 0.407 0.596 0.858 1.21 1.65 2.22 3.00 4.03 .84

3/8 9.5 3/4 19 Kv 0.134 0.225 0.352 0.516 0.742 1.05 1.43 1.92 2.60 3.49 - - -3/8 9.5 3/4 19XT 0.625 0.535 0.534 0.539 0.535 0.535 0.538 0.534 0.537 0.536 - - -

1 Cv 0.273 0.436 0.631 0.911 1.30 1.84 2.57 3.65 5.08 6.51 .841Kv 0.236 0.377 0.546 0.788 1.13 1.59 2.22 3.16 4.39 5.63 - - -

1/2 12.7 3/4 19XT 0.673 0.644 0.641 0.590 0.592 0.587 0.586 0.557 0.523 0.549 - - -

Fd 0.11 0.13 0.16 0.19 0.23 0.27 0.33 0.40 0.48 0.56 - - -

Cv 0.483 0.775 1.25 1.97 2.89 4.13 5.87 8.16 10.9 12.3 .92

Kv 0.418 0.670 1.08 1.70 2.50 3.57 5.08 7.06 9.43 10.6 - - -3/4 19.1 3/4 19

XT 0.571 0.599 0.527 0.473 0.492 0.519 0.537 0.505 0.486 0.628 - - -

Fd 0.10 0.39 0.47 0.18 0.22 0.26 0.31 0.37 0.43 0.49 - - -

Cv 0.070 0.115 0.164 0.224 0.315 0.450 0.641 0.921 1.28 1.66 .87

Kv 0.061 0.099 0.142 0.194 0.272 0.389 0.554 0.797 1.11 1.44 - - -1/4 6.4 3/4 19

XT 0.783 0.783 0.744 0.691 0.625 0.614 0.608 0.611 0.610 0.611 - - -

Fd 0.12 0.14 0.17 0.20 0.24 0.29 0.35 0.43 0.55 0.68 - - -

Cv 0.155 0.260 0.407 0.596 0.858 1.21 1.65 2.22 3.00 4.03 .84

Kv 0.134 0.225 0.352 0.516 0.742 1.05 1.43 1.92 2.60 3.49 - - -3/8 9.5 3/4 19

XT 0.625 0.535 0.534 0.539 0.535 0.535 0.538 0.534 0.537 0.536 - - -

Fd 0.11 0.13 0.16 0.19 0.22 0.27 0.33 0.41 0.50 0.61 - - -

Cv 0.348 0.505 0.709 0.998 1.38 1.92 2.69 3.82 5.25 6.82 .81

Kv 0.301 0.437 0.613 0.863 1.19 1.66 2.33 3.30 4.54 5.90 - - -1/2 12.7 3/4 19

XT 0.613 0.627 0.585 0.576 0.565 0.553 0.535 0.509 0.490 0.501 - - -

Fd 0.11 0.13 0.16 0.19 0.23 0.27 0.33 0.40 0.48 0.56 - - -2

Cv 0.613 0.952 1.44 2.06 2.92 4.13 5.87 8.16 11.1 14.1 .81

Kv 0.530 0.823 1.25 1.78 2.53 3.57 5.08 7.06 9.60 12.2 - - -3/4 19.1 3/4 19

XT 0.581 0.616 0.581 0.586 0.581 0.573 0.549 0.541 0.529 0.528 - - -

Fd 0.10 0.39 0.47 0.18 0.22 0.26 0.31 0.37 0.43 0.49 - - -

Cv 1.20 1.68 2.44 3.53 5.05 7.28 10.5 14.0 18.4 23.7 .82

Kv 1.04 1.45 2.11 3.05 4.37 6.30 9.08 12.1 15.9 20.5 - - -1 25.4 3/4 19

XT 0.517 0.569 0.559 0.542 0.544 0.540 0.507 0.508 0.507 0.508 - - -

Fd 0.11 0.12 0.15 0.18 0.21 0.25 0.30 0.35 0.41 0.46 - - -

Cv 1.32 1.76 2.50 3.66 5.42 8.25 12.7 20.6 29.0 34.5 .85

Kv 1.14 1.52 2.16 3.17 4.69 7.14 11.0 17.8 25.1 29.8 - - -1-1/4 31.8 3/4 19

XT 0.521 0.563 0.548 0.534 0.498 0.503 0.553 0.528 0.524 0.579 - - -

Fd 0.087 0.10 0.12 0.15 0.18 0.22 0.28 0.33 0.39 0.44 - - -1. At 100% travel.

Micro-Flute! Valve Plugs

Design D


56789+# &'':()*+ ?./

Catalog 12

Micro-Flute - Flow Up Equal PercentageCharacteristic


TotalTravel



FL(1)

Cv 0.0385 0.0455 0.0560 0.0719 0.0942 0.124 0.162 0.212 0.278 0.354 .871/4 6.4

3/4 19 Kv 0.033 0.039 0.048 0.062 0.081 0.107 0.140 0.183 0.240 0.306 - - -

All Sizes1 Flute 1 Flute 3/4 19

XT 0.778 0.734 0.690 0.653 0.642 0.635 0.637 0.634 0.632 0.656 - - -All Sizes1 and 2 Cv 0.0562 0.0725 0.101 0.146 0.216 0.312 0.433 0.588 0.802 1.07 .90

1/4 6.43/4 19 Kv 0.049 0.063 0.087 0.126 0.187 0.270 0.375 0.509 0.694 0.926 - - -

3 Flutes 3 Flutes 3/4 19XT 0.692 0.648 0.639 0.625 0.600 0.586 0.597 0.613 0.620 0.624 - - -

1. At 100% travel.


56789+# &'':()*+ ?!.&


Flow Down Equal PercentageCharacteristic


TotalTravel



FL(1)

Cv 0.096 0.173 0.294 0.481 0.727 0.995 1.35 1.99 2.73 3.21 0.45

1/4 6.4 3/4 19 Kv 0.0830 0.150 0.254 0.416 0.629 0.861 1.17 1.72 2.36 2.78 - - -1/4 6.4 3/4 19XT 0.578 0.379 0.271 0.201 0.154 0.144 0.148 0.129 0.127 0.153 - - -

Cv 0.189 0.343 0.624 1.05 1.45 1.84 2.47 3.81 5.58 7.06 0.45

3/8 9.5 3/4 19 Kv 0.164 0.297 0.540 0.908 1.25 1.59 2.14 3.30 4.83 6.11 - - -3/8 9.5 3/4 19XT 0.516 0.355 0.220 0.151 0.152 0.180 0.194 0.163 0.163 0.163 - - -

1Cv 0.487 0.952 1.40 2.07 2.90 3.55 4.54 6.16 8.79 11.2 0.50

1/2 12.7 3/4 19 Kv 0.421 0.823 1.21 1.79 2.51 3.07 3.93 5.33 7.60 9.69 - - -1/2 12.7 3/4 19XT 0.226 0.137 0.124 0.111 0.111 0.144 0.174 0.185 0.180 0.186 - - -

Cv 0.840 1.58 2.25 2.86 3.82 5.51 8.69 11.8 14.4 16.8 0.67

3/4 19.1 3/4 19 Kv 0.727 1.37 1.95 2.47 3.30 4.77 7.52 10.2 12.5 14.5 - - -3/4 19.1 3/4 19XT 0.194 0.142 0.168 0.238 0.288 0.292 0.242 0.259 0.318 0.372 - - -

Cv 0.096 0.177 0.353 0.546 0.742 0.995 1.35 1.99 2.73 3.21 0.50

1/4 6.4 3/4 19 Kv 0.083 0.153 0.305 0.472 0.642 0.861 1.17 1.72 2.36 2.78 - - -1/4 6.4 3/4 19XT 0.578 0.362 0.188 0.156 0.148 0.144 0.148 0.138 0.139 0.164 - - -

Cv 0.256 0.445 0.734 1.09 1.45 1.84 2.47 3.81 5.58 7.06 0.45

3/8 9.5 3/4 19 Kv 0.221 0.385 0.635 0.943 1.25 1.59 2.14 3.30 4.83 6.11 - - -3/8 9.5 3/4 19XT 0.394 0.237 0.164 0.140 0.152 0.180 0.194 0.163 0.163 0.163 - - -

Cv 0.641 1.03 1.55 2.20 2.90 3.55 4.63 7.13 9.86 12.1 0.45

1/2 12.7 3/4 19 Kv 0.555 0.891 1.34 1.90 2.51 3.07 4.01 6.17 8.53 10.5 - - -1/2 12.7 3/4 19XT 0.265 0.195 0.162 0.143 0.146 0.168 0.179 0.165 0.165 0.164 - - -

2Cv 1.06 1.70 2.25 2.86 3.82 5.51 8.69 13.1 17.4 21.2 0.55

3/4 19.1 3/4 19 Kv 0.917 1.47 1.95 2.47 3.30 4.77 7.52 11.3 15.1 18.3 - - -3/4 19.1 3/4 19XT 0.209 0.195 0.235 0.295 0.325 0.306 0.245 0.210 0.222 0.235 - - -

Cv 2.04 2.93 3.59 4.32 5.98 8.71 13.0 19.9 26.7 31.8 0.55

1 25.4 3/4 19 Kv 1.76 2.53 3.11 3.74 5.17 7.53 11.2 17.2 23.1 27.5 - - -1 25.4 3/4 19XT 0.171 0.176 0.242 0.342 0.343 0.313 0.274 0.227 0.225 0.255 - - -

Cv 1.72 2.31 3.31 4.71 6.78 10.5 17.6 26.0 35.2 44.9 0.59

1-1/4 31.8 3/4 19 Kv 1.49 2.00 2.86 4.07 5.86 9.08 15.2 22.5 30.4 38.8 - - -1-1/4 31.8 3/4 19XT 0.312 0.311 0.311 0.311 0.310 0.310 0.312 0.311 0.311 0.310 - - -

1. At 100% travel.

Design DA

Equal Percentage Valve PlugFlow Down

Flow Up Equal PercentageCharacteristic


TotalTravel



FL(1)

Cv 0.070 0.115 0.164 0.224 0.315 0.450 0.641 0.921 1.28 1.66 0.87

1/4 6.4 3/4 19 Kv 0.060 0.100 0.142 0.194 0.273 0.389 0.555 0.797 1.11 1.44 - - -1/4 6.4 3/4 19XT 0.783 0.783 0.744 0.695 0.625 0.614 0.609 0.611 0.610 0.611 - - -

Cv 0.155 0.260 0.407 0.596 0.858 1.21 1.65 2.22 3.00 4.03 0.84

3/8 9.5 3/4 19 Kv 0.134 0.225 0.352 0.516 0.742 1.05 1.43 1.92 2.60 3.49 - - -3/8 9.5 3/4 19XT 0.625 0.535 0.534 0.539 0.535 0.535 0.538 0.534 0.537 0.536 - - -

1Cv 0.273 0.436 0.631 0.911 1.30 1.84 2.57 3.65 5.08 6.51 0.84

1/2 12.7 3/4 19 Kv 0.236 0.377 0.546 0.788 1.12 1.59 2.22 3.16 4.39 5.63 - - -1/2 12.7 3/4 19XT 0.673 0.644 0.641 0.590 0.592 0.587 0.586 0.557 0.524 0.549 - - -

Cv 0.483 0.775 1.25 1.97 2.89 4.13 5.87 8.16 10.9 12.3 0.92

3/4 19.1 3/4 19 Kv 0.418 0.670 1.08 1.70 2.50 3.57 5.08 7.06 9.43 10.6 - - -3/4 19.1 3/4 19XT 0.571 0.599 0.527 0.473 0.492 0.519 0.537 0.505 0.486 0.628 - - -

Cv 0.070 0.115 0.164 0.224 0.315 0.450 0.641 0.921 1.28 1.66 0.87

1/4 6.4 3/4 19 Kv 0.061 0.100 0.142 0.194 0.273 0.389 0.555 0.797 1.11 1.44 - - -1/4 6.4 3/4 19XT 0.783 0.783 0.744 0.695 0.625 0.614 0.609 0.611 0.610 0.611 - - -

Cv 0.155 0.260 0.407 0.596 0.858 1.21 1.65 2.22 3.00 4.03 0.84

3/8 9.5 3/4 19 Kv 0.134 0.225 0.352 0.516 0.742 1.05 1.43 1.92 2.60 3.49 - - -3/8 9.5 3/4 19XT 0.625 0.535 0.534 0.539 0.535 0.535 0.538 0.534 0.537 0.536 - - -

Cv 0.348 0.505 0.709 0.989 1.38 1.92 2.69 3.82 5.25 6.82 0.81

1/2 12.7 3/4 19 Kv 0.301 0.437 0.613 0.856 1.19 1.66 2.33 3.30 4.54 5.90 - - -1/2 12.7 3/4 19XT 0.613 0.627 0.585 0.587 0.565 0.553 0.535 0.509 0.490 0.501 - - -

2Cv 0.613 0.952 1.44 2.06 2.92 4.13 5.87 8.16 11.1 14.1 0.81

3/4 19.1 3/4 19 Kv 0.530 0.824 1.25 1.78 2.53 3.57 5.08 7.06 9.60 12.2 - - -3/4 19.1 3/4 19XT 0.582 0.616 0.581 0.586 0.581 0.573 0.549 0.541 0.529 0.528 - - -

Cv 1.20 1.68 2.44 3.53 5.05 7.28 10.5 14.0 18.4 23.7 0.81

1 25.4 3/4 19 Kv 1.04 1.45 2.11 3.05 4.37 6.30 9.08 12.1 15.9 20.5 - - -1 25.4 3/4 19XT 0.516 0.569 0.556 0.542 0.544 0.540 0.507 0.508 0.507 0.508 - - -

Cv 1.32 1.76 2.50 3.66 5.42 8.25 12.7 20.6 29.0 34.5 0.87

1-1/4 31.8 3/4 19 Kv 1.14 1.52 2.16 3.17 4.69 7.14 11.0 17.8 25.1 29.8 - - -1-1/4 31.8 3/4 19XT 0.520 0.563 0.548 0.534 0.498 0.503 0.554 0.528 0.524 0.578 - - -

1. At 100% travel.

Design DA

Equal Percentage Valve PlugFlow Up


56789+# &'':()*+ ?!./

Catalog 12

Micro-Flute - Flow Down Equal PercentageCharacteristic


TotalTravel



FL(1)

6.4 Cv 0.0313 0.0377 0.0470 0.0624 0.0874 0.124 0.175 0.243 0.330 0.407 0.791/4 6.4

1 3/4 19 Kv 0.0271 0.0326 0.0407 0.0540 0.0756 0.107 0.151 0.210 0.286 0.352 - - -1 Flute 1

Flute3/4 19

XT 0.990 0.975 0.867 0.765 0.659 0.569 0.494 0.450 0.450 0.550 - - -1 and 2 6.4 Cv 0.0612 0.0900 0.136 0.210 0.310 0.430 0.573 0.784 1.12 1.42 0.68

1/4 3 3/4 19 Kv 0.0529 0.0779 0.118 0.182 0.268 0.372 0.496 0.678 0.969 1.23 - - -3 Flutes Flute

s XT 0.669 0.520 0.388 0.313 0.295 0.306 0.326 0.326 0.313 0.378 - - -

Micro-Flute - Flow Up Equal PercentageCharacteristic

6.4 Cv 0.0385 0.0455 0.0560 0.0719 0.0942 0.124 0.162 0.212 0.278 0.354 0.871/4 6.4

1 3/4 19 Kv 0.0333 0.0394 0.0484 0.0622 0.0815 0.107 0.140 0.183 0.241 0.306 - - -1 Flute 1

Flute3/4 19

XT 0.778 0.734 0.690 0.653 0.642 0.635 0.637 0.634 0.632 0.656 - - -1 and 2 6.4 Cv 0.0562 0.0725 0.101 0.146 0.216 0.312 0.433 0.588 0.802 1.07 0.90

1/4 3 3/4 19 Kv 0.049 0.0627 0.0874 0.126 0.187 0.270 0.375 0.509 0.694 0.926 - - -3 Flutes Flute

s XT 0.692 0.648 0.639 0.625 0.600 0.586 0.597 0.613 0.620 0.624 - - -1. At 100% travel.

Design DA

Micro-Flute! Valve PlugFlow Down & Flow Up


56789+# &'':()*+ ?!.2-?!.;

Catalog 12Micro-Flute, Fisher, and Fisher-Rosemount are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

With Liner

Design EADQuick Opening Cage


56789+# &'':()*+ H!?.&


With Liner Quick OpeningCharacteristic

Port Maximum Coeffs.ValveSize,

PortDiameter

MaximumTravel(1) Flow

Coeffi-

Coeffs.for 1/4 in. Valve Opening—Percent of Total Travel


Coeffi-cient

(6 mm)Travel(2) 10 20 30 40 50 60 70 80 90 100

FL(3)

Cv 14.2 5.14 9.24 13.1 16.2 18.8 20.9 22.4 23.4 24.0 24.0 0.90

1 5/16 33.3 3/4 19 Kv 12.3 4.45 7.99 11.3 14.0 16.3 18.1 19.4 20.2 20.8 20.8 - - -1 5/16 33.3 3/4 19XT 0.800 0.629 0.703 0.761 0.809 0.775 0.713 0.677 0.652 0.630 0.630 - - -

Cv 29.4 8.77 17.1 26.2 36.1 45.4 53.4 59.3 63.6 67.3 70.7 0.76

1-7/8 47.6 3/4 19 Kv 25.4 7.59 14.8 22.7 31.2 39.3 46.2 51.3 55.0 58.2 61.2 - - -1-7/8 47.6 3/4 19XT 0.573 0.480 0.513 0.568 0.570 0.577 0.589 0.628 0.618 0.656 0.656 - - -

2 Cv 17.3 5.91 10.1 15.1 21.7 29.4 37.3 43.7 48.5 52.4 55.2 0.602

1-5/16 33.3 3/4 19 Kv 15.0 5.11 8.74 13.1 18.8 25.4 32.3 37.8 42.0 45.3 47.7 - - -

XT 0.543 0.404 0.584 0.570 0.522 0.478 0.431 0.396 0.370 0.344 0.326 - - -

Cv 30.6 24.2 47.2 77.8 108 133 148 159 171 181 183 0.76

2-7/8 73.0 1-1/2 38 Kv 26.5 20.9 40.8 67.3 93.4 115 128 138 148 157 158 - - -2-7/8 73.0 1-1/2 38XT 0.540 0.517 0.534 0.504 0.545 0.582 0.636 0.651 0.616 0.575 0.569 - - -

3 Cv 29.8 7.96 15.5 25.7 37.4 49.0 61.2 72.5 83.1 92.8 102 0.60

1-7/8 47.6 3/4 19 Kv 25.8 6.89 13.4 22.2 32.4 42.4 52.9 62.7 71.9 80.3 88.2 - - -

XT 0.576 0.549 0.624 0.603 0.541 0.525 0.482 0.452 0.422 0.391 0.349 - - -

Cv 37.1 22.3 46.3 77.1 117 155 180 197 212 230 235 0.72

3-7/16 87.3 1-1/2 38 Kv 32.1 19.3 40.0 66.7 101 134 156 170 183 199 203 - - -3-7/16 87.3 1-1/2 38XT 0.580 0.616 0.547 0.537 0.531 0.529 0.575 0.629 0.635 0.609 0.620 - - -

4Cv 31.4 14.4 28.3 46.1 66.7 87.5 107 124 138 149 160 0.61

2-5/16 58.7 1-1/8 29 Kv 27.2 12.5 24.5 39.9 57.7 75.7 92.6 107 119 129 138 - - -2-5/16 58.7 1-1/8 29XT 0.548 0.509 0.533 0.505 0.486 0.482 0.465 0.443 0.416 0.387 0.354 - - -

Cv 50.0 39.8 84.0 150 219 279 332 379 420 435 435 0.71

4-3/8 111.1 2 51 Kv 43.3 34.4 72.7 130 189 241 287 328 363 376 376 - - -4-3/8 111.1 2 51XT 0.578 0.597 0.599 0.577 0.581 0.581 0.578 0.565 0.527 0.533 0.533 - - -

6Cv 38.7 23.9 47.1 74.9 109 142 174 201 219 244 248 0.59

2-7/8 73.0 1-1/2 38 Kv 33.5 20.7 40.7 64.8 94.3 123 151 174 189 211 215 - - -2-7/8 73.0 1-1/2 38XT 0.353 0.353 0.353 0.353 0.353 0.356 0.352 0.353 0.352 0.353 0.354 - - -

1. When using Type 655-EAD as a control valve for on-off service, the maximum travel for sizing purposes is 3/4 inch (19 mm).2. When sizing self-operated regulators, use coefficients listed for 1/4 inch (6 mm) travel.3. At 100% travel.

Restricted trim.

Without Liner Quick OpeningCharacteristic


PortDiameter


Coeffi-



Coeffi-cient

(6 mm)Travel(2) 10 20 30 40 50 60 70 80 90 100

FL(3)

Cv 14.8 5.07 9.36 13.6 16.8 19.2 20.9 22.2 23.1 23.6 23.7 0.87

1 5/16 33.3 3/4 19 Kv 12.8 4.39 8.10 11.8 14.5 16.6 18.1 19.2 20.0 20.4 20.5 - - -1 5/16 33.3 3/4 19XT 0.757 0.638 0.753 0.753 0.766 0.736 0.703 0.670 0.650 0.640 0.636 - - -

Cv 28.0 8.06 15.7 24.9 34.3 43.1 51.0 57.1 61.4 64.6 67.2 0.87

1-7/8 47.6 3/4 19 Kv 24.2 6.97 13.6 21.5 29.7 37.3 44.1 49.4 53.1 55.9 58.1 - - -1-7/8 47.6 3/4 19XT 0.629 0.531 0.621 0.623 0.631 0.641 0.638 0.656 0.676 0.686 0.682 - - -

2Cv 17.2 6.02 10.4 15.4 20.9 27.1 33.7 38.5 41.7 44.2 45.6 0.71

1-5/16 33.3 3/4 19 Kv 14.9 5.21 9.00 13.3 18.1 23.4 29.2 33.3 36.1 38.2 39.4 - - -1-5/16 33.3 3/4 19XT 0.573 0.470 0.541 0.570 0.575 0.563 0.526 0.510 0.492 0.476 0.470 - - -

Cv 39.2 23.4 47.9 78.7 108 128 142 153 163 171 171 0.81

2-7/8 73.0 1-1/2 38 Kv 33.9 20.2 41.4 68.1 93.4 111 123 132 141 148 148 - - -2-7/8 73.0 1-1/2 38XT 0.576 0.588 0.573 0.534 0.573 0.635 0.662 0.654 0.626 0.600 0.605 - - -

3Cv 29.1 8.27 15.9 25.6 36.0 46.8 56.4 64.6 72.1 79.3 86.1 0.72

1-7/8 47.6 3/4 19 Kv 25.2 7.15 13.8 22.1 31.1 40.5 48.8 55.9 62.4 68.6 74.5 - - -1-7/8 47.6 3/4 19XT 0.609 0.488 0.603 0.610 0.594 0.575 0.574 0.569 0.561 0.530 0.490 - - -

Cv 39.0 23.9 48.2 80.3 118 151 178 195 209 223 223 0.76

3-7/16 87.3 1-1/2 38 Kv 33.7 20.7 41.7 69.5 102 131 154 169 181 193 193 - - -3-7/16 87.3 1-1/2 38XT 0.562 0.588 0.566 0.554 0.556 0.580 0.610 0.659 0.669 0.644 0.650 - - -

4Cv 30.9 13.6 27.0 43.9 62.5 80.6 96.0 109 120 127 133 0.73

2-5/16 58.7 1-1/8 29 Kv 26.7 11.8 23.4 38.0 54.1 69.7 83.0 94.3 104 110 115 - - -2-5/16 58.7 1-1/8 29XT 0.608 0.593 0.614 0.582 0.578 0.587 0.590 0.576 0.547 0.533 0.513 - - -

Cv 45.8 37.6 79.6 142 207 265 311 351 383 398 398 0.76

4-3/8 111.1 2 51 Kv 39.6 32.5 68.9 123 179 229 269 304 331 344 344 - - -4-3/8 111.1 2 51XT 0.652 0.680 0.652 0.639 0.639 0.655 0.686 0.683 0.666 0.657 0.667 - - -

6Cv 35.4 21.8 43.1 71.5 103 130 154 173 188 198 206 0.74

2-7/8 73.0 1-1/2 38 Kv 30.6 18.9 37.3 61.8 89.1 112 133 150 163 171 178 - - -2-7/8 73.0 1-1/2 38XT 0.671 0.624 0.650 0.652 0.618 0.659 0.659 0.646 0.620 0.595 0.568 - - -

1. When using Type 655-EAD as a control valve for on-off service, the maximum travel for sizing purposes is 3/4 inch (19 mm).2. When sizing self-operated regulators, use coefficients listed for 1/4 inch (6 mm) travel.3. At 100% travel.

Restricted trim.

Note: The coefficients shown on this page are also appropriate for the Designs EAS and EAT.

Design EAD

Without LinerQuick Opening Cage


56789+# &'':()*+ H!?./

Catalog 12

With Liner - Flow Down LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 2.71 5.17 8.14 10.7 13.0 15.2 17.2 19.1 20.7 22.0 0.90

1 1-5/16 33.3 3/4 19 Kv 2.34 4.47 7.04 9.26 11.2 13.1 14.9 16.5 17.9 19.0 - - -1 1-5/16 33.3 3/4 19XT 0.632 0.692 0.719 0.772 0.786 0.777 0.755 0.722 0.682 0.634 - - -

Cv 3.77 6.94 11.3 16.1 21.0 26.7 33.1 40.1 46.8 53.8 0.82

1-7/8 47.6 3/4 19 Kv 3.26 6.00 9.77 13.9 18.2 23.1 28.6 34.7 40.5 46.5 - - -1-7/8 47.6 3/4 19XT 0.665 0.675 0.663 0.642 0.627 0.616 0.617 0.607 0.633 0.661 - - -

2Cv 2.95 5.49 8.65 12.1 15.7 19.3 23.4 29.7 35.7 41.0 0.66

1-5/16 33.3 3/4 19 Kv 2.55 4.75 7.48 10.5 13.6 16.7 20.2 25.7 30.9 35.5 - - -1-5/16 33.3 3/4 19XT 0.474 0.592 0.587 0.581 0.579 0.584 0.564 0.487 0.451 0.426 - - -

Cv 10.3 24.0 38.8 54.3 69.8 86.5 102 124 141 155 0.80

2-7/8 73.0 1-1/2 38 Kv 8.91 20.8 33.6 47.0 60.4 74.8 88.2 107 122 134 - - -2-7/8 73.0 1-1/2 38XT 0.630 0.623 0.618 0.598 0.599 0.591 0.619 0.603 0.614 0.614 - - -

3Cv 3.37 6.45 10.6 15.3 19.8 25.3 32.2 40.1 48.4 58.1 0.74

1-7/8 47.6 3/4 19 Kv 2.92 5.58 9.17 13.2 17.1 21.9 27.9 34.7 41.9 50.3 - - -1-7/8 47.6 3/4 19XT 0.630 0.682 0.693 0.665 0.663 0.637 0.600 0.588 0.569 0.548 - - -

Cv 12.7 31.6 54.1 77.8 103 128 149 171 191 208 0.78

3-7/16 87.3 1-1/2 38 Kv 11.0 27.3 46.8 67.3 89.1 111 129 148 165 180 - - -3-7/16 87.3 1-1/2 38XT 0.677 0.638 0.596 0.590 0.552 0.548 0.573 0.594 0.613 0.627 - - -

4Cv 6.70 15.3 25.2 37.0 50.2 64.5 79.4 94.6 110 124 0.66

2-5/16 58.7 1-1/8 29 Kv 5.80 13.2 21.8 32.0 43.4 55.8 68.7 81.8 95.2 107 - - -2-5/16 58.7 1-1/8 29XT 0.705 0.590 0.596 0.573 0.536 0.509 0.493 0.490 0.471 0.445 - - -

Cv 25.4 53.6 83.0 113 146 179 218 263 309 350 0.78

4-3/8 111.1 2 51 Kv 22.0 46.4 71.8 97.7 126 155 189 227 267 303 - - -4-3/8 111.1 2 51XT 0.670 0.666 0.666 0.659 0.631 0.627 0.623 0.624 0.630 0.617 - - -

6Cv 10.6 25.2 41.1 57.7 76.1 94.8 116 139 168 195 0.67

2-7/8 73.0 1-1/2 38 Kv 9.17 21.8 35.6 49.9 65.8 82.0 100 120 145 169 - - -2-7/8 73.0 1-1/2 38XT 0.445 0.443 0.448 0.445 0.445 0.445 0.443 0.448 0.442 0.444 - - -



With Liner

Design EADLinear Cage


56789+# &'':()*+ H!?.2

Catalog 12Fisher, and Fisher-Rosemount, are marks owned by Fisher ControlsInternational, Inc. or Fisher-Rosemount Systems, Inc. All other marks arethe property of their respective owners.

Without Liner - Flow Down LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 2.90 5.78 8.85 11.6 13.9 16.0 18.0 19.7 21.2 22.3 0.89

1 1-5/16 33.3 3/4 19 Kv 2.51 5.00 7.66 10.0 12.0 13.8 15.6 17.0 18.3 19.3 - - -1 1-5/16 33.3 3/4 19XT 0.778 0.704 0.699 0.736 0.745 0.747 0.730 0.699 0.664 0.624 - - -

Cv 3.68 6.98 11.3 15.9 20.8 26.4 32.7 39.2 45.7 52.5 0.84

1-7/8 47.6 3/4 19 Kv 3.18 6.04 9.77 13.8 18.0 22.8 28.3 33.9 39.5 45.4 - - -1-7/8 47.6 3/4 19XT 0.676 0.667 0.684 0.666 0.624 0.627 0.632 0.625 0.655 0.679 - - -

2Cv 3.01 5.45 8.95 12.5 15.9 19.1 23.3 28.4 33.2 37.6 0.73

1-5/16 33.3 3/4 19 Kv 2.60 4.71 7.74 10.8 13.8 16.5 20.2 24.6 28.7 32.5 - - -1-5/16 33.3 3/4 19XT 0.790 0.768 0.661 0.618 0.608 0.611 0.582 0.545 0.535 0.516 - - -

Cv 10.9 25.1 41.3 58.4 75.7 93.9 112 128 143 153 0.83

2-7/8 73.0 1-1/2 38 Kv 9.43 21.7 35.7 50.5 65.5 81.2 96.9 111 124 132 - - -2-7/8 73.0 1-1/2 38XT 0.736 0.638 0.591 0.548 0.538 0.532 0.543 0.583 0.619 0.631 - - -

3Cv 3.61 6.92 11.1 15.5 20.6 26.4 33.2 41.4 50.1 60.2 0.78

1-7/8 47.6 3/4 19 Kv 3.12 5.99 9.60 13.4 17.8 22.8 28.7 35.8 43.3 52.1 - - -1-7/8 47.6 3/4 19XT 0.623 0.721 0.694 0.684 0.663 0.630 0.602 0.570 0.568 0.546 - - -

Cv 14.0 33.8 56.3 80.2 104 127 148 169 185 201 0.81

3-7/16 87.3 1-1/2 38 Kv 12.1 29.2 48.7 69.4 90.0 110 128 146 160 174 - - -3-7/16 87.3 1-1/2 38XT 0.640 0.638 0.611 0.588 0.570 0.568 0.593 0.622 0.660 0.664 - - -

4Cv 7.02 15.7 25.7 36.9 48.6 60.9 72.9 84.6 97.2 108 0.76

2-5/16 58.7 1-1/8 29 Kv 6.07 13.6 22.2 31.9 42.0 52.7 63.1 73.2 84.1 93.4 - - -2-5/16 58.7 1-1/8 29XT 0.712 0.626 0.625 0.597 0.587 0.577 0.590 0.604 0.580 0.566 - - -

Cv 24.2 51.2 81.8 109 140 171 208 256 300 341 0.78

4-3/8 111.1 2 51 Kv 20.9 44.3 70.8 94.3 121 148 180 221 260 295 - - -4-3/8 111.1 2 51XT 0.643 0.697 0.666 0.693 0.672 0.668 0.684 0.663 0.668 0.662 - - -

6Cv 10.2 22.8 36.6 52.1 68.0 84.5 102 124 147 168 0.74

2-7/8 73.0 1-1/2 38 Kv 8.82 19.7 31.7 45.1 58.8 73.1 88.2 107 127 145 - - -2-7/8 73.0 1-1/2 38XT 0.592 0.651 0.661 0.635 0.619 0.619 0.615 0.584 0.568 0.556 - - -



Design EAD

Without LinerLinear Cage


56789+# &'':()*+ H!?.;

Catalog 12

With Liner - Flow Down Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 1.02 1.49 2.07 2.70 3.92 5.68 8.18 11.7 15.5 18.5 0.93

1 1-5/16 33.3 3/4 19 Kv 0.882 1.29 1.79 2.34 3.39 4.91 7.08 10.1 13.4 16.0 - - -1 1-5/16 33.3 3/4 19XT 0.902 0.902 0.820 0.740 0.741 0.737 0.738 0.734 0.742 0.739 - - -

Cv 1.44 2.38 3.54 5.10 7.60 11.6 18.1 26.9 37.8 48.1 0.83

1-7/8 47.6 3/4 19 Kv 1.25 2.06 3.06 4.41 6.57 10.0 15.7 23.3 32.7 41.6 - - -1-7/8 47.6 3/4 19XT 0.619 0.649 0.671 0.678 0.666 0.639 0.574 0.578 0.578 0.576 - - -

2Cv 0.792 1.28 1.84 2.56 3.78 5.66 8.64 13.3 19.9 27.6 0.75

1-5/16 33.3 3/4 19 Kv 0.685 1.11 1.59 2.21 3.27 4.90 7.47 11.5 17.2 23.9 - - -1-5/16 33.3 3/4 19XT 0.648 0.654 0.682 0.659 0.683 0.661 0.592 0.534 0.479 0.468 - - -

Cv 4.38 7.99 12.1 16.5 24.2 36.5 56.6 85.9 116 151 0.78

2-7/8 73.0 1-1/2 38 Kv 3.79 6.91 10.5 14.3 20.9 31.6 49.0 74.3 100 131 - - -2-7/8 73.0 1-1/2 38XT 0.783 0.746 0.680 0.652 0.620 0.588 0.551 0.525 0.553 0.550 - - -

3Cv 1.31 2.28 3.48 5.05 7.58 11.9 18.2 26.7 38.4 50.5 0.78

1-7/8 47.6 3/4 19 Kv 1.13 1.97 3.01 4.37 6.56 10.3 15.7 23.1 33.2 43.7 - - -1-7/8 47.6 3/4 19XT 0.804 0.758 0.719 0.725 0.696 0.634 0.637 0.611 0.561 0.530 - - -

Cv 2.31 0.470 7.45 11.3 17.8 28.7 47.9 77.5 112 152 0.81

3-7/16 87.3 1-1/2 38 Kv 2.00 0.41 6.44 9.77 15.4 24.8 41.4 67.0 96.9 131 - - -3-7/16 87.3 1-1/2 38XT 0.780 0.780 0.791 0.726 0.652 0.630 0.565 0.546 0.549 0.545 - - -

4Cv 2.24 3.67 5.44 7.81 11.7 17.9 27.6 41.9 62.6 86.3 0.73

2-5/16 58.7 1-1/8 29 Kv 1.94 3.17 4.71 6.76 10.1 15.5 23.9 36.2 54.1 74.6 - - -2-5/16 58.7 1-1/8 29XT 0.630 0.668 0.662 0.672 0.659 0.610 0.593 0.574 0.500 0.456 - - -

Cv 5.54 11.0 18.1 30.9 51.7 84.3 136 205 276 336 0.74

4-3/8 111.1 2 51 Kv 4.79 9.52 15.7 26.7 44.7 72.9 118 177 239 291 - - -4-3/8 111.1 2 51XT 0.727 0.684 0.657 0.624 0.599 0.585 0.590 0.587 0.573 0.576 - - -

6Cv 1.32 3.73 7.20 11.1 17.5 27.6 43.4 67.8 102 147 0.74

2-7/8 73.0 1-1/2 38 Kv 1.14 3.23 6.23 9.60 15.1 23.9 37.5 58.6 88.2 127 - - -2-7/8 73.0 1-1/2 38XT 0.455 0.458 0.454 0.457 0.453 0.454 0.454 0.455 0.454 0.454 - - -


With Liner

Design EADEqual Percentage Cage


56789+# &'':()*+ H!?.3

Catalog 12Fisher, and Fisher-Rosemount, are marks owned by Fisher ControlsInternational, Inc. or Fisher-Rosemount Systems, Inc. All other marks arethe property of their respective owners.

Without Liner - Flow Down Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 1.08 1.62 2.20 2.96 4.18 6.04 8.74 12.5 16.5 19.0 0.91

1 1-5/16 33.3 3/4 19 Kv 0.934 1.40 1.90 2.56 3.62 5.22 7.56 10.8 14.3 16.4 - - -1 1-5/16 33.3 3/4 19XT 0.912 0.860 0.808 0.771 0.742 0.706 0.693 0.699 0.697 0.694 - - -

Cv 1.67 2.60 3.82 5.43 7.79 12.2 18.9 27.4 37.8 47.2 0.85

1-7/8 47.6 3/4 19 Kv 1.44 2.25 3.30 4.70 6.74 10.6 16.3 23.7 32.7 40.8 - - -1-7/8 47.6 3/4 19XT 0.680 0.690 0.702 0.725 0.707 0.619 0.622 0.621 0.619 0.623 - - -

2Cv 1.11 1.55 2.05 2.87 4.07 5.95 8.84 13.4 19.6 26.8 0.79

1-5/16 33.3 3/4 19 Kv 0.960 1.34 1.77 2.48 3.52 5.15 7.65 11.6 17.0 23.2 - - -1-5/16 33.3 3/4 19XT 0.938 0.899 0.848 0.789 0.761 0.692 0.636 0.568 0.519 0.507 - - -

Cv 4.59 8.29 12.0 16.9 25.0 37.7 57.3 85.1 121 148 0.80

2-7/8 73.0 1-1/2 38 Kv 3.97 7.17 10.4 14.6 21.6 32.6 49.6 73.6 105 128 - - -2-7/8 73.0 1-1/2 38XT 0.779 0.744 0.715 0.684 0.630 0.582 0.583 0.579 0.578 0.580 - - -

3Cv 1.56 2.51 3.68 5.40 7.65 11.7 18.2 27.0 37.3 47.8 0.84

1-7/8 47.6 3/4 19 Kv 1.35 2.17 3.18 4.67 6.62 10.1 15.7 23.4 32.3 41.3 - - -1-7/8 47.6 3/4 19XT 0.834 0.807 0.768 0.718 0.756 0.723 0.679 0.627 0.615 0.615 - - -

Cv 2.51 5.10 8.03 12.0 18.7 30.7 47.4 80.3 116 156 0.81

3-7/16 87.3 1-1/2 38 Kv 2.17 4.41 6.95 10.4 16.2 26.6 41.0 69.5 100 135 - - -3-7/16 87.3 1-1/2 38XT 0.890 0.770 0.744 0.701 0..696 0.637 0.668 0.572 0.566 0.565 - - -

4Cv 2.33 3.56 5.64 8.18 11.9 18.0 28.2 42.6 62.2 81.8 0.79

2-5/16 58.7 1-1/8 29 Kv 2.02 3.08 4.88 7.08 10.3 15.6 24.4 36.8 53.8 70.8 - - -2-5/16 58.7 1-1/8 29XT 0.753 0.846 0.702 0.666 0.682 0.656 0.619 0.609 0.559 0.530 - - -

Cv 5.51 10.9 17.9 30.2 50.5 82.0 133 200 269 328 0.78

4-3/8 111.1 2 51 Kv 4.77 9.43 15.5 26.1 43.7 70.9 115 173 233 284 - - -4-3/8 111.1 2 51XT 0.705 0.701 0.663 0.646 0.612 0.604 0.606 0.605 0.596 0.604 - - -

6Cv 4.00 7.63 11.1 15.0 23.3 35.0 53.3 79.6 112 144 0.78

2-7/8 73.0 1-1/2 38 Kv 3.46 6.60 9.60 13.0 20.2 30.3 46.1 68.9 96.9 125 - - -2-7/8 73.0 1-1/2 38XT 0.670 0.698 0.725 0.731 0.637 0.629 0.599 0.597 0.573 0.571 - - -



Design EAD

Without LinerEqual Percentage Cage


56789+# &'':()*+ H!?.<

Catalog 12

Whisper Trim I - Flow Up LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total TravelSize,


Cv 2.17 5.30 8.44 11.8 14.7 16.6 19.5 21.5 23.1 24.1

1 1-5/16 33.3 3/4 19 Kv 1.88 4.58 7.30 10.2 12.7 14.4 16.9 18.6 20.0 20.81 1-5/16 33.3 3/4 19XT 0.390 0.406 0.424 0.454 0.456 0.490 0.490 0.506 0.526 0.536

Cv 4.98 11.0 19.7 27.9 34.5 40.6 45.7 50.1 53.7 55.9

2 1-7/8 47.6 3/4 19 Kv 4.31 9.52 17.0 24.1 29.8 35.1 39.5 43.3 46.5 48.42 1-7/8 47.6 3/4 19XT 0.670 0.633 0.403 0.330 0.322 0.327 0.343 0.359 0.372 0.386

Cv 12.4 30.4 48.3 67.6 84.2 95.2 112 123 132 138

3 2-7/8 73.0 1-1/2 38 Kv 10.7 26.3 41.8 58.5 72.8 82.3 96.9 106 114 1193 2-7/8 73.0 1-1/2 38XT 0.307 0.303 0.330 0.329 0.332 0.331 0.361 0.360 0.360 0.375

Cv 16.7 42.9 67.5 91.2 113 133 152 168 182 194

4 3-7/16 87.3 1-1/2 38 Kv 14.4 37.1 58.4 78.9 97.7 115 131 145 157 1684 3-7/16 87.3 1-1/2 38XT 0.738 0.411 0.378 0.331 0.323 0.342 0.354 0.370 0.391 0.400

Cv 28.8 70.4 112 157 195 220 260 285 310 320

6 4-3/8 111.1 2 51 Kv 24.9 60.9 96.9 136 169 190 225 247 268 2776 4-3/8 111.1 2 51XT 0.303 0.331 0.361 0.330 0.330 0.360 0.360 0.390 0.391 0.403

Note: The coefficients shown on this page are also appropriate for the Design EAT.

Design EADWhisper Trim"""" I Cage


56789+# &'':()*+ H!?.4-H!?.:

Catalog 12Fisher, Fisher-Rosemount, and Whisper Trim are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.


56789+# &'':()*+ H!>.&


Quick Opening Quick OpeningCharacteristic


PortDiameter


Coeffi-



Coeffi-cient

(6 mm)Travel(2) 10 20 30 40 50 60 70 80 90 100

FL(3)

Cv 15.6 4.90 9.94 14.3 17.9 20.5 22.3 23.3 23.6 23.8 23.9 0.90

1 1-5/16 33.3 3/4 19 Kv 13.5 4.24 8.60 12.4 15.5 17.7 19.3 20.2 20.4 20.6 20.7 - - -1 1-5/16 33.3 3/4 19XT 0.719 0.726 0.736 0.722 0.709 0.670 0.646 0.625 0.614 0.607 0.604 - - -

Cv 29.2 7.90 16.4 25.8 35.9 44.8 53.3 59.9 64.2 67.2 69.9 0.81

1-7/8 47.6 3/4 19 Kv 25.3 6.83 14.2 22.3 31.1 38.8 46.1 51.8 55.5 58.1 60.5 - - -1-7/8 47.6 3/4 19XT 0.648 0.601 0.631 0.645 0.641 0.646 0.628 0.622 0.631 0.622 0.602 - - -

2Cv 16.7 5.43 10.2 15.1 20.3 26.1 31.4 35.2 37.5 39.2 40.5 0.87

1-5/16 33.3 3/4 19 Kv 14.4 4.70 8.82 13.1 17.6 22.6 27.2 30.4 32.4 33.9 35.0 - - -1-5/16 33.3 3/4 19XT 0.632 0.591 0.631 0.632 0.621 0.638 0.673 0.739 0.786 0.763 0.726 - - -

Cv 38.8 24.5 47.3 79.1 106 125 139 154 168 177 184 0.90

2-7/8 73.0 1-1/2 38 Kv 33.6 21.2 40.9 68.4 91.7 108 120 133 145 153 159 - - -2-7/8 73.0 1-1/2 38XT 0.638 0.630 0.637 0.619 0.693 0.729 0.705 0.641 0.596 0.569 0.563 - - -

3Cv 29.7 7.34 15.9 26.8 36.4 45.3 53.7 60.7 66.6 71.8 76.5 0.97

1-7/8 47.6 3/4 19 Kv 25.7 6.35 13.8 23.2 31.5 39.2 46.5 52.5 57.6 62.1 66.2 - - -1-7/8 47.6 3/4 19XT 0.568 0.598 0.594 0.561 0.571 0.623 0.664 0.713 0.778 0.820 0.819 - - -

Cv 37.5 23.8 46.3 79.6 116 150 176 197 217 233 245 0.79

3-7/16 87.3 1-1/2 38 Kv 32.4 20.6 40.0 68.9 100 130 152 170 188 202 212 - - -3-7/16 87.3 1-1/2 38XT 0.608 0.594 0.604 0.621 0.646 0.632 0.619 0.613 0.605 0.593 0.590 - - -

4Cv 31.5 14.2 28.4 45.2 63.2 80.6 96.1 109 119 129 135 0.81

2-5/16 58.7 1-1/8 29 Kv 27.2 12.3 24.6 39.1 54.7 69.7 83.1 94.3 103 112 117 - - -2-5/16 58.7 1-1/8 29XT 0.624 0.622 0.623 0.617 0.626 0.665 0.706 0.740 0.771 0.666 0.625 - - -

Cv 51.1 40.0 84.3 138 194 246 293 340 378 403 409 0.78

4-3/8 111.1 2 51 Kv 44.2 34.6 72.9 119 168 213 253 294 327 349 354 - - -4-3/8 111.1 2 51XT 0.582 0.581 0.585 0.587 0.584 0.582 0.583 0.585 0.578 0.582 0.584 - - -

6Cv 36.5 21.3 45.3 71.4 98.9 123 142 159 175 186 192 0.81

2-7/8 73.0 1-1/2 38 Kv 31.6 18.4 39.2 61.8 85.5 106 123 138 151 161 166 - - -2-7/8 73.0 1-1/2 38XT 0.721 0.720 0.722 0.718 0.717 0.718 0.723 0.718 0.715 0.731 0.719 - - -

1. When using Type 655-EAS as a control valve for on-off service, the maximum travel for sizing purposes is 3/4 in. (19 mm).2. When sizing self-operated regulators, use coefficients listed for 1/4 in. (6 mm) travel.3. At 100% travel.

Restricted trim.

Quick Opening Cage

Design EASFlow Up

Linear LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 3.97 6.17 8.40 10.7 12.9 15.3 17.9 20.3 22.3 24.2 0.92

1 1-5/16 33.3 3/4 19 Kv 3.43 5.34 7.27 9.26 11.2 13.2 15.5 17.6 19.3 20.9 - - -1 1-5/16 33.3 3/4 19XT 0.712 0.697 0.699 0.704 0.734 0.730 0.693 0.644 0.609 0.577 - - -

Cv 5.20 6.97 11.0 15.2 19.6 24.5 30.3 36.7 42.8 49.1 0.85

1-7/8 47.6 3/4 19 Kv 4.50 6.03 9.52 13.1 17.0 21.2 26.2 31.7 37.0 42.5 - - -1-7/8 47.6 3/4 19XT 0.584 0.600 0.618 0.660 0.658 0.664 0.669 0.679 0.698 0.697 - - -

2Cv 2.45 4.35 6.44 8.80 11.8 15.4 19.4 23.6 28.1 32.7 0.89

1-5/16 33.3 3/4 19 Kv 2.11 3.76 5.57 7.61 10.2 13.3 16.8 20.4 24.3 28.3 - - -1-5/16 33.3 3/4 19XT 0.723 0.723 0.749 0.736 0.690 0.651 0.642 0.655 0.688 0.720 - - -

Cv 10.5 22.9 35.5 48.7 61.8 76.3 91.3 109 129 149 0.85

2-7/8 73.0 1-1/2 38 Kv 9.08 19.8 30.7 42.1 53.5 66.0 79.0 94.3 112 129 - - -2-7/8 73.0 1-1/2 38XT 0.651 0.649 0.691 0.692 0.701 0.698 0.702 0.686 0.666 0.646 - - -

3Cv 3.62 6.94 10.7 14.9 19.0 23.9 28.9 34.9 42.4 51.0 0.92

1-7/8 47.6 3/4 19 Kv 3.13 6.00 9.26 12.9 16.4 20.7 25.0 30.2 36.7 44.1 - - -1-7/8 47.6 3/4 19XT 0.506 0.634 0.723 0.673 0.723 0.704 0.722 0.739 0.721 0.703 - - -

Cv 12.9 28.6 45.5 67.8 88.4 108 129 151 174 196 0.81

3-7/16 87.3 1-1/2 38 Kv 11.2 24.7 39.4 58.6 76.5 93.4 112 131 151 170 - - -3-7/16 87.3 1-1/2 38XT 0.616 0.648 0.661 0.676 0.687 0.698 0.688 0.672 0.661 0.656 - - -

4Cv 6.84 13.9 22.1 31.2 40.9 51.3 62.0 73.2 84.8 95.0 0.87

2-5/16 58.7 1-1/8 29 Kv 5.92 12.0 19.1 27.0 35.4 44.4 53.6 63.3 73.4 82.2 - - -2-5/16 58.7 1-1/8 29XT 0.647 0.661 0.688 0.655 0.631 0.623 0.625 0.644 0.696 0.723 - - -

Cv 26.1 52.3 78.3 105 132 164 200 247 303 361 0.81

4-3/8 111.1 2 51 Kv 22.6 45.2 67.7 90.8 114 142 173 214 262 312 - - -4-3/8 111.1 2 51XT 0.631 0.684 0.727 0.718 0.720 0.690 0.683 0.670 0.647 0.623 - - -

6Cv 10.5 22.7 35.1 48.0 60.8 74.7 89.6 107 128 150 0.90

2-7/8 73.0 1-1/2 38 Kv 9.08 19.6 30.4 41.5 52.6 64.6 77.5 92.6 111 130 - - -2-7/8 73.0 1-1/2 38XT 0.675 0.708 0.731 0.757 0.767 0.769 0.772 0.772 0.772 0.771 - - -



56789+# &'':()*+ H!>./

Catalog 12

Linear Cages

Design EASFlow Up

Equal Percentage Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 1.29 1.87 2.59 3.85 5.59 8.46 12.5 16.9 20.9 23.5 0.82

1 1-5/16 33.3 3/4 19 Kv 1.12 1.62 2.24 3.33 4.84 7.32 10.8 14.6 18.1 20.3 - - -1 1-5/16 33.3 3/4 19XT 0.812 0.771 0.674 0.702 0.730 0.714 0.723 0.669 0.633 0.579 - - -

Cv 1.41 2.41 3.43 4.86 7.26 11.3 17.3 24.5 32.6 40.8 0.91

1-7/8 47.6 3/4 19 Kv 1.22 2.09 2.97 4.20 6.28 9.78 15.0 21.2 28.2 35.3 - - -1-7/8 47.6 3/4 19XT 0.724 0.736 0.727 0.738 0.723 0.714 0.646 0.680 0.673 0.725 - - -

2Cv 0.850 1.35 1.87 2.42 3.64 5.54 8.22 11.9 16.6 21.8 0.95

1-5/16 33.3 3/4 19 Kv 0.735 1.17 1.62 2.09 3.15 4.79 7.11 10.3 14.4 18.9 - - -1-5/16 33.3 3/4 19XT 0.858 0.827 0.846 0.800 0.810 0.675 0.644 0.696 0.727 0.760 - - -

Cv 4.16 6.90 10.4 14.7 21.2 32.6 49.3 73.3 101 128 0.85

2-7/8 73.0 1-1/2 38 Kv 3.60 5.97 9.00 12.7 18.3 28.2 42.6 63.4 87.4 111 - - -2-7/8 73.0 1-1/2 38XT 0.718 0.867 0.770 0.743 0.766 0.712 0.683 0.687 0.671 0.670 - - -

3Cv 1.48 2.44 3.47 4.87 7.31 10.9 16.7 24.5 33.0 41.3 0.91

1-7/8 47.6 3/4 19 Kv 1.28 2.11 3.00 4.21 6.32 9.43 14.4 21.2 28.5 35.7 - - -1-7/8 47.6 3/4 19XT 0.713 0.737 0.747 0.780 0.749 0.744 0.733 0.704 0.720 0.749 - - -

Cv 3.63 6.33 9.32 13.9 21.0 32.9 52.5 81.7 115 148 0.84

3-7/16 87.3 1-1/2 38 Kv 3.14 5.48 8.06 12.0 18.2 28.5 45.4 70.7 99.5 128 - - -3-7/16 87.3 1-1/2 38XT 0.839 0.776 0.784 0.799 0.793 0.699 0.776 0.724 0.697 0.691 - - -

4Cv 1.94 3.36 4.81 6.76 10.7 16.4 25.0 36.8 51.4 67.6 0.91

2-5/16 58.7 1-1/8 29 Kv 1.68 2.91 4.16 5.85 9.26 14.2 21.6 31.8 44.5 58.5 - - -2-5/16 58.7 1-1/8 29XT 0.693 0.694 0.692 0.794 0.792 0.724 0.694 0.676 0.692 0.692 - - -

Cv 5.21 10.3 16.9 28.0 45.6 73.5 121 184 251 310 0.84

4-3/8 111.1 2 51 Kv 4.51 8.91 14.6 24.2 39.4 63.6 105 159 217 268 - - -4-3/8 111.1 2 51XT 0.968 0.846 0.801 0.794 0.769 0.770 0.728 0.712 0.687 0.690 - - -

6Cv 4.12 7.27 10.5 14.6 21.4 32.1 47.9 71.3 97.0 126 0.90

2-7/8 73.0 1-1/2 38 Kv 3.56 6.29 9.08 12.6 18.5 27.8 41.4 61.7 83.9 109 - - -2-7/8 73.0 1-1/2 38XT 0.728 0.763 0.772 0.790 0.778 0.774 0.778 0.750 0.777 0.776 - - -



56789+# &'':()*+ H!>.2


Equal Percentage Cages

Design EASFlow Up

Whisper Trim I LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



Cv 2.30 5.62 8.95 12.5 15.6 17.6 20.7 22.8 24.5 25.5

1 1-5/16 33.3 3/4 19 Kv 1.99 4.86 7.74 10.8 13.5 15.2 17.9 19.7 21.2 22.11 1-5/16 33.3 3/4 19XT 0.351 0.377 0.395 0.423 0.419 0.448 0.448 0.467 0.484 0.498

Cv 4.77 10.6 18.8 26.9 33.2 39.2 44.0 48.8 52.9 56.1

2 1-7/8 47.6 3/4 19 Kv 4.13 9.17 16.3 23.3 28.7 33.9 38.1 42.2 45.8 48.52 1-7/8 47.6 3/4 19XT 0.794 0.635 0.409 0.341 0.335 0.339 0.363 0.372 0.383 0.384

Cv 12.8 33.9 56.6 76.4 96.3 114 130 143 156 164

3 2-7/8 73.0 1-1/2 38 Kv 11.1 29.3 49.0 66.1 83.3 98.6 112 124 135 1423 2-7/8 73.0 1-1/2 38XT 0.638 0.471 0.350 0.332 0.317 0.326 0.331 0.349 0.361 0.377

Cv 19.2 49.3 77.6 105 130 153 175 193 209 223

4 3-7/16 87.3 1-1/2 38 Kv 16.6 42.6 67.1 90.8 112 132 151 167 181 1934 3-7/16 87.3 1-1/2 38XT 0.478 0.402 0.371 0.324 0.317 0.336 0.348 0.364 0.385 0.394

Cv 31.7 77.5 123 173 214 242 286 313 341 352

6 4-3/8 111.1 2 51 Kv 27.4 67.0 106 150 185 209 247 271 295 3046 4-3/8 111.1 2 51XT 0.292 0.318 0.350 0.318 0.320 0.347 0.347 0.377 0.377 0.389

Whisper Trim" I Cage

Design EASFlow Up


56789+# &'':()*+ H!>.;

Catalog 12

The Design EAS valve (”Flow Down”) has flow coefficients identical to the De-sign EAD valve. Refer to the Design EAD coefficients. For additional DesignEAS valve body information, refer to Bulletin 51.1:ES.


56789+# &'':()*+ H!>.3-H!>.<


Flow DownDesign EAS

Flow DownDesign EAT


56789+# &'':()*+ H!@.&-H!@./


The Design EAT valve (”Flow Down”) has flow coefficients identical to the Design EADvalve. Refer to the Design EAD coefficients. For additional Design EAT valve body infor-mation, refer to Bulletin 51.1:ET.

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= N =C=OH =CPO=J KK2K KOH => !" #$%& '%$( )%#$ ##%* #'%* #*%+ #&%* #)%+ #)%, #)%, #,%# - - -= N =C=OH =CPO=J KK2K KOH =>QR M2IMK M2PPJ M2IHH M2ILH M2JJJ M2JLJ M2P?H M2PJJ M2PH> M2PPH M2PPJ - - -

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!" #,%. *%&' #$%. #&%& $+%$ $&%& +#%& +'%# +.%& +*%, +)%# - - -=CIO? HI2J KOH =>

QR M2JI> M2H>H M2JH= M2J?L M2J?M M2J?J M2JJ= M2JH> M2JK? M2J=J M2P>I - - -

=C=OL 80 C C C M2LL M2L? M2KL M2KH M2KP M2KJ M2KJ M2KJ M2KJ M2KJ - - -=C=OL+B =J2L P2MP >2>> =H2I LM2M LH2M LP2I LJ2L LI2H L?2J L>2> M2??

=CPO=J KK2K KOH => !" #'%( '%+& )%*' #$%& #&%+ $(%) $$%$ $$%& $+%& $'%& $.%, - - -=CPO=J KK2K KOH =>QR M2>HL M2?MK M2>MH M2>HJ M2?IL M2?K? M2?H> M2?IH M2?KL M2I>P M2IPJ - - -

+B L>2I =K2H LJ2? K>2> P=2K JL2> IM2J IK2I IP2J IJ2? II2J M2II

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QR M2IIK M2JMP M2J>P M2IKI M2IJ= M2IMK M2JP? M2JH= M2JKP M2JLJ M2JLK - - -

L 80 C C C M2LH M2KM M2KK M2KP M2KJ M2KJ M2KJ M2KJ M2KJ M2KJ - - -L+B =J2I H2?M >2P? =H2> LM2L LP2I L>2K K=2L K=2L K=2L K=2L M2?I

=CPO=J KK2K KOH => !" #'%' '%#. )%$, #$%, #&%. $$%$ $.%+ $&%( $&%( $&%( $&%( - - -=CPO=J KK2K KOH =>QR M2IMP M2PI? M2IKK M2J>P M2J>? M2JJJ M2J?> M2IKP M2I>= M2?MP M2?MP - - -

+B KK2H LM2> K>2J P?2? IH2L ?H2> >I2M =MK =MJ =M? =M> M2?=

!" $)%, #)%# +'%+ .(%, *'%$ &+%' )+%, ),%# ,#%& ,+%' ,'%+ - - -LCIO? IK2M =C=OL K?

QR M2JKP M2JM= M2J?H M2IK? M2IJI M2IHH M2J?> M2JJ> M2JP? M2JJM M2JPL - - -

LC=OL 80 C C C M2LP M2K= M2KH M2KP M2KJ M2KJ M2KJ M2KJ M2KJ M2KP - - -LC=OL+B LP2K I2?K =P2L LL2? K=2M HM2M H?2K PH2> JM2K JJ2H I=2L M2?J

=CIO? HI2J KOH => !" $#%, *%&& #+%# #,%& $*%) +'%* '#%) '&%. .$%$ .&%' *#%* - - -=CIO? HI2J KOH =>QR M2JHL M2H>? M2J=? M2JLI M2JKJ M2JHM M2JJ> M2ILP M2IP? M2IKI M2I=M - - -

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K 80 C C C M2LL M2L> M2KL M2KH M2KP M2KJ M2KJ M2KJ M2KJ M2KJ - - -K+B KP2L =P2> K=2I HI2L JM2I IH2H ?K2J ?I2K ?>2P >=2M >=2> M2?J

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=CPO=J KK2K KOH => !" $%.+ '%,+ &%)+ #(%) #+%. #*%( #)%+ $(%& $+%$ $.%+ - - -=CPO=J KK2K KOH =>QR M2J>M M2JP= M2JKK M2JKH M2JPM M2JJJ M2IM? M2I=? M2IKI M2IKK - - -

+B I2?I =J2M LH2> KK2H HL2= P=2? JL2M J?2= IM2J IL2> M2II

!" *%)# #+%) $#%. $)%, +*%' ''%) .+%* .)%, *#%# *+%# - - -LCPO=J P?2I =C=O? L>

QR M2JH= M2ILM M2IL? M2IJI M2I>K M2IPH M2J?K M2JP? M2JPL M2JK? - - -

L 80 M2KM M2KP M2KJ M2KI M2KI M2KJ M2KP M2KP M2KH M2KK - - -L+B K2PK J2KJ >2>L =K2K =J2P =>2I LL2I LP2J L>2K KK2K M2?I

=CPO=J KK2K KOH => !" +%(. .%.( )%.) ##%. #'%+ #&%( #,%* $$%# $.%+ $)%) - - -=CPO=J KK2K KOH =>QR M2HPJ M2PL> M2PH> M2P?L M2J== M2JKK M2JI= M2ILK M2ILI M2J>H - - -

+B >2KH L=2J KP2P H>2P JL2I IH2= ?K2J >K2P =ML =M? M2?=

!" )%() #)%& +(%& '$%) .'%$ *'%# &$%+ )(%, ))%$ ,+%' - - -LCIO? IK2M =C=OL K?

QR M2J?M M2JJM M2JHH M2JJ> M2JIH M2IMJ M2I=J M2J?I M2JP? M2JH= - - -

LC=OL 80 M2LI M2KK M2KP M2KJ M2KP M2KH M2KL M2L> M2LI M2LI - - -LC=OL+B H2=M ?2M> =L2K =J2I L=2= LJ2? KK2I H=2K H>2L PI2M M2?H

=CIO? HI2J KOH => !" +%.. &%(( #(%* #'%' #)%+ $+%$ $,%$ +.%& '$%* ',%+ - - -=CIO? HI2J KOH =>QR M2JJ? M2JHJ M2J?H M2J?? M2J>? M2J>H M2JI? M2JJ? M2JJ> M2JJJ - - -

+B =H2P KL2> PL2= IM2H ??2P =MP ==? =KK =HL =H? M2?L

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QR M2JI= M2J>> M2J>I M2ILM M2IKK M2I=? M2IMI M2JPM M2JKM M2JLM - - -

K 80 M2LJ M2KL M2KP M2KJ M2KJ M2KJ M2KJ M2L? M2L> M2KM - - -K+B ?2MJ =J2> LJ2I KI2P H>2M J=2H IK2? ?P2K >H2I =ML M2?P

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+B LK2K PM2K I?2= =MP =LI =PL =?= LMK LLK LKJ M2?L

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QR M2J>= M2I=H M2ILM M2IK= M2IJH M2IPI M2IH? M2IJL M2IKL M2J?? - - -

H 80 M2K= M2KJ M2K? M2K? M2KI M2KP M2KL M2KM M2LI M2L? - - -H+B >2II LL2J KI2L P=2? JP2I II2P ?I2P >I2> =MI ==K M2?H

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!" #%+# $%$& +%+. '%*) *%'' ,%*, #.%# $#%$ $*%* +#%( - - -=CIO? HI2J KOH =>

QR M2I?M M2IKP M2I=J M2I=P M2IK? M2ILI M2J>M M2J?P M2J?P M2JI> - - -

= =OL 80 M2JH M2JK M2JK M2JH M2HJ M2HP M2KM M2K= M2KP M2K? - - -= =OL+B =2=L =2PJ L2LL K2=M H2LI J2=I >2M= =K2= =?2L LK2= M2>=

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+B =2JJ L2>K H2JJ J2>? =M2? =J2P LP2H KI2K PM2I P>2I M2?P

!" #%'' $%.+ '%(+ *%(' ,%+' #'%+ $$%( +$%+ '+%, .#%* - - -LCPO=J P?2I =C=O? L>

QR M2?LI M2?KH M2IIH M2ILI M2J?I M2J?H M2IML M2IKJ M2J?J M2J?I - - -

L 80 M2H= M2PM M2PK M2P? M2KI M2KL M2LI M2LJ M2L> M2K= - - -L+B M2>LK =2HL L2M> L2?H H2== P2?K ?2P? =L2? =?2P LH2K M2??

=CPO=J KK2K KOH => !" (%&,) #%$+ #%)# $%'* +%.* .%(' &%'$ ##%# #*%( $#%( - - -=CPO=J KK2K KOH =>QR M2IIP M2IHH M2IHL M2IMI M2I=P M2I=H M2I=H M2JH= M2JL= M2JH> - - -

+B K2HK I2=K =M2? =P2= LL2H KK2I H>2L I=2= ?>2P >>2H M2?H

!" $%,& *%#& ,%+' #+%# #,%' $,%$ '$%* *#%. &&%' )*%( - - -LCIO? IK2M =C=OL K?

QR M2II? M2IML M2JI? M2JII M2JP? M2JPH M2JJ= M2JJP M2JJ= M2JJM - - -

LC=OL 80 M2HP M2H> M2H> M2HI M2KP M2KL M2KM M2LH M2LP M2LI - - -LC=OL+B =2PI L2PI K2?L P2HH I2JH ==2P =?2L LJ2I KP2= HK2> M2?>

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K 80 M2PL M2JK M2J? M2K> M2KJ M2L> M2LJ M2L? M2KM M2KL - - -K+B =2IP K2== H2II I2MI =M2I =I2M LI2> H=2P P?2M IM2I M2?I

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+B P2?P ==2J =?2K KM2L H>2I I>2I =LP =I= LMP LLH M2?L

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J 80 M2K> M2HH M2HI M2KK M2L> M2LL M2LL M2LH M2LP M2LJ - - -J+B P2HM =M2= =P2? LJ2I HP2L I=2L === =J> LKL LIH M2??

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+B =?2P K?2M P?2H ?J2I =KM =?> LJ? KI= HIJ PJI M2?P

? ? LMK2L L P= !" #*%( +$%, .(%. &.%( ##$ #*+ $+$ +$# '#$ ',( - - -? ? LMK2L L P=QR M2ILI M2JLK M2JMM M2P?? M2P?M M2P?I M2P>> M2J== M2JI= M2ILH - - -

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Design EDR


56789+# &'':()*+ H?I.&-H?I./


The Design EDR valve has flow coefficients identical to the 1 - 4 in. sizes ofthe Classes 125 - 600 Design ED valve. Please refer to those coefficients.For additional Design EDR body information, refer to Bulletin 51.1:ED.

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+B K2L? LI2H PP2? II2L >H2= =M> =LM =L? =K= =KL M2>L

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+B J2>= LJ2H PH2I ?J2H ==I =HK =JP =?L =>H LM= M2>=

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+B ?2I? JK2K =H> LK= L>? KPM K?P HM? HLH HLP M2>=

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+B =MP L=L KKL HP? PI? J?> I?? ?I? >PH =MLM M2?L

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+B L== K>M P>K ?MH =M=M =LHM =HJM =JJM =?KM =>IM M2?M

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+B L2?? J2HM =K2M L=2I KK2M H>2= J>2? ?>2P =ML ==K M2>K

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+B K2=L I2KP =K2> LK2H KI2> JM2= >M2J =LK =HI =JP M2?P

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+B K2JH =K2K LK2= KJ2L JK2M =MP =PJ L=I L?M K=> M2?L

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+B KL2P P>2J ?P2K ==H =P> LL> KKH HJ? J=> IPP M2?P

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+B ?=2K =HK LMI L?J K?L PPI IPL =MMM =L>M =PIM M2?L

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+B K2J? =M2P L=2J KI2J JL2P ?>2L =MP ==I =LH =LJ M2>H

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+B H2KK ==2K LK2K HP2M I>2J =L= =PP =IJ =>L LMK M2?>

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+B P2LL =J2J KM2? PP2M =MM =J? LH= L>> KP= KI? M2?>

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+B K?2K IM2L =MK =HP L=J KLH H>P J?H ?HH >=L M2?P

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+B >P2> =PJ LL> K=K H?I I=M >?? =L?M =J=M =?KM M2?K

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L N K V L =C=OL K?2= =C=O? L> !" #%$. $%,+ )%#& #+%# #&%& $#%* $.%# $&%, +(%$ +#%$ - - -L N K V L =C=OL K?2= =C=O? L>QR M2I=? M2J=L M2PJJ M2JMP M2JH? M2J>I M2ILI M2IHM M2IHM M2IKP - - -

+B L2II =K2L K=2M HI2H P>2I J?2I IP2P ?M2J ?K2> ?P2> M2>P

K N H V K LCPO=J P?2I =C=OL K? !" $%'( ##%' $*%) '#%( .#%* .,%' *.%+ *,%& &$%* &'%+ - - -K N H V K LCPO=J P?2I =C=OL K?QR M2J?P M2PIH M2J=L M2JJ? M2I=H M2IK= M2IKP M2I=? M2IM= M2IMJ - - -

+B L2>> =I2H K?2= PI2? I?2? =MM ==> =KM =KJ =K> M2??

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+B =I2P K?2> ?J2= =H= =>P LH= LIH L>K KM= KM> M2?>

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+B IP2= =HM L=L L?> KJJ HKP H>P PHI P>M JL= M2?L

? N =M PCKO? =KJ2P LC=OL JH !" *.%( #$# #)+ $.( +#& +&* '$) '&+ .#( .+& - - -? N =M PCKO? =KJ2P LC=OL JHQR M2IIL M2?KK M2?HM M2II> M2IH= M2IKK M2IL> M2I=P M2IMH M2J?? - - -

+B =MH LL> KJ> HII P?I J>= ?MH >MJ >?= =MKM M2?=

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+B L2PI J2PK =M2M =L2P =I2K LP2= KK2? HL2? P>2J ?=2= M2?H

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+B K2MI >2L> =I2? LH2P KP2J P>2I >?2I =H= =?? L=I M2?P

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+B K?2H JH2? ??2M ==> =J? LH? KJM H>J JPH ?MM M2?=

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Classes 900 and 1500 LinearCharacteristic

Port MaximumTrim

ValveSize,

PortDiameter

MaximumTravel

FlowCoeffi-

Min.Throttling

Valve Opening—Percent of Total TravelF (3)

StageSize,

Inches Inches mm Inches mmCoeffi-cient

ThrottlingCv

(2) 10 20 30 40 50 60 70 80 90 100FL

(3)

(1)Cv 0.360 0.080 0.590 1.40 2.30 3.10 4.00 4.70 5.40 6.10 6.54 0.98

1, 1-1/2 x 1, & 2 x 1(1) 7/8 22.2 1-1/2 38Kv 0.311 0.069 0.510 1.21 1.99 2.68 3.46 4.07 4.67 5.28 5.66 - - -

Cv 0.580 0.60 2.00 3.61 5.32 7.03 8.61 10.3 12.0 13.5 14.3 0.982 & 3 x 2 1-3/4 44.5 2 51

Kv 0.502 0.519 1.73 3.12 4.60 6.08 7.45 8.91 10.4 11.7 12.4 - - -

Two Cv 0.720 1.46 4.98 9.24 13.2 17.0 20.7 24.7 28.5 31.9 34.4 0.98TwoStage 3 & 4 x 3 2-1/2 63.5 2-1/2 64

Kv 0.623 1.26 4.31 7.99 11.4 14.7 17.9 21.4 24.7 27.6 29.8 - - -

Cv 0.900 2.61 9.01 15.6 21.8 28.3 34.3 40.4 46.4 52.2 58.1 0.984 & 6 x 4 3-7/16 87.3 3 76

Kv 0.778 2.26 7.79 13.5 18.9 24.5 29.7 34.9 40.1 45.2 50.3 - - -

Cv 1.72 7.50 20.7 33.8 47.0 60.1 73.3 87.0 100 112 123 0.986 & 8 x 6 5-1/4 133.4 4 102

Kv 1.49 6.49 17.91 29.2 40.7 52.0 63.4 75.3 86.5 96.9 106.4 - - -

Cv - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -1, 1-1/2 x 1, & 2 x 1 - - - - - - - - - - - -

Kv - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Cv 0.590 0.560 1.30 2.20 3.10 3.90 4.80 5.60 6.50 7.30 7.40 0.992 & 3 x 2 1 25.4 2 51

Kv 0.510 0.484 1.12 1.90 2.68 3.37 4.15 4.84 5.62 6.31 6.40 - - -

Three Cv 1.20 1.45 3.30 4.50 6.20 8.00 9.80 11.4 12.8 14.2 15.6 0.99ThreeStage 3 & 4 x 3 1-7/8 47.6 2-1/2 64

Kv 1.04 1.25 2.85 3.89 5.36 6.92 8.48 9.86 11.1 12.3 13.5 - - -

Cv 1.70 2.80 5.50 8.30 11.0 13.9 16.7 19.4 22.2 25.0 27.8 0.994 & 6 x 4 2-7/8 73.0 3 76

Kv 1.47 2.42 4.76 7.18 9.52 12.0 14.4 16.8 19.2 21.6 24.0 - - -

Cv 3.10 6.10 13.2 19.8 26.1 34.1 41.5 48.2 54.5 60.9 65.0 0.996 & 8 x 6 4-9/16 115.9 4 102

Kv 2.68 5.28 11.4 17.1 22.6 29.5 35.9 41.7 47.1 52.7 56.2 - - -1. Cavitrol III trim in the Class 1500 and 2500, 1-inch, two-stage and in the Class 2500, 2-inch, three-stage body sizes uses unbalanced valve plugs. Thses sizes and constructionsare Design EHS valves; all other valves in this table are Design EHT valves.2. Valves should not be required to throttle at a Cv less than the specified minimum of Cv for an extended period. Erosion damage to the valve seats might result.3. At 100 percent travel.

Notes:

All other Design EHT flow coefficients are identical to Design EHD coefficients. Referto Design EHD information using all flange ratings and cage styles.

In applications where pressure drop decreases with travel, consider using character-ized Cavitrol III cages. Contact your Fisher Controls sales office or sales representativefor assistance.

Design EHS & EHT(1)

Cavitrol� III Cage

Printed in U.S.A. on recycled paper.Fisher Controls International, Inc., 1989, 1998;All Rights Reserved

��

Catalog 12

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Quick Opening & Linear CagesDesigns EK & EKR


56789+# &'':()*+ HJ.&-HJ./



Port Total Coeffs.ValveSize,

PortDiameter

TotalTravel Flow

Coeffi-for 1/4

in.Valve Opening—Percent of Total Travel


Coeffi-cient

in.(6 mm)

Travel(1) 10 20 30 40 50 60 70 80 90 100

FL(2)

Cv 15.0 2.64 8.14 13.5 16.8 18.3 19.2 20.0 20.7 21.3 22.0 0.87

1 1--3/16 30.2 3/4 19 Kv 13.0 2.28 7.04 11.7 14.5 15.8 16.6 17.3 17.9 18.4 19.0 -- -- --1 1--3/16 30.2 3/4 19XT 0.656 0.613 0.613 0.611 0.615 0.611 0.623 0.612 0.612 0.615 0.613 -- -- --

Cv 23.2 3.17 12.0 20.5 27.8 32.7 36.9 39.9 42.2 44.1 45.3 0.79

1--1/2 1--3/4 44.4 3/4 19 Kv 20.1 2.74 10.4 17.7 24.0 28.3 31.9 34.5 36.5 38.1 39.2 -- -- --1--1/2 1--3/4 44.4 3/4 19XT 0.875 0.956 0.852 0.889 0.777 0.746 0.694 0.653 0.612 0.594 0.580 -- -- --

Cv 29.3 10.1 25.8 39.7 50.7 59.9 67.1 72.6 75.7 77.6 77.8 0.79

2 2--3/16 55.6 1--1/8 29 Kv 22.2 8.74 22.3 34.3 43.9 51.8 58.0 62.8 65.5 67.1 67.3 -- -- --2 2--3/16 55.6 1--1/8 29XT 0.834 0.593 0.819 0.800 0.753 0.704 0.654 0.611 0.592 0.573 0.590 -- -- --

Cv 37.7 20.9 45.5 66.6 80.4 91.9 100 105 107 108 109 0.82

2--1/2 2--3/4 69.8 1--1/2 38 Kv 32.6 18.1 39.4 57.6 69.5 79.5 86.5 90.8 92.6 93.4 94.3 -- -- --2--1/2 2--3/4 69.8 1--1/2 38XT 0.850 0.801 0.773 0.688 0.689 0.679 0.664 0.663 0.661 0.668 0.667 -- -- --

Cv 38.4 16.0 51.2 81.6 103 118 132 144 152 158 160 0.67

3 3--5/16 84.1 1--1/2 38 Kv 33.2 13.8 44.3 70.6 89.1 102 114 125 131 137 138 -- -- --3 3--5/16 84.1 1--1/2 38XT 0.855 0.856 0.807 0.834 0.828 0.803 0.756 0.697 0.668 0.644 0.635 -- -- --

Cv 66.5 52.9 108 144 175 199 216 229 231 233 236 0.84

4 4--1/4 107.9 2 51 Kv 57.5 45.8 93.4 125 151 172 187 198 200 202 204 -- -- --4 4--1/4 107.9 2 51XT 0.672 0.601 0.706 0.778 0.782 0.778 0.720 0.687 0.705 0.699 0.684 -- -- --

Cv 83.2 60.5 150 232 299 352 388 419 435 448 465 0.85

6 6--7/8 174.6 2 51 Kv 72.0 52.3 130 201 259 304 336 362 376 388 402 -- -- --6 6--7/8 174.6 2 51XT 0.845 0.826 0.899 0.859 0.831 0.763 0.757 0.718 0.733 0.710 0.677 -- -- --

Linear Cage LinearCharacteristic

Cv -- -- -- 0.803 2.45 4.90 7.42 10.3 13.0 15.5 17.6 19.4 20.6 0.87

1 1--3/16 30.2 3/4 19 Kv -- -- -- 0.695 2.12 4.24 6.42 8.91 11.2 13.4 15.2 16.8 17.8 -- -- --1 1--3/16 30.2 3/4 19XT -- -- -- 0.665 0.592 0.666 0.698 0.669 0.668 0.666 0.651 0.668 0.667 -- -- --

Cv -- -- -- 1.64 6.41 11.8 17.4 22.7 27.5 31.6 34.5 37.7 39.1 0.83

1--1/2 1--3/4 44.4 3/4 19 Kv -- -- -- 1.42 5.54 10.2 15.1 19.6 23.8 27.3 29.8 32.6 33.8 -- -- --1--1/2 1--3/4 44.4 3/4 19XT -- -- -- 0.673 0.730 0.814 0.766 0.740 0.724 0.717 0.719 0.676 0.670 -- -- --

Cv -- -- -- 14.7 14.7 22.2 29.7 37.4 46.3 56.7 63.9 67.8 69.3 0.82

2 2--3/16 55.6 1--1/8 29 Kv -- -- -- 12.7 12.7 19.2 25.7 32.4 40.0 49.0 55.3 58.6 59.9 -- -- --2 2--3/16 55.6 1--1/8 29XT -- -- -- 0.739 0.816 0.910 0.921 0.863 0.774 0.702 0.701 0.664 0.647 -- -- --

Cv -- -- -- 10.3 23.7 35.5 48.6 60.8 72.7 84.1 93.9 101 104 0.82

2--1/2 2--3/4 69.8 1--1/2 38 Kv -- -- -- 8.91 20.5 30.7 42.0 52.6 62.9 72.7 81.2 87.4 90.0 -- -- --2--1/2 2--3/4 69.8 1--1/2 38XT -- -- -- 0.730 0.768 0.851 0.838 0.818 0.79. 0.743 0.726 0.700 0.688 -- -- --

Cv -- -- -- 11.5 29.0 47.9 65.3 81.6 98.3 116 130 136 145 0.81

3 3--5/16 84.1 1--1/2 38 Kv -- -- -- 9.95 25.1 41.4 56.5 70.6 85.0 100 112 118 125 -- -- --3 3--5/16 84.1 1--1/2 38XT -- -- -- 0.737 0.835 0.815 0.775 0.839 0.848 0.777 0.732 0.724 0.674 -- -- --

Cv -- -- -- 16.9 44.7 73.4 102 128 152 177 196 207 219 0.85

4 4--1/4 107.9 2 51 Kv -- -- -- 14.6 38.7 63.5 88.2 111 131 153 170 179 189 -- -- --4 4--1/4 107.9 2 51XT -- -- -- 0.721 0.761 0.748 0.753 0.776 0.798 0.784 0.768 0.760 0.723 -- -- --

Cv -- -- -- 38.5 98.6 161 217 272 323 362 390 407 427 0.85

6 6--7/8 174.6 2 51 Kv -- -- -- 33.3 85.3 139 188 235 279 313 337 352 369 -- -- --6 6--7/8 174.6 2 51XT -- -- -- 0.691 0.810 0.797 0.816 0.801 0.792 0.781 0.749 0.750 0.731 -- -- --

1. When sizing self--operated regulators, use coefficients listed for 1/4 in. (6 mm) travel.2. At 100% travel.

Quick Opening Cage

Design ESClasses 125 - 600


56789+# &'':()*+ H>.&


Quick Opening - Flow Up Quick OpeningCharacteristic

Port MaximumPortDiameter

MaximumTravel Valve Opening—Percent of Total Travel

ValveSize,

Inches Inches mm Inches(1) mm(1)

FlowCoeffi-cient

Coeffs.for 1/4 in.

(6 mm)Travel(2)

10 20 30 40 50 60 70 80 90 100FL

(3)

Cv 6.27 4.00 5.63 6.22 6.35 6.44 6.48 6.52 6.53 6.53 6.53 0.88

1/2 1-5/16 33.3 3/4 19 Kv 5.42 3.46 4.87 5.38 5.49 5.57 5.61 5.64 5.65 5.65 5.65 - - -1/2 1-5/16 33.3 3/4 19XT 0.665 0.681 0.711 0.653 0.651 0.640 0.632 0.624 0.622 0.622 0.622 - - -

Cv 12.3 4.94 8.80 11.8 13.1 13.8 14.1 14.2 14.2 14.2 14.2 0.83

3/4 1-5/16 33.3 3/4 19 Kv 10.6 4.27 7.61 10.2 11.3 11.9 12.2 12.3 12.3 12.3 12.3 - - -3/4 1-5/16 33.3 3/4 19XT 0.593 0.576 0.688 0.605 0.571 0.552 0.539 0.534 0.534 0.534 0.534 - - -

Cv 16.3 5.24 10.0 15.0 18.4 20.3 21.0 21.1 21.3 21.4 21.4 0.89

1 & 1-1/4 1-5/16 33.3 3/4 19 Kv 14.1 4.53 8.65 13.0 15.9 17.6 18.2 18.3 18.4 18.5 18.5 - - -1 & 1-1/4 1-5/16 33.3 3/4 19XT 0.661 0.540 0.664 0.656 0.660 0.641 0.650 0.663 0.654 0.648 0.650 - - -

Cv 24.4 7.60 15.1 22.3 28.2 33.4 37.0 38.0 38.0 38.0 38.0 0.94

1-7/8 47.6 3/4 19 Kv 21.1 6.57 13.1 19.3 24.4 28.9 32.0 32.9 32.9 32.9 32.9 - - -1-7/8 47.6 3/4 19XT 0.645 0.577 0.613 0.639 0.684 0.703 0.713 0.743 0.777 0.789 0.789 - - -

1-1/2Cv 18.0 4.83 10.4 16.2 21.4 25.6 28.2 29.8 30.2 30.3 30.4 0.94

1-5/16 33.3 3/4 19 Kv 15.6 4.18 9.00 14.0 18.5 22.1 24.4 25.8 26.1 26.2 26.3 - - -1-5/16 33.3 3/4 19XT 0.605 0.611 0.607 0.588 0.598 0.610 0.651 0.666 0.699 0.708 0.717 - - -

Cv 35.3 14.3 31.1 48.6 59.3 65.2 67.2 67.2 67.2 67.2 67.2 0.93

2-5/16 58.7 1-1/8 29 Kv 30.5 12.4 26.9 42.0 51.3 56.4 58.1 58.1 58.1 58.1 58.1 - - -2-5/16 58.7 1-1/8 29XT 0.607 0.633 0.627 0.619 0.732 0.758 0.771 0.797 0.810 0.810 0.810 - - -

2Cv 18.6 5.12 10.5 16.7 22.2 26.9 30.9 33.9 36.3 38.1 39.4 0.91

1-5/16 33.3 3/4 19 Kv 16.1 4.43 9.08 14.4 19.2 23.3 26.7 29.3 31.4 33.0 34.1 - - -1-5/16 33.3 3/4 19XT 0.560 0.588 0.617 0.565 0.571 0.640 0.722 0.796 0.826 0.785 0.734 - - -

Cv 35.3 21.8 42.0 66.6 83.8 91.1 93.1 93.1 93.1 93.1 93.1 0.91

2-7/8 73.0 1-1/2 38 Kv 30.5 18.9 36.3 57.6 72.5 78.8 80.5 80.5 80.5 80.5 80.5 - - -2-7/8 73.0 1-1/2 38XT 0.675 0.659 0.684 0.720 0.790 0.795 0.827 0.848 0.868 0.868 0.868 - - -

2-1/2Cv 26.1 7.40 15.5 23.3 31.4 39.8 48.4 56.1 61.7 62.3 69.2 0.95

1-7/8 47.6 3/4 19 Kv 22.6 6.40 13.4 20.2 27.2 34.4 41.9 48.5 53.4 53.9 59.9 - - -1-7/8 47.6 3/4 19XT 0.609 0.636 0.599 0.612 0.619 0.692 0.747 0.824 0.859 0.842 - - - - - -

Cv 37.4 23.3 45.5 78.3 106 120 130 136 143 146 150 0.87

3-7/16 87.3 1-1/2 38 Kv 32.4 20.2 39.4 67.7 91.7 104 112 118 124 126 130 - - -3-7/16 87.3 1-1/2 38XT 0.590 0.585 0.592 0.602 0.685 0.740 0.726 0.737 0.731 0.733 0.720 - - -

3Cv 36.3 14.7 32.4 51.2 68.8 83.1 94.3 103 108 112 115 0.91

2-5/16 58.7 1-1/8 29 Kv 31.4 12.7 28.0 44.3 59.5 71.9 81.6 89.1 93.4 96.9 99.5 - - -2-5/16 58.7 1-1/8 29XT 0.564 0.609 0.565 0.565 0.593 0.679 0.729 0.751 0.774 0.785 0.752 - - -

1. When using Type 655-EC as a control valve for on-off service, the maximum travel for sizing purposes is 3/4-inch (19 mm),2. When sizing self-operated regulators, use coefficients listed for 1/4-inch (6 mm) travel.3. At 100% travel.

Restricted trim.

Note: The coefficients shown on this page are also appropriate for the 1-1/2 to 4 inch Design ESR.

Port MaximumPortDiameter

MaximumTravel Valve Opening—Percent of Total Travel

ValveSize,

Inches Inches mm Inches(1) mm(1)

FlowCoeffi-cient

Coeffs.for 1/4 in.

(6 mm)Travel(2)

10 20 30 40 50 60 70 80 90 100FL

(3)

Cv 46.3 39.0 77.3 132 174 198 215 225 230 234 235 0.89

4-3/8 111.1 2 51 Kv 40.0 33.7 66.9 114 151 171 186 195 199 202 203 - - -4-3/8 111.1 2 51XT 0.647 0.642 0.691 0.714 0.763 0.768 0.763 0.769 0.775 0.783 0.780 - - -

4Cv 41.2 26.9 47.2 76.4 108 135 156 169 178 181 183 0.88

2-7/8 73.0 1-1/2 38 Kv 35.6 23.3 40.8 66.1 93.4 117 135 146 154 157 158 - - -2-7/8 73.0 1-1/2 38XT 0.613 0.524 0.683 0.669 0.664 0.688 0.741 0.783 0.763 0.752 0.736 - - -

Cv 102 89.9 162 255 322 365 395 418 436 455 469 0.82

7 177.8 2 51 Kv 88.2 77.8 140 221 279 316 342 362 377 394 406 - - -7 177.8 2 51XT 0.642 0.572 0.612 0.601 0.652 0.664 0.677 0.681 0.701 0.698 0.700 - - -

6Cv 66.1 49.8 108 164 217 255 274 282 290 291 302 0.90

4-3/8 111.1 2 51 Kv 57.2 43.1 93.4 142 188 221 237 244 251 252 261 - - -4-3/8 111.1 2 51XT 0.667 0.711 0.630 0.619 0.650 0.724 0.814 0.883 0.883 0.909 0.860 - - -

Cv 122 94.4 205 323 441 539 622 677 720 759 787 0.85

8 8 203.2 2 51 Kv 106 81.7 177 279 381 466 538 586 623 657 681 - - -8 8 203.2 2 51XT 0.616 0.683 0.607 0.575 0.603 0.682 0.726 0.772 0.809 0.814 0.814 - - -

Cv 122 156 337 490 612 700 759 796 827 844 875 0.85

8 8 203.2 3 76 Kv 106 135 292 424 529 606 657 689 715 730 757 - - -8 8 203.2 3 76XT 0.616 0.520 0.561 0.654 0.757 0.804 0.814 0.818 0.801 0.810 0.774 - - -

1. When using Type 655-EC as a control valve for on-off service, the maximum travel for sizing purposes is 3/4-inch (19 mm),2. When sizing self-operated regulators, use coefficients listed for 1/4-inch (6 mm) travel.3. At 100% travel.

Restricted trim.


Design ES

Quick Opening Cage

Classes 125 - 600


56789+# &'':()*+ H>./

Catalog 12



PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 2.27 4.12 6.23 8.54 11.0 13.4 15.8 17.8 19.3 20.1 0.89

1 & 1-1/4 1-5/16 33.3 3/4 19 Kv 1.96 3.56 5.39 7.39 9.52 11.6 13.7 15.4 16.7 17.4 - - -1 & 1-1/4 1-5/16 33.3 3/4 19XT 0.691 0.691 0.690 0.696 0.696 0.708 0.709 0.705 0.702 0.690 - - -

Cv 3.56 7.01 11.1 15.1 19.0 22.9 26.7 30.0 33.1 34.9 0.92

1-7/8 47.6 3/4 19 Kv 3.08 6.06 9.60 13.1 16.4 19.8 23.1 25.9 28.6 30.2 - - -1-7/8 47.6 3/4 19XT 0.628 0.582 0.604 0.647 0.683 0.699 0.715 0.737 0.741 0.764 - - -

1-1/2Cv 2.42 4.30 6.40 8.77 11.5 14.6 17.8 21.1 24.3 26.9 0.95

1-5/16 33.3 3/4 19 Kv 2.09 3.72 5.54 7.59 9.95 12.6 15.4 18.3 21.0 23.3 - - -1-5/16 33.3 3/4 19XT 0.648 0.682 0.712 0.693 0.664 0.678 0.701 0.732 0.756 0.799 - - -

Cv 8.49 17.1 25.9 35.3 44.4 52.9 59.2 62.0 63.9 65.3 0.91

2-5/16 58.7 1-1/8 29 Kv 7.34 14.8 22.4 30.5 38.4 45.8 51.2 53.6 55.3 56.5 - - -2-5/16 58.7 1-1/8 29XT 0.618 0.635 0.689 0.710 0.723 0.732 0.742 0.759 0.761 0.762 - - -

2Cv 2.22 4.11 6.06 8.25 11.0 14.3 18.0 21.8 26.0 30.9 0.91

1-5/16 33.3 3/4 19 Kv 1.92 3.56 5.24 7.14 9.52 12.4 15.6 18.9 22.5 26.7 - - -1-5/16 33.3 3/4 19XT 0.725 0.694 0.729 0.746 0.688 0.675 0.667 0.686 0.711 0.722 - - -

Cv 10.4 22.2 34.9 47.1 58.2 66.6 73.7 79.3 84.4 86.5 0.93

2-7/8 73.0 1-1/2 38 Kv 9.00 19.2 30.2 40.7 50.3 57.6 63.8 68.6 73.0 74.8 - - -2-7/8 73.0 1-1/2 38XT 0.672 0.727 0.739 0.776 0.783 0.832 0.858 0.877 0.854 0.866 - - -

2-1/2Cv 3.50 6.85 10.8 14.8 18.9 23.3 28.2 34.1 41.1 48.6 0.93

1-7/8 47.6 3/4 19 Kv 3.03 5.93 9.34 12.8 16.3 20.2 24.4 29.5 35.6 42.0 - - -1-7/8 47.6 3/4 19XT 0.617 0.627 0.679 0.716 0.740 0.752 0.783 0.774 0.778 0.783 - - -

Cv 15.3 34.3 52.8 71.4 87.8 101 112 121 129 135 0.89

3-7/16 87.3 1-1/2 38 Kv 13.2 29.7 45.7 61.8 75.9 87.4 96.9 105 112 117 - - -3-7/16 87.3 1-1/2 38XT 0.607 0.631 0.663 0.694 0.720 0.742 0.762 0.786 0.771 0.751 - - -

3Cv 6.39 13.0 20.7 29.1 38.2 47.9 58.0 68.4 79.3 88.8 0.91

2-5/16 58.7 1-1/8 29 Kv 5.53 11.2 17.9 25.2 33.0 41.4 50.2 59.2 68.6 76.8 - - -2-5/16 58.7 1-1/8 29XT 0.662 0.677 0.704 0.677 0.648 0.646 0.643 0.658 0.714 0.742 - - -

1. At 100% travel.2. If coefficients listed above for the 8 inch linear cage with 2 inch (51 mm) travel are not sufficient for your application, consider using the quick opening cage. The 8 inch quickopening cage with 2 inch (51 mm) travel has approximately a linear characteristic.

Restricted trim.


Design ES

Linear Cage

Classes 125 - 600


56789+# &'':()*+ H>.2



MaximumTravel

Flow Valve Opening—Percent of Total TravelF (1)Size,


FL(1)

Cv 23.7 46.4 72.9 98.2 122 145 165 183 199 212 0.89

4-3/8 111.1 2 51 Kv 20.5 40.1 63.1 84.9 106 125 143 158 172 183 - - -4-3/8 111.1 2 51XT 0.553 0.619 0.644 0.680 0.713 0.737 0.743 0.823 0.816 0.791 - - -

4Cv 10.6 22.5 35.0 47.5 60.2 73.1 88.0 103 120 139 0.93

2-7/8 73.0 1-1/2 38 Kv 9.17 19.5 30.3 41.1 52.1 63.2 76.1 89.1 104 120 - - -2-7/8 73.0 1-1/2 38XT 0.613 0.671 0.698 0.718 0.718 0.731 0.722 0.751 0.769 0.780 - - -

Cv 55.0 118 180 235 280 312 341 368 390 417 0.81

6 7 177.8 2 51 Kv 47.6 102 156 203 242 270 295 318 337 361 - - -6 7 177.8 2 51XT 0.597 0.683 0.701 0.687 0.767 0.791 0.787 0.792 0.794 0.745 - - -

Cv 15.7 35.8 60.2 86.2 115 146 179 215 247 271 0.89

6 4-3/8 111.1 2 51 Kv 13.6 31.0 52.1 74.6 99.5 126 180 186 214 234 - - -6 4-3/8 111.1 2 51XT 0.678 0.668 0.676 0.683 0.668 0.645 0.668 0.695 0.759 0.817 - - -

Cv 66.6 147 221 292 375 450 522 592 652 701 0.84

8(2) 8 203.2 2 51 Kv 57.6 127 191 253 324 389 452 512 564 606 - - -8 8 203.2 2 51XT 0.758 0.588 0.597 0.637 0.640 0.676 0.702 0.720 0.738 0.757 - - -

Cv 100 213 330 451 553 648 719 773 809 836 0.85

8 8 203.2 3 76 Kv 86.5 184 285 390 478 561 622 669 700 723 - - -8 8 203.2 3 76XT 0.616 0.624 0.669 0.691 0.738 0.747 0.762 0.780 0.787 0.799 - - -

1. At 100% travel.2. If coefficients listed above for the 8 inch linear cage with 2 inch (51 mm) travel are not sufficient for your application, consider using the quick opening cage. The 8 inch quickopening cage with 2 inch (51 mm) travel has approximately a linear characteristic.

Restricted trim.


Design ES

Linear Cage

Classes 125 - 600


56789+# &'':()*+ H>.;

Catalog 12



PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.783 1.29 1.86 2.71 4.18 6.44 9.54 13.1 15.7 17.4 0.95

1 & 1-1/4 1-5/16 33.3 3/4 19 Kv 0.677 1.12 1.61 2.34 3.62 5.57 8.25 11.3 13.6 15.1 - - -1 & 1-1/4 1-5/16 33.3 3/4 19XT 0.754 0.794 0.763 0.670 0.652 0.621 0.630 0.677 0.718 0.721 - - -

Cv 1.54 2.52 3.57 4.94 7.41 11.6 17.2 23.5 28.7 33.4 0.94

1-7/8 47.6 3/4 19 Kv 1.33 2.18 3.09 4.27 6.41 10.0 14.9 20.3 24.8 28.9 - - -1-7/8 47.6 3/4 19XT 0.674 0.670 0.694 0.731 0.706 0.681 0.698 0.692 0.789 0.793 - - -

1-1/2Cv 0.882 1.35 1.89 2.52 3.68 5.52 8.13 12.0 16.6 21.0 0.96

1-5/16 33.3 3/4 19 Kv 0.763 1.17 1.63 2.18 3.18 4.77 7.03 10.4 14.4 18.2 - - -1-5/16 33.3 3/4 19XT 0.858 0.845 0.867 0.810 0.833 0.755 0.776 0.766 0.766 0.766 - - -

Cv 1.74 3.15 4.72 6.91 10.6 16.3 25.0 36.7 47.8 56.2 0.92

2-5/16 58.7 1-1/8 29 Kv 1.51 2.72 4.08 5.98 9.17 14.1 21.6 31.7 41.3 48.6 - - -2-5/16 58.7 1-1/8 29XT 0.863 0.848 0.849 0.805 0.782 0.778 0.792 0.772 0.847 0.848 - - -

2Cv 0.849 1.34 1.83 2.39 3.43 5.12 7.49 11.2 15.8 20.8 0.91

1-5/16 33.3 3/4 19 Kv 0.734 1.16 1.58 2.07 2.97 4.43 6.48 9.69 13.7 18.0 - - -1-5/16 33.3 3/4 19XT 0.844 0.778 0.803 0.767 0.791 0.764 0.764 0.764 0.755 0.728 - - -

Cv 4.05 7.19 10.6 14.5 21.2 31.6 45.5 64.2 77.7 82.7 0.93

2-7/8 73.0 1-1/2 38 Kv 3.50 6.22 9.17 12.5 18.3 27.3 39.4 55.5 67.2 71.5 - - -2-7/8 73.0 1-1/2 38XT 0.747 0.768 0.745 0.779 0.764 0.744 0.783 0.802 0.841 0.878 - - -

2-1/2Cv 1.43 2.37 3.34 4.76 7.25 11.3 17.3 24.2 31.8 40.3 0.95

1-7/8 47.6 3/4 19 Kv 1.24 2.05 2.89 4.12 6.27 9.77 15.0 20.9 27.5 34.9 - - -1-7/8 47.6 3/4 19XT 0.664 0.721 0.741 0.765 0.679 0.681 0.678 0.681 0.748 0.744 - - -

Cv 4.05 6.84 10.0 15.0 23.8 37.8 59.0 87.1 110 121 0.89

3-7/16 87.3 1-1/2 38 Kv 3.50 5.92 8.65 13.0 20.6 32.7 51.0 75.3 95.2 105 - - -3-7/16 87.3 1-1/2 38XT 0.768 0.757 0.761 0.757 0.758 0.571 0.754 0.756 0.758 0.757 - - -

3Cv 2.74 3.44 4.86 6.95 10.6 16.5 25.0 37.7 52.7 67.5 0..94

2-5/16 58.7 1-1/8 29 Kv 2.37 2.98 4.20 6.01 9.17 14.3 21.6 32.6 45.6 58.4 - - -2-5/16 58.7 1-1/8 29XT 0.753 0.748 0.756 0.783 0.786 0.741 0.736 0.732 0.737 0.738 - - -

Cv 6.56 11.4 17.3 27.0 42.2 66.4 103 146 184 203 0.91

4-3/8 111.1 2 51 Kv 5.67 9.86 15.0 23.4 36.5 57.4 89.1 126 159 176 - - -4-3/8 111.1 2 51XT 0.722 0.717 0.739 0.772 0.738 0.718 0.718 0.736 0.792 0.822 - - -

4Cv 3.96 7.14 10.6 14.5 21.1 31.7 48.0 69.7 95.6 121 0.94

2-7/8 73.0 1-1/2 38 Kv 3.43 6.18 9.17 12.5 18.3 27.4 41.5 60.3 82.7 105 - - -2-7/8 73.0 1-1/2 38XT 0.792 0.803 0.770 0.767 0.760 0.725 0.703 0.717 0.763 0.764 - - -


Notes: The coefficients shown on this page are also appropriate for the 1-1/2 to 4 in. Design ESR.

Design ES

Equal Percentage Cage

Classes 125 - 600


56789+# &'':()*+ H>.3



MaximumTravel



FL(1)

Cv 13.2 24.6 41.1 62.5 97.1 155 223 286 326 357 0.86

7 177.8 2 51 Kv 11.4 21.3 35.6 54.1 84.0 134 193 247 282 309 - - -7 177.8 2 51XT 0.723 0.737 0.767 0.846 0.803 0.781 0.808 0.826 0.847 0.816 - - -

6Cv 4.96 9.02 14.0 24.2 39.4 60.8 94.6 144 199 233 0.91

4-3/8 111.1 2 51 Kv 4.29 7.80 12.1 20.9 34.1 52.6 81.8 125 172 202 - - -4-3/8 111.1 2 51XT 0.842 0.792 0.778 0.709 0.723 0.739 0.729 0.706 0.719 0.806 - - -

Cv 18.8 33.6 53.6 79.8 114 168 242 345 467 570 0.85

8 8 203.2 2 51 Kv 16.3 29.1 46.4 69.0 98.6 145 209 298 404 493 - - -8 8 203.2 2 51XT 0.874 0.865 0.769 0.748 0.731 0.697 0.712 0.707 0.697 0.694 - - -

Cv 25.9 53.3 97.8 178 299 461 618 727 768 808 0.85

8 8 203.2 3 76 Kv 22.4 46.1 84.6 154 259 399 535 629 664 699 - - -8 8 203.2 3 76XT 0.825 0.728 0.681 0.616 0.678 0.716 0.735 0.793 0.825 0.827 - - -


Notes: The coefficients shown on this page are also appropriate for the 1-1/2 to 4 in. Design ESR.

Design ES

Equal Percentage Cage

Classes 125 - 600


56789+# &'':()*+ H>.<

Catalog 12


Port MaximumValveSize,(1)

PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total TravelSize,(1)


Cv 3.16 6.97 11.8 15.1 16.5 17.2 17.3 17.4 17.4 18.4

1 & 1-1/4 1-5/16 33.3 3/4 19 Kv 2.73 6.03 10.2 13.1 14.3 14.9 15.0 15.1 15.1 15.91 & 1-1/4 1-5/16 33.3 3/4 19XT 0.828 0.747 0.553 0.570 0.645 0.667 0.686 0.694 0.709 0.678

Cv 3.42 8.78 14.6 22.2 27.7 31.6 34.0 35.1 36.0 37.2

1-7/8 47.6 3/4 19 Kv 2.96 7.59 12.6 19.2 24.0 27.3 29.4 30.4 31.1 32.21-7/8 47.6 3/4 19XT 0.635 0.649 0.594 0.455 0.457 0.504 0.563 0.625 0.648 0.640

1-1/2Cv 2.84 6.74 11.3 17.4 22.1 25.6 27.7 28.7 29.1 29.3

1-5/16 33.3 3/4 19 Kv 2.46 5.83 9.77 15.1 19.1 22.1 24.0 24.8 25.2 25.31-5/16 33.3 3/4 19XT 0.669 0.709 0.563 0.424 0.401 0.428 0.487 0.569 0.661 0.711

Cv 8.27 21.8 35.3 47.3 55.1 60.2 63.2 65.3 66.8 67.8

2-5/16 58.7 1-1/8 29 Kv 7.15 18.9 30.5 40.9 47.7 52.1 54.7 56.5 57.8 58.62-5/16 58.7 1-1/8 29XT 0.647 0.411 0.347 0.352 0.409 0.499 0.577 0.622 0.647 0.656

2Cv 3.62 7.07 12.2 18.4 23.3 27.6 31.1 34.0 35.8 37.0

1-5/16 33.3 3/4 19 Kv 3.13 6.12 10.6 15.9 20.2 23.9 26.9 29.4 31.0 32.01-5/16 33.3 3/4 19XT 0.620 0.769 0.559 0.420 0.390 0.396 0.408 0.440 0.475 0.494

Cv 12.8 33.9 55.0 70.6 80.0 85.4 88.5 90.3 91.1 91.7

2-7/8 73.0 1-1/2 38 Kv 11.1 29.3 47.6 61.1 69.2 73.9 76.6 78.1 78.8 79.32-7/8 73.0 1-1/2 38XT 0.766 0.476 0.377 0.388 0.460 0.540 0.590 0.631 0.660 0.669

2-1/2Cv 3.07 8.65 15.3 23.4 31.2 36.8 43.4 48.3 52.1 55.8

1-7/8 47.6 3/4 19 Kv 2.66 7.48 13.2 20.2 27.0 31.8 37.5 41.8 45.1 48.31-7/8 47.6 3/4 19XT 0.766 0.766 0.613 0.450 0.384 0.389 0.380 0.399 0.420 0.428

Cv 11.1 36.0 60.3 81.9 99.6 111 119 124 128 131

3-7/16 87.3 1-1/2 38 Kv 9.60 31.1 52.2 70.8 86.2 96.0 103 107 111 1133-7/16 87.3 1-1/2 38XT 0.766 0.649 0.451 0.415 0.416 0.469 0.522 0.566 0.595 0.603

3Cv 6.63 18.1 30.8 43.4 56.1 67.1 77.8 87.2 95.9 102

2-5/16 58.7 1-1/8 29 Kv 5.73 15.7 26.6 37.5 48.5 58.0 67.3 75.4 83.0 88.22-5/16 58.7 1-1/8 29XT 0.766 0.662 0.483 0.424 0.395 0.387 0.385 0.387 0.395 0.397

Cv 25.1 56.5 85.6 111 128 139 147 151 208 211

4-3/8 111.1 2 51 Kv 21.7 48.9 74.0 96.0 111 120 127 131 180 1834-3/8 111.1 2 51XT 1.222 0.807 0.683 0.680 0.786 0.909 1.017 1.109 0.635 0.645

4Cv 12.8 33.9 56.6 76.4 96.3 114 130 143 156 164

2-7/8 73.0 1-1/2 38 Kv 11.1 29.3 49.0 66.1 83.3 98.6 112 124 135 1422-7/8 73.0 1-1/2 38XT 0.766 0.471 0.350 0.332 0.317 0.325 0.331 0.349 0.361 0.377

Cv 54.1 114 174 231 281 319 349 369 387 401

6 7 177.8 2 51 Kv 46.8 98.6 151 200 243 276 302 319 335 3476 7 177.8 2 51XT 0.407 0.453 0.409 0.367 0.383 0.419 0.450 0.487 0.514 0.532

Cv 84.6 229 360 462 531 607 660 695 712 735

3 76 Kv 73.2 198 311 400 459 525 571 601 616 6363 76XT 0.729 0.409 0.346 0.354 0.410 0.451 0.507 0.560 0.602 0.633

8 8 203.2Cv 132 318 464 566 641 693 724 742 760 773

4 29 Kv 114 275 401 490 554 599 626 642 657 6694 29XT 0.499 0.358 0.371 0.422 0.482 0.542 0.604 0.659 0.682 0.675

1. 6-inch E-body with restricted Whisper Trim not available. Use EW body where this trim is desired.- Restricted trim.

Notes: The coefficients shown on this page are also appropriate for the 1-1/2 to 4-inch Design ESR.

Design ES

Whisper Trim" I Cage

Classes 125 - 600

Flow Up through the Port


56789+# &'':()*+ H>.4


Whisper Trim III LinearCharacteristic (1)

Port MaximumValveSize,(2)

PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total TravelX (3)Size,(2)


XT(3)

A3 """"P/P1!!!!0.6

Cv 4.67(4) 74.0 111 147 183 219 254 288 322 353 0.5636 5-3/8 136.5 3 76

Kv 4.04 64.0 96.0 127 158 189 220 249 279 305 - - -

B3 """"P/P1!!!!0.75

Cv 4.67(4) 41.3 61.7 82.3 103 123 144 164 184 203 0.5636 5-3/8 136.5 3 76

Kv 4.04 35.7 53.4 71.2 89.1 106 125 142 159 176 - - -

C3 """"P/P1!!!!0.85

Cv 4.67(4) 28.0 41.3 55.3 69.3 83.0 97.0 110 124 138 0.5636 5-3/8 136.5 3 76

Kv 4.04 24.2 35.7 47.8 59.9 71.8 83.9 95.2 107 119 - - -

D3 """"P/P1!!!!0.99

Cv 4.67(4) 6.67 9.50 19.9 31.4 46.0 61.0 75.7 89.7 104 0.5636 5-3/8 136.5 3 76

Kv 4.04 5.77 8.22 17.2 27.2 39.8 52.8 65.5 77.6 90.0 - - -1. Level D exhibits an equal percentage characteristic for the first 1-1/2 inches (38 mm) of travel, then linear characteristic.2. 6-inch E-body with restricted Whisper Trim not available. Use EW body where this trim is desired.3. This column lists XT factors for Whisper Trim III cages at 100% travel.4. This coefficient is minimum rather than 10% open. Valves should not be required to throttle at less than the speicified minimum coefficient for an extended period of time. Erosiondamage to the valve may result.

Notes: The coefficients shown on this page are also appropriate for the 1-1/2 to 4-inch Design ESR.

Design ES

Whisper Trim" III Cage

Classes 125 - 600



56789+# &'':()*+ H>.:

Catalog 12

Quick Opening, Linear &Equal Percentage Cages

Design ESR


56789+# &'':()*+ H>I.&-H>I./


Quick Opening - Flow Down Quick OpeningCharacteristic

Port TotalValveSize,

PortDiameter

TotalTravel

FlowCoeffi-



FL(1)

Cv 4.58 8.79 12.8 15.4 17.2 18.3 18.5 18.5 18.7 18.7 0.93

1 1-5/16 33.3 3/4 19 Kv 3.96 7.60 11.1 13.3 14.9 15.8 16.0 16.0 16.2 16.2 - - -1 1-5/16 33.3 3/4 19XT 0.697 0.694 0.696 0.699 0.698 0.701 0.711 0.711 0.696 0.696 - - -

Linear Cage - Flow Down LinearCharacteristic

Cv 2.32 3.99 5.86 7.94 10.1 12.2 14.1 15.8 16.6 16.9 0.95

1 1-5/16 33.3 3/4 19 Kv 2.01 3.45 5.07 6.87 8.74 10.6 12.2 13.7 14.4 14.6 - - -1 1-5/16 33.3 3/4 19XT 0.727 0.726 0.765 0.788 0.781 0.773 0.786 0.777 0.798 0.798 - - -

Equal Percentage Cage - Flow Down Equal PercentageCharacteristic

Cv 0.91 1.46 2.03 2.76 3.95 5.74 8.14 11.3 13.8 15.5 0.94

1 1-5/16 33.3 3/4 19 Kv 0.787 1.26 1.76 2.39 3.42 4.97 7.04 9.77 11.9 13.4 - - -1 1-5/16 33.3 3/4 19XT 0.914 0.824 0.840 0.778 0.808 0.805 0.815 0.787 0.794 0.744 - - -

1. At 100% travel.

Notes: The Design ESR coefficients for the 1-1/2 thru 4 in. body sizes are identical to the Class 125 through 600 Designs ES coefficients. Please refer tothe Design ES.

Cavitrol" III CageDesign ET


56789+# &'':()*+ H@..&


Class 600 - Flow Down LinearCharacteristic


PortDiameter

TotalTravel

MinimumThrottling

FlowCoeffi-


Inches Inches mm Inches mmThrottling

Cv(1)

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(3)

One Stage

Cv 0.25 0.48 2.36 5.04 7.36 9.47 11.2 13.1 14.6 15.5 0.901 1-5/16 33.3 1 25.4 1.9

Kv 0.216 0.415 2.04 4.36 6.37 8.19 9.69 11.3 12.6 13.4 - - -

Cv 0.59 0.72 2.54 6.03 9.32 12.8 15.6 18.2 20.8 22.5 0.931-1/2 1-7/8 47.6 7/8 22.2 2.5

Kv 0.510 0.623 2.20 5.22 8.06 11.1 13.5 15.7 18.0 19.5 - - -

Cv 0.84 1.49 6.68 12.3 17.3 22.1 26.7 30.9 34.4 36.1 0.932 2-5/16 58.7 1-1/8 28.6 3.9

Kv 0.727 1.29 5.78 10.6 15.0 19.1 23.1 26.7 29.8 31.2 - - -

Cv 0.84 6.83 16.2 25.0 33.0 41.2 48.8 55.5 61.7 64.4 0.912-1/2 2-7/8 73.0 1-1/2 38.1(2) 4.2

Kv 0.727 5.91 14.0 21.6 28.5 35.6 42.2 48.0 53.4 55.7 - - -

Cv 1.65 10.8 22.3 34.3 45.3 55.5 64.7 72.7 80.0 86.7 0.893 3-7/16 87.3 1-5/8 41.3(2) 4.6

Kv 1.43 9.34 19.3 29.7 39.2 48.0 56.0 62.9 69.2 75.0 - - -

Cv 3.47 22.7 43.3 63.4 81.8 100 116 131 144 151 0.904 4-3/8 111.1 2-1/8 54.0(2) 5.2

Kv 3.00 19.6 37.5 54.8 70.8 86.5 100 113 125 131 - - -

Cv 4.6 30.0 65.3 99.7 134 165 195 219 241 259 0.916 7 177.8 2-1/4 57.2 10

Kv 4.0 25.9 56.5 86.2 116 143 169 189 208 224 - - -

Cv 16.2 70.2 124 176 227 276 324 370 412 439 0.948 8 203.2 3-3/8 85.7 15

Kv 14.0 60.7 107 152 196 239 280 320 356 380 - - -

Two Stage

Cv 0.11 0.41 1.08 1.75 2.43 3.10 3.78 4.45 5.12 5.80 0.981 1 25.4 1 25 0.28

Kv 0.095 0.355 0.934 1.51 2.10 2.68 3.27 3.85 4.43 5.02 - - -

Cv 0.22 1.20 2.23 3.26 4.29 5.31 6.355 7.37 8.40 9.40 0.981-1/2 1-5/16 33.3 1-1/2 38 0.44

Kv 0.19 1.04 1.93 2.82 3.71 4.59 5.50 6.38 7.27 8.13 - - -

Cv 0.80 3.05 5.29 7.56 9.83 12.1 14.3 16.5 18.8 21.0 0.982 1-7/8 47.6 2 51 0.92

Kv 0.692 2.64 4.58 6.54 8.50 10.5 12.4 14.3 16.3 18.2 - - -

Cv 1.75 5.25 8.71 12.2 15.6 19.1 22.6 26.1 29.6 33.0 0.982-1/2 2-5/16 58.7 2-1/2 64 1.10

Kv 1.51 4.54 7.53 10.6 13.5 16.5 19.5 22.6 25.6 28.5 - - -

Cv 3.14 8.23 13.3 18.5 23.5 28.7 33.8 38.9 44.0 49.0 0.983 2-7/8 73.0 3 76 1.20

Kv 2.72 7.12 11.5 16.0 20.3 24.8 29.2 33.6 38.1 42.4 - - -

Cv 2.83 11.2 19.4 27.4 35.5 43.2 50.5 57.1 63.2 69.0 0.984 2-7/8 73.0 4 102 1.90

Kv 2.45 9.69 16.8 23.7 30.7 37.4 43.7 49.4 54.7 59.7 - - -

Cv 6.05 22.5 38.0 53.7 69.4 85.2 100 115 130 144 0.986 5-3/8 136.5 4 102 3.00

Kv 5.23 19.5 32.9 46.5 60.0 73.7 86.5 99.5 112 125 - - -

Cv 19.8 47.5 74.5 101 129 156 184 211 238 265 0.988 7 177.8 6 152 7.00

Kv 17.1 41.1 64.4 87.4 112 135 159 183 206 229 - - -1. Valves should not be required to throttle at a Cv less than the specified minimum Cv for an extended period of time. Erosion damage to the valve seats may result.2. Less than fully available travel.3. At 100% travel.

Notes: All other Design ET flow coefficients are identical to the Design ED. Refer to the Design ED information using all flange ratings and cagestyles. For additional Design ET body information refer to Bulletin 51.1:ET.

The Design ET-C valve has flow coefficients identical to the 3- through 8-inchsizes of the Design ED valve with full-sized port. Please refer to those coeffi-cients. For additional Design ET-C valve information, refer to Bulletin51.1:easy-e" Cryogenic.

Design ET-C

easy-e is a mark owned by Fisher ControlsInternational, Inc.Printed in U.S.A. on recycled paper.!Fisher Controls International, Inc., 1995, 1999;All Rights Reserved

!"#$% &'''()*+ H@./

Catalog 12

Design ETR


56789+# &'':()*+ [email protected]@.;


The Design ETR valve has flow coefficients identical to the 1-4 inch sizes of theClasses 125-600 Design ED valve. Please refer to those coefficients. For addi-tional Design ETR body information, refer to Bulletin 51.1:ET.

Linear CagesFlow Down

Design EUD and EUT-2Class 150, 300, and 600


56789+# &'':()*+ HK..&




PortDiameter

TotalTravel

Con--struc--

FlowCoeffi-

Valve Opening—Percent of Total TravelFSize,

Inches Inches mm Inches mmstruc--tion(1)

Coeffi-cient Min.(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 40 155 300 450 610 770 940 1100 1250 1390 1500 0.88

11.00 279.4 4.00 102 SNC Kv 34.6 134 260 389 528 666 813 952 1081 1202 1298 - - -11.00 279.4 4.00 102 SNCXT 0.391 0.609 0.678 0.676 0.645 0.654 0.693 0.746 0.789 0.799 0.792 - - -

12Cv 40 190 375 570 770 980 1180 1360 1500 1570 1570 0.88

11.00 279.4 5.00 127 SNC Kv 34.6 164 324 493 666 848 1021 1176 1298 1358 1358 - - -11.00 279.4 5.00 127 SNCXT 0.391 0.644 0.683 0.644 0.654 0.704 0.769 0.805 0.792 0.775 0.818 - - -

Cv 46 270 520 790 1080 1380 1690 1980 2240 2450 2630 0.88

14.75 374.7 4.00 102 SNC Kv 39.8 234 450 683 934 1194 1462 1713 1938 2119 2275 - - -14.75 374.7 4.00 102 SNCXT 0.391 0.643 0.684 0.667 0.645 0.650 0.664 0.694 0.721 0.749 0.755 - - -

16Cv 46 335 650 1000 1380 1770 2120 2410 2630 2780 2860 0.88

14.75 374.7 5.00 127 SNC Kv 39.8 290 562 865 1194 1531 1834 2085 2275 2405 2474 - - -14.75 374.7 5.00 127 SNCXT 0.391 0.650 0.677 0.652 0.650 0.666 0.709 0.745 0.755 0.739 0.763 - - -

Cv 56 315 625 920 1230 1570 1920 2260 2530 2800 3010 0.89

18.25 436.6 8.00 203 SND Kv 48.4 272 541 796 1064 1358 1661 1955 2188 2422 2604 - - -18.25 436.6 8.00 203 SNDXT 0.391 0.655 0.653 0.673 0.671 0.649 0.650 0.650 0.663 0.667 0.684 - - -

Cv 56 255 670 1030 1460 1930 2370 2780 3100 3390 3650 0.89

18.25 463.6 10.88 276 SND Kv 48.4 221 580 891 1263 1669 2050 2405 2682 2932 3157 - - -18.25 463.6 10.88 276 SNDXT 0.391 0.648 0.656 0.681 0.656 0.649 0.653 0.667 0.690 0.719 0.733 - - -

Cv 56 375 865 1370 1940 2460 2910 3330 3700 4000 4220 0.89

18.25 463.6 14.88 378 LND Kv 48.4 324 748 1185 1678 2128 2517 2880 3201 3460 3650 - - -18.25 463.6 14.88 378 LNDXT 0.391 0.651 0.674 0.668 0.651 0.661 0.676 0.707 0.736 0.755 0.748 - - -

20Cv 60 340 675 990 1340 1710 2110 2420 2720 2960 3180 0.89

19.75 501.7 8.00 203 SND Kv 51.9 294 584 856 1159 1479 1825 2093 2353 2560 2751 - - -19.75 501.7 8.00 203 SNDXT 0.391 0.654 0.664 0.682 0.668 0.656 0.647 0.659 0.665 0.681 0.694 - - -

Cv 60 465 905 1370 1880 2360 2760 3080 3350 3610 3830 0.89

19.75 501.7 10.88 276 SND Kv 51.9 402 783 1185 1626 2041 2387 2664 2898 3123 3313 - - -19.75 501.7 10.88 276 SNDXT 0.391 0.650 0.673 0.665 0.654 0.657 0.669 0.685 0.711 0.726 0.742 - - -

Cv 60 410 935 1500 2130 2650 3070 3510 3870 4150 4340 0.89

19.75 501.7 14.88 378 LND Kv 51.9 355 809 1298 1842 2292 2656 3036 3348 3590 3754 - - -19.75 501.7 14.88 378 LNDXT 0.391 0.648 0.678 0.659 0.648 0.661 0.690 0.718 0.749 0.753 0.737 - - -


56789+# &'':()*+ HK./

Catalog 12



PortDiameter

TotalTravel

Con--struc--

FlowCoeffi-



Coeffi-cient Min.(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 21 37.0 68.6 99.4 135 183 261 366 502 669 873 0.78

11.00 279.4 4.00 102 SNC Kv 18.2 32.0 59.3 86.0 117 158 226 317 434 579 755 - - -11.00 279.4 4.00 102 SNCXT 0.391 0.750 0.739 0.728 0.698 0.656 0.604 0.574 0.574 0.593 0.625 - - -

12Cv 21 46.2 83.6 123 183 280 424 618 873 1190 1380 0.78

11.00 279.4 5.00 127 SNC Kv 18.2 40.0 72.3 106 158 242 367 535 755 1029 1194 - - -11.00 279.4 5.00 127 SNCXT 0.391 0.750 0.737 0.715 0.656 0.595 0.570 0.578 0.625 0.692 0.804 - - -

Cv 23 49.0 87.0 130 188 274 426 640 915 1250 1630 0.78

14.75 374.7 4.00 102 SNC Kv 19.9 42.4 75.3 112 163 237 368 554 791 1081 1410 - - -14.75 374.7 4.00 102 SNCXT 0.391 0.625 0.634 0.668 0.673 0.643 0.591 0.574 0.577 0.593 0.621 - - -

16Cv 23 58.1 106 166 274 464 758 1150 1630 2210 2540 0.78

14.75 374.7 5.00 127 SNC Kv 19.9 50.3 91.7 144 237 401 656 995 1410 1912 2197 - - -14.75 374.7 5.00 127 SNCXT 0.391 0.613 0.647 0.689 0.643 0.585 0.565 0.589 0.621 0.623 0.685 - - -

Cv 25 67.5 113 174 282 439 726 1170 1700 2200 2680 0.80

18.25 463.6 8.00 203 SND Kv 21.6 58.4 97.7 151 244 380 628 1012 1471 1903 2318 - - -18.25 463.6 8.00 203 SNDXT 0.391 0.677 0.624 0.647 0.681 0.645 0.584 0.566 0.585 0.602 0.621 - - -

Cv 25 76.8 132 204 333 535 880 1390 2000 2570 3250 0.80

18.25 463.6 10.88 276 SND Kv 21.6 66.4 114 176 288 463 761 1202 1730 2223 2811 - - -18.25 463.6 10.88 276 SNDXT 0.391 0.657 0.633 0.666 0.670 0.616 0.580 0.573 0.597 0.622 0.628 - - -

Cv 25 86.4 154 241 396 658 1080 1660 2360 3140 3760 0.80

18.25 463.6 14.88 378 LND Kv 21.6 74.7 133 208 343 569 934 1436 2041 2716 3252 - - -18.25 463.6 14.88 378 LNDXT 0.391 0.629 0.643 0.678 0.653 0.595 0.566 0.581 0.613 0.624 0.658 - - -

20Cv 30 69.8 117 180 293 460 759 1220 1760 2280 2800 0.80

19.75 501.7 8.00 203 SND Kv 25.9 60.4 101 156 253 398 657 1055 1522 1972 2422 - - -19.75 501.7 8.00 203 SNDXT 0.391 0.673 0.628 0.656 0.681 0.638 0.584 0.566 0.591 0.608 0.623 - - -

Cv 30 79.3 137 213 348 562 924 1450 2080 2700 3410 0.80

19.75 501.7 10.88 276 SND Kv 25.9 68.6 119 184 301 486 799 1254 1799 2336 2950 - - -19.75 501.7 10.88 276 SNDXT 0.391 0.651 0.636 0.665 0.659 0.613 0.578 0.576 0.603 0.621 0.627 - - -

Cv 30 88.6 160 250 412 693 1130 1730 2460 3300 3860 0.80

19.75 501.7 14.88 378 LND Kv 25.9 76.6 138 216 356 599 977 1496 2128 2855 3339 - - -19.75 501.7 14.88 378 LNDXT 0.391 0.620 0.645 0.686 0.651 0.590 0.569 0.587 0.616 0.621 0.677 - - -

1. Construction—SNC = short neck, cast windows; SND = short neck, drilled windows; LND = long neck, drilled windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might result.

Equal Percentage CagesFlow Down


Whisper Trim" III

Design EUD and EUT--2Class 150, 300, and 600


56789+# &'':()*+ HK..2

Catalog 12Cavitrol, Fisher, Fisher-Rosemount, and Whisper Trim are marks ownedby Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.All other marks are the property of their respective owners.

Design EUD and EUT-2Whisper Trim III Trim—Level A1Flow Up

LinearCharacteristic


PortDiameter

TotalTravel

Con--struc--

FlowCoeffi-



Coeffi-cient Min.(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 40 197 452 678 879 1075 1258 1397 1471 1536 1599 0.89

12 11.00 279.4 8.00 203 LN Kv 34.6 170 391 586 760 930 1088 1208 1272 1329 1383 - - -12 11.00 279.4 8.00 203 LNXT 0.391 0.395 0.411 0.455 0.498 0.520 0.549 0.592 0.649 0.670 0.676 - - -

Cv 46 300 629 931 1201 1459 1713 1953 2159 2310 2381 0.89

14.75 374.7 8.00 203 LN Kv 39.8 260 544 805 1039 1262 1482 1689 1868 1998 2060 - - -14.75 374.7 8.00 203 LNXT 0.391 0.392 0.409 0.440 0.475 0.501 0.520 0.542 0.570 0.609 0.659 - - -

Cv 46 337 713 1040 1330 1620 1900 2140 2310 2390 2490 0.89

14.75 374.7 8.88 226 LN Kv 39.8 292 617 900 1150 1401 1644 1851 1998 2067 2154 - - -14.75 374.7 8.88 226 LNXT 0.391 0.388 0.412 0.450 0.478 0.513 0.533 0.564 0.609 0.664 0.671 - - -

Cv 52 331 698 1022 1309 1593 1868 2109 2286 2380 2474 0.89

16.25 412.8 8.00 203 LN Kv 45.0 286 604 884 1132 1378 1616 1824 1977 2059 2140 - - -16.25 412.8 8.00 203 LNXT 0.391 0.394 0.411 0.446 0.486 0.510 0.532 0.559 0.601 0.654 0.670 - - -

16Cv 52 374 740 1133 1452 1766 2051 2266 2380 2484 2559 0.89

16.25 412.8 8.88 226 LN Kv 45.0 324 640 980 1256 1528 1774 1960 2059 2149 2214 - - -16.25 412.8 8.88 226 LNXT 0.391 0.395 0.421 0.462 0.499 0.523 0.553 0.596 0.653 0.671 0.680 - - -

Cv 46 372 779 1128 1446 1759 2044 2260 2377 2480 2556 0.89

14.75 374.7 9.88 251 LN-S Kv 39.8 322 674 976 1251 1522 1768 1955 2056 2145 2211 - - -14.75 374.7 9.88 251 LN-SXT 0.391 0.390 0.421 0.460 0.498 0.523 0.551 0.594 0.651 0.670 0.680 - - -

Cv 52 413 854 1228 1577 1915 2190 2355 2463 2553 2593 0.89

16.25 412.8 9.88 251 LN-S Kv 45.0 357 739 1062 1364 1656 1894 2037 2130 2208 2243 - - -16.25 412.8 9.88 251 LN-SXT 0.391 0.396 0.426 0.474 0.509 0.535 0.575 0.634 0.669 0.678 0.691 - - -

Cv 56 506 1066 1565 2007 2441 2864 3238 3520 3680 3819 0.89

18.25 463.6 10.88 276 SN Kv 48.4 438 922 1354 1736 2111 2477 2801 3045 3183 3303 - - -18.25 463.6 10.88 276 SNXT 0.391 0.394 0.410 0.446 0.483 0.508 0.529 0.556 0.596 0.646 0.668 - - -

Cv 60 549 1156 1681 2152 2620 3058 3415 3641 3782 3921 0.89

19.75 501.7 10.88 276 SN Kv 51.9 475 1000 1454 1861 2266 2645 2954 3149 3271 3392 - - -19.75 501.7 10.88 276 SNXT 0.391 0.394 0.415 0.456 0.494 0.518 0.541 0.579 0.629 0.667 0.675 - - -

20Cv 56 654 1347 1934 2485 3014 3434 3673 3847 3976 4027 0.89

18.25 463.6 13.88 353 LN Kv 48.4 566 1165 1673 2150 2607 2970 3177 3328 3439 3483 - - -18.25 463.6 13.88 353 LNXT 0.391 0.398 0.429 0.476 0.512 0.538 0.581 0.642 0.670 0.680 0.693 - - -

Cv 60 659 1356 1945 2500 3030 3447 3679 3856 3982 4028 0.89

19.75 501.7 12.88 327 LN Kv 51.9 570 1173 1682 2163 2621 2982 3182 3335 3444 3484 - - -19.75 501.7 12.88 327 LNXT 0.391 0.397 0.431 0.478 0.513 0.539 0.583 0.646 0.670 0.681 0.694 - - -

1. Construction—LN = long-neck valve; LN-S = long neck valve with bonnet spacer; SN = short-neck valve.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might occur.


56789+# &'':()*+ HK.;

Catalog 12

Design EUD and EUT-2Cavitrol III Trim—One StageFlow Down



PortDiameter

TotalTravel

Con--struc--

FlowCoeffi-



Coeffi-cient Min.(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 40 132 302 462 607 736 849 946 1030 1100 1160 0.9111.00 279.4 8.00 203 SND

Kv 34.6 114 261 400 525 637 734 818 891 952 1003 - - -12

Cv 40 151 338 512 666 801 915 1010 1090 1160 1210 0.9111.00 279.4 8.88 226 SND

Kv 34.6 131 292 443 576 693 791 874 943 1003 1047 - - -

Cv 46 177 408 632 844 1040 1230 1390 1540 1670 1790 0.9114.75 374.7 8.00 203 SND

Kv 39.8 153 353 547 730 900 1064 1202 1332 1445 1548 - - -16

Cv 46 261 571 862 1130 1360 1560 1740 1890 2010 2120 0.9114.75 374.7 10.88 276 LND

Kv 39.8 226 494 746 977 1176 1349 1505 1635 1739 1834 - - -

Cv 56 323 710 1080 1430 1750 2030 2290 2520 2720 2890 0.9118.25 436.6 10.88 276 SND

Kv 48.4 279 614 934 1237 1514 1756 1981 2180 2353 2500 - - -20

Cv 56 467 985 1460 1890 2260 2570 2830 3040 3220 3370 0.9118.25 436.6 14.88 378 LND

Kv 48.4 404 852 1263 1635 1955 2223 2448 2630 2785 2915 - - -1. Construction—SND = short-neck valve, drilled windows; LND = long-neck valve, drilled windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might occur.

Cavitrol" III Trim



56789+# &'':()*+ HB.&



Port Coeffs. MaximumValveSize,

PortDiameter for

1/4 in.

MaximumTravel Flow

Coeffi-Valve Opening—Percent of Total Travel

FL(3)Size,

Inches(1)Inches mm

1/4 in.(6 mm)

Travel (2) Inches mm

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL

Cv 13.8 26.5 42.7 61.8 78.1 93.3 105 114 119 124 0.82

4 x 2 2-5/16 58.7 29.8 1-1/8 29 Kv 11.9 22.9 36.9 53.5 67.6 80.7 90.8 98.6 103 107 - - -4 x 2 2-5/16 58.7 29.8 1-1/8 29XT 0.571 0.651 0.662 0.648 0.687 0.708 0.714 0.709 0.713 0.693 - - -Cv 40.8 85.3 140 196 242 277 306 326 340 340 0.88

6 x 4 4-3/8 111.1 49.3 2 51 Kv 35.3 73.8 121 170 209 240 265 282 294 294 - - -6 x 4 4-3/8 111.1 49.3 2 51XT 0.577 0.594 0.612 0.656 0.732 0.779 0.793 0.791 0.804 0.818 - - -Cv 43.2 88.7 147 202 252 294 328 354 371 379 0.89

8 x 4 4-3/8 111.1 52.7 2 51 Kv 37.4 76.7 127 175 218 254 284 306 321 328 - - -8 x 4 4-3/8 111.1 52.7 2 51XT 0.629 0.650 0.631 0.677 0.726 0.797 0.809 0.817 0.815 0.817 - - -Cv 79.0 158 247 338 413 471 531 569 610 637 0.89

8 x 6 7 177.8 96.2 2 51 Kv 68.3 137 214 292 357 407 459 492 528 551 - - -8 x 6 7 177.8 96.2 2 51XT 0.544 0.574 0.578 0.626 0.678 0.758 0.759 0.749 0.727 0.705 - - -Cv 80.1 156 250 348 449 539 621 683 743 817 0.82

12 x 6 7 177.8 98.0 2 51 Kv 69.3 135 216 301 388 466 537 591 643 707 - - -12 x 6 7 177.8 98.0 2 51XT 0.515 0.627 0.613 0.624 0.642 0.689 0.715 0.765 0.789 0.782 - - -Cv 138 306 468 607 725 824 903 960 998 1040 0.88

10 x 8 8 203.2 - - - 3 76 Kv 119 265 405 525 627 713 781 830 863 900 - - -10 x 8 8 203.2 - - - 3 76XT 0.665 0.632 0.651 0.685 0.708 0.722 0.741 0.761 0.791 0.787 - - -Cv 149 315 481 640 780 898 1000 1100 1180 1260 0.79

12 x 8 8 203.2 - - - 3 76 Kv 129 272 416 554 675 777 865 952 1021 1090 - - -12 x 8 8 203.2 - - - 3 76XT 0.687 0.735 0.727 0.745 0.754 0.784 0.744 0.754 0.711 0.636 - - -


Cv 6.80 14.6 23.0 32.7 43.9 56.6 70.8 85.0 97.2 107 0.79

4 x 2 2-5/16 58.7 - - - 1-1/8 29 Kv 5.88 12.6 19.9 28.3 38.0 49.0 61.2 73.5 84.1 92.6 - - -4 x 2 2-5/16 58.7 - - - 1-1/8 29XT 0.625 0.659 0.691 0.682 0.645 0.604 0.582 0.603 0.632 0.654 - - -

Cv 21.4 49.0 78.7 109 137 166 201 245 286 320 0.86

6 x 4 4-3/8 111.1 - - - 2 51 Kv 18.5 42.4 68.1 94.3 119 144 174 212 247 277 - - -6 x 4 4-3/8 111.1 - - - 2 51XT 0.686 0.717 0.651 0.648 0.654 0.661 0.672 0.670 0.695 0.725 - - -

Cv 23.2 51.0 80.6 111 141 173 211 254 299 340 0.82

8 x 4 4-3/8 111.1 - - - 2 51 Kv 20.1 44.1 69.7 96.0 122 150 183 220 259 294 - - -8 x 4 4-3/8 111.1 - - - 2 51XT 0.694 0.711 0.691 0.661 0.668 0.669 0.676 0.688 0.727 0.753 - - -

Cv 44.0 108 170 234 293 354 405 474 552 617 0.88

8 x 6 7 177.8 - - - 2 51 Kv 38.1 93.4 147.1 202 253 306 350 410 477 534 - - -8 x 6 7 177.8 - - - 2 51XT 0.796 0.726 0.758 0.742 0.772 0.767 0.801 0.748 0.702 0.656 - - -

Cv 51.7 111 176 249 319 391 458 540 632 729 0.81

12 x 6 7 177.8 - - - 2 51 Kv 44.7 96.0 152 215 276 338 396 467 547 631 - - -12 x 6 7 177.8 - - - 2 51XT 0.716 0.710 0.691 0.656 0.639 0.639 0.661 0.649 0.639 0.633 - - -

Cv 95.9 212 336 459 586 696 798 876 928 975 0.91

10 x 8 8 203.2 - - - 3 76 Kv 83.0 183 291 397 507 602 690 758 803 843 - - -10 x 8 8 203.2 - - - 3 76XT 0.683 0.617 0.610 0.641 0.657 0.694 0.715 0.748 0.795 0.843 - - -

Cv 104 223 348 490 638 781 907 999 1080 1160 0.80

12 x 8 8 203.2 - - - 3 76 Kv 90.0 193 301 424 552 676 785 864 934 1003 - - -12 x 8 8 203.2 - - - 3 76XT 0.700 0.694 0.647 0.692 0.697 0.693 0.711 0.741 0.738 0.696 - - -

1. The first number indicates both body inlet and outlet sizes. The second number indicates nominal port size.2. When sizing self-operated regulators, use coefficients listed for 1/4 inch (6mm) travel.3. At 100% travel.

Notes: The coefficents shown on this page are also appropriate for the Design EWT.The linear trim coefficents shown on this page for sizes 6 x 4 through 10 x 8 apply to Design EWT-C valves.

Design EWDClasses 300 and 600

Quick Opening & Linear CagesFlow Down Through the Port

Equal Percentage (Flow Down) Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-


Inches(1) Inches mm Inches mmCoeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(2)

Cv 2.53 4.52 6.66 9.29 13.6 19.9 29.4 45.2 65.8 82.2 0.82

4 x 2 2-5/16 58.7 1-1/8 29 Kv 2.19 3.91 5.76 8.04 11.8 17.2 25.4 39.1 56.9 71.1 - - -4 x 2 2-5/16 58.7 1-1/8 29XT 0.626 0.652 0.664 0.683 0.657 0.6.6 0.646 0.591 0.560 0.587 - - -

Cv 7.34 13.1 19.8 30.6 46.6 69.1 108 168 225 271 0.87

6 x 4 4-3/8 111.1 2 51 Kv 6.35 11.3 17.1 26.5 40.3 59.8 93.4 145 195 234 - - -6 x 4 4-3/8 111.1 2 51XT 0.996 0.808 0.711 0.640 0.605 0.605 0.630 0.613 0.662 0.712 - - -

Cv 8.01 14.1 21.1 31.7 47.2 73.5 118 180 240 286 0.85

8 x 4 4-3/8 111.1 2 51 Kv 6.93 12.2 18.3 27.4 40.8 63.6 102 156 208 247 - - -8 x 4 4-3/8 111.1 2 51XT 0.684 0.671 0.643 0.617 0.566 0.591 0.566 0.573 0.645 0.675 - - -

Cv 13.2 26.4 45.4 71.1 112 178 256 342 431 508 0.91

8 x 6 7 177.8 2 51 Kv 11.4 22.8 39.3 61.5 96.9 154 221 296 373 439 - - -8 x 6 7 177.8 2 51XT 0.837 0.837 0.719 0.683 0.596 0.573 0.626 0.682 0.688 0.684 - - -

Cv 23.6 36.2 52.8 76.3 110 164 248 348 453 565 0.79

12 x 6 7 177.8 2 51 Kv 20.4 31.3 45.7 66.0 95.2 142 215 301 392 489 - - -12 x 6 7 177.8 2 51XT 0.628 0.664 0.694 0.714 0.703 0.739 0.695 0.683 0.658 0.627 - - -

Cv 32.3 65.7 111 184 303 462 635 778 876 924 0.89

10 x 8 8 203.2 3 76 Kv 27.9 56.8 96.0 159 262 400 549 673 758 799 - - -10 x 8 8 203.2 3 76XT 0.725 0.720 0.687 0.634 0.585 0.582 0.595 0.615 0.652 0.802 - - -

Cv 28.4 61.0 112 196 311 481 687 839 992 1090 0.81

12 x 8 8 203.2 3 76 Kv 24.6 52.8 96.9 170 269 416 594 726 858 943 - - -12 x 8 8 203.2 3 76XT 0.666 0.665 0.667 0.664 0.659 0.667 0.664 0.662 0.663 0.663 - - -

Design EWD

Equal Percentage CagesClasses 300 & 600


56789+# &'':()*+ HB./

Catalog 12

Whisper Trim I (Flow Up) LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(2)

Cv 14.8 28.9 40.8 52.9 65.1 77.2 89.0 100 111 118 - - -

4 x 2 2-5/16 58.7 1-1/8 29 Kv 12.8 25.0 35.3 45.8 56.3 66.8 77.0 86.5 96.0 102 - - -4 x 2 2-5/16 58.7 1-1/8 29XT 0.320 0.323 0.323 0.322 0.323 0.321 0.322 0.325 0.324 0.322 - - -

Cv 30.9 69.9 110 149 187 223 253 281 307 325 - - -

6 x 4 4-3/8 111.1 2 51 Kv 26.7 60.5 95.2 129 162 193 219 243 266 281 - - -6 x 4 4-3/8 111.1 2 51XT 0.668 0.476 0.382 0.351 0.349 0.358 0.367 0.382 0.401 0.416 - - -

Cv 36.2 77.6 116 155 193 231 266 298 326 345 - - -

8 x 4 4-3/8 111.1 2 51 Kv 31.3 67.1 100 134 167 200 230 258 282 298 - - -8 x 4 4-3/8 111.1 2 51XT 0.447 0.403 0.356 0.333 0.331 0.329 0.334 0.341 0.350 0.368 - - -

Cv 42.8 99.7 164 224 290 352 422 473 523 545 - - -

2 51 Kv 37.0 86.2 142 194 251 304 365 409 452 471 - - -2 51XT 0.550 0.409 0.364 0.350 0.334 0.326 0.310 0.326 0.329 0.350 - - -

8 x 6 7 177.8Cv 113 266 355 475 522 522 522 522 519 522 - - -

4(3) 102 Kv 97.7 230 307 411 452 452 452 452 449 452 - - -4 102XT 0.412 0.285 0.357 0.354 0.469 0.632 0.777 0.854 0.919 0.917 - - -


PortDiameter

MaximumTravel

FlowCoeffi-



FL(2)

Cv 49.0 126 196 269 340 406 476 540 598 641 - - -

2 51 Kv 42.4 109 170 233 294 351 412 467 517 554 - - -2 51XT 0.547 0.300 0.286 0.270 0.264 0.267 0.263 0.264 0.273 0.273 - - -

12 x 6 7 177.8Cv 113 258 343 469 572 641 755 828 884 953 - - -

4(3) 102 Kv 97.7 223 297 406 495 554 653 716 765 824 - - -4 102XT 0.432 0.320 0.393 0.363 0.380 0.424 0.408 0.437 0.468 0.476 - - -

Cv 99.2 229 339 430 515 605 691 763 806 826 - - -

3 76 Kv 85.8 198 293 372 515 523 598 660 697 714 - - -3 76XT 0.791 0.490 0.439 0.447 0.462 0.465 0.463 0.478 0.518 0.591 - - -

10 x 8 8 203.2Cv 146 300 433 551 664 755 824 857 866 903 - - -

4 102 Kv 126 260 375 477 574 653 713 741 749 781 - - -4 102XT 0.596 0.465 0.441 0.451 0.459 0.488 0.535 0.616 0.720 0.761 - - -

Cv 147 268 358 445 537 624 702 772 842 900 - - -

3 76 Kv 127 232 310 385 465 540 607 668 728 779 - - -3 76XT 0.256 0.272 0.390 0.422 0.406 0.411 0.439 0.473 0.480 0.508 - - -

12 x 8 8 203.2Cv 181 329 449 563 674 778 866 931 972 1000 - - -

4 102 Kv 157 285 388 487 583 673 749 805 841 865 - - -4 102XT 0.329 0.350 0.408 0.425 0.431 0.452 0.494 0.540 0.583 0.644 - - -

1. The first number indicates both body inlet and outlet size. The second number indicates nominal port size.2. At 100% travel.3. Travel limited to 3-1/2 inches when optional multiple piston ring is used. Reduce printed capacities accordingly.

Notes: The coefficients shown on this page are also appropriate for the Design EWT.The coefficients shown on this page for sizes 6 x 4 through 10 x 8 also apply to Design EWT-C valves.

Design EWDClasses 300 & 600

Whisper Trim" I Cages


56789+# &'':()*+ HB.2


Whisper Trim III LinearCharacteristic (1)


PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total TravelX (4)Size,

Inches(2) Inches mm Inches mmCoeffi-cient Minimum(3) 20 30 40 50 60 70 80 90 100

XT(4)

A3 """"P/P1 !!!! 0.6Cv 4.00 97.6 159 215 270 326 383 427 457 460 0.710

8 x 6 5-3/8 136.5 5 127Kv 3.46 84 138 186 234 282 331 369 395 398 - - -

Cv 4.00 151 238 324 407 492 573 651 697 698 0.58912 x 6 5-3/8 136.5 6-1/2 165

Kv 3.46 131 206 280 352 426 496 563 603 604 - - -

B3 """"P/P1 !!!!0.75Cv 4.67 72.3 108 143 178 213 248 280 314 347 0.563

8 x 6 5-3/8 136.5 5 127Kv 4.04 62.5 93.4 124 154 184 215 242 272 300 - - -

Cv 4.67 94.0 141 187 233 278 324 370 413 457 0.56312 x 6 5-3/8 136.5 6-1/2 165

Kv 4.04 81.3 122 162 202 240 280 320 357 395 - - -

C3 """"P/P1 !!!! 0.85Cv 4.67 50.0 74.7 99.3 124 149 173 197 221 245 0.563

8 x 6 5-3/8 136.5 5 127Kv 4.04 43.3 64.6 85.9 107 129 150 170 191 212 - - -

Cv 4.67 64.0 96.0 127 160 191 222 254 284 315 0.56312 x 6 5-3/8 136.5 6-1/2 165

Kv 4.04 55.4 83.0 110 138 165 192 220 246 272 - - -

D3 """"P/P1 !!!! 0.99Cv 4.67 12.7 31.4 55.0 79.7 104 128 152 177 201 0.563

8 x 6 5-3/8 136.5 5 127Kv 4.04 11.0 27.2 47.6 68.9 90.0 111 131 153 174 - - -

Cv 4.67 23.8 53.3 85.0 116 148 180 211 243 273 0.56312 x 6 5-3/8 136.5 6-1/2 165

Kv 4.04 20.6 46.1 73.5 100 128 156 183 210 236 - - -1. Level D exhibits an equal percentage characteristic for the first 1-1/2 inch (38 mm) of travel, then linear characteristic.2. The first number indicates the body inlet and outlet size. The second number indicates nominal port size.3. Valves should not be required to throttle at less than the specified minimum coefficient for and extended period of time. Erosion damage to the valve seats may result.4. This column lists XT factors for cages at 100 % travel.

Design EWD

Whisper Trim" III CageClasses 300 & 600


56789+# &'':()*+ HB.;

Catalog 12

Quick Opening - Flow Down Quick OpeningCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(2)

Cv 83 166 259 355 434 495 558 597 641 670 0.89

8 x 6 7 177.8 2 51 Kv 71.8 144 224 307 375 428 483 516 554 580 - - -8 x 6 7 177.8 2 51XT 0.501 0.569 0.607 0.633 0.688 0.772 0.787 0.811 0.798 0.809 - - -

Cv 149 315 481 640 780 898 1000 1100 1180 1260 0.79

12 x 8 8 203.2 3 76 Kv 129 272 416 554 675 777 865 952 1021 1090 - - -12 x 8 8 203.2 3 76XT 0.687 0.735 0.727 0.745 0.754 0.784 0.744 0.754 0.711 0.636 - - -


Cv 46 112 177 243 305 368 421 493 574 664 0.89

8 x 6 7 177.8 2 51 Kv 39.8 96.9 153 210 264 318 364 426 497 574 - - -8 x 6 7 177.8 2 51XT 0.884 0.746 0.747 0.743 0.755 0.756 0.783 0.788 0.759 0.729 - - -

Cv 104 223 348 490 638 781 907 999 1080 1160 0.80

12 x 8 8 203.2 3 76 Kv 90.0 193 301 424 552 676 785 864 934 1003 - - -12 x 8 8 203.2 3 76XT 0.700 0.694 0.647 0.692 0.697 0.693 0.711 0.741 0.738 0.696 - - -


Cv 12.2 24.4 42.4 67.1 105 167 241 321 405 477 0.92

8 x 6 7 177.8 2 51 Kv 10.6 21.1 36.7 58.0 90.8 144 208 278 350 413 - - -8 x 6 7 177.8 2 51XT 0.715 0.614 0.526 0.506 0.507 0.529 0.609 0.669 0.704 0.757 - - -

Cv 28.4 61.0 112 196 311 481 687 839 992 1090 0.81

12 x 8 8 203.2 3 76 Kv 24.6 52.8 96.9 170 269 416 594 726 858 943 - - -12 x 8 8 203.2 3 76XT 0.666 0.665 0.667 0.664 0.659 0.666 0.664 0.662 0.663 0.663 - - -

Whisper Trim I - Flow Up LinearCharacteristic

Cv 44.8 104 171 233 302 366 439 492 544 568 - - -

8 x 6 7 177.8 2 51 Kv 38.8 90.0 148 202 261 317 380 426 471 491 - - -8 x 6 7 177.8 2 51XT 0.516 0.384 0.342 0.330 0.315 0.308 0.292 0.307 0.309 0.327 - - -

1. The first number indicates both body inlet and outlet size. The second number indicates nominal port size.2. At 100% travel.

Notes: The coefficients shown on this page are also appropriate for the Design EWT and Design EWT-1. Designs EWD-1 and EWT-1 are availableonly in 12 x 8 inch body size.


56789+# &'':()*+ HB.3


Design EWD & EWD-1Class 900

Quick Opening, Linear, EqualPercentage, & Whisper Trim" I Cages

Whisper Trim III - Flow Up LinearCharacteristic

Port Maximum XTValveSize,

PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total TravelXTat

Size,Inches(1) Inches mm Inches mm

Coeffi-cient Minimum(2) 10 20 30 40 50 60 70 80 90 100

Max.Travel

A1 & A3""""P/P1 !!!! 0.6

Cv 4.67 88.0 175 264 352 440 528 616 704 792 880 0.56312 x 8 7-3/4 196.8 6 152

Kv 4.04 76.1 151 228 304 381 457 533 609 685 761 - - -

B1 & B3""""P/P1 !!!! 0.75

Cv 4.67 57.8 116 173 141 289 347 431 462 520 578 0.56312 x 8 7-3/4 196.8 6 152

Kv 4.04 50.0 100 150 122 250 300 373 400 450 500 - - -

C1 & C3""""P/P1 !!!! 0.85

Cv 4.67 40.8 81.5 122 163 204 245 285 326 367 408 0.56312 x 8 7-3/4 196.8 6 152

Kv 4.04 35.3 70.5 106 141 176 212 247 282 317 353 - - -

D1 & D3""""P/P1 !!!! 0.99

Cv 3.67 34.8 69.5 104 139 174 209 243 278 313 348 0.56312 x 8 7-3/4 196.8 6 152

Kv 3.17 30.1 60.1 90.0 120 151 181 210 240 271 301 - - -1. The first number indicates both inlet and outlet size. The second number indicates nominal port size.2. Valve should not be required to throttle at less than the specified minimum coefficient for an extended period of time or erosion damage to the valve seat may result.

Notes: The coefficients shown on this page are also appropriate for the Design EWT-1.


56789+# &'':()*+ HB.<

Catalog 12

Design EWD-1

Whisper Trim" III CageClass 900

LinearCast-Window Cage



PortDiameter

MaximumTravel

Con--struc--

FlowCoeffi-



Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 46 269 524 814 1100 1390 1730 2070 2380 2670 2960 0.88

20 x 16 14.75 374.7 4.00 102 SNC Kv 39.8 233 453 704 952 1202 1496 1791 2059 2310 2560 - - -20 x 16 14.75 374.7 4.00 102 SNCXT 0.391 0.989 0.901 0.804 0.750 0.742 0.742 0.748 0.755 0.759 0.767 - - -

Cv 46 321 670 1030 1390 1810 2230 2590 2960 3300 3580 0.88

20 x 16 14.75 374.7 5.00 127 SNC Kv 39.8 278 580 891 1202 1566 1929 2240 2560 2855 3097 - - -20 x 16 14.75 374.7 5.00 127 SNCXT 0.391 0.994 0.843 0.759 0.742 0.738 0.751 0.761 0.772 0.759 0.750 - - -

Cv 46 351 604 590 1183 1470 1770 2090 2450 2820 3190 0.88

24 x 16 14.75 374.7 4.00 102 SNC Kv 39.8 304 522 510 1023 1272 1531 1808 2119 2439 2759 - - -24 x 16 14.75 374.7 4.00 102 SNCXT 0.391 0.994 0.914 0.808 0.751 0.738 0.742 0.744 0.758 0.766 0.757 - - -

Cv 46 418 817 1220 1600 2040 2540 3050 3530 3850 4060 0.88

24 x 16 14.75 374.7 5.50 140 SNC Kv 39.8 362 707 1055 1384 1765 2197 2638 3053 3330 3512 - - -24 x 16 14.75 374.7 5.50 140 SNCXT 0.391 0.986 0.820 0.744 0.739 0.744 0.759 0.769 0.759 0.746 0.765 - - -

1. Construction—SNC = short-neck, cast windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might result.


56789+# &'':()*+ HB.4


Design EWD and EWT-220-Inch and Larger Sizes

Class 150, 300, and 600Linear Cast-Window Cage

Flow Down

LinearDrilled-Window Cage


Port MaximumValve

ValveSize,

PortDiameter

MaximumTravel

Con-struc-

FlowCoeffi-

Valve Opening—Percent of Total TravelF

TypeSize,

Inches Inches mm Inches mmstruc-tion(1)

Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 40 139 298 479 659 843 993 1190 1360 1530 1690 0.89

16 x 12 11.00 279.4 8.00 203 LND Kv 34.6 120 258 414 570 729 859 1029 1176 1323 1462 - - -

EWD &

16 x 12 11.00 279.4 8.00 203 LNDXT 0.391 0.989 0.899 0.797 0.742 0.735 0.741 0.749 0.756 0.758 0.767 - - -EWD &

EWT-2 Cv 40 147 316 505 694 890 1050 1260 1430 1620 1790 0.89

16 x 12 11.00 279.4 8.88 226 LND Kv 34.6 127 273 437 600 770 908 1090 1237 1401 1548 - - -16 x 12 11.00 279.4 8.88 226 LNDXT 0.391 0.990 0.886 0.785 0.741 0.739 0.743 0.745 0.764 0.763 0.762 - - -

Cv 46 262 550 874 1200 1560 1850 2190 2470 2760 3040 0.89

20 x 16 14.75 374.7 10.88 276 LND Kv 39.8 227 476 756 1038 1349 1600 1894 2137 2387 2630 - - -20 x 16 14.75 374.7 10.88 276 LNDXT 0.391 0.985 0.894 0.791 0.740 0.738 0.743 0.745 0.758 0.762 0.760 - - -

EWDCv 46 330 742 1160 1570 1970 2370 2740 3110 3430 3660 0.89

20 x 16 14.75 374.7 14.88 378 LN-SD Kv 39.8 285 642 1003 1358 1704 2050 2370 2690 2967 3166 - - -20 x 16 14.75 374.7 14.88 378 LN-SDXT 0.391 0.985 0.815 0.739 0.739 0.740 0.754 0.764 0.768 0.752 0.753 - - -

Cv 52 322 679 1080 1480 1880 2210 2570 2880 3180 3480 0.89

20 x 16 16.25 412.8 10.88 276 LND Kv 45.0 279 587 934 1280 1626 1912 2223 2491 2751 3010 - - -20 x 16 16.25 412.8 10.88 276 LNDXT 0.391 0.988 0.888 0.786 0.742 0.738 0.759 0.744 0.754 0.762 0.768 - - -

EWT-2Cv 52 390 868 1350 1850 2340 2810 3240 3670 4060 4370 0.89

20 x 16 16.25 412.8 14.88 378 LN-SD Kv 45.0 337 751 1168 1600 2024 2431 2803 3175 3512 3780 - - -20 x 16 16.25 412.8 14.88 378 LN-SDXT 0.391 0.990 0.823 0.751 0.736 0.742 0.754 0.760 0.760 0.754 0.746 - - -

Cv 46 328 701 1140 1610 2060 2480 2860 3140 3340 3490 0.89

24 x 16 14.75 374.7 14.88 378 LND Kv 39.8 284 606 986 1393 1782 2145 2474 2716 2889 3019 - - -24 x 16 14.75 374.7 14.88 378 LNDXT 0.391 0.997 0.934 0.828 0.767 0.745 0.734 0.743 0.753 0.767 0.764 - - -

EWDCv 46 356 764 1240 1750 2210 2620 3030 3300 3500 3670 0.89

24 x 16 14.75 374.7 16.88 429 LN-SD Kv 39.8 308 661 1073 1514 1912 2266 2621 2855 3028 3175 - - -24 x 16 14.75 374.7 16.88 429 LN-SDXT 0.391 0.994 0.919 0.816 0.757 0.743 0.741 0.751 0.759 0.759 0.748 - - -

Cv 52 363 765 1240 1750 2280 2740 3260 3670 3960 4150 0.89

24 x 16 16.25 412.8 14.88 378 LND Kv 45.0 314 662 1073 1514 1972 2370 2820 3175 3425 3590 - - -24 x 16 16.25 412.8 14.88 378 LNDXT 0.391 0.997 0.955 0.853 0.787 0.745 0.739 0.738 0.748 0.759 0.763 - - -

EWT-2Cv 52 393 832 1350 1900 2440 2940 3480 3850 4110 4310 0.89

24 x 16 16.25 412.8 16.88 429 LN-SD Kv 45.0 340 720 1168 1644 2111 2543 3010 3330 3555 3728 - - -24 x 16 16.25 412.8 16.88 429 LN-SDXT 0.391 0.997 0.942 0.834 0.775 0.746 0.738 0.743 0.757 0.767 0.757 - - -

Cv 56 457 995 1560 2130 2640 3190 3660 4110 4560 4970 0.89

24 x 20 18.25 463.6 14.88 378 LND Kv 48.4 395 861 1349 1842 2284 2759 3166 3555 3944 4299 - - -24 x 20 18.25 463.6 14.88 378 LNDXT 0.391 0.991 .0850 0.763 0.738 0.739 0.743 0.753 0.757 0.769 0.766 - - -

EWDCv 56 490 1080 1680 2300 2920 3440 3970 4510 5000 5440 0.89

24 x 20 18.25 463.6 16.88 429 LN-SD Kv 48.4 424 934 1453 1990 2526 2976 3434 3901 4325 4706 - - -24 x 20 18.25 463.6 16.88 429 LN-SDXT 0.391 0.990 0.832 0.753 0.735 0.733 0.748 0.755 0.767 0.766 0.754 - - -

Cv 60 502 1070 1690 2300 2900 3500 4020 4480 4960 5420 0.89

24 x 20 19.75 501.7 14.88 378 LND Kv 51.9 434 926 1462 1990 2509 3028 3477 3875 4290 4688 - - -24 x 20 19.75 501.7 14.88 378 LNDXT 0.391 0.992 0.873 0.775 0.743 0.736 0.735 0.747 0.758 0.760 0.768 - - -

EWT-2Cv 60 591 1320 2050 2790 3470 4190 4830 5470 6060 6500 0.89

24 x 20 19.75 501.7 16.88 429 LN-SD Kv 51.9 511 1142 1773 2413 3002 3624 4178 4732 5242 5623 - - -24 x 20 19.75 501.7 16.88 429 LN-SDXT 0.391 0.988 0.816 0.741 0.735 0.747 0.748 0.765 0.770 0.758 0.749 - - -

1. Construction—LND - long neck, drilled windows; LN-SD = long neck with bonnet spacer, drilled windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might result.

Design EWD and EWT-2

Flow DownLinear Drilled-Window CageClass 150, 300, and 60016-Inch and Larger Sizes


56789+# &'':()*+ HB.:

Catalog 12

Equal PercentageCast-Window Cage

Equal PercentageCharacteristic


PortDiameter

MaximumTravel

Con-struc-

FlowCoeffi-



Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 23 29.8 61.3 99.1 152 233 355 544 818 1180 1630 0.88

20 x 16 14.75 374.7 4.00 102 SNC Kv 19.9 25.8 53.0 85.7 131 202 307 471 708 1021 1410 - - -20 x 16 14.75 374.7 4.00 102 SNCXT 0.391 0.997 0.990 0.993 0.990 0.987 0.986 0.896 0.802 0.744 0.735 - - -

Cv 23 37.2 77.4 132 233 388 652 1070 1630 2080 2460 0.88

20 x 16 14.75 374.7 5.00 127 SNC Kv 19.9 32.2 67.0 114 202 336 564 926 1410 1799 2128 - - -20 x 16 14.75 374.7 5.00 127 SNCXT 0.391 0.989 0.990 0.989 0.987 0.959 0.847 0.751 0.735 0.747 0.755 - - -

Cv 23 41.2 88.2 162 293 517 900 1470 2000 2420 2830 0.88

20 x 16 14.75 374.7 5.50 140 SNC Kv 19.9 35.6 76.3 140 253 447 779 1272 1730 2093 2448 - - -20 x 16 14.75 374.7 5.50 140 SNCXT 0.391 0.990 0.990 0.991 0.987 0.907 0.785 0.741 0.742 0.757 0.762 - - -

Cv 23 38.9 79.8 128 195 296 444 646 922 1290 1700 0.88

24 x 16 14.75 374.7 4.00 102 SNC Kv 19.9 33.6 69.0 111 169 256 384 559 798 1116 1471 - - -24 x 16 14.75 374.7 4.00 102 SNCXT 0.391 0.992 0.992 0.996 0.995 0.993 0.982 0.899 0.801 0.744 0.735 - - -

Cv 23 48.6 100 170 296 480 753 1180 1700 2130 2580 0.88

24 x 16 14.75 374.7 5.00 127 SNC Kv 19.9 42.0 86.5 147 256 415 651 1021 1471 1842 2232 - - -24 x 16 14.75 374.7 5.00 127 SNCXT 0.391 0.986 0.990 0.991 0.993 0.969 0.852 0.751 0.735 0.742 0.757 - - -

Cv 23 53.8 114 208 371 619 1010 1560 2030 2530 3040 0.88

24 x 16 14.75 374.7 5.50 140 SNC Kv 19.9 46.5 98.6 180 321 535 874 1349 1756 2188 2630 - - -24 x 16 14.75 374.7 5.50 140 SNCXT 0.391 0.989 0.990 0.993 0.995 0.908 0.781 0.732 0.745 0.758 0.774 - - -

1. Construction—SNC = short-neck, cast windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might result.

Design EWD and EWT-220-Inch and Larger Sizes

Class 150, 300, and 600

Flow DownEqual Percentage Cast-Window Cage


56789+# &'':()*+ HB.'


Equal PercentageDrilled-Window Cage


Port MaximumValve

ValveSize,

PortDiameter

MaximumTravel

Con-struc-

FlowCoeffi-


TypeSize,


Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 21 23.9 25.4 94.0 152 249 418 681 992 1240 1470 0.89

16 x 12 11.00 279.4 8.00 203 LND Kv 18.2 20.7 22.0 81.3 131 215 362 589 858 1073 1272 - - -

EWD &

16 x 12 11.00 279.4 8.00 203 LNDXT 0.391 0.990 0.994 0.995 0.987 0.916 0.805 0.738 0.743 0.752 0.764 - - -EWD &

EWT-2 Cv 21 25.7 56.3 101 164 268 450 733 1070 1340 1590 0.89

16 x 12 11.00 279.4 8.88 226 LND Kv 18.2 22.2 48.7 87.4 142 232 389 634 926 1159 1375 - - -16 x 12 11.00 279.4 8.88 226 LNDXT 0.391 0.984 0.998 0.995 0.994 0.923 0.810 0.739 0.747 0.756 0.764 - - -

Cv 23 42.8 93.5 170 278 445 750 1220 1810 2290 2700 0.89

20 x 16 14.75 374.7 10.88 276 LND Kv 19.9 37.0 80.9 147 240 385 649 1055 1566 1981 2336 - - -20 x 16 14.75 374.7 10.88 276 LNDXT 0.391 0.986 0.995 0.991 0.996 0.934 0.816 0.741 0.743 0.751 0.764 - - -

EWDCv 23 55.7 123 213 340 584 974 1580 2210 2750 3260 0.89

20 x 16 14.75 374.7 14.88 378 LN-SD Kv 19.9 48.2 106 184 294 505 843 1367 1912 2379 2820 - - -20 x 16 14.75 374.7 14.88 378 LN-SDXT 0.391 0.993 0.995 0.995 0.985 0.879 0.771 0.735 0.751 0.762 0.764 - - -

Cv 25 48.1 105 189 318 500 841 1370 2070 2640 3100 0.89

20 x 16 16.25 412.8 10.88 276 LND Kv 21.6 41.6 90.8 163 275 433 727 1185 1791 2284 2682 - - -20 x 16 16.25 412.8 10.88 276 LNDXT 0.391 0.996 0.990 0.995 0.997 0.951 0.833 0.748 0.739 0.744 0.759 - - -

EWT-2Cv 25 65.9 146 253 403 691 1150 1880 2640 3280 3890 0.89

20 x 16 16.25 412.8 14.88 378 LN-SD Kv 21.6 57.0 126 219 349 598 995 1626 2284 2837 3365 - - -20 x 16 16.25 412.8 14.88 378 LN-SDXT 0.391 0.995 0.990 0.996 0.985 0.885 0.783 0.736 0.746 0.737 0.754 - - -

Cv 23 42.4 88.1 150 265 438 732 1250 2000 2650 3110 0.89

24 x 16 14.75 374.7 14.88 378 LND Kv 19.9 36.7 76.2 130 229 379 633 1081 1730 2292 2690 - - -24 x 16 14.75 374.7 14.88 378 LNDXT 0.391 0.993 0.998 0.997 0.995 0.998 0.928 0.814 0.746 0.755 0.764 - - -

EWDCv 23 46.8 97.4 166 293 484 820 1400 2210 2860 3270 0.89

24 x 16 14.75 374.7 16.88 429 LN-SD Kv 19.9 40.5 84.3 144 253 419 709 1211 1912 2474 2829 - - -24 x 16 14.75 374.7 16.88 429 LN-SDXT 0.391 0.998 0.992 0.991 0.997 0.994 0.905 0.797 0.739 0.743 0.760 - - -

Cv 25 49.6 103 176 311 513 853 1460 2350 3120 3700 0.89

24 x 16 16.25 412.8 14.88 378 LND Kv 21.6 42.9 89.1 152 269 444 738 1263 2033 2699 3201 - - -24 x 16 16.25 412.8 14.88 378 LNDXT 0.391 0.996 0.995 0.991 0.994 0.988 0.935 0.814 0.743 0.735 0.748 - - -

EWT-2Cv 25 53.1 110 188 332 549 921 1580 2510 3290 3830 0.89

24 x 16 16.25 412.8 16.88 429 LN-SD Kv 21.6 45.9 95.2 163 287 475 797 1367 2171 2846 3313 - - -24 x 16 16.25 412.8 16.88 429 LN-SDXT 0.391 0.996 0.995 0.995 0.988 0.995 0.918 0.802 0.742 0.737 0.754 - - -

Cv 28 71.8 158 283 457 749 1260 2050 2990 3730 4430 0.89

24 x 20 18.25 463.6 14.88 378 LND Kv 24.2 62.1 137 245 395 648 1090 1773 2586 3226 3832 - - -24 x 20 18.25 463.6 14.88 378 LNDXT 0.391 0.992 0.987 0.996 0.991 0.918 0.801 0.739 0.742 0.759 0.765 - - -

EWDCv 28 81.5 180 315 501 854 1430 2330 3280 4070 4840 0.89

24 x 20 18.25 463.6 16.88 429 LN-SD Kv 24.2 70.5 156 272 433 739 1237 2015 2837 3521 4187 - - -24 x 20 18.25 463.6 16.88 429 LN-SDXT 0.391 0.994 0.994 0.984 0.986 0.889 0.776 0.735 0.742 0.761 0.762 - - -

Cv 30 76.1 166 302 496 792 1330 2170 3230 4080 4820 0.89

24 x 20 19.75 501.7 14.88 378 LND Kv 25.9 65.8 144 261 429 685 1150 1877 2794 3529 4169 - - -24 x 20 19.75 501.7 14.88 378 LNDXT 0.391 0.991 0.997 0.987 0.996 0.939 0.824 0.743 0.738 0.757 0.759 - - -

EWT-2Cv 30 98.4 218 378 602 1030 1720 2800 3930 4880 5780 0.89

24 x 20 19.75 501.7 16.88 429 LN-SD Kv 25.9 85.1 189 327 521 891 1488 2422 3399 4221 5000 - - -24 x 20 19.75 501.7 16.88 429 LN-SDXT 0.391 0.992 0.991 0.997 0.985 0.882 0.776 0.735 0.748 0.758 0.763 - - -

1. Construction—LND - long neck, drilled windows; LN-SD = long neck with bonnet spacer, drilled windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might result.


Equal Percentage Drilled-Window CageFlow Down

16-Inch and Larger SizesClass 150, 300, and 600


56789+# &'':()*+ HB.&=

Catalog 12

Design EWD & EWT-2Whisper Trim III—Level A1


Port MaximumValve

ValveSize,

PortDiameter

MaximumTravel

Con-struc-

FlowCoeffi-


TypeSize,


Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 40 223 445 668 885 1094 1276 1437 1561 1662 1737 0.89

16 x 12 11.00 279.4 8.00 203 LN Kv 34.6 193 385 578 766 946 1104 1243 1350 1438 1503 - - -

EWD &

16 x 12 11.00 279.4 8.00 203 LNXT 0.391 0.543 0.541 0.544 0.548 0.558 0.584 0.618 0.659 0.704 0.746 - - -EWD &

EWT-2 Cv 40 247 494 741 978 1198 1385 1534 1652 1736 1800 0.89

16 x 12 11.00 279.4 8.88 226 LN Kv 34.6 214 427 641 846 1036 1198 1327 1429 1502 1557 - - -16 x 12 11.00 279.4 8.88 226 LNXT 0.391 0.543 0.546 0.541 0.550 0.571 0.606 0.651 0.698 0.746 0.788 - - -

Cv 46 293 587 880 1173 1463 1742 2015 2251 2471 2661 0.89

20 x 16 14.75 374.7 8.00 203 SN Kv 39.8 253 508 761 1015 1265 1507 1743 1947 2137 2302 - - -20 x 16 14.75 374.7 8.00 203 SNXT 0.391 0.542 0.544 0.541 0.544 0.545 0.551 0.558 0.580 0.604 0.632 - - -

Cv 46 398 797 1195 1584 1958 2284 2575 2799 2982 3117 0.89

EWD 20 x 16 14.75 374.7 10.88 276 LN Kv 39.8 344 689 1034 1370 1694 1976 2227 2421 2579 2696 - - -EWD 20 x 16 14.75 374.7 10.88 276 LNXT 0.391 0.539 0.544 0.542 0.548 0.556 0.584 0.617 0.658 0.701 0.750 - - -

Cv 46 545 1090 1623 2120 2531 2841 3065 3217 3320 3413 0.89

20 x 16 16.25 374.7 14.88 378 LN-S Kv 39.8 471 943 1404 1834 2189 2457 2651 2783 2872 2952 - - -20 x 16 16.25 374.7 14.88 378 LN-SXT 0.391 0.539 0.542 0.549 0.566 0.612 0.667 0.720 0.785 0.830 0.838 - - -

Cv 52 323 646 969 1293 1616 1927 2232 2525 2779 3019 0.89

20 x 16 16.25 412.8 8.00 203 SN Kv 45.0 279 559 838 1118 1398 1667 1931 2184 2404 2611 - - -20 x 16 16.25 412.8 8.00 203 SNXT 0.391 0.542 0.540 0.544 0.543 0.542 0.547 0.553 0.562 0.584 0.606 - - -

Cv 52 440 879 1319 1755 2172 2567 2905 3204 3442 3636 0.89

EWT-2 20 x 16 16.25 412.8 10.88 276 LN Kv 45.0 381 760 1141 1518 1879 2220 2513 2771 2977 3145 - - -EWT-2 20 x 16 16.25 412.8 10.88 276 LNXT 0.391 0.538 0.543 0.541 0.544 0.553 0.565 0.596 0.633 0.662 0.703 - - -

Cv 52 601 1202 1799 2365 2853 3256 3562 3776 3933 4043 0.89

20 x 16 14.75 412.8 14.88 378 LN-S Kv 45.0 520 1040 1556 2046 2468 2816 3081 3266 3402 3497 - - -20 x 16 14.75 412.8 14.88 378 LN-SXT 0.391 0.542 0.542 0.545 0.557 0.591 0.637 0.686 0.741 0.792 0.826 - - -

Cv 46 291 583 872 1157 1440 1722 2004 2257 2486 2697 0.89

24 x 16 14.75 374.7 8.00 203 SN Kv 39.8 252 504 754 1001 1246 1490 1733 1952 2150 2333 - - -24 x 16 14.75 374.7 8.00 203 SNXT 0.391 0.544 0.544 0.543 0.543 0.545 0.550 0.557 0.574 0.596 0.621 - - -

Cv 46 396 791 1178 1562 1944 2292 2597 2843 3046 3182 0.89

EWD 24 x 16 14.75 374.7 10.88 276 LN Kv 39.8 343 684 1019 1351 1682 1983 2246 2459 2635 2752 - - -EWD 24 x 16 14.75 374.7 10.88 276 LNXT 0.391 0.546 0.543 0.545 0.547 0.556 0.577 0.609 0.646 0.687 0.733 - - -

Cv 46 541 1076 1602 2121 2550 2888 3129 3273 3357 3417 0.89

24 x 16 16.25 374.7 14.88 378 LN Kv 39.8 468 931 1386 1835 2206 2498 2707 2831 2904 2956 - - -24 x 16 16.25 374.7 14.88 378 LNXT 0.391 0.546 0.546 0.547 0.560 0.603 0.654 0.704 0.771 0.812 0.836 - - -

Cv 52 321 642 962 1277 1589 1901 2211 2521 2788 3038 0.89

24 x 16 16.25 412.8 8.00 203 SN Kv 45.0 278 555 832 1105 1374 1644 1913 2181 2412 2628 - - -24 x 16 16.25 412.8 8.00 203 SNXT 0.391 0.545 0.547 0.545 0.545 0.544 0.547 0.553 0.558 0.577 0.598 - - -

Cv 52 437 873 1302 1726 2150 2568 2920 3247 3499 3715 0.89

EWT-2 24 x 16 16.25 412.8 10.88 276 LN Kv 45.0 378 755 1126 1493 1860 2221 2526 2809 3027 3213 - - -EWT-2 24 x 16 16.25 412.8 10.88 276 LNXT 0.391 0.545 0.545 0.543 0.544 0.552 0.560 0.587 0.617 0.652 0.696 - - -

Cv 52 637 1268 1887 2502 3020 3441 3750 3939 4055 4128 0.89

24 x 16 16.25 412.8 15.88 403 LN Kv 45.0 551 1097 1632 2164 2612 2976 3244 3407 3508 3571 - - -24 x 16 16.25 412.8 15.88 403 LNXT 0.391 0.549 0.544 0.547 0.558 0.596 0.639 0.694 0.756 0.799 0.825 - - -

Design EWD & EWT-216-Inch and Larger Sizes

Class 150, 300, and 600Whisper Trim" III—Level A1

Flow Up


56789+# &'':()*+ HB.&&


Port MaximumValve

Valve PortDiameter

MaximumTravel

Con- Flow Valve Opening—Percent of Total TravelF

TypeSize,


Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 56 676 1352 2028 2676 3280 3794 4208 4534 4768 4946 0.89

24 x 20 18.25 436.6 14.88 378 LN Kv 48.4 585 1169 1754 2315 2837 3282 3640 3922 4124 4278 - - -24 x 20 18.25 436.6 14.88 378 LNXT 0.391 0.542 0.542 0.543 0.552 0.568 0.605 0.643 0.639 0.739 0.783 - - -

EWDCv 56 767 1534 2294 3015 3631 4137 4518 4783 4977 5117 0.89

24 x 20 18.25 436.6 16.88 429 LN-S Kv 48.4 663 1327 1984 2608 3141 3579 3908 4137 4305 4426 - - -24 x 20 18.25 436.6 16.88 429 LN-SXT 0.391 0.543 0.543 0.544 0.557 0.595 0.636 0.698 0.744 0.791 0.826 - - -

Cv 60 733 1465 2198 2910 3596 4180 4694 5093 5409 5640 0.89

24 x 20 19.75 501.7 14.88 378 LN Kv 51.9 634 1267 1901 2517 3111 3616 4060 4405 4679 4879 - - -24 x 20 19.75 501.7 14.88 378 LNXT 0.391 0.543 0.543 0.542 0.548 0.553 0.586 0.621 0.664 0.708 0.755 - - -

EWT-2Cv 60 831 1662 2493 3281 3996 4610 5071 5429 5680 5872 0.89

24 x 20 19.75 501.7 16.88 429 LN-S Kv 51.9 719 1438 2156 2838 3457 3988 4386 4696 4913 5079 - - -24 x 20 19.75 501.7 16.88 429 LN-SXT 0.391 0.543 0.543 0.543 0.553 0.573 0.618 0.662 0.718 0.767 0.807 - - -

1. Construction—SN = short-neck valve; LN = long--neck valve: LN-S = long-neck valve with bonnet spacer.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might result.


Whisper Trim" III—Level A1Flow Up

16-Inch and Larger SizesClass 150, 300, and 600


56789+# &'':()*+ HB.&/

Catalog 12

Design EWD & EWT-2Cavitrol III Trim—One Stage



PortDiameter

MaximumTravel

Con-struc-

FlowCoeffi-



Coeffi-cient Min(2) 10 20 30 40 50 60 70 80 90 100

FL

Cv 40 132 304 471 628 775 910 1030 1140 1240 1330 0.9116 x 12 11.00 279.4 8.00 203 LND

Kv 34.6 114 263 407 543 670 787 891 986 1073 1150 - - -

Cv 46 262 576 877 1160 1420 1660 1880 2070 2240 2390 0.9114.75 374.7 10.88 276 LND

Kv 39.8 227 498 759 1003 1228 1436 1626 1791 1938 2067 - - -20 x 16

Cv 46 379 800 1190 1540 1850 2110 2330 2510 2670 2800 0.9114.75 374.7 14.88 378 LN-SD

Kv 39.8 328 692 1029 1332 1600 1825 2015 2171 2310 2422 - - -

Cv 46 262 576 878 1160 1420 1160 1880 2070 2240 2390 0.9114.75 374.7 10.88 276 LND

Kv 39.8 227 498 759 1003 1228 1003 1626 1791 1938 2067 - - -

Cv 46 379 800 1190 1540 1850 2110 2330 2520 2670 2800 0.9124 x 16 14.75 374.7 14.88 378 LND

Kv 39.8 328 692 1029 1332 1600 1825 2015 2180 2310 2422 - - -

Cv 46 437 909 1340 1710 2030 2290 2510 2680 2830 2940 0.9114.75 374.7 16.88 429 LN-SD

Kv 39.8 378 786 1159 1479 1756 1981 2171 2318 2448 2543 - - -

Cv 56 468 995 1490 1960 2370 2750 3070 3360 3600 3810 0.9118.25 463.6 14.88 378 LND

Kv 48.4 405 861 1289 1695 2050 2379 2656 2906 3114 3296 - - -24 x 20

Cv 56 540 1130 1690 2190 2630 3010 3340 3620 3860 4050 0.9118.25 463.6 16.88 429 LN-SD

Kv 48.4 467 977 1462 1894 2275 2604 2889 3131 3339 3503 - - -1. Construction—SND = short-neck valve, drilled windows; LND - long-neck valve, drilled windows; LN-SD = long-neck valve with bonnet spacer, drilled windows.2. Do not allow the valve to throttle at less than the minimum coefficient shown for an extended time, or erosion damage to the valve seat might occur.

Design EWD & EWT-216-Inch and Larger Sizes

Class 150, 300, and 600Cavitrol" III Trim—One Stage

Flow Down


56789+# &'':()*+ HB.&2




PortDiameter

MaximumTravel Flow

Coeffi-for

1/4 in.Valve Opening—Percent of Total Travel

F (3)Size,Inches(1)

Inches mm Inches mm

Coeffi-cient

1/4 in.(6mm)

Travel(2) 10 20 30 40 50 60 70 80 90 100

FL(3)

Cv 13.7 26.9 42.1 60.0 76.8 90.2 101 110 117 123 0.89

4 x 2 2-5/16 58.7 1-1/8 29 Kv29.9

11.9 23.3 36.4 51.9 66.4 78.0 87.4 95.2 101 106 - - -4 x 2 2-5/16 58.7 1-1/8 29XT 0.660 0.639 0.663 0.652 0.660 0.705 0.777 0.843 0.868 0.860 0.793 - - -

Cv 39.4 85.2 147 208 268 321 355 373 379 382 0.88

6 x 4 4-3/8 111.1 2 51 Kv48.1

34.1 73.7 127 180 232 278 307 323 328 330 - - -6 x 4 4-3/8 111.1 2 51XT 0.600 0.619 0.587 0.591 0.633 0.662 0.682 0.726 0.748 0.770 0.781 - - -

Cv 42.1 88.2 149 212 269 314 365 405 437 450 0.85

8 x 4 4-3/8 111.1 2 51 Kv51.3

36.4 76.3 129 183 233 272 316 350 378 389 - - -8 x 4 4-3/8 111.1 2 51XT 0.585 0.578 0.573 0.560 0.579 0.640 0.726 0.733 0.726 0.727 0.704 - - -

Cv 79.3 152 249 346 442 533 606 650 683 714 0.86

8 x 6 7 177.8 2 51 Kv97.8

68.6 131 215 299 382 461 524 562 591 618 - - -8 x 6 7 177.8 2 51XT 0.661 0.682 0.671 0.634 0.655 0.663 0.681 0.688 0.709 0.715 0.671 - - -

Cv 86.1 168 261 359 460 554 641 720 799 874 0.79

12 x 6 7 177.8 2 51 Kv109

74.5 145 226 311 398 479 554 623 691 756 - - -12 x 6 7 177.8 2 51XT 0.594 0.614 0.563 0.571 0.608 0.630 0.660 0.677 0.706 0.735 0.736 - - -

Cv 151 313 471 617 748 848 918 956 971 1000 0.93

10 x 8 8 203.2 3 76 Kv- - -

131 271 407 534 647 734 794 827 840 865 - - -10 x 8 8 203.2 3 76XT - - - 0.632 0.606 0.625 0.663 0.698 0.751 0.798 0.838 0.864 0.842 - - -

Cv 157 322 480 632 760 860 957 1030 1080 1110 0.89

12 x 8 8 203.2 3 76 Kv- - -

136 279 415 547 657 744 828 891 934 960 - - -12 x 8 8 203.2 3 76XT - - - 0.718 0.716 0.712 0.730 0.789 0.844 0.855 0.873 0.866 0.836 - - -


Cv 6.88 13.7 21.5 29.9 39.1 49.0 60.0 72.2 84.5 96.2 0.89

4 x 2 2-5/16 58.7 1-1/8 29 Kv - - - 5.95 11.9 18.6 25.9 33.8 42.4 51.9 62.5 73.1 83.2 - - -4 x 2 2-5/16 58.7 1-1/8 29XT

- - -0.599 0.662 0.728 0.742 0.745 0.743 0.744 0.761 0.777 0.794 - - -

Cv 26.2 52.5 78.4 105 133 162 197 236 281 320 0.89

6 x 4 4-3/8 111.1 2 51 Kv - - - 22.7 45.4 67.8 90.8 115 140 170 204 243 277 - - -6 x 4 4-3/8 111.1 2 51XT

- - -0.713 0.640 0.661 0.667 0.659 0.666 0.666 0.676 0.690 0.725 - - -

Cv 25.1 51.5 78.1 104 130 157 192 234 281 328 0.89

8 x 4 4-3/8 111.1 2 51 Kv - - - 21.7 44.5 67.6 90.0 112 136 166 202 243 284 - - -8 x 4 4-3/8 111.1 2 51XT

- - -0.610 0.657 0.682 0.688 .0700 0.715 0.716 0.711 0.716 0.729 - - -

Cv 52.5 116 182 246 311 375 435 495 554 607 0.88

8 x 6 7 177.8 2 51 Kv - - - 45.4 100 157 213 269 324 376 428 479 525 - - -8 x 6 7 177.8 2 51XT

- - -0.655 0.678 0.688 0.708 0.726 0.728 0.723 0.729 0.720 0.679 - - -

Cv 57.4 122 186 248 311 375 441 510 591 675 0.84

12 x 6 7 177.8 2 51 Kv - - - 49.7 106 161 215 269 324 381 441 511 584 - - -12 x 6 7 177.8 2 51XT

- - -0.523 0.572 0.612 0.654 0.659 0.683 0.704 0.719 0.723 0.719 - - -

Cv 106 210 315 427 546 661 766 848 905 958 0.92

10 x 8 8 203.2 3 76 Kv - - - 91.7 182 272 369 472 572 663 734 783 829 - - -10 x 8 8 203.2 3 76XT

- - -0.677 0.677 0.708 0.711 0.702 0.705 0.731 0.777 0.831 0.820 - - -

Cv 119 218 336 447 564 680 795 895 981 1050 0.89

12 x 8 8 203.2 3 76 Kv - - - 103 189 291 387 488 588 688 774 849 908 - - -12 x 8 8 203.2 3 76XT

- - -0.678 0.768 0.811 0.791 0.802 0.811 0.809 0.819 0.837 0.836 - - -

1. The first number indicates both inlet and outlet sizes. The second number indicates nominal port size.2. When sizing self--operated regulators, use coefficients listed for 1/4 inch (6 mm) travel.3. At 100% travel.

Design EWSClasses 300 and 600Quick Opening & Linear CagesFlow Up through the Port


56789+# &'':()*+ HB.&;

Catalog 12



PortDiameter

MaximumTravel

FlowCoeffi-



FL(2)

Cv 2.40 4.16 5.97 8.37 12.2 17.6 26.3 38.1 52.7 67.5 0.90

4 x 2 2-5/16 58.7 1-1/8 29 Kv 2.08 3.60 5.16 7.24 10.6 15.2 22.7 33.0 45.6 58.4 - - -4 x 2 2-5/16 58.7 1-1/8 29XT 0.751 0.770 0.781 0.776 0.769 0.773 0.732 0.739 0.754 0.777 - - -

Cv 7.18 12.3 18.2 26.7 39.8 61.0 100 158 217 271 0.88

6 x 4 4-3/8 111.1 2 51 Kv 6.21 10.6 15.7 23.1 34.4 52.8 86.5 137 188 234 - - -6 x 4 4-3/8 111.1 2 51XT 0.794 0.778 0.775 0.773 0.773 0.776 0.718 0.687 0.707 0.694 - - -

Cv 8.37 12.8 20.0 28.5 42.2 64.6 102 156 214 269 0.90

8 x 4 4-3/8 111.1 2 51 Kv 7.24 11.1 17.3 24.7 36.5 55.9 88.2 135 185 233 - - -8 x 4 4-3/8 111.1 2 51XT 0.761 0.731 0.716 0.745 0.758 0.724 0.701 0.684 0.709 0.704 - - -

Cv 12.0 22.8 36.9 58.8 91.3 149 226 311 397 478 0.92

8 x 6 7 177.8 2 51 Kv 10.4 19.7 31.9 50.9 79.0 129 195 269 343 413 - - -8 x 6 7 177.8 2 51XT 0.733 0.783 0.874 0.859 0.836 0.791 0.773 0.782 0.755 0.727 - - -

Cv 18.6 30.0 43.8 65.7 97.1 153 231 312 395 476 0.88

12 x 6 7 177.8 2 51 Kv 16.1 25.9 37.9 56.8 84.0 132 200 270 342 412 - - -12 x 6 7 177.8 2 51XT 0.661 0.694 0.824 0.813 0.812 0.802 0.764 0.777 0.774 0.788 - - -

Cv 33.9 61.2 97.7 162 269 417 568 705 840 932 0.90

10 x 8 8 203.2 3 76 Kv 29.3 52.9 84.5 140 233 361 491 610 727 806 - - -10 x 8 8 203.2 3 76XT 0.836 0.867 0.894 0.796 0.744 0.704 0.699 0.712 0.725 0.760 - - -

Cv 28.8 58.1 102 175 294 452 654 859 989 1020 0.88

12 x 8 8 203.2 3 76 Kv 24.9 50.3 88.2 151 254 391 566 743 855 882 - - -12 x 8 8 203.2 3 76XT 0.769 0.832 0.928 0.930 0.797 0.744 0.651 0.581 0.646 0.766 - - -

Design EWS

Equal Percentage CagesFlow Up through the Port

Classes 300 & 600


56789+# &'':()*+ HB.&3




PortDiameter

MaximumTravel

FlowCoeffi-



FL(2)

Cv 14.2 27.7 39.8 51.7 63.8 76.2 88.3 99.9 111 118 - - -

4 x 2 2-5/16 58.7 1-1/8 29 Kv 12.3 24.0 34.4 44.7 55.2 65.9 76.4 86.4 96.0 102 - - -4 x 2 2-5/16 58.7 1-1/8 29XT 0.321 0.323 0.322 0.320 0.323 0.322 0.324 0.323 0.320 0.322 - - -

Cv 30.9 71.5 110 150 185 221 252 280 302 325 - - -

6 x 4 4-3/8 111.1 2 51 Kv 26.7 61.8 95 130 160 191 218 242 261 281 - - -6 x 4 4-3/8 111.1 2 51XT 0.520 0.340 0.299 0.290 0.286 0.286 0.298 0.313 0.329 0.331 - - -

Cv 34.3 75.5 115 153 190 226 261 295 322 343 - - -

8 x 4 4-3/8 111.1 2 51 Kv 29.7 65.3 99 132 164 195 226 255 279 297 - - -8 x 4 4-3/8 111.1 2 51XT 0.486 0.310 0.274 0.263 0.260 0.258 0.262 0.266 0.274 0.279 - - -

Cv 42.0 95.5 157 223 282 346 411 474 528 575 - - -

2 51 Kv 36.3 82.6 136 193 244 299 356 410 457 497 - - -2 51XT 0.571 0.460 0.386 0.358 0.358 0.345 0.331 0.324 0.334 0.319 - - -

8 x 6 7 177.8Cv 100 257 360 443 498 531 558 582 604 626 - - -

4 102 Kv 86.5 222 311 383 431 459 483 503 522 541 -- -4 102XT 0.308 0.228 0.305 0.351 0.432 0.566 0.652 0.710 0.748 0.744 - - -

Cv 49.6 123 193 262 331 401 466 532 592 639 - - -

2 51 Kv 42.9 106 167 227 286 347 403 460 512 553 -- -2 51XT 0.572 0.345 0.310 0.296 0.289 0.280 0.282 0.277 0.279 0.274 - - -

12 x 6 7 177.8Cv 94.0 229 345 450 544 650 765 835 855 940 - - -

4 102 Kv 81.3 198 298 389 471 562 662 722 740 813 -- -4 102XT 0.357 0.292 0.336 0.334 0.363 0.384 0.369 0.410 0.490 0.462 - - -

Cv 88.1 230 361 469 559 654 739 808 851 881 - - -

3 76 Kv 76.2 199 312 406 484 566 639 699 736 762 - - -3 76XT 0.507 0.393 0.348 0.338 0.359 0.379 0.409 0.434 0.469 0.536 - - -

10 x 8 8 203.2Cv 136 315 471 600 713 802 868 895 894 942 - - -

4 102 Kv 118 272 407 519 617 694 751 774 773 815 - - -4 102XT 0.453 0.358 0.347 0.365 0.390 0.433 0.490 0.582 0.690 0.694 - - -

1. The first number indicates both body inlet and outlet size. The second number indicates nominal port size.

Design EWSClass 300 & 600Whisper Trim" I CagesFlow Up through the Port


56789+# &'':()*+ HB.&<

Catalog 12

Whisper Trim III - Flow Up LinearCharacteristic (1)


PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total Travelx (4)Size,

Inches(2) Inches mm Inches mmCoeffi-cient Minimum(3) 20 30 40 50 60 70 80 90 100

xT(4)

A3 """"P/P1 !!!! 0.6Cv 4.00 96.5 157 213 267 323 378 422 452 460 0.727

8 x 6 5-3/8 136.5 5 127Kv 3.46 83.5 136 184 231 279 327 365 391 398 - - -

Cv 4.00 124 192 258 320 383 440 500 554 603 0.76612 x 6 5-3/8 136.5 6-1/2 165

Kv 3.46 107 166 223 277 331 381 433 479 522 - - -

B3 """"P/P1 !!!! 0.6Cv 4.67 72.3 108 143 178 213 248 280 314 347 0.563

8 x 6 5-3/8 136.5 5 127Kv 4.04 62.5 93 124 154 184 215 242 272 300 - - -

Cv 4.67 94.0 141 187 233 278 324 370 413 457 0.56312 x 6 5-3/8 136.5 6-1/2 165

Kv 4.04 81.3 122 162 202 240 280 320 357 395 - - -

C3 """"P/P1 !!!! 0.6Cv 4.67 50.0 74.7 99.3 124 149 173 197 221 245 0.563

8 x 6 5-3/8 136.5 5 127Kv 4.04 43.3 64.6 85.9 107 129 150 170 191 212 - - -

Cv 4.67 64.0 96.0 127 160 191 222 254 284 315 0.56312 x 6 5-3/8 136.5 6-1/2 165

Kv 4.04 55.4 83.0 110 138 165 192 220 246 272 - - -

D3 """"P/P1 !!!! 0.6Cv 4.67 12.7 31.4 55.0 79.7 104 128 152 177 201 0.563

8 x 6 5-3/8 136.5 5 127Kv 4.04 11.0 27.2 47.6 68.9 90.0 111 131 153 174 - - -

Cv 4.67 23.8 53.3 85.0 116 148 180 211 243 273 0.56312 x 6 5-3/8 136.5 6-1/2 165

Kv 4.04 20.6 46.1 73.5 100 128 156 183 210 236 - - -1. Level D exhibits an equal percentage characteristic for the first 1-1/2 inch (38 mm) of travel, then linear characteristic.2. The first number indicates both body inlet and outlet size. The second number indicates nominal port size.3. Valves should not be required to throttle at less than the specified minimum coefficient for an extended period of time. Erosion damage to the valve seats may result.4. This column lists XT factors at 100% travel.

Design EWS

Whisper Trim" III CageClasses 300 & 600


56789+# &'':()*+ HB.&4


Quick Opening - Flow Up Quick OpeningCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(2)

Cv 78.3 150 247 343 438 528 600 643 676 706 0.87

8 x 6 7 177.8 2 51 Kv 67.7 130 214 297 379 457 519 556 585 611 - - -8 x 6 7 177.8 2 51XT 0.760 0.745 0.697 0.715 0.733 0.751 0.758 0.786 0.787 0.747 - - -

Cv 157 322 480 632 760 860 957 1030 1080 1110 0.89

12 x 8 8 203.8 3 76 Kv 136 279 415 547 657 744 828 891 934 960 - - -12 x 8 8 203.8 3 76XT 0.718 0.716 0.712 0.730 0.789 0.844 0.855 0.873 0.866 0.836 - - -


Cv 51.5 115 181 245 310 374 434 494 553 606 0.89

8 x 6 7 177.8 2 51 Kv 44.5 99 157 212 268 324 375 427 478 524 - - -8 x 6 7 177.8 2 51XT 0.764 0.775 0.781 0.803 0.830 0.826 0.818 0.821 0.809 0.772 - - -

Cv 119 218 336 447 564 680 795 895 981 1050 0.89

12 x 8 8 203.8 3 76 Kv 103 189 291 387 488 588 688 774 849 908 - - -12 x 8 8 203.8 3 76XT 0.678 0.768 0.811 0.791 0.802 0.811 0.809 0.819 0.837 0.836 - - -


Cv 11.0 21.8 34.9 54.8 86.3 140 212 292 373 447 0.92

8 x 6 7 177.8 2 51 Kv 9.5 18.9 30.2 47.4 74.6 121 183 253 323 387 - - -8 x 6 7 177.8 2 51XT 0.839 0.823 0.935 0.953 0.897 0.859 0.844 0.855 0.819 0.791 - - -

Cv 28.8 58.1 102 175 294 452 654 859 989 1020 0.88

12 x 8 8 203.8 3 76 Kv 24.9 50.3 88 151 254 391 566 743 855 882 - - -12 x 8 8 203.8 3 76XT 0.769 0.832 0.928 0.930 0.797 0.744 0.651 0.581 0.646 0.766 - - -

1. The first number indicates both body inlet and outlet size. The second number indicates nominal port size.2. At 100% travel.

Design EWSClass 900Quick Opening, Linear, &Equal Percentage Cages


56789+# &'':()*+ HB.&:

Catalog 12



PortDiameter

MaximumTravel

MinimumThrottling

FlowCoeffi-


Inches(1) Inches mm Inches mmThrottling

Cv(2)

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(3)

One Stage

Cv 0.52 1.87 5.71 11.7 17.4 23.0 28.9 35.1 41.1 43.6 0.914 x 2 2-5/16 58.7 1-1/8 29 3.90

Kv 0.450 1.62 4.94 10.1 15.1 19.9 25.0 30.4 35.6 37.7 - - -

Cv 2.03 20.3 41.1 61.5 81.5 101 121 140 158 169 0.956 x 4 4-3/8 111.1 2-1/8 54 5.20

Kv 1.76 17.6 35.6 53.2 70.5 87.4 105 121 137 146 - - -

Cv 2.57 21 42 62.6 82.9 103 124 143 161 171 0.958 x 4 4-3/8 111.1 2-1/8 54 5.20

Kv 2.22 18.2 36.3 54.1 71.7 89.1 107.3 124 139 148 - - -

Cv 4.40 29 63.9 99.9 136 171 205 237 269 293 0.938 x 6 7 177.8 2-1/4 57 10.0

Kv 3.81 25.1 55.3 86.4 118 148 177 205 233 253 - - -

Cv 5.49 34.5 71.1 106 143 179 216 250 283 305 0.9312 x 6 7 177.8 2-1/4 57 10.0

Kv 4.75 29.8 61.5 91.7 124 155 187 216 245 264 - - -

Cv 13.6 62.3 117 171 225 278 331 385 438 487 0.9012 x 8(4) 8 203.2 3-3/8 86 15.0

Kv 11.8 53.9 101 148 195 240 286 333 379 421 - - -

Cv 82.0 163 245 327 408 490 572 653 735 816 0.9212 x 8(5) 8 203.2 6 152 15.0

Kv 70.9 141 212 283 353 424 495 565 636 706 - - -

Two Stage

Cv 0.84 3.19 5.54 7.92 10.3 12.5 15.4 17.3 19.7 22.0 0.984 x 2 1-7/8 4736 2 51 0.92

Kv 0.73 2.76 4.79 6.85 8.91 10.8 13.3 15.0 17.0 19.0 - - -

Cv 3.48 11.0 18.5 26.0 33.4 41.0 48.5 56.0 63.2 71.0 0.986 x 4 2-7/8 73.0 4 102 1.90

Kv 3.01 9.52 16.0 22.5 28.9 35.5 42.0 48.4 54.7 61.4 - - -

Cv 10.9 29.4 47.9 66.6 85.1 104 122 140 160 178 0.988 x 6 5-3/8 136.5 5 127 3.00

Kv 9.43 25.4 41.4 57.6 73.6 90.0 106 121 138 154 - - -

Cv 14.1 35.6 57.0 78.6 100 121 143 165 186 208 0.9812 x 6 5-3/8 136.5 6 152 3.00

Kv 12.2 30.8 49.3 68.0 86.5 105 124 143 161 180 - - -

Cv 27.7 54.7 81.6 109 137 163 190 218 245 272 0.9812 x 8 7 177.8 6 152 7

Kv 24.0 47.3 70.6 94.3 119 141 164 189 212 235 - - -

Design EWT

Cavitrol" III CageClasses 600 & 900


56789+# &'':()*+ HB.&'




PortDiameter

MaximumTravel

MinimumThrottling

FlowCoeffi-


Inches(1) Inches mm Inches mmThrottling

Cv(2)

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(3)

One Stage

Cv 3.96 26.0 51.9 77.9 104 130 156 181 207 236 0.932 51 10.0

Kv 3.43 22.5 44.9 67.4 90.0 112 135 157 179 204 - - -8 x 6 7 177.8

Cv 24.8 79.2 131 183 238 292 344 396 451 495 0.935 127 10.0

Kv 21.5 68.5 113 158 206 253 298 343 390 428 - - -

Cv 13.6 62.3 117 171 225 278 331 385 438 487 0.9012 x 8(4) 8 8 3-3/8 60 15.0

Kv 11.8 53.9 101 148 195 240 286 333 379 421 - - -

Cv 69.0 138 207 276 345 414 483 552 622 690 0.9212 x 8(5) 8 8 6 152 15.0

Kv 59.7 119 179 239 298 358 418 477 538 597 - - -

Two Stage

Cv 11.8 32.0 52.2 72.5 92.7 113 133 153 174 175 0.988 x 6 5-3/8 136.5 5 127 3.00

Kv 10.2 27.7 45.2 62.7 80.2 97.7 115 132 151 151 - - -

Cv 27.2 54.4 81.6 109 136 163 190 218 245 272 0.9812 x 8 7 177.8 6 152 7.0

Kv 23.5 47.1 70.6 94.3 118 141 164 189 212 235 - - -1. The first number indicates both body inlet and outlet size.The second number indicates nominal port size.2. Valves should not be required to throttle at a Cv less than the specified minimum Cv for an extended period of time. Erosion damage to the valve seats may result.3. At 100% travel.4. This construction has an internal cage spacer and load ring.5. This construction has a load ring.

Notes: All other Design EWT flow coefficients are identical to the Design EWD. Refer to the Design EWD information. For additional Design EWTbody information refer to Bulletin 51.1:EW.

Printed in U.S.A. on recycled paper.

!Fisher Controls International, Inc., 1988, 1999;All Rights Reserved

!"#$% &'''()*+ HB./=

Catalog 12

Design EWTClass 600 & 900Cavitrol" III Cage

The Design EWT-C has flow coefficients identical to the 6 x 4 through12 x 6-inch sizes of the Class 150 - 600 EWD. Please refer to thosecoefficients. For additional Design EWT-C valve information, pleaserefer to Bulletin 51.1:easy-e" Cryogenic.

Design EWT-C


56789+# &'':()*+ HB./&

Catalog 12easy-e, Cavitrol, Fisher, and Fisher-Rosemount are marks owned byFisher Controls International, Inc. or Fisher-Rosemount Systems, Inc. Allother marks are the property of their respective owners.

The Design EWT-1 valve has flow coefficients identical to theDesign EWD-1 valve. Refer to the Design EWD-1 information.For additional Design EWT-1 valve body information refer toBulletin 51.1:EW.

Design EWT-1

Printed in U.S.A. on recycled paper.


!"#$% &'''()*+ HB.//

Catalog 12

16 x 10 Inch Size

Design EWND & EWNTClass 300


56789+# &'':()*+ HBL.&

Catalog 12Cavitrol, Fisher, Fisher-Rosemount, and Whisper Trim are marks ownedby Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.All other marks are the property of their respective owners.

EWND/EWNT (Flow Down) Ouick OpeningCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-


Inches Inches mm Inches mmCoeffi-cient 5 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 234 453 841 1220 1530 1780 1950 2080 2180 2220 2230 0.79

16 x 10 10-1/8 257.2 6 152 Kv 202 392 727 1055 1323 1540 1687 1799 1886 1920 1929 - - -16 x 10 10-1/8 257.2 6 152XT 0.872 0.704 0.698 0.682 0.681 0.668 0.669 0.652 0.628 0.618 0.614 - - -


Cv 152 307 576 834 1090 1320 1520 1680 1820 1940 2020 0.82

16 x 10 10-1/8 257.2 4 102 Kv 131 266 498 721 943 1142 1315 1453 1574 1678 1747 - - -16 x 10 10-1/8 257.2 4 102XT 0.668 0.676 0.673 0.670 0.670 0.701 0.698 0.702 0.702 0.687 0.671 - - -


Cv 109 126 180 238 305 447 654 959 1348 1756 2090 0.77

16 x 10 10-1/8 257.2 6 152 Kv 94.3 109 156 206 264 387 566 830 1166 1519 1808 - - -16 x 10 10-1/8 257.2 6 152XT 0.608 0.655 0.640 0.596 0.525 0.443 0.473 0.503 0.529 0.546 0.546 - - -

1. At 100% travell.

EWNT Cavitrol"""" III One Stage (Flow Down) LinearCharacteristic


MaximumTravel

FlowMinimum Valve Opening—Percent of Total Travel


Coeffi-cient Coefficient (1)

5 10 20 30 40 50 60 70 80 90 100FL

(2)

Cv 43 119 272 424 577 729 882 1030 1190 1340 1490 0.8716 x 10 10-1/8 257.2 9 229

Kv17

37.2 103 235 367 499 631 763 891 1029 1159 1289 - - -1. Valves should not be required to throttle at a CV less than the specified minimum coefficient for an extended period of time. Erosion damage to the valve seat may result.2. At 100% travel.


56789+# &'':()*+ HBL./

Catalog 12

Class 300 & 600 - Flow Up LinearCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-

Valve Opening—Percent of Total Travel XTat Max.Size,

Inches(1) Inches mm Inches mmCoeffi-cient Minimum(2) 10 20 30 40 50 60 70 80 90 100

at Max.Travel

A1 & A3 """"P/P1 !!!! 0.6

Cv 4.67 117 235 352 469 587 704 821 939 1060 1170 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 101 203 304 406 508 609 710 812 917 1012 - - -

B1 & B3 """"P/P1 !!!! 0.75

Cv 4.67 77.0 154 231 308 385 462 539 616 693 770 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 66.6 133 200 266 333 400 466 533 599 666 - - -

C1 & C3 """"P/P1 !!!! 0.85

Cv 4.67 54.3 109 163 217 272 326 380 435 489 543 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 47.0 94.3 141 188 235 282 329 376 423 470 - - -

D1 & D3 """"P/P1 !!!! 0.99

Cv 4.67 46.3 92.7 139 185 232 278 324 371 417 463 0.56312 x 8 6-3/4 196.8 8 203

Kv 4.04 40.0 80.2 120.2 160 201 240 280 321 361 400 - - -

Class 900 - Flow Up LinearCharacteristic (4)

A1 """"P/P1 !!!! 0.6

Cv 2.43 49.1 110 171 232 294 346 391 423 449 469 0.7668 x 6 5-3/8 136.5 5 127

Kv 2.10 42.5 95.2 148 201 254 299 338 366 388 406 - - -

Cv 4.67 117 235 352 469 587 704 821 939 1060 1170 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 101 203 304 406 508 609 710 812 917 1012 - - -

A3 """"P/P1 !!!! 0.6

Cv 2.44 37.6 85.6 134 181 230 277 319 359 394 420 0.7578 x 6 5-3/8 136.5 5 127

Kv 2.11 32.5 74.0 116 157 199 240 276 311 341 363 - - -

Cv 4.67 117 235 352 469 587 704 821 939 1060 1170 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 101 203 304 406 508 609 710 812 917 1012 - - -

B1(3) & B3 """"P/P1 !!!! 0.75

Cv 2.83 33.0 69.3 106 142 178 215 251 288 324 353 0.5638 x 6 5-3/8 136.5 5 127

Kv 2.45 28.5 59.9 91.7 123 154 186 217 249 280 305 - - -

Cv 4.67 77.0 154 231 308 385 462 539 616 693 770 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 66.6 133 200 266 333 400 466 533 599 666 - - -

C1(3) & C3 """"P/P1 !!!! 0.85

Cv 2.98 19.1 43.9 67.0 93.0 118 143 167 190 220 239 0.5088 x 6 5-3/8 136.5 5 127

Kv 2.58 16.5 38.0 58.0 80.4 102 124 144 164 190 207 - - -

Cv 4.67 54.3 109 163 217 272 326 380 435 489 543 0.56312 x 8 7-3/4 196.8 8 203

Kv 4.04 47.0 94.3 141 188 235 282 329 376 423 470 - - -

D1(3) & D3 """"P/P1 !!!! 0.99

Cv 3.04 10.5 21.7 46.8 71.4 95.4 120 144 169 194 215 0.4908 x 6 5-3/8 136.5 5 127

Kv 2.63 9.08 18.8 40.5 61.8 82.5 104 125 146 168 186 - - -

Cv 4.67 46.3 92.7 139 185 232 278 324 371 417 463 0.56312 x 8 6-3/4 171.5 8 203

Kv 4.04 40.0 80.2 120 160 201 240 280 321 361 400 - - -1. The first number indicates both inlet and outlet size. The second number indicates nominal port size.2. Valves should not be required to throttle at less than the specified minimum coefficient for an extended period of time or erosion damage to the valve seat may result.3. Levels B1, C1, and D1 are not available in Class 900 8 x 6 EWND valve body.4. Equal percentage for first 1-1/2 inch of travel, then linear.

The coefficients shown on this page are also appropriate for the Class 300 and 600 Design EWNT-2 and the Class 900 Design EWNT-1.

!"#$%& '()!*+

Whisper Trim" III Cage,-.##"# /001 2001 3 400


56789+# &'':()*+ HBL.2


EWNS (Flow Up) Quick OpeningCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 221 499 855 1190 1510 1780 1970 2100 2160 2180 2210 0.87

16 x 10 10-1/8 257.2 6 152 Kv 191 432 740 1029 1306 1540 1704 1817 1868 1886 1912 - - -16 x 10 10-1/8 257.2 6 152XT 0.689 0.506 0.642 0.682 0.669 0.652 0.649 0.644 0.643 0.646 0.638 - - -


Cv 139 343 614 865 1020 1280 1500 1680 1850 1980 2080 0.87

16 x 10 10-1/8 257.2 4 102 Kv 120 297 531 748 882 1107 1298 1453 1600 1713 1799 - - -16 x 10 10-1/8 257.2 4 102XT 0.786 0.475 0.574 0.627 0.770 0.709 0.686 0.670 0.653 0.647 0.660 - - -


Cv 36.0 63.2 124 189 271 401 587 837 1160 1510 1780 0.83

16 x 10 10-1/8 257.2 6 152 Kv 31.1 54.7 107 163 234 347 508 724 1003 1306 1540 - - -16 x 10 10-1/8 257.2 6 152XT 0.492 0.565 0.533 0.501 0.469 0.470 0.476 0.497 0.534 0.580 0.652 - - -

1. At 100% travel..

Design EWNS

16 x 10 Inch Size

Class 300


56789+# &'':()*+ HBL.;

Catalog 12

The Class 900 Design EWNT-1 valve has flow coefficients identicalto the Class 900 Design EWND-1 valve, and the Class 300 and 600Design EWNT-2 valve has flow coefficients identical to the Class300 and 600 Design EWND-1 valve. Refer to the Design EWND-1information. For additional Design EWNT-1 and EWNT-2 valvebody information, refer to Bulletin 51.1:EWN.

!"#$%&# '()5*+ 3 '()5*6

Quick Opening Valve Plug

Design EZ


56789+# &'':()*+ HM . &




PortDiameter


Coeffi-

Coeffs.for 1/4 Inch Valve Opening—Percent of Total Travel


Coeffi-cient

(6 mm)Travel(2) 10 20 30 40 50 60 70 80 90 100

FL(3)

Cv - - - 1.76 3.29 4.29 4.44 4.44 4.44 4.44 4.44 4.44 4.44 0.83

1/2 1 25.4 3/4 19 Kv - - - 1.52 2.85 3.71 3.84 3.84 3.84 3.84 3.84 3.84 3.84 - - -1/2 1 25.4 3/4 19XT - - - 0.364 0.649 0.764 0.863 0.894 0.894 0.894 0.894 0.894 0.894 - - -

Cv - - - 3.85 7.19 9.40 9.72 9.72 9.72 9.72 9.72 9.72 9.72 0.88

3/4 1 25.4 3/4 19 Kv - - - 3.33 6.22 8.13 8.41 8.41 8.41 8.41 8.41 8.41 8.41 - - -3/4 1 25.4 3/4 19XT - - - 0.314 0.559 0.654 0.742 0.769 0.769 0.769 0.769 0.769 0.769 - - -

Cv 14.7 4.39 10.3 14.0 15.5 16.2 16.6 16.8 16.8 16.9 16.9 0.94

Kv 12.7 3.80 8.91 12.1 13.4 14.0 14.4 14.5 14.5 14.6 14.6 - - -1 1 25.4 3/4 19

XT 14.7 0.400 0.449 0.523 0.539 0.535 0.512 0.500 0.500 0.494 0.494 - - -

Fd - - - 0.20 0.29 0.39 0.48 0.50 0.50 0.50 0.50 0.50 0.50 - - -

Cv 22.6 5.64 11.9 20.6 27.4 30.5 32.4 33.4 33.7 34.1 34.2 0.96

Kv 19.5 4.88 10.3 17.8 23.7 26.4 28.0 28.9 29.2 29.5 29.6 - - -1-1/2 38.1 3/4 19

XT 22.6 0.623 0.734 0.726 0.814 0.843 0.857 0.861 0.860 0.853 0.848 - - -

1-1/2 Fd - - - 0.16 0.24 0.32 0.39 0.45 0.50 0.50 0.50 0.50 0.50 - - -1-1/2Cv 15.7 4.17 8.94 14.6 17.4 18.3 18.8 18.9 19.0 19.1 19.4 0.90

1 25.4 3/4 19 Kv 13.6 3.61 7.73 12.6 15.1 15.8 16.3 16.3 16.4 16.5 16.8 - - -1 25.4 3/4 19XT 15.7 0.617 0.791 0.793 0.904 0.925 0.924 0.922 0.915 0.905 0.878 - - -

Cv 34.0 13.0 30.1 44.3 52.4 56.4 57.8 58.4 58.5 58.6 58.6 0.94

Kv 29.4 11.2 26.0 38.3 45.3 48.8 50.0 50.5 50.6 50.7 50.7 - - -2 50.8 1-1/8 29

XT 34.0 0.548 0.663 0.765 0.813 0.818 0.833 0.831 0.836 0.834 0.834 - - -

2 Fd - - - 0.17 0.28 0.36 0.43 0.49 0.50 0.50 0.50 0.50 0.50 - - -2Cv 15.8 4.35 9.79 14.9 16.6 17.3 17.5 17.5 17.6 17.7 17.9 0.86

1 25.4 3/4 19 Kv 13.7 3.76 8.47 12.9 14.4 15.0 15.1 15.1 15.2 15.3 15.5 - - -1 25.4 3/4 19XT 15.8 0.524 0.594 0.695 0.877 0.937 0.944 0.958 0.952 0.942 0.921 - - -

Cv 53.8 30.8 65.1 92.4 110 118 123 126 128 129 129 0.91

Kv 46.5 26.6 56.3 79.9 95.2 102 106 109 111 112 112 - - -3 76.2 1-1/2 38

XT 53.8 0.672 0.714 0.713 0.742 0.784 0.785 0.783 0.776 0.774 0.774 - - -

3 Fd - - - 0.17 0.27 0.35 0.42 0.47 0.50 0.50 0.50 0.50 0.50 - - -3Cv 32.2 9.99 27.6 44.9 61.0 71.9 78.4 83.1 86.2 87.5 88.4 0.95

2 50.8 1-1/8 29 Kv 27.9 8.64 23.9 38.8 52.8 62.2 67.8 71.9 74.6 75.7 76.5 - - -2 50.8 1-1/8 29XT 32.2 0.527 0.511 0.652 0.720 0.780 0.820 0.814 0.798 0.790 0.779 - - -

Cv 68.2 50.8 116 159 185 201 212 219 222 223 223 0.88

Kv 59.0 43.9 100 138 160 174 183 189 192 193 193 - - -4 101.6 2 51

XT 68.2 0.733 0.653 0.724 0.805 0.809 0.816 0.809 0.812 0.831 0.835 - - -

4 Fd - - - 0.18 0.28 0.36 0.42 0.48 0.50 0.50 0.50 0.50 0.50 - - -4Cv 37.4 13.5 32.3 52.2 66.2 74.4 81.1 85.0 85.8 86.3 86.7 0.85

2 50.8 1-1/8 29 Kv 32.4 11.7 27.9 45.2 57.3 64.4 70.2 73.5 74.2 74.6 75.0 - - -2 50.8 1-1/8 29XT 37.4 0.490 0.556 0.609 0.672 0.793 0.772 0.728 0.714 0.711 0.704 - - -

1. When using Type 655-EZ as a control valve for on-off service, the maximum travel for sizing purposes is 3/4-inch (19 mm).2. When sizing self-operated regulators, use coefficients listed for 1/4-inch (6 mm) travel.3. At 100% travel.

Restricted trim.

The flow coefficients shown on this page are appropriate for Design EZ-C valves.



PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 2.21 3.87 5.29 6.56 8.2 9.82 11.1 12.1 13.0 13.6 0.96

1 1 25.4 3/4 19 Kv 1.91 3.35 4.58 5.67 7.09 8.49 9.60 10.5 11.2 11.8 - - -1 1 25.4 3/4 19XT 0.638 0.601 0.638 0.634 0.638 0.629 0.636 0.680 0.769 0.834 - - -

Cv 3.99 7.53 11.1 14.8 18.7 22.5 25.8 29.2 31.2 31.9 0.96

1-1/2 38.1 3/4 19 Kv 3.45 6.51 9.6 12.8 16.2 19.5 22.3 25.3 27.0 27.6 - - -1-1/2 38.1 3/4 19XT 0.633 0.651 0.657 0.691 0.674 0.674 0.696 0.704 0.757 0.818 - - -

1-1/2Cv 1.96 3.42 4.94 6.11 7.8 9.3 10.9 13 15.1 16.7 0.96

1 25.4 3/4 19 Kv 1.70 2.96 4.27 5.29 6.75 8.04 9.43 11.2 13.1 14.4 - - -1 25.4 3/4 19XT 0.469 0.578 0.600 0.690 0.652 0.655 0.637 0.625 0.719 0.796 - - -

Cv 6.08 11.9 18.0 24.1 30.1 36.4 42.8 49.9 52.0 52.4 0.95

2 50.8 1-1/8 29 Kv 5.26 10.3 15.6 20.8 26.0 31.5 37.0 43.2 45.0 45.3 - - -2 50.8 1-1/8 29XT 0.560 0.644 0.655 0.675 0.701 0.724 0.779 0.773 0.862 0.924 - - -

2Cv 1.88 3.41 4.95 6.49 8.06 9.67 11.23 12.79 14.35 15.7 0.94

1 25.4 3/4 19 Kv 1.63 2.95 4.28 5.61 6.97 8.36 9.71 11.1 12.4 13.6 - - -1 25.4 3/4 19XT 0.609 0.593 0.597 0.624 0.621 0.626 0.642 0.633 0.750 0.910 - - -

Cv 15.4 29.6 43.4 58.3 71.8 83.9 93.8 103 108 110.4 0.92

3 76.2 1-1/2 38 Kv 13.3 25.6 37.5 50.4 62.1 72.6 81.1 89.1 93.4 95.5 - - -3 76.2 1-1/2 38XT 0.622 0.642 0.692 0.691 0.690 0.721 0.759 0.788 0.839 0.888 - - -

3Cv 6.59 13.3 20.7 28.1 36.0 44.0 55.6 67.5 76.2 80.4 0.94

2 50.8 1-1/8 29 Kv 5.70 11.5 17.9 24.3 31.1 38.1 48.1 58.4 65.9 69.5 - - -2 50.8 1-1/8 29XT 0.564 0.500 0.522 0.609 0.577 0.594 0.563 0.582 0.677 0.749 - - -

Cv 21.3 39.7 57.5 75.8 100 129 157 180 199 209 0.89

4 101.6 2 51 Kv 18.4 34.3 49.7 65.6 86.5 112 136 156 172 181 - - -4 101.6 2 51XT 0.554 0.628 0.684 0.723 0.665 0.608 0.677 0.826 0.862 0.866 - - -

4Cv 6.16 12.8 20.0 27.8 36.1 45.1 58.8 67.5 78.8 86.8 0.90

2 50.8 1-1/8 29 Kv 5.33 11.1 17.3 24.0 31.2 39.0 50.9 58.4 68.2 75.1 - - -2 50.8 1-1/8 29XT 0.740 0.644 0.642 0.619 0.602 0.605 0.552 0.614 0.644 0.736 - - -


Notes: The coefficients shown on this page are also appropriate for Design EZ-C valves.

Design EZ

Linear Valve Plug


56789+# &'':()*+ HM . /

Catalog 12



PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.79 1.25 1.80 2.53 3.63 5.28 7.59 10.7 12.7 13.2 0.96

Kv 0.683 1.08 1.56 2.19 3.14 4.57 6.57 9.26 11.0 11.4 - - -1 1 25.4 3/4 19

XT 0.641 0.634 0.598 0.586 0.584 0.596 0.646 0.680 0.757 0.886 - - -

Fd 0.091 0.11 0.13 0.16 0.19 0.24 0.30 0.37 0.43 0.50 - - -

Cv 0.795 1.23 1.91 2.95 4.30 6.46 9.84 16.4 22.2 28.1 0.97

Kv 0.688 1.06 1.65 2.55 3.72 5.59 8.51 14.2 19.2 24.3 - - -1-1/2 38.1 3/4 19

XT 0.726 0.676 0.733 0.645 0.589 0.558 0.597 0.653 0.777 0.840 - - -

1-1/2 Fd 0.077 0.086 0.10 0.12 0.15 0.17 0.22 0.27 0.34 0.40 - - -1-1/2Cv 0.770 1.23 1.78 2.58 3.67 5.54 8.30 12.0 15.1 17.3 0.98

1 25.4 3/4 19 Kv 0.666 1.06 1.54 2.23 3.17 4.79 7.18 10.4 13.1 15.0 - - -1 25.4 3/4 19XT 0.654 0.619 0.601 0.605 0.561 0.534 0.518 0.575 0.704 0.861 - - -

Cv 1.65 2.61 4.30 6.62 11.1 20.7 32.8 44.7 50.0 53.8 0.95

Kv 1.43 2.26 3.72 5.73 9.60 17.9 28.4 38.7 43.3 46.5 - - -2 50.8 1-1/8 29

XT 0.655 0.581 0.520 0.559 0.552 0.529 0.653 0.801 0.903 0.899 - - -

2 Fd 0.069 0.085 0.11 0.13 0.18 0.23 0.30 0.37 0.44 0.50 - - -2Cv 1.02 1.50 2.05 2.78 3.90 5.57 8.16 11.8 14.5 15.9 0.92

1 25.4 3/4 19 Kv 0.882 1.30 1.77 2.40 3.37 4.82 7.06 10.2 12.5 13.8 - - -1 25.4 3/4 19XT 0.596 0.616 0.600 0.580 0.572 0.555 0.523 0.547 0.671 0.905 - - -

Cv 3.11 5.77 9.12 13.7 21.7 36.0 60.4 86.4 104 114 0.92

Kv 2.69 4.99 7.89 11.9 18.8 31.1 52.2 74.7 90.0 98.6 - - -3 76.2 1-1/2 38

XT 0.619 0.595 0.598 0.619 0.594 0.563 0.586 0.729 0.778 0.781 - - -

3 Fd 0.062 0.081 0.10 0.12 0.16 0.20 0.26 0.33 0.40 0.46 - - -3Cv 2.11 3.11 4.58 6.76 10.7 20.7 34.3 48.3 61.5 71.6 0.92

2 50.8 1-1/8 29 Kv 1.83 2.69 3.96 5.85 9.26 17.9 29.7 41.8 53.2 61.9 - - -2 50.8 1-1/8 29XT 0.874 0.699 0.643 0.626 0.587 0.451 0.493 0.587 0.648 0.734 - - -

Cv 4.90 8.19 13.5 20.1 31.2 52.6 96.7 140 170 190 0.90

Kv 4.24 7.08 11.7 17.4 27.0 45.5 83.6 121 147 164 - - -4 101.6 2 51

XT 0.594 0.573 0.560 0.568 0.572 0.564 0.532 0.707 0.807 0.834 - - -

4 Fd 0.052 0.065 0.080 0.10 0.13 0.17 0.23 0.31 0.38 0.44 - - -4Cv 1.96 3.05 4.43 6.98 11.9 22.3 36.7 50.9 61.8 72.7 0.92

2 50.8 1-1/8 29 Kv 1.70 2.64 3.83 6.04 10.3 19.3 31.7 44.0 53.5 62.9 - - -2 50.8 1-1/8 29XT 0.619 0.575 0.624 0.610 0.678 0.639 0.646 0.673 0.778 0.781 - - -


Notes: The coefficients shown on this page are appropriate for Design EZ-C valves.

Design EZ

Equal Percentage Valve Plug


56789+# &'':()*+ HM . 2

Catalog 12Fisher, Fisher-Rosemount, and Micro-Form are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

Micro-Form Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.075 0.088 0.124 0.175 0.236 0.327 0.464 0.641 0.881 1.22 1.52 0.88All Sizes

1/4 6.4 3/4 19 Kv 0.065 0.076 0.107 0.151 0.204 0.283 0.401 0.554 0.762 1.06 1.31 - - -1/2 - 2 1/4 6.4 3/4 19

XT 0.804 0.771 0.717 0.658 0.645 0.620 0.585 0.596 0.596 0.603 0.647 - - -

Cv 0.102 0.134 0.202 0.313 0.448 0.613 0.879 1.27 1.77 2.47 3.00 0.93

3/8 9.5 3/4 19 Kv 0.088 0.116 0.175 0.271 0.388 0.530 0.760 1.10 1.53 2.14 2.59 - - -3/8 9.5 3/4 19XT 0.766 0.711 0.679 0.618 0.602 0.588 0.564 0.580 0.599 0.593 0.723 - - -

1/2Cv 0.137 0.193 0.324 0.496 0.737 1.07 1.52 2.13 2.93 3.89 4.52 0.94

1/2 12.7 3/4 19 Kv 0.119 0.167 0.280 0.429 0.638 0.926 1.31 1.84 2.53 3.36 3.91 - - -1/2 12.7 3/4 19XT 0.739 0.689 0.631 0.595 0.603 0.602 0.592 0.604 0.636 0.687 0.754 - - -

Cv 0.101 0.131 0.205 0.312 0.446 0.618 0.882 1.28 1.80 2.45 3.03 0.93

3/8 9.5 3/4 19 Kv 0.087 0.113 0.177 0.270 0.386 0.535 0.763 1.11 1.56 2.12 2.62 - - -3/8 9.5 3/4 19XT 0.807 0.751 0.642 0.655 0.616 0.597 0.603 0.601 0.607 0.650 0.736 - - -

Cv 0.133 0.190 0.318 0.486 0.732 1.07 1.52 2.15 3.07 4.20 5.06 0.94

3/4 1/2 12.7 3/4 19 Kv 0.115 0.164 0.275 0.420 0.633 0.926 1.31 1.86 2.66 3.63 4.38 - - -3/4 1/2 12.7 3/4 19XT 0.780 0.720 0.655 0.628 0.606 0.598 0.598 0.596 0.596 0.636 0.722 - - -

Cv 0.276 0.373 0.617 0.948 1.44 2.14 3.10 4.43 6.14 7.58 8.35 0.87

3/4 19.1 3/4 19 Kv 0.239 0.323 0.534 0.820 1.25 1.85 2.68 3.83 5.31 6.56 7.22 - - -3/4 19.1 3/4 19XT 0.734 0.702 0.618 0.634 0.605 0.607 0.646 0.670 0.699 0.730 0.693 - - -

Cv 0.099 0.129 0.199 0.308 0.448 0.620 0.882 1.29 1.80 2.43 3.07 0.89

3/8 9.5 3/4 19 Kv 0.086 0.112 0.172 0.266 0.388 0.536 0.763 1.12 1.56 2.10 2.66 - - -3/8 9.5 3/4 19XT 0.795 0.747 0.663 0.641 0.593 0.569 0.568 0.560 0.571 0.624 0.662 - - -

Cv 0.133 0.189 0.319 0.492 0.735 1.08 1.53 2.12 2.99 4.17 4.91 0.93

1 1/2 12.7 3/4 19 Kv 0.115 0.163 0.276 0.426 0.636 0.934 1.32 1.83 2.59 3.61 4.25 - - -1 1/2 12.7 3/4 19XT 0.787 0.728 0.639 0.628 0.591 0.573 0.585 0.600 0.618 0.645 0.803 - - -

Cv 0.276 0.374 0.622 0.965 1.47 2.17 3.15 4.57 6.52 8.17 8.84 0.97

3/4 19.1 3/4 19 Kv 0.239 0.324 0.538 0.835 1.27 1.88 2.72 3.95 5.64 7.07 7.65 - - -3/4 19.1 3/4 19XT 0.723 0.687 0.614 0.588 0.560 0.571 0.596 0.603 0.624 0.750 0.919 - - -

Cv 0.096 0.121 0.190 0.302 0.435 0.600 0.864 1.26 1.80 2.56 3.20 0.84

3/8 9.5 3/4 19 Kv 0.083 0.105 0.164 0.261 0.376 0.519 0.747 1.09 1.56 2.21 2.77 - - -3/8 9.5 3/4 19XT 0.923 0.915 0.763 0.699 0.657 0.640 0.624 0.608 0.596 0.594 0.648 - - -

Cv 0.145 0.199 0.323 0.503 0.735 1.07 1.54 2.14 3.08 4.36 5.18 0.911-1/2

1/2 12.7 3/4 19 Kv 0.125 0.172 0.279 0.435 0.636 0.926 1.33 1.85 2.66 3.77 4.48 - - -and 2 1/2 12.7 3/4 19

XT 0.851 0.748 0.686 0.640 0.617 0.627 0.602 0.607 0.607 0.573 0.705 - - -

Cv 0.336 0.434 0.683 1.00 1.49 2.21 3.18 4.61 6.73 8.88 10.2 0.92

3/4 19.1 3/4 19 Kv 0.291 0.375 0.591 0.865 1.29 1.91 2.75 3.99 5.82 7.68 8.82 - - -3/4 19.1 3/4 19XT 0.784 0.747 0.625 0.636 0.596 0.578 0.603 0.593 0.591 0.680 0.796 - - -

1. At 100% travel.

Notes: The coefficients on this page are also appropriate for Design EZ-C valves.

Design EZ

Micro-Form! Valve Plug


56789+# &'':()*+ HM . ;

Catalog 12

Micro-Flute!!!! Equal PercentageCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.0385 0.0455 0.0560 0.0719 0.0942 0.124 0.162 0.212 0.278 0.354 0.87

1/4 1 Flute 6.4 1 Flute 3/4 19 Kv 0.033 0.039 0.048 0.062 0.081 0.107 0.140 0.183 0.240 0.306 - - -

All Sizes

1/4 1 Flute 6.4 1 Flute 3/4 19XT 0.778 0.734 0.690 0.653 0.642 0.635 0.637 0.634 0.632 0.656 - - -All Sizes

1/2 - 2 Cv 0.0562 0.0725 0.101 0.146 0.216 0.312 0.433 0.588 0.802 1.07 0.90

1/4 3 Flutes 6.4 3 Flutes 3/4 19 Kv 0.049 0.063 0.087 0.126 0.187 0.270 0.375 0.509 0.694 0.926 - - -1/4 3 Flutes 6.4 3 Flutes 3/4 19XT 0.692 0.648 0.639 0.625 0.600 0.586 0.597 0.613 0.620 0.624 - - -

1. At 100% travel.

Micro-Flow!!!! Equal PercentageCharacteristic

Port Maximum AngleValve Port

DiameterMaximum

TravelAngle“A” Flow Valve Opening—Percent of Total Travel


ofFlat

Coeffi-cient 10 20 30 40 50 60 70 80 90 100

FL(1)

Cv 0.015 0.020 0.024 0.028 0.034 0.041 0.048 0.056 0.066 0.075 0.89

1#55’ Kv 0.013 0.017 0.021 0.024 0.029 0.035 0.042 0.048 0.057 0.065 - - -

All Sizes

1#55’XT 0.964 0.888 0.906 0.947 0.942 0.928 0.949 0.947 0.918 0.934 - - -All Sizes

1/2 - 2 3/16 4/8 3/4 19Cv 0.016 0.026 0.038 0.052 0.070 0.088 0.107 0.127 0.153 0.181 0.84

3#25’ Kv 0.014 0.022 0.033 0.045 0.061 0.076 0.093 0.110 0.132 0.157 - - -3#25’XT 0.707 0.697 0.687 0.700 0.675 0.679 0.680 0.680 0.681 0.681 - - -

1. At 100% travel.

Design EZ

Micro-Flute! & Micro-Flow! Valve Plugs


56789+# &'':()*+ HM . 3

Catalog 12Fisher, Fisher-Rosemount, Micro-Flow, Micro-Flute, and Micro-Form aremarks owned by Fisher Controls International, Inc. or Fisher-RosemountSystems, Inc. All other marks are the property of their respective owners.

The Design EZ-C has flow coefficients identical to the Design EZ. Pleaserefer to those coefficients. For additional Design EZ-C valve information,please refer to Bulletin 51.1:easy-e" Cryogenic.

Design EZ-C

easy-e is a mark owned by Fisher ControlsInternational, Inc.Printed in U.S.A. on recycled paper.!Fisher Controls International, Inc., 1995, 1999;All Rights Reserved

!"#$% &'''()*+ HM . <

Catalog 12

Linear and Equal Percentage Cages Without LinerFlow Down through the Port

Design HPADClasses 900, 1500, & 2500


56789+# &'':()*+ N( . &


Classes 900 & 1500 LinearCharacteristic


MaximumTravel



FL(1)

Cv - - - 3.32 13.8 26.5 37.7 46.3 52.8 58.0 62.0 64.3 0.88

2 1-7/8 47.6 1-1/2 38 Kv - - - 2.87 11.9 22.9 32.6 40.0 45.7 50.2 53.6 55.6 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.813 0.518 0.508 0.548 0.595 0.633 0.630 0.613 0.612 - - -

Classes 900 & 1500 Equal PercentageCharacteristic

Cv - - - 1.13 3.51 7.94 13.8 20.7 29.0 37.3 42.6 48.8 0.87

2 1-7/8 47.6 1-1/8 29 Kv - - - 0.977 3.04 6.87 11.9 17.9 25.1 32.3 36.8 42.2 - - -2 1-7/8 47.6 1-1/8 29XT - - - 0.579 0.566 0.573 0.526 0.495 0.513 0.570 0.598 0.638 - - -

Classes 900 & 1500 Modified Equal PercentageCharacteristic

Cv - - - 2.45 7.82 16.5 26.2 35.8 45.1 52.8 57.1 61.1 0.90

2 1-7/8 47.6 1-1/2 38 Kv - - - 2.12 6.76 14.3 22.7 31.0 39.0 45.7 49.4 52.9 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.572 0.533 0.522 0.531 0.555 0.610 0.656 0.657 0.586 - - -

Class 2500 LinearCharacteristic

Cv - - - 3.32 13.8 24.2 32.1 37.6 41.5 44.2 46.0 47.4 0.88

2 1-7/8 47.6 1-1/2 38 Kv - - - 2.87 11.9 20.9 27.8 32.5 35.9 38.2 39.8 41.0 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.813 0.518 0.672 0.716 0.766 0.816 0.851 0.862 0.832 - - -

Class 2500 Equal PercentageCharacteristic

Cv - - - 1.13 3.51 7.94 13.8 20.7 26.4 31.7 35.5 38.2 0.87

2 1-7/8 47.6 1-1/8 29 Kv - - - 0.977 3.04 6.87 11.9 17.9 22.8 27.4 30.7 33.0 - - -2 1-7/8 47.6 1-1/8 29XT - - - 0.579 0.566 0.573 0.526 0.495 0.589 0.669 0.747 0.848 - - -

Class 2500 Modified Equal PercentageCharacteristic

Cv - - - 2.45 7.82 16.5 24.9 32.2 37.3 40.6 42.8 44.3 0.90

2 1-7/8 47.6 1-1/2 38 Kv - - - 2.12 6.76 14.3 21.5 27.9 32.3 35.1 37.0 38.3 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.572 0.533 0.522 0.559 0.648 0.745 0.828 0.833 0.876 - - -

1. At 100% travel.

Notes: The coefficients on this page are also appropriate for the Design HPAT.


Port Maximum

CageValve

PortDiameter

MaximumTravel Flow Valve Opening—Percent of Total Travel

CageLevel

Size,Inches Inches mm Inches mm

Coeffi-cient Mini-

mum(1) 10 20 30 40 50 60 70 80 90 100

Cv 1.20 3.00 7.70 13.0 17.8 22.3 26.4 31.0 35.3 39.0 42.0A1(2)

2 1-7/8 47.6 1-1/2 38 Kv 1.04 2.59 6.66 11.2 15.4 19.3 22.8 26.8 30.5 33.7 36.3"P/P1!0.6

2 1-7/8 47.6 1-1/2 38XT 0.576 0.522 0.609 0.611 0.617 0.614 0.625 0.616 0.614 0.619 0.615


Cv 1.20 3.00 7.70 13.0 17.8 22.3 26.4 28.7 31.4 34.0 36.2A1(2)

2 1-7/8 47.6 1-1/2 38 Kv 1.04 2.59 6.66 11.2 15.4 19.3 22.8 24.8 27.2 29.4 31.3"P/P1!0.6

2 1-7/8 47.6 1-1/2 38XT 0.576 0.522 0.609 0.611 0.586 0.576 0.562 0.597 0.595 0.592 0.584

1. Valve should not be required to throttle at less than the minimum coefficient for an extended time, or erosion damage to the valve seat may result.2. Larger capacities may be available with level A1 cages depending on service conditions.

Notes: The coefficients on this page are also appropriate for the Design HPAT.

Design HPAD


Classes 900, 1500, & 2500



56789+# &'':()*+ N( . /

Catalog 12



MaximumTravel



FL(1)

Cv - - - 3.61 11.8 23.3 35.2 45.7 54.2 61.7 68.8 73.6 0.97

2 1-7/8 47.6 1-1/2 38 Kv - - - 3.12 10.2 20.2 30.4 39.5 46.9 53.4 59.5 63.7 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.722 0.663 0.657 0.663 0.663 0.659 0.638 0.606 0.586 - - -


Cv - - - 1.01 2.91 6.71 12.1 18.4 25.7 33.6 41.0 48.6 0.94

2 1-7/8 47.6 1-1/8 29 Kv - - - 0.874 2.52 5.80 10.5 15.9 22.2 29.1 35.5 42.0 - - -2 1-7/8 47.6 1-1/8 29XT - - - 0.948 0.808 0.730 0.705 0.679 0.642 0.641 0.686 0.652 - - -


Cv - - - 2.07 6.60 14.3 23.4 32.9 43.5 53.7 60.4 67.9 0.96

2 1-7/8 47.6 1-1/2 38 Kv - - - 1.79 5.71 12.4 20.2 28.5 37.6 46.5 52.2 58.7 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.853 0.742 0.680 0.653 0.657 0.665 0.657 0.639 0.594 - - -


Cv - - - 3.61 11.8 23.3 33.8 41.0 46.5 50.7 53.8 56.2 0.97

2 1-7/8 47.6 1-1/2 38 Kv - - - 3.12 10.2 20.2 29.2 35.5 40.2 43.9 46.5 48.6 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.722 0.663 0.657 0.623 0.607 0.589 0.576 0.573 0.565 - - -


Cv - - - 1.01 2.91 6.71 12.1 18.4 24.5 30.6 35.5 39.4 0.95

2 1-7/8 47.6 1-1/8 29 Kv - - - 0.874 2.52 5.80 10.5 15.9 21.2 26.5 30.7 34.1 - - -2 1-7/8 47.6 1-1/8 29XT - - - 0.948 0.808 0.730 0.705 0.679 0.706 0.719 0.748 0.789 - - -


Cv - - - 2.07 6.60 14.3 22.8 30.4 38.4 45.2 48.5 52.5 0.97

2 1-7/8 47.6 1-1/2 38 Kv - - - 1.79 5.71 12.4 19.7 26.3 33.2 39.1 42.0 45.4 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.853 0.742 0.680 0.650 0.659 0.660 0.660 0.638 0.595 - - -

1. At 100% travel.

Design HPAS

Linear and Equal Percentage Cages

Classes 900, 1500, & 2500



56789+# &'':()*+ N( . 2




MaximumTravel



FL(1)

Cv - - - 0.296 0.955 1.47 1.98 2.62 3.06 3.72 4.46 5.58 0.87

1 3/4 19.1 3/4 19 Kv - - - 0.256 0.826 1.27 1.71 2.27 2.65 3.22 3.86 4.83 - - -1 3/4 19.1 3/4 19XT - - - 0.722 0.711 0.649 0.685 0.664 0.677 0.657 0.668 0.658 - - -

Cv - - - 0.296 0.955 1.47 1.98 2.62 3.06 3.72 4.46 5.58 0.87

3/4 19.1 3/4 19 Kv - - - 0.256 0.826 1.27 1.71 2.27 2.65 3.22 3.86 4.83 - - -3/4 19.1 3/4 19XT - - - 0.722 0.711 0.649 0.685 0.664 0.677 0.657 0.668 0.658 - - -

Cv - - - - - - 0.100 0.600 1.15 1.95 2.90 4.40 6.50 9.50 0.81

1 25.4 3/4 19 Kv - - - - - - 0.087 0.519 0.995 1.69 2.51 3.81 5.62 8.22 - - -1 25.4 3/4 19XT - - - - - - 0.689 0.675 0.693 0.656 0.647 0.662 0.667 0.639 - -

2Cv - - - - - - 0.220 0.850 1.60 2.70 4.00 6.00 9.00 13.0 0.81

1-1/4 31.8 3/4 19 Kv - - - - - - 0.190 0.735 1.38 2.34 3.46 5.19 7.79 11.24 - - -1-1/4 31.8 3/4 19XT - - - - - - 0.668 0.683 0.694 0.683 0.688 0.705 0.694 0.680 - - -

Cv - - - 0.300 1.20 2.80 5.00 9.50 16.0 23.0 29.0 35.0 0.81

1-1/2 38.1 1-1/8 29 Kv - - - 0.260 1.04 2.42 4.33 8.22 13.8 19.9 25.1 30.3 - - -1-1/2 38.1 1-1/8 29XT - - - 0.640 0.682 0.670 0.706 0.669 0.661 0.673 0.698 0.683 - - -

Modified Equal Percentage Modified Equal PercentageCharacteristic

Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 7.07 9.11 10.7 0.70

1 3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 6.12 7.88 9.26 - - -1 3/4 19.1 1-1/8 29XT 0.964 0.688 0.709 0.715 0.699 0.690 0.688 0.641 0.531 0.455 - - -

Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 7.07 9.11 10.7 0.70

3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 6.12 7.88 9.26 - - -3/4 19.1 1-1/8 29XT 0.964 0.688 0.709 0.715 0.699 0.690 0.688 0.641 0.531 0.455 - - -

Cv - - - 0.100 0.890 1.90 3.50 6.50 11.0 15.0 19.0 21.0 0.81

1 25.4 1-1/8 29 Kv - - - 0.087 0.770 1.64 3.03 5.62 9.52 13.0 16.4 18.2 - - -1 25.4 1-1/8 29XT - - - 0.689 0.666 0.691 0.692 0.667 0.646 0.686 0.646 0.690 - - -

2Cv - - - 0.220 1.20 2.70 5.00 9.00 15.0 22.0 27.0 31.0 0.81

1-1/4 31.8 1-1/8 29 Kv - - - 0.190 1.04 2.34 4.33 7.79 13.0 19.0 23.4 26.8 - - -1-1/4 31.8 1-1/8 29XT - - - 0.668 0.685 0.683 0.666 0.694 0.692 0.648 0.667 0.671 - - -

Cv - - - 0.880 2.80 6.30 13.5 22.5 31.0 38.0 43.5 48.0 0.81

1-1/2 38.1 1-1/2 38 Kv - - - 0.761 2.42 5.45 11.7 19.5 26.8 32.9 37.6 41.5 - - -1-1/2 38.1 1-1/2 38XT - - - 0.682 0.670 0.677 0.678 0.703 0.698 0.684 0.703 0.703 - - -

1. At 100% travel.

Design HPAS

Equal Percentage Cages Without Liner

Classes 900 & 1500

Flow Down through the Port


56789+# &'':()*+ N( . ;

Catalog 12



MaximumTravel



FL(1)

Cv - - - 0.296 0.955 1.47 1.98 2.62 3.02 3.66 4.36 5.38 0.87

1 3/4 19.1 3/4 19 Kv - - - 0.256 0.826 1.27 1.71 2.27 2.61 3.17 3.77 4.65 - - -1 3/4 19.1 3/4 19XT - - - 0.722 0.711 0.649 0.685 0.664 0.662 0.658 0.653 0.648 - - -

Cv - - - 0.296 0.955 1.47 1.98 2.62 3.06 3.72 4.46 5.58 0.87

3/4 19.1 3/4 19 Kv - - - 0.256 0.826 1.27 1.71 2.27 2.65 3.22 3.86 4.83 - - -3/4 19.1 3/4 19XT - - - 0.722 0.711 0.649 0.685 0.664 0.677 0.657 0.668 0.658 - - -

Cv - - - - - - 0.100 0.600 1.15 1.95 2.90 4.40 6.50 9.50 0.81

1 25.4 3/4 19 Kv - - - - - - 0.087 0.519 0.995 1.69 2.51 3.81 5.62 8.22 - - -1 25.4 3/4 19XT - - - - - - 0.689 0.675 0.693 0.656 0.647 0.662 0.667 0.639 - - -

2Cv - - - - - - 0.220 0.850 1.60 2.70 4.00 6.00 9.00 13.0 0.81

1-1/4 31.8 3/4 19 Kv - - - - - - 0.190 0.735 1.38 2.34 3.46 5.19 7.79 11.2 - - -1-1/4 31.8 3/4 19XT - - - - - - 0.668 0.683 0.694 0.683 0.688 0.705 0.694 0.680 - - -

Cv - - - 0.300 1.20 2.80 5.00 9.20 15.2 21.6 27.0 31.5 0.81

1-1/2 38.1 1-1/8 29 Kv - - - 0.260 1.04 2.42 4.33 7.96 13.1 18.7 23.4 27.2 - - -1-1/2 38.1 1-1/8 29XT - - - 0.640 0.682 0.670 0.706 0.713 0.685 0.668 0.650 0.633 - - -


Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 0.693 8.06 9.73 0.70

1 3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 0.599 6.97 8.42 - - -1 3/4 19.1 1-1/8 29XT 0.964 0.688 0.709 0.715 0.600 0.542 0.574 0.580 0.584 0.469 - - -

Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 7.07 9.11 10.7 0.70

3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 6.12 7.88 9.26 - - -3/4 19.1 1-1/8 29XT 0.964 0.688 0.709 0.715 0.699 0.690 0.688 0.641 0.531 0.455 - - -

Cv - - - 0.100 0.890 1.90 3.50 6.50 11.0 15.0 19.0 21.0 0.81

1 25.4 1-1/8 29 Kv - - - 0.087 0.770 1.64 3.03 5.62 9.52 13.0 16.4 18.2 - - -1 25.4 1-1/8 29XT - - - 0.689 0.666 0.691 0.692 0.667 0.646 0.686 0.646 0.690 - - -

2Cv - - - 0.220 1.20 2.70 5.00 9.00 15.0 22.0 27.0 31.0 0.81

1-1/4 31.8 1-1/8 29 Kv - - - 0.190 1.04 2.34 4.33 7.79 13.0 19.0 23.4 26.8 - - -1-1/4 31.8 1-1/8 29XT - - - 0.668 0.685 0.683 0.666 0.694 0.692 0.648 0.667 0.671 - - -

Cv - - - 0.880 2.80 6.30 12.9 21.0 27.2 31.6 34.7 36.8 0.81

1-1/2 38.1 1-1/2 38 Kv - - - 0.761 2.42 5.45 11.2 18.2 23.5 27.3 30.0 31.8 - - -1-1/2 38.1 1-1/2 38XT - - - 0.682 0.670 0.677 0.740 0.709 0.713 0.717 0.720 0.722 - - -

1. At 100% travel.

Design HPAS

Equal Percentage Cages Without Liner

Class 2500



56789+# &'':()*+ N( . 3




MaximumTravel



FL(1)

Cv 0.200 0.296 0.955 1.47 1.98 2.62 3.02 3.66 4.36 5.37 0.87

1 3/4 19.1 3/4 19 Kv 0.173 0.256 0.826 1.27 1.71 2.27 2.61 3.17 3.77 4.65 - - -1 3/4 19.1 3/4 19XT 0.563 0.714 0.702 0.642 0.677 0.657 0.658 0.650 0.644 0.641 - - -

Cv 0.200 0.296 0.955 1.47 1.98 2.62 3.06 3.72 4.46 5.58 0.87

3/4 19.1 3/4 19 Kv 0.173 0.256 0.826 1.27 1.71 2.27 2.65 3.22 3.86 4.83 - - -3/4 19.1 3/4 19XT 0.563 0.714 0.702 0.642 0.677 0.657 0.669 0.649 0.660 0.651 - - -

Cv - - - - - - 0.100 0.600 1.15 1.95 2.90 4.40 6.50 9.03 0.81

1 25.4 3/4 19 Kv - - - - - - 0.087 0.519 0.995 1.69 2.51 3.81 5.62 7.81 - - -1 25.4 3/4 19XT - - - - - - 0.681 0.667 0.685 0.648 0.639 0.654 0.659 0.631 - - -

2Cv - - - - - - 0.220 0.850 1.60 2.70 4.00 6.00 8.55 11.7 0.81

1-1/4 31.8 3/4 19 Kv - - - - - - 0.190 0.735 1.38 2.34 3.46 5.19 7.40 10.1 - - -1-1/4 31.8 3/4 19XT - - - - - - 0.660 0.675 0.686 0.675 0.679 0.696 0.686 0.672 - - -

Cv - - - 0.300 1.20 2.80 5.00 9.5 16.0 21.9 26.1 29.8 0.81

1-1/2 38.1 1-1/8 29 Kv - - - 0.260 1.04 2.42 4.33 8.22 13.8 18.9 22.6 25.8 - - -1-1/2 38.1 1-1/8 29XT - - - 0.632 0.674 0.662 0.698 0.661 0.653 0.665 0.690 0.675 - - -


Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 0.693 8.06 9.73 0.70

1 3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 0.599 6.97 8.42 - - -1 3/4 19.1 1-1/8 29XT 0.952 0.680 0.700 0.706 0.593 0.535 0.570 0.574 0.577 0.464 - - -

Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 7.07 9.11 10.7 0.70

3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 6.12 7.88 9.26 - - -3/4 19.1 1-1/8 29XT 0.952 0.680 0.700 0.706 0.690 0.682 0.680 0.633 0.525 0.450 - - -

Cv - - - 0.100 0.890 1.90 3.50 6.50 11.0 15.0 19.0 20.0 0.81

1 25.4 1-1/8 29 Kv - - - 0.087 0.770 1.64 3.03 5.62 9.52 13.0 16.4 17.3 - - -1 25.4 1-1/8 29XT - - - 0.681 0.658 0.682 0.684 0.659 0.639 0.678 0.638 0.682 - - -

2Cv - - - 0.220 1.20 2.70 5.00 9.00 15.0 22.0 25.7 27.9 0.81

1-1/4 31.8 1-1/8 29 Kv - - - 0.190 1.04 2.34 4.33 7.79 13.0 19.0 22.2 24.1 - - -1-1/4 31.8 1-1/8 29XT - - - 0.660 0.676 0.675 0.658 0.686 0.684 0.640 0.659 0.663 - - -

Cv - - - 0.880 2.80 6.30 13.5 22.5 31.0 36.1 39.2 40.8 0.81

1-1/2 38.1 1-1/2 38 Kv - - - 0.761 2.42 5.45 11.7 19.5 26.8 31.2 33.9 35.3 - - -1-1/2 38.1 1-1/2 38XT - - - 0.674 0.662 0.669 0.670 0.695 0.690 0.691 0.689 0.694 - - -

1. At 100% travel.

Design HPAS

Equal Percentage Cages With Liner

Classes 900 & 1500



56789+# &'':()*+ N( . <

Catalog 12



MaximumTravel



FL(1)

Cv 0.200 0.296 0.955 1.47 1.98 2.62 3.02 3.66 4.36 5.37 0.87

1 3/4 19.1 3/4 19 Kv 0.173 0.256 0.826 1.27 1.71 2.27 2.61 3.17 3.77 4.65 - - -1 3/4 19.1 3/4 19XT 0.569 0.722 0.711 0.649 0.685 0.664 0.665 0.658 0.653 0.648 - - -

Cv 0.200 0.296 0.955 1.47 1.98 2.62 3.06 3.72 4.46 5.58 0.87

3/4 19.1 3/4 19 Kv 0.173 0.256 0.826 1.27 1.71 2.27 2.65 3.22 3.86 4.83 - - -3/4 19.1 3/4 19XT 0.569 0.722 0.711 0.649 0.685 0.664 0.677 0.657 0.668 0.658 - - -

Cv - - - - - - 0.100 0.600 1.15 1.95 2.90 4.40 6.50 9.03 0.81

1 25.4 3/4 19 Kv - - - - - - 0.087 0.519 0.995 1.69 2.51 3.81 5.62 7.81 - - -1 25.4 3/4 19XT - - - - - - 0.689 0.675 0.693 0.656 0.647 0.662 0.667 0.639 - - -

2Cv - - - - - - 0.220 0.850 1.60 2.70 4.00 6.00 8.55 11.7 0.81

1-1/4 31.8 3/4 19 Kv - - - - - - 0.190 0.735 1.38 2.34 3.46 5.19 7.40 10.1 - - -1-1/4 31.8 3/4 19XT - - - - - - 0.668 0.683 0.694 0.683 0.688 0.705 0.694 0.680 - - -

Cv - - - 0.300 1.20 2.80 5.00 9.20 15.2 20.5 24.3 26.8 0.81

1-1/2 38.1 1-1/8 29 Kv - - - 0.260 1.04 2.42 4.33 7.96 13.1 17.7 21.0 23.2 - - -1-1/2 38.1 1-1/8 29XT - - - 0.640 0.682 0.670 0.706 0.714 0.684 0.668 0.650 0.633 - - -


Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 0.693 8.06 9.73 0.70

1 3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 0.599 6.97 8.42 - - -1 3/4 19.1 1-1/8 29XT 0.964 0.688 0.709 0.715 0.600 0.542 0.574 0.580 0.584 0.469 - - -

Cv 0.269 1.07 1.67 2.30 3.28 4.51 5.73 7.07 9.11 10.7 0.70

3/4 19.1 1-1/8 29 Kv 0.233 0.926 1.44 1.99 2.84 3.90 4.96 6.12 7.88 9.26 - - -3/4 19.1 1-1/8 29XT 0.964 0.688 0.709 0.715 0.699 0.690 0.688 0.641 0.531 0.455 - - -

Cv - - - 0.100 0.890 1.90 3.50 6.50 11.0 15.0 19.0 20.0 0.81

1 25.4 1-1/8 29 Kv - - - 0.087 0.770 1.64 3.03 5.62 9.52 13.0 16.4 17.3 - - -1 25.4 1-1/8 29XT - - - 0.689 0.666 0.691 0.692 0.667 0.646 0.686 0.646 0.690 - - -

2Cv - - - 0.220 1.20 2.70 5.00 9.00 15.0 22.0 25.7 27.9 0.81

1-1/4 31.8 1-1/8 29 Kv - - - 0.190 1.04 2.34 4.33 7.79 13.0 19.0 22.2 24.1 - - -1-1/4 31.8 1-1/8 29XT - - - 0.668 0.685 0.683 0.666 0.694 0.692 0.648 0.667 0.671 - - -

Cv - - - 0.880 2.80 6.30 12.9 21.0 27.2 30.0 31.2 31.3 0.81

1-1/2 38.1 1-1/2 38 Kv - - - 0.761 2.42 5.45 11.2 18.2 23.5 25.9 27.0 27.1 - - -1-1/2 38.1 1-1/2 38XT - - - 0.682 0.670 0.677 0.743 0.707 0.714 0.716 0.716 0.726 - - -

1. At 100% travel.

Design HPAS

Equal Percentage Cages With Liner

Class 2500



56789+# &'':()*+ N( . 4

Catalog 12Fisher, Fisher-Rosemount, and Micro-Flute are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

Flow Up Equal PercentageCharacteristic


MaximumTravel



FL(1)

Cv 0.0385 0.0455 0.0560 0.0719 0.0942 0.124 0.162 0.212 0.278 0.354 0.87

1/4 1 Flute 6.4 1 Flute 3/4 19 Kv 0.033 0.039 0.048 0.062 0.081 0.107 0.140 0.183 0.240 0.306 - - -1/4 1 Flute 6.4 1 Flute 3/4 19XT 0.778 0.734 0.690 0.653 0.642 0.635 0.637 0.634 0.632 0.656 - - -

Cv 0.0526 0.0725 0.101 0.146 0.216 0.312 0.433 0.588 0.802 1.07 0.90

1/4 3 Flutes 6.4 1 Flute 3/4 19 Kv 0.045 0.063 0.087 0.126 0.187 0.270 0.375 0.509 0.694 0.926 - - -1/4 3 Flutes 6.4 1 Flute 3/4 19XT 0.692 0.648 0.639 0.625 0.600 0.586 0.597 0.613 0.620 0.624 - - -

1Cv 0.066 0.121 0.200 0.314 0.470 0.674 0.945 1.30 1.74 2.24 0.81

3/8 9.5 3/4 19 Kv 0.057 0.105 0.173 0.272 0.407 0.583 0.817 1.12 1.51 1.94 - - -3/8 9.5 3/4 19XT 0.944 0.744 0.652 0.600 0.586 0.585 0.583 0.584 0.582 0.585 - - -

Cv 0.105 0.184 0.314 0.488 0.716 1.04 1.53 2.30 3.20 4.21 0.84

1/2 12.7 3/4 19 Kv 0.091 0.159 0.272 0.422 0.619 0.900 1.32 1.99 2.77 3.64 - - -1/2 12.7 3/4 19XT 0.974 0.792 0.654 0.638 0.630 0.580 0.547 0.497 0.523 0.549 - - -

Flow Down With or Without Liner Equal PercentageCharacteristic

Cv 0.0290 0.0377 0.0470 0.0624 0.0874 0.124 0.175 0.243 0.330 0.407 0.62


Cv 0.054 0.060 0.073 0.097 0.130 0.174 0.238 0.340 0.503 0.746 0.75


1 & 2Cv 0.078 0.090 0.116 0.161 0.228 0.320 0.445 0.641 0.950 1.40 0.72


Cv 0.128 0.161 0.257 0.394 0.539 0.700 0.947 1.38 2.07 2.93 0.71


1. At 100% travel.

Design HPAS

Micro-Flute! Valve Plug

Classes 900, 1500, & 2500


56789+# &'':()*+ N( . :

Catalog 12

Micro-Flat!!!! LinearCharacteristic


MaximumTravel



FL(1)

Cv 0.010 0.017 0.077 0.162 0.264 0.381 0.510 0.651 0.801 0.961 0.82

3/8 2 Flats 9.5 2 Flats 3/4 19 Kv 0.009 0.015 0.067 0.140 0.228 0.330 0.441 0.563 0.693 0.831 - - -3/8 2 Flats 9.5 2 Flats 3/4 19XT 0.648 0.678 0.678 0.678 0.678 0.678 0.678 0.678 0.678 0.678 - - -

Cv 0.027 0.031 0.144 0.301 0.491 0.708 0.947 1.21 1.48 1.71 0.82

1 & 2 1/2 2 Flats 12.7 2 Flats 3/4 19 Kv 0.023 0.027 0.125 0.260 0.425 0.612 0.819 1.05 1.28 1.48 - - -1 & 2 1/2 2 Flats 12.7 2 Flats 3/4 19XT 0.703 0.678 0.678 0.678 0.678 0.678 0.678 0.678 0.678 0.678 - - -

Cv 0.067 0.095 0.224 0.452 0.770 1.14 1.51 2.00 2.50 2.92 0.82

3/4 2 Flats 19.1 2 Flats 3/4 19 Kv 0.058 0.082 0.194 0.391 0.666 0.986 1.31 1.73 2.16 2.53 - - -3/4 2 Flats 19.1 2 Flats 3/4 19XT 0.931 0.929 0.919 0.905 0.830 0.783 0.800 0.751 0.726 0.681 - - -

Cv 0.018 0.237 0.728 1.40 2.18 3.05 4.06 5.26 6.58 7.61 0.81

2 1 2 Flats 25.4 2 Flats 1-1/8 29 Kv 0.016 0.205 0.630 1.21 1.89 2.64 3.51 4.55 5.69 6.58 - - -2 1 2 Flats 25.4 2 Flats 1-1/8 29XT 0.911 0.763 0.676 0.671 0.680 0.679 0.659 0.615 0.579 0.588 - - -

1. At 100% travel.

Note:If """"P exceeds 1000 psig, the life span of the Micro-Flat trim may be shortened.

Design HPAS

Micro-Flat! Valve Plug With or Without Liner

Classes 900, 1500, & 2500



!"#$% &'''()*+ N( . '

Catalog 12Fisher, Fisher-Rosemount, Micro-Flat, and Micro-Form are marks ownedby Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.All other marks are the property of their respective owners.

Micro-Form!!!! Equal PercentageCharacteristic


MaximumTravel



FL(1)

Cv 0.089 0.123 0.175 0.242 0.331 0.456 0.643 0.910 1.24 1.58 0.93

1/4 6.4 3/4 19 Kv 0.077 0.106 0.151 0.209 0.286 0.394 0.556 0.787 1.07 1.37 - - -1/4 6.4 3/4 19XT 0.658 0.666 0.611 0.603 0.613 0.613 0.588 0.578 0.616 0.651 - - -

Cv 0.259 0.391 0.570 0.815 1.15 1.59 2.22 3.13 4.39 5.75 0.98

1/2 12.7 3/4 19 Kv 0.224 0.338 0.493 0.705 0.995 1.38 1.92 2.71 3.80 4.97 - - -1/2 12.7 3/4 19XT 0.633 0.606 0.576 0.572 0.576 0.593 0.604 0.624 0.662 0.691 - - -

1Cv 0.464 0.695 0.987 1.43 2.12 3.16 4.71 6.89 9.56 11.4 0.97

3/4 19.1 3/4 19 Kv 0.401 0.601 0.854 1.24 1.83 2.73 4.07 5.96 8.27 9.86 - - -3/4 19.1 3/4 19XT 0.670 0.628 0.624 0.615 0.600 0.594 0.600 0.622 0.669 0.729 - - -

Cv 0.691 1.30 1.83 2.64 3.88 5.81 8.59 10.3 12.4 15.1 0.92

1 25.4 3/4 19 Kv 0.598 1.12 1.58 2.28 3.36 5.03 7.43 8.91 10.7 13.1 - - -1 25.4 3/4 19XT 0.776 0.686 0.620 0.603 0.615 0.600 0.575 0.807 0.642 0.642 - - -

Cv 0.089 0.123 0.175 0.242 0.331 0.456 0.643 0.910 1.24 1.58 0.93

1/4 6.4 3/4 19 Kv 0.077 0.106 0.151 0.209 0.286 0.394 0.556 0.787 1.07 1.37 - - -1/4 6.4 3/4 19XT 0.658 0.666 0.611 0.603 0.613 0.613 0.588 0.578 0.616 0.651 - - -

Cv 0.259 0.391 0.570 0.815 1.15 1.59 2.22 3.13 4.39 5.75 0.98

1/2 12.7 3/4 19 Kv 0.224 0.338 0.493 0.705 0.995 1.38 1.92 2.71 3.80 4.97 - - -1/2 12.7 3/4 19XT 0.633 0.606 0.576 0.572 0.576 0.593 0.604 0.624 0.662 0.691 - - -

Cv 0.464 0.695 0.987 1.43 2.12 3.16 4.71 6.89 9.56 11.4 0.97

3/4 19.1 3/4 19 Kv 0.401 0.601 0.854 1.24 1.83 2.73 4.07 5.96 8.27 9.86 - - -3/4 19.1 3/4 19XT 0.670 0.628 0.624 0.615 0.600 0.594 0.600 0.622 0.669 0.729 - - -

2Cv 0.927 1.35 1.87 2.64 3.88 5.81 8.66 12.6 17.1 20.1 0.91

1 25.4 3/4 19 Kv 0.802 1.17 1.62 2.28 3.36 5.03 7.49 10.9 14.8 17.4 - - -1 25.4 3/4 19XT 0.431 0.636 0.594 0.603 0.615 0.600 0.566 0.540 0.583 0.676 - - -

Cv 0.918 1.31 1.89 2.90 4.87 8.58 14.5 21.4 25.7 26.9 0.98

1-1/4 31.8 3/4 19 Kv 0.794 1.13 1.63 2.51 4.21 7.42 12.5 18.5 22.2 23.3 - - -1-1/4 31.8 3/4 19XT 0.680 0.669 0.621 0.576 0.545 0.546 0.588 0.652 0.752 0.910 - - -

Cv 2.23 3.21 5.15 8.93 15.2 23.1 30.7 36.4 41.5 47.9 0.99

1-1/2 38.1 1-1/8 29 Kv 1.93 2.78 4.45 7.72 13.1 20.0 26.6 31.5 35.9 41.4 - - -1-1/2 38.1 1-1/8 29XT 0.569 0.578 0.522 0.492 0.511 0.608 0.740 0.819 0.751 0.715 - - -

1. At 100% travel.

Design HPAS


Classes 900 & 1500



56789+# &'':()*+ N( . &=

Catalog 12

Micro-Form!!!! Modified Equal PercentageCharacteristic


MaximumTravel



FL(1)

Cv 0.324 0.489 0.713 1.02 1.44 1.99 2.78 3.91 5.49 7.19 0.96

1/2 12.7 1-1/8 29 Kv 0.280 0.423 0.617 0.882 1.25 1.72 2.40 3.38 4.75 6.22 - - -1/2 12.7 1-1/8 29XT 0.526 0.504 0.479 0.475 0.479 0.494 0.502 0.518 0.550 0.574 - - -

Cv 0.610 1.10 1.79 3.01 5.75 9.07 11.2 12.1 13.4 14.5 0.95

1 3/4 19.1 1-1/8 29 Kv 0.528 0.952 1.55 2.60 4.97 9.07 9.69 10.5 11.6 12.5 - - -1 3/4 19.1 1-1/8 29XT 0.563 0.559 0.567 0.567 0.567 0.567 0.567 0.567 0.555 0.567 - - -

Cv 0.973 1.86 3.18 5.86 9.22 12.4 14.6 16.1 18.2 19.5 0.89

1 25.4 1-1/8 29 Kv 0.842 1.61 2.75 5.07 7.98 10.7 12.6 13.9 15.7 16.9 - - -1 25.4 1-1/8 29XT 0.680 0.634 0.568 0.571 0.571 0.571 0.571 0.571 0.567 0.571 - - -

Cv 0.324 0.489 0.713 1.02 1.44 1.99 2.78 3.91 5.49 7.19 0.96

1/2 12.7 1-1/8 29 Kv 0.280 0.423 0.617 0.882 1.25 1.72 2.40 3.38 4.75 6.22 - - -1/2 12.7 1-1/8 29XT 0.526 0.504 0.479 0.475 0.479 0.494 0.502 0.518 0.550 0.574 - - -

Cv 0.610 1.10 1.79 3.01 5.75 9.07 11.2 12.1 13.4 14.5 0.95

3/4 19.1 1-1/8 29 Kv 0.528 0.952 1.55 2.60 4.97 7.85 9.69 10.5 11.6 12.5 - - -3/4 19.1 1-1/8 29XT 0.563 0.559 0.567 0.567 0.567 0.567 0.567 0.567 0.555 0.567 - - -

Cv 0.973 1.86 3.18 5.86 10.5 16.6 21.8 24.8 26.3 27.5 0.89

2 1 25.4 1-1/8 29 Kv 0.842 1.61 2.75 5.07 9.08 14.4 18.9 21.5 22.7 23.8 - - -2 1 25.4 1-1/8 29XT 0.680 0.634 0.568 0.571 0.591 0.635 0.667 0.660 0.602 0.553 - - -

Cv 1.09 1.87 3.89 8.77 17.4 26.4 31.6 34.6 40.6 47.6 0.98

1-1/4 38.1 1-1/8 29 Kv 0.943 1.62 3.36 7.59 15.1 22.8 27.3 29.9 35.1 41.2 - - -1-1/4 38.1 1-1/8 29XT 0.702 0.630 0.524 0.547 0.653 0.729 0.753 0.761 0.659 0.479 - - -

Cv 2.43 4.43 9.01 17.2 27.9 37.5 44.2 50.0 56.9 58.3 0.97

1-1/2 31.8 1-1/2 38 Kv 2.10 3.83 7.79 14.9 24.1 32.4 38.2 43.3 49.2 50.4 - - -1-1/2 31.8 1-1/2 38XT 0.619 0.520 0.499 0.583 0.691 0.749 0.758 0.723 0.640 0.623 - - -

1. At 100% travel.

Design HPAS


Classes 900 & 1500



56789+# &'':()*+ N( . &&

Catalog 12Fisher, Fisher-Rosemount, and Micro-Form are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.



MaximumTravel



FL(1)

Cv 0.089 0.123 0.175 0.242 0.331 0.456 0.643 0.910 1.24 1.58 0.93

1/4 6.4 3/4 19 Kv 0.077 0.106 0.151 0.209 0.286 0.394 0.556 0.787 1.07 1.37 - - -1/4 6.4 3/4 19XT 0.658 0.666 0.611 0.603 0.613 0.613 0.588 0.578 0.616 0.651 - - -

Cv 0.259 0.391 0.570 0.815 1.15 1.59 2.22 3.13 4.39 5.75 0.98

1/2 12.7 3/4 19 Kv 0.224 0.338 0.493 0.705 0.995 1.38 1.92 2.71 3.80 4.97 - - -1/2 12.7 3/4 19XT 0.633 0.606 0.576 0.572 0.576 0.593 0.604 0.624 0.662 0.691 - - -

1Cv 0.464 0.695 0.987 1.43 2.12 3.16 4.71 6.89 9.37 10.9 0.97

3/4 19.1 3/4 19 Kv 0.401 0.601 0.854 1.24 1.83 2.73 4.07 5.96 8.11 9.43 - - -3/4 19.1 3/4 19XT 0.670 0.628 0.624 0.615 0.600 0.594 0.600 0.622 0.670 0.737 - - -

Cv 0.691 1.30 1.83 2.64 3.88 5.81 8.59 10.0 11.8 14.0 0.92

1 25.4 3/4 19 Kv 0.598 1.12 1.58 2.28 3.36 5.03 7.43 8.65 10.2 12.1 - - -1 25.4 3/4 19XT 0.776 0.686 0.620 0.603 0.615 0.600 0.575 0.808 0.639 0.645 - - -

Cv 0.089 0.123 0.175 0.242 0.331 0.456 0.643 0.910 1.24 1.58 0.93

1/4 6.4 3/4 19 Kv 0.077 0.106 0.151 0.209 0.286 0.394 0.556 0.787 1.07 1.37 - - -1/4 6.4 3/4 19XT 0.658 0.666 0.611 0.603 0.613 0.613 0.588 0.578 0.616 0.651 - - -

Cv 0.259 0.391 0.570 0.815 1.15 1.59 2.22 3.13 4.39 5.75 0.98

1/2 12.7 3/4 19 Kv 0.224 0.338 0.493 0.705 0.995 1.38 1.92 2.71 3.80 4.97 - - -1/2 12.7 3/4 19XT 0.633 0.606 0.576 0.572 0.576 0.593 0.604 0.624 0.662 0.691 - - -

Cv 0.464 0.695 0.987 1.43 2.12 3.16 4.71 6.89 9.56 11.4 0.97

3/4 19.1 3/4 19 Kv 0.401 0.601 0.854 1.24 1.83 2.73 4.07 5.96 8.27 9.86 - - -3/4 19.1 3/4 19XT 0.670 0.628 0.624 0.615 0.600 0.594 0.600 0.622 0.669 0.729 - - -

2Cv 0.927 1.35 1.87 2.64 3.88 5.81 8.66 12.6 16.6 18.9 0.91

1 25.4 3/4 19 Kv 0.802 1.17 1.62 2.28 3.36 5.03 7.49 10.9 14.4 16.3 - - -1 25.4 3/4 19XT 0.431 0.636 0.594 0.603 0.615 0.600 0.566 0.540 0.581 0.676 - - -

Cv 0.918 1.31 1.89 2.90 4.87 8.58 14.1 20.2 24.0 25.2 0.98

1-1/4 31.8 3/4 19 Kv 0.794 1.13 1.63 2.51 4.21 7.42 12.2 17.5 20.8 21.8 - - -1-1/4 31.8 3/4 19XT 0.680 0.669 0.621 0.576 0.545 0.546 0.586 0.653 0.753 0.907 - - -

Cv 2.23 3.21 5.15 8.93 14.7 21.7 28.6 32.8 33.2 36.9 0.99

1-1/2 38.1 1-1/8 29 Kv 1.93 2.78 4.45 7.72 12.7 18.8 24.7 28.4 28.7 31.9 - - -1-1/2 38.1 1-1/8 29XT 0.569 0.578 0.522 0.492 0.514 0.608 0.738 0.819 0.746 0.714 - - -

1. At 100% travel.

Design HPAS


Class 2500



56789+# &'':()*+ N( . &/

Catalog 12



MaximumTravel



FL(1)

Cv 0.324 0.489 0.713 1.02 1.44 1.99 2.78 3.91 5.49 6.97 0.96

1/2 12.7 1-1/8 29 Kv 0.280 0.423 0.617 0.882 1.25 1.72 2.40 3.38 4.75 6.03 - - -1/2 12.7 1-1/8 29XT 0.526 0.504 0.479 0.475 0.479 0.494 0.502 0.518 0.550 0.574 - - -

Cv 0.610 1.10 1.79 3.01 5.75 8.80 10.9 11.6 12.6 13.1 0.95

1 3/4 19.1 1-1/8 29 Kv 0.528 0.952 1.55 2.60 4.97 7.61 9.43 10.0 10.9 11.3 - - -1 3/4 19.1 1-1/8 29XT 0.563 0.559 0.561 0.562 0.559 0.561 0.562 0.563 0.554 0.561 - - -

Cv 0.973 1.86 3.18 5.86 8.94 11.9 13.9 14.1 14.2 14.3 0.89

1 25.4 1-1/8 29 Kv 0.842 1.61 2.75 5.07 7.73 10.3 12.0 12.2 12.3 12.4 - - -1 25.4 1-1/8 29XT 0.680 0.634 0.568 0.571 0.568 0.569 0.569 0.569 0.569 0.569 - - -

Cv 0.324 0.489 0.713 1.02 1.44 1.99 2.78 3.91 5.49 7.19 0.96

1/2 12.7 1-1/8 29 Kv 0.280 0.423 0.617 0.882 1.25 1.72 2.40 3.38 4.75 6.22 - - -1/2 12.7 1-1/8 29XT 0.526 0.504 0.479 0.475 0.479 0.494 0.502 0.518 0.550 0.574 - - -

Cv 0.610 1.10 1.79 3.01 5.75 9.07 11.2 12.1 13.4 14.5 0.95

3/4 19.1 1-1/8 29 Kv 0.528 0.952 1.55 2.60 4.97 7.85 9.69 10.5 11.6 12.5 - - -3/4 19.1 1-1/8 29XT 0.563 0.559 0.566 0.566 0.566 0.566 0.566 0.566 0.555 0.567 - - -

Cv 0.973 1.86 3.18 5.86 10.5 16.1 20.7 23.3 24.6 25.6 0.89

2 1 25.4 1-1/8 29 Kv 0.842 1.61 2.75 5.07 9.08 13.9 17.9 20.2 21.3 22.1 - - -2 1 25.4 1-1/8 29XT 0.680 0.634 0.568 0.571 0.591 0.635 0.669 0.661 0.601 0.559 - - -

Cv 1.09 1.87 3.89 8.77 16.9 24.6 29.1 31.1 34.5 36.6 0.98

1-1/4 31.8 1-1/8 29 Kv 0.943 1.62 3.36 7.59 14.6 21.3 25.2 26.9 29.8 31.7 - - -1-1/4 31.8 1-1/8 29XT 0.702 0.630 0.524 0.547 0.651 0.734 0.747 0.763 0.655 0.614 - - -

Cv 2.43 4.43 9.01 16.7 25.9 32.6 35.4 38.5 41.0 43.0 0.97

1-1/2 38.1 1-1/2 38 Kv 2.10 3.83 7.79 14.4 22.4 28.2 30.6 33.3 35.5 37.2 - - -1-1/2 38.1 1-1/2 38XT 0.619 0.520 0.499 0.581 0.693 0.747 0.751 0.721 0.646 0.587 - - -

1. At 100% travel.

Design HPAS


Class 2500



56789+# &'':()*+ N( . &2

Catalog 12Fisher, Fisher-Rosemount, Micro-Form, and Whisper Trim are marksowned by Fisher Controls International, Inc. or Fisher-Rosemount Sys-tems, Inc. All other marks are the property of their respective owners.


Port Maximum

CageValve

PortDiameter


CageLevel


Coeffi-cient Mini-

mum(1) 10 20 30 40 50 60 70 80 90 100

Cv 1.00 2.50 7.50 12.8 17.7 22.3 26.6 31.2 35.5 39.5 42.6A1(2)

2 1-7/8 47.6 1-1/2 38 Kv 0.865 2.16 6.49 11.1 15.3 19.3 23.0 27.0 30.7 34.2 36.8""""P/P1!!!!0.6

2 1-7/8 47.6 1-1/2 38XT 0.727 0.686 0.605 0.609 0.613 0.607 0.613 0.606 0.607 0.603 0.607


Cv 1.00 2.50 7.50 12.8 17.7 22.3 26.6 28.7 31.4 34.0 36.2A1(2)

2 1-7/8 47.6 1-1/2 38 Kv 0.865 2.16 6.49 11.1 15.3 19.3 23.0 24.8 27.2 29.4 31.3""""P/P1!!!!0.6

2 1-7/8 47.6 1-1/2 38XT 0.727 0.686 0.605 0.609 0.593 0.576 0.554 0.597 0.595 0.592 0.595


Design HPAS


Classes 900, 1500, & 2500



56789+# &'':()*+ N( . &;

Catalog 12


Port MaximumTrim

Valve PortDiameter

MaximumTravel

Flow Minimum Valve Opening—Percent of Total TravelF (3)

StageSize,


ThrottlingCv

(2) 10 20 30 40 50 60 70 80 90 100FL

(3)

Cv 0.360 - - - 0.836 1.80 2.74 3.64 4.51 5.36 6.18 6.91 7.39 0.98

Two1(1) 7/8(1) 22.2 1-1/2 38

Kv 0.311 - - - 0.723 1.56 2.37 3.15 3.90 4.64 5.35 5.98 6.39 - - -TwoStage Cv 0.580 1.07 1.97 3.29 4.86 6.58 8.36 10.1 11.7 13.0 14.0 0.98

2 1-3/4 44.4 2 50Kv 0.502 0.926 1.70 2.85 4.20 5.69 7.23 8.74 10.1 11.2 12.1 - - -

Three Cv 0.590 0.272 1.10 1.98 2.82 3.63 4.46 5.30 6.07 6.61 6.73 0.99ThreeStage 2(1) 1(1) 25.4 2 50

Kv 0.510 0.235 0.952 1.71 2.44 3.14 3.86 4.58 5.25 5.72 5.82 - - -


Cv 0.360 - - - 0.836 1.80 2.74 3.64 4.51 5.36 5.87 6.53 6.91 0.98

Two1(1) 7/8(1) 22.2 1-1/2 38

Kv 0.311 - - - 0.723 1.56 2.37 3.15 3.90 4.64 5.08 5.65 5.98 - - -TwoStage Cv 0.580 1.07 1.97 3.29 4.86 6.58 8.36 10.1 11.7 13.0 14.0 0.98

2 1-3/4 44.4 2 50Kv 0.502 0.926 1.70 2.85 4.20 5.69 7.23 8.74 10.1 11.2 12.1 - - -


Kv 0.510 0.235 0.952 1.71 2.44 3.14 3.86 4.58 5.25 5.72 5.82 - - -1. Cavitrol III trim in the 1-inch, two stage and the 2-inch, three stage are unbalanced valve plugs. These sizes and constructions are Design HPS valves; all others in this table areDesign HPT valves.2. Valves should not be required to throttle at a Cv less than the specified minimum Cv for an extended period. Erosion damage ot the valve seats may result.3. At 100% travel.

Design HPAS & HPAT

Cavitrol" III Cages

Classes 900, 1500, & 2500



56789+# &'':()*+ N( . &3




MaximumTravel



FL(1)

Cv - - - 3.49 12.5 22.9 31.8 38.4 43.0 46.7 49.9 52.2 0.91

2 1-7/8 47.6 1-1/2 38 Kv - - - 3.02 10.8 19.8 27.5 33.2 37.2 40.4 43.2 45.2 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.811 0.632 0.682 0.743 0.829 0.780 0.743 0.726 0.695 - - -

Cv - - - 8.72 31.5 55.1 74.6 89.4 101 110 117 121 0.93

3 2-7/8 73.0 2 50 Kv - - - 7.54 27.2 47.7 64.5 77.3 87.4 95.2 101 105 - - -3 2-7/8 73.0 2 50XT - - - 0.589 0.580 0.653 0.728 0.775 0.795 0.791 0.777 0.773 - - -

Cv 6.91 26.4 54.7 86.4 117 143 165 182 194 201 0.91

4 3-5/8 92.1 2 50 Kv 5.98 22.8 47.3 74.7 101 124 143 157 168 174 - - -4 3-5/8 92.1 2 50XT 0.327 0.581 0.576 0.509 0.525 0.602 0.673 0.708 0.714 0.726 - - -

Cv 8.78 63.3 149 231 298 350 385 408 424 425 0.91

6 5-3/8 136.5 3 76 Kv 7.59 54.8 129 200 258 303 333 353 367 368 - - -6 5-3/8 136.5 3 76XT 0.763 0.613 0.544 0.574 0.621 0.671 0.721 0.745 0.709 0.726 - - -


Cv - - - 1.02 3.26 7.53 13.3 19.8 26.4 32.0 36.2 41.0 0.93

2 1-7/8 47.6 1-1/8 29 Kv - - - 0.882 2.82 6.51 11.5 17.1 22.8 27.7 31.3 35.5 - - -2 1-7/8 47.6 1-1/8 29XT - - - 0.745 0.619 0.595 0.587 0.593 0.633 0.721 0.791 0.791 - - -

Cv - - - 1.21 4.21 11.3 23.0 37.6 53.2 69.5 85.3 92.7 0.92

3 2-7/8 73.0 1-1/2 38 Kv - - - 1.05 3.64 9.77 19.9 32.5 46.0 60.1 73.8 80.2 - - -3 2-7/8 73.0 1-1/2 38XT - - - 0.954 0.761 0.600 0.558 0.592 0.661 0.705 0.706 0.768 - - -

Cv 3.12 7.35 13.9 23.4 37.9 60.1 90.6 123 147 165 0.85

4 3-5/8 92.1 1-1/2 38 Kv 2.70 6.36 12.0 20.2 32.8 52.0 78.4 106 127 143 - - -4 3-5/8 92.1 1-1/2 38XT 0.676 0.551 0.524 0.488 0.449 0.443 0.463 0.509 0.569 0.683 - - -

Cv 3.90 13.3 23.1 36.2 63.0 105 156 217 280 319 0.82

6 5-3/8 136.5 2-1/2 63.5 Kv 3.37 11.5 20.0 31.3 54.5 90.8 135 188 242 276 - - -6 5-3/8 136.5 2-1/2 63.5XT 0.961 0.686 0.615 0.584 0.540 0.513 0.496 0.480 0.513 0.593 - - -


Cv - - - 2.28 7.52 15.7 24.1 31.6 38.2 43.5 46.7 49.0 0.93

2 1-7/8 47.6 1-1/2 38 Kv - - - 1.97 6.50 13.6 20.8 27.3 33.0 37.6 40.4 42.4 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.641 0.571 0.584 0.634 0.698 0.778 0.803 0.771 0.770 - - -

Cv 0.475 3.07 11.8 26.8 46.6 69.3 89.5 100 103 114 0.95

3 2-7/8 73.0 2 50 Kv 0.411 2.66 10.2 23.2 40.3 59.9 77.4 86.5 89.1 98.6 - - -3 2-7/8 73.0 2 50XT 0.949 0.712 0.550 0.604 0.682 0.697 0.706 0.762 0.856 0.783 - - -

Cv 4.33 11.3 23.3 45.0 79.6 121 155 176 192 203 0.89

4 3-5/8 92.1 2 50 Kv 3.75 9.77 20.2 38.9 68.9 105 134 152 166 176 - - -4 3-5/8 92.1 2 50XT 0.624 0.523 0.482 0.450 0.453 0.502 0.599 0.696 0.723 0.735 - - -

Cv 5.22 16.6 30.8 55.0 100 168 241 299 351 378 0.89

6 5-3/8 136.5 3 76 Kv 4.52 14.4 26.6 47.6 86.5 145 208 259 304 327 - - -6 5-3/8 136.5 3 76XT 0.883 0.725 0.571 0.597 0.592 0.514 0.526 0.623 0.667 0.725 - - -

1. At 100% travel.

Design HPD


Classes 900 & 1500



56789+# &'':()*+ N( . &<

Catalog 12



MaximumTravel



FL(1)

Cv 0.686 0.937 4.03 10.1 17.3 24.0 29.0 32.6 35.5 37.9 0.81

2 1-7/8 47.6 1 25.4 Kv 0.593 0.811 3.49 8.74 15.0 20.8 25.1 28.2 30.7 32.8 - - -2 1-7/8 47.6 1 25.4XT 0.888 0.675 0.533 0.566 0.616 0.656 0.702 0.733 0.747 0.722 - - -


Cv 0.596 1.09 2.58 5.61 10.1 15.4 20.9 26.2 30.8 34.7 0.83

2 1-7/8 47.6 1 25.4 Kv 0.516 0.943 2.23 4.85 8.74 13.3 18.1 22.7 26.6 30.0 - - -2 1-7/8 47.6 1 25.4XT 0.816 0.667 0.631 0.602 0.588 0.594 0.633 0.686 0.721 0.719 - - -


Cv 0.622 1.34 3.52 7.73 13.4 19.5 25.5 31.0 34.7 38.0 0.81

2 1-7/8 47.6 1-1/8 28.6 Kv 0.538 1.16 3.04 6.69 11.6 16.9 22.1 26.8 30.0 32.9 - - -2 1-7/8 47.6 1-1/8 28.6XT 0.667 0.664 0.640 0.570 0.586 0.635 0.669 0.712 0.757 0.707 - - -

1. At 100% travel.

Notes: The coefficients on this page are also appropriate for the Design HPT.

Design HPD


Class 2500



ODP+ &'''()*+ N( . &4


Whisper Trim"""" III—Classes 900 & 1500 LinearCharacteristic

Port Maximum

CageValve

PortDiameter


CageLevel


Coeffi-cient Mini-

mum(1) 10 20 30 40 50 60 70 80 90 100

Cv 1.20 3.00 7.70 13.0 17.8 22.3 26.4 31.0 35.3 39.0 42.0

2 1-7/8 47.6 1-1/2 38 Kv 1.04 2.59 6.66 11.2 15.4 19.3 22.8 26.8 30.5 33.7 36.32 1-7/8 47.6 1-1/2 38XT 0.569 0.516 0.602 0.604 0.610 0.607 0.618 0.608 0.607 0.612 0.608

Cv 1.26 6.57 24.1 42.1 58.9 74.0 86.8 97.4 105 110 111

3 2-7/8 73.0 2 50 Kv 1.09 5.68 20.8 36.4 50.9 64.0 75.1 84.3 90.8 95.2 96.0

A1(2)3 2-7/8 73.0 2 50

XT 0.826 0.727 0.610 0.560 0.558 0.588 0.641 0.687 0.723 0.738 0.772A1"P/P1!0.6 Cv 1.88 7.56 27.3 50.1 71.5 90.8 109 126 142 155 162

4 3-5/8 92.1 2 50 Kv 1.63 6.54 23.6 43.3 61.8 78.5 94.3 109 123 134 1404 3-5/8 92.1 2 50XT 0.538 0.625 0.586 0.545 0.519 0.520 0.542 0.577 0.614 0.640 0.674

Cv 13.8 28.6 66.4 103 142 180 220 253 284 308 324

6 5-3/8 136.5 3 76 Kv 11.9 24.7 57.4 89.1 123 156 190 219 246 266 2806 5-3/8 136.5 3 76XT 0.478 0.423 0.513 0.533 0.525 0.557 0.535 0.543 0.560 0.598 0.627

Whisper Trim"""" III—Class 2500 LinearCharacteristic

Cv - - - 3.1 8.4 13.1 17.3 21.4 25.1 28.3 30.8 32.9 34.9A1(2)

2 1-7/8 47.6 1-1/2 38 Kv - - - 2.68 7.27 11.3 15.0 18.5 21.7 24.5 26.6 28.5 30.2"P/P1!0.6

2 1-7/8 47.6 1-1/2 38XT 0.569 0.516 0.602 0.604 0.610 0.607 0.618 0.608 0.607 0.612 0.608

Whisper Trim"""" III—Classes 900 & 1500 LinearCharacteristic

Cv 0.796 3.00 9.00 14.4 18.6 23.4 28.5 34.6 40.2 45.0 48.8B1

3 2-7/8 73.0 2 50 Kv 0.689 2.59 7.79 12.5 16.1 20.2 24.7 29.9 34.8 38.9 42.2"P/P1!.75

3 2-7/8 73.0 2 50XT 0.796 0.615 0.618 0.592 0.622 0.622 0.633 0.620 0.624 0.622 0.622

Cv 3.50 8.00 20.0 30.0 40.0 52.0 62.0 73.0 82.0 88.9 88.9

4 3-5/8 92.1 2 50 Kv 3.03 6.92 17.3 25.9 34.6 45.0 53.6 63.1 70.9 76.9 76.9

B3

4 3-5/8 92.1 2 50XT 0.617 0.591 0.531 0.524 0.517 0.513 0.509 0.517 0.527 0.522 0.522B3

"P/P1!.75 Cv 8.00 13 30 50 69 87 107 125 143 160 166

6 5-3/8 136.5 3 76 Kv 6.92 11.2 25.9 43.3 59.7 75.3 92.6 108 124 138 1446 5-3/8 136.5 3 76XT 0.610 0.577 0.580 0.548 0.552 0.563 0.545 0.554 0.552 0.555 0.554

Cv 3.50 8.00 15.0 21.5 28.0 34.4 41.0 47.3 53.5 56.5 56.8

4 3-5/8 92.1 2 50 Kv 3.03 6.92 13.0 18.6 24.2 29.8 35.5 40.9 46.3 48.9 49.14 3-5/8 92.1 2 50XT 0.617 0.526 0.516 0.530 0.530 0.539 0.535 0.540 0.538 0.540 0.540

C3Cv 8.00 8.30 20.5 33.0 44.3 57.0 69.0 83.0 96.5 108 112

6 5-3/8 136.5 3 76 Kv 6.92 7.18 17.7 28.5 38.3 49.3 59.7 71.8 83.5 93.4 96.96 5-3/8 136.5 3 76XT 0.563 0.567 0.575 0.572 0.572 0.556 0.568 0.563 0.561 0.559 0.563

Cv 2.30 4.00 7.90 11.5 15.2 18.8 22.8 27.0 30.8 33.7 37.1

4 2-7/8 73.0 2 50 Kv 1.99 3.46 6.83 9.95 13.1 16.3 19.7 23.4 26.6 29.2 32.14 2-7/8 73.0 2 50XT 0.554 0.517 0.525 0.540 0.526 0.533 0.536 0.534 0.530 0.533 0.530

D3Cv 2.30 7.00 14.0 20.7 28.0 34.8 41.6 48.5 55.7 62.5 69.6

6 4-3/8 111.1 3 76 Kv 1.99 6.05 12.1 17.9 24.2 30.1 36.0 42.0 48.2 54.1 60.26 4-3/8 111.1 3 76XT 0.579 0.563 0.557 0.572 0.557 0.569 0.564 0.566 0.562 0.566 0.564


Notes: The coefficients on this page are also appropriate for the Design HPT.

Design HPD

Whisper Trim" III Cages

Classes 900, 1500, & 2500



56789+# &'':()*+ N( . &:

Catalog 12



MaximumTravel



FL(1)

Cv - - - 3.56 11.7 23.0 33.9 42.3 47.5 50.7 53.4 54.6 0.98

2 1-7/8 47.6 1-1/2 38 Kv - - - 3.08 10.1 19.9 29.3 36.6 41.1 43.9 46.2 47.2 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.767 0.681 0.658 0.666 0.693 0.718 0.728 0.719 0.711 - - -

Cv - - - 9.01 30.6 55.6 78.9 97.7 111 120 125 127 0.96

3 2-7/8 73.0 2 50 Kv - - - 7.79 26.5 48.1 68.2 84.5 96.0 104 108 110 - - -3 2-7/8 73.0 2 50XT - - - 0.660 0.636 0.663 0.687 0.713 0.734 0.742 0.742 0.739 - - -


Cv 0.645 0.996 3.51 8.74 15.9 23.5 30.0 34.3 37.0 40.9 >0.96

2 1-7/8 47.6 1 25 Kv 0.558 0.862 3.04 7.56 13.8 20.3 26.0 29.7 32.0 35.4 - - -2 1-7/8 47.6 1 25XT 0.905 0.813 0.715 0.701 0.703 0.704 0.701 0.699 0.699 0.710 - - -


Cv - - - 1.09 3.04 6.77 12.2 18.9 26.7 34.5 40.5 45.8 0.92

2 1-7/8 47.6 1-1/8 29 Kv - - - 0.943 2.63 5.86 10.6 16.3 23.1 29.8 35.0 39.6 - - -2 1-7/8 47.6 1-1/8 29XT - - - 0.357 0.670 0.717 0.670 0.629 0.598 0.597 0.632 0.652 - - -

Cv - - - 1.23 4.08 10.7 21.7 36.5 53.7 72.2 90.2 101 0.88

3 2-7/8 73.0 1-1/2 38 Kv - - - 1.06 3.53 9.26 18.8 31.6 46.5 62.5 78.0 87.4 - - -3 2-7/8 73.0 1-1/2 38XT - - - 0.967 0.821 0.685 0.634 0.628 0.641 0.659 0.672 0.730 - - -


Cv 0.653 0.977 2.35 5.14 9.18 14.2 20.1 26.2 30.7 35.7 >0.96

2 1-7/8 47.6 1 25 Kv 0.565 0.845 2.03 4.45 7.94 12.3 17.4 22.7 26.6 30.9 - - -2 1-7/8 47.6 1 25XT 0.997 0.912 0.785 0.708 0.680 0.690 0.733 0.763 0.768 0.751 - - -


Cv - - - 2.19 6.69 14.5 24.1 33.7 42.4 48.9 51.9 54.4 0.95

2 1-7/8 47.6 1-1/2 38 Kv - - - 1.89 5.79 12.5 20.8 29.2 36.7 42.3 44.9 47.1 - - -2 1-7/8 47.6 1-1/2 38XT - - - 0.594 0.741 0.648 0.592 0.602 0.641 0.660 0.663 0.670 - - -

Cv - - - 2.78 10.6 26.3 47.9 71.5 93.6 109 116 124 0.95

3 2-7/8 73.0 2 50 Kv - - - 2.40 9.17 22.7 41.4 61.8 81.0 94.3 100 107 - - -3 2-7/8 73.0 2 50XT - - - 0.902 0.690 0.625 0.637 0.666 0.689 0.725 0.783 0.757 - - -


Cv 0.654 1.21 3.18 7.07 12.4 18.4 25.1 31.5 35.6 40.0 >0.96

2 1-7/8 47.6 1-1/8 29 Kv 0.566 1.05 2.75 6.12 10.7 15.9 21.7 27.2 30.8 34.6 - - -2 1-7/8 47.6 1-1/8 29XT 0.998 0.595 0.430 0.374 0.370 0.413 0.471 0.526 0.571 0.689 - - -

1. At 100% travel.

Design HPS

Linear & Equal Percentage Cages

Classes 900, 1500, & 2500



56789+# &'':()*+ N( . &'

Catalog 12Fisher, Fisher-Rosemount and Micro-Flute are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

Micro-Flute!!!! Equal PercentageCharacteristic


MaximumTravel



FL(1)

Cv 0.039 0.046 0.056 0.072 0.094 0.124 0.162 0.212 0.278 0.354 0.87


Cv 0.053 0.073 0.101 0.146 0.216 0.312 0.433 0.588 0.802 1.07 0.90


1Cv 0.066 0.121 0.200 0.314 0.470 0.674 0.945 1.30 1.74 2.24 0.81

3/8 9.5 3/4 19 Kv 0.057 0.105 0.173 0.272 0.407 0.583 0.817 1.12 1.51 1.94 - - -3/8 9.5 3/4 19XT 0.944 0.744 0.652 0.600 0.586 0.585 0.583 0.584 0.582 0.585 - - -

Cv 0.105 0.184 0.314 0.488 0.716 1.04 1.53 2.30 3.20 4.21 0.84

1/2 12.7 3/4 19 Kv 0.091 0.159 0.272 0.422 0.619 0.900 1.32 1.99 2.77 3.64 - - -1/2 12.7 3/4 19XT 0.974 0.792 0.654 0.638 0.630 0.580 0.547 0.497 0.523 0.549 - - -

1. At 100% travel.

Design HPS

Micro-Flute! Valve Plug

Classes 900, 1500, & 2500



56789+# &'':()*+ N( . /=

Catalog 12



MaximumTravel



FL(1)

Cv 0.072 0.102 0.138 0.209 0.309 0.438 0.630 0.894 1.22 1.61 0.96

1/4 6.4 3/4 19 Kv 0.062 0.088 0.119 0.181 0.267 0.379 0.545 0.773 1.06 1.39 - - -1/4 6.4 3/4 19XT 0.972 0.971 0.986 0.792 0.668 0.611 0.611 0.609 0.606 0.610 - - -

Cv 0.269 0.404 0.555 0.738 1.03 1.52 2.18 3.10 4.23 5.39 0.97

1/2 12.7 3/4 19 Kv 0.233 0.349 0.480 0.638 0.891 1.31 1.89 2.68 3.66 4.66 - - -1/2 12.7 3/4 19XT 0.789 0.708 0.702 0.650 0.626 0.572 0.583 0.606 0.646 0.713 - - -

1Cv 0.384 0.577 0.941 1.39 2.02 2.93 4.40 6.58 8.45 9.61 0.95

3/4 19.1 3/4 19 Kv 0.332 0.499 0.814 1.20 1.75 2.53 3.81 5.69 7.31 8.31 - - -3/4 19.1 3/4 19XT 0.532 0.774 0.714 0.587 0.579 0.584 0.588 0.607 0.672 0.773 - - -

Cv 0.586 1.13 1.74 2.57 3.86 5.76 8.03 9.92 11.1 13.0 0.91

1 25.4 3/4 19 Kv 0.507 0.977 1.51 2.22 3.34 4.98 6.95 8.58 9.60 11.24 - - -1 25.4 3/4 19XT 0.873 0.807 0.618 0.547 0.545 0.564 0.577 0.622 0.725 0.674 - - -

Cv 0.072 0.102 0.138 0.209 0.309 0.438 0.630 0.894 1.22 1.61 0.96

1/4 6.4 3/4 19 Kv 0.062 0.088 0.119 0.181 0.267 0.379 0.545 0.773 1.06 1.39 - - -1/4 6.4 3/4 19XT 0.972 0.971 0.986 0.792 0.668 0.611 0.611 0.609 0.606 0.610 - - -

Cv 0.269 0.404 0.555 0.738 1.03 1.52 2.18 3.10 4.23 5.39 0.97

1/2 12.7 3/4 19 Kv 0.233 0.349 0.480 0.638 0.891 1.31 1.89 2.68 3.66 4.66 - - -1/2 12.7 3/4 19XT 0.789 0.708 0.702 0.650 0.626 0.572 0.583 0.606 0.646 0.713 - - -

Cv 0.384 0.577 0.941 1.39 2.02 2.93 4.40 6.58 8.45 9.61 0.95

3/4 19.1 3/4 19 Kv 0.332 0.499 0.814 1.20 1.75 2.53 3.81 5.69 7.31 8.31 - - -3/4 19.1 3/4 19XT 0.532 0.774 0.714 0.587 0.579 0.584 0.588 0.607 0.672 0.773 - - -

2Cv 0.586 1.13 1.74 2.57 3.86 5.76 8.03 9.92 11.1 13.0 0.91

1 25.4 3/4 19 Kv 0.507 0.977 1.51 2.22 3.34 4.98 6.95 8.58 9.60 11.2 - - -1 25.4 3/4 19XT 0.873 0.807 0.618 0.547 0.545 0.564 0.577 0.622 0.725 0.674 - - -

Cv 0.980 1.39 1.90 2.88 4.73 8.17 14.0 19.8 23.9 26.7 0.89

1-1/4 31.8 3/4 19 Kv 0.848 1.20 1.64 2.49 4.09 7.07 12.1 17.1 20.7 23.1 - - -1-1/4 31.8 3/4 19XT 0.700 0.702 0.703 0.702 0.697 0.703 0.701 0.701 0.702 0.701 - - -

Cv 1.66 2.73 4.51 7.88 13.7 21.8 30.2 36.5 40.8 46.3 0.96

1-1/2 38.1 1-1/8 29 Kv 1.44 2.36 3.90 6.82 11.9 18.9 26.1 31.6 35.3 40.0 - - -1-1/2 38.1 1-1/8 29XT 0.719 0.599 0.552 0.542 0.574 0.643 0.713 0.733 0.694 0.682 - - -

1. At 100% travel.

Design HPS


Classes 900 & 1500



56789+# &'':()*+ N( . /&

Catalog 12Fisher, Fisher-Rosemount and Micro-Form are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.



MaximumTravel



FL(1)

Cv 0.072 0.102 0.138 0.209 0.309 0.438 0.630 0.894 1.22 1.61 0.96

1/4 6.4 3/4 19 Kv 0.062 0.088 0.119 0.181 0.267 0.379 0.545 0.773 1.06 1.39 - - -1/4 6.4 3/4 19XT 0.972 0.971 0.986 0.792 0.668 0.611 0.611 0.609 0.606 0.610 - - -

Cv 0.269 0.404 0.555 0.738 1.03 1.52 2.18 3.10 4.23 5.39 0.97

1/2 12.7 3/4 19 Kv 0.233 0.349 0.480 0.638 0.891 1.31 1.89 2.68 3.66 4.66 - - -1/2 12.7 3/4 19XT 0.789 0.708 0.702 0.650 0.626 0.572 0.583 0.606 0.646 0.713 - - -

1Cv 0.384 0.577 0.941 1.39 2.02 2.93 4.40 6.58 8.45 9.61 0.95

3/4 19.1 3/4 19 Kv 0.332 0.499 0.814 1.20 1.75 2.53 3.81 5.69 7.31 8.31 - - -3/4 19.1 3/4 19XT 0.532 0.774 0.714 0.587 0.579 0.584 0.588 0.607 0.672 0.773 - - -

Cv 0.639 1.21 1.83 2.74 4.15 5.99 7.81 9.12 10.1 11.5 0.97

1 25.4 3/4 19 Kv 0.553 1.05 1.58 2.37 3.59 5.18 6.76 7.89 8.74 9.95 - - -1 25.4 3/4 19XT 0.777 0.698 0.582 0.562 0.511 0.559 0.664 0.707 0.730 0.676 - - -

Cv 0.062 0.095 0.137 0.209 0.309 0.438 0.630 0.894 1.22 1.61 0.96

1/4 6.4 3/4 19 Kv 0.054 0.082 0.119 0.181 0.267 0.379 0.545 0.773 1.06 1.39 - - -1/4 6.4 3/4 19XT 0.972 0.971 0.986 0.792 0.668 0.611 0.611 0.609 0.606 0.610 - - -

Cv 0.269 0.404 0.555 0.738 1.03 1.52 2.18 3.10 4.23 5.39 0.97

1/2 12.7 3/4 19 Kv 0.233 0.349 0.480 0.638 0.891 1.31 1.89 2.68 3.66 4.66 - - -1/2 12.7 3/4 19XT 0.789 0.708 0.702 0.650 0.626 0.572 0.583 0.606 0.646 0.713 - - -

Cv 0.384 0.577 0.941 1.39 2.02 2.93 4.40 6.58 8.45 9.61 0.95

3/4 19.1 3/4 19 Kv 0.332 0.499 0.814 1.20 1.75 2.53 3.81 5.69 7.31 8.31 - - -3/4 19.1 3/4 19XT 0.532 0.774 0.714 0.587 0.579 0.584 0.588 0.607 0.672 0.773 - - -

2Cv 0.586 1.13 1.74 2.57 3.86 5.76 8.03 9.92 11.1 13.0 0.91

1 25.4 3/4 19 Kv 0.507 0.977 1.51 2.22 3.34 4.98 6.95 8.58 9.60 11.2 - - -1 25.4 3/4 19XT 0.873 0.807 0.618 0.547 0.545 0.564 0.577 0.622 0.725 0.674 - - -

Cv 0.980 1.39 1.90 2.88 4.73 8.17 14.0 19.8 23.9 26.7 0.89

1-1/4 31.8 3/4 19 Kv 0.848 1.20 1.64 2.49 4.09 7.07 12.1 17.1 20.7 23.1 - - -1-1/4 31.8 3/4 19XT 0.700 0.702 0.703 0.702 0.697 0.703 0.701 0.701 0.702 0.701 - - -

Cv 1.59 2.62 4.54 8.16 14.1 21.5 28.5 33.3 36.8 41.0 >0.96

1-1/2 38.1 1-1/8 29 Kv 1.38 2.27 3.93 7.06 12.2 18.6 24.7 28.8 31.8 35.5 - - -1-1/2 38.1 1-1/8 29XT 0.520 0.656 0.527 0.451 0.575 0.768 0.779 0.728 0.730 0.656 - - -

1. At 100% travel.

Design HPS


Class 2500



56789+# &'':()*+ N( . //

Catalog 12



MaximumTravel



FL(1)

Cv 0.320 0.560 0.884 1.52 2.64 4.23 5.90 6.20 6.40 6.50 0.97

1/2 6.4 1-1/8 29 Kv 0.277 0.484 0.765 1.31 2.28 3.66 5.10 5.36 5.54 5.62 - - -1/2 6.4 1-1/8 29XT 0.741 0.660 0.561 0.536 0.603 0.685 0.569 0.612 0.598 0.594 - - -

Cv 0.480 0.940 1.71 2.93 5.49 8.45 10.5 11.5 12.0 12.5 0.95

1 3/4 19.1 1-1/8 29 Kv 0.415 0.813 1.48 2.53 4.75 7.31 9.08 9.95 10.4 10.8 - - -1 3/4 19.1 1-1/8 29XT 0.741 0.660 0.561 0.535 0.599 0.685 0.655 0.632 0.626 0.594 - - -

Cv 0.85 1.73 3.22 5.71 8.81 11.6 13.7 15.5 16.5 17.1 0.85

1 25.4 1-1/8 29 Kv 0.735 1.50 2.79 4.94 7.62 10.0 11.9 13.4 14.3 14.8 - - -1 25.4 1-1/8 29XT 0.741 0.660 0.561 0.535 0.600 0.685 0.699 0.632 0.626 0.594 - - -

Cv 0.320 0.560 0.884 1.52 2.64 4.23 5.90 6.20 6.40 6.50 0.97

1/2 6.4 1-1/8 29 Kv 0.277 0.484 0.765 1.31 2.28 3.66 5.10 5.36 5.54 5.62 - - -1/2 6.4 1-1/8 29XT 0.739 0.660 0.562 0.536 0.603 0.685 0.569 0.612 0.598 0.592 - - -

Cv 0.480 0.940 1.71 2.93 5.49 8.45 10.5 11.5 12.0 12.5 0.95

3/4 19.1 1-1/8 29 Kv 0.415 0.813 1.48 2.53 4.75 7.31 9.08 9.95 10.4 10.8 - - -3/4 19.1 1-1/8 29XT 0.739 0.658 0.560 0.535 0.599 0.686 0.655 0.633 0.627 0.593 - - -

Cv 0.845 1.73 3.22 5.76 8.98 11.7 16.0 17.8 19.0 20.0 0.91

2 1 25.4 1-1/8 29 Kv 0.731 1.50 2.79 4.98 7.77 10.1 13.8 15.4 16.4 17.3 - - -2 1 25.4 1-1/8 29XT 0.741 0.660 0.561 0.668 0.731 0.731 0.682 0.691 0.655 0.632 - - -

Cv 1.19 1.90 3.60 8.17 16.9 23.9 29.0 31.0 32.0 33.0 0.91

1-1/4 31.8 1-1/8 29 Kv 1.03 1.64 3.11 7.07 14.6 20.7 25.1 26.8 27.7 28.5 - - -1-1/4 31.8 1-1/8 29XT 0.584 0.603 0.552 0.668 0.731 0.654 0.657 0.670 0.667 0.632 - - -

Cv 1.98 3.83 7.96 16.0 27.2 37.4 43.3 46.9 51.5 52.2 0.97

1-1/2 38.1 1-1/2 38 Kv 1.71 3.31 6.89 13.8 23.5 32.4 37.5 40.6 44.5 45.2 - - -1-1/2 38.1 1-1/2 38XT 0.584 0.603 0.554 0.668 0.731 0.654 0.682 0.691 0.634 0.632 - - -

1. At 100% travel.

Design HPS


Classes 900 & 1500



56789+# &'':()*+ N( . /2

Catalog 12Fisher, Fisher-Rosemount, Micro-Form, and Whisper Trim are marksowned by Fisher Controls International, Inc. or Fisher-Rosemount Sys-tems, Inc. All other marks are the property of their respective owners.



MaximumTravel



FL(1)

Cv 0.320 0.560 0.884 1.52 2.64 4.23 5.90 6.20 6.40 6.50 0.97

1/2 6.4 1-1/8 29 Kv 0.277 0.484 0.765 1.31 2.28 3.66 5.10 5.36 5.54 5.62 - - -1/2 6.4 1-1/8 29XT 0.741 0.660 0.561 0.536 0.603 0.685 0.569 0.612 0.598 0.594 - - -

Cv 0.480 0.940 1.71 2.93 5.49 8.45 10.5 11.5 12.0 12.5 0.95

1 3/4 19.1 1-1/8 29 Kv 0.415 0.813 1.48 2.53 4.75 7.31 9.08 9.95 10.4 10.8 - - -1 3/4 19.1 1-1/8 29XT 0.741 0.660 0.561 0.535 0.599 0.685 0.655 0.632 0.626 0.594 - - -

Cv 0.050 1.54 3.61 5.83 7.44 8.86 10.6 12.4 13.1 13.8 0.88

1 25.4 1-1/8 29 Kv 0.043 1.33 3.12 5.04 6.44 7.66 9.17 10.7 11.3 11.9 - - -1 25.4 1-1/8 29XT 0.489 0.848 0.556 0.544 0.709 0.820 0.714 0.588 0.644 0.580 - - -

Cv 0.320 0.560 0.884 1.52 2.64 4.23 5.90 6.20 6.40 6.50 0.97

1/2 6.4 1-1/8 29 Kv 0.277 0.484 0.765 1.31 2.28 3.66 5.10 5.36 5.54 5.62 - - -1/2 6.4 1-1/8 29XT 0.739 0.660 0.562 0.536 0.603 0.685 0.569 0.612 0.598 0.592 - - -

Cv 0.480 0.940 1.71 2.93 5.49 8.45 10.5 11.5 12.0 12.5 0.95

3/4 19.1 1-1/8 29 Kv 0.415 0.813 1.48 2.53 4.75 7.31 9.08 9.95 10.4 10.8 - - -3/4 19.1 1-1/8 29XT 0.739 0.658 0.560 0.535 0.599 0.686 0.655 0.633 0.627 0.593 - - -

Cv 0.845 1.73 3.22 5.76 8.98 11.7 16.0 17.8 19.0 20.0 0.91

2 1 25.4 1-1/8 29 Kv 0.731 1.50 2.79 4.98 7.77 10.1 13.8 15.4 16.4 17.3 - - -2 1 25.4 1-1/8 29XT 0.741 0.660 0.561 0.668 0.731 0.731 0.682 0.691 0.655 0.632 - - -

Cv 1.19 1.90 3.60 8.17 16.9 23.9 29.0 31.0 32.0 33.0 0.91

1-1/4 31.8 1-1/8 29 Kv 1.03 1.64 3.11 7.07 14.6 20.7 25.1 26.8 27.7 28.5 - - -1-1/4 31.8 1-1/8 29XT 0.584 0.603 0.552 0.668 0.731 0.654 0.657 0.670 0.667 0.632 - - -

Cv 1.87 3.75 8.23 16.5 26.2 33.4 38.0 41.7 43.4 44.2 >0.96

1-1/2 38.1 1-1/2 38 Kv 1.62 3.24 7.12 14.3 22.7 28.9 32.9 36.1 37.5 38.2 - - -1-1/2 38.1 1-1/2 38XT 0.609 0.515 0.520 0.626 0.751 0.790 0.718 0.653 0.668 0.644 - - -

1. At 100% travel.

Design HPS


Class 2500



56789+# &'':()*+ N( . /;

Catalog 12

Whisper Trim III—Classes 900 and 1500 LinearCharacteristic

Port Maximum

CageValve

PortDiameter


CageLevel


Coeffi-cient Mini-

mum(1) 10 20 30 40 50 60 70 80 90 100

Cv 1.00 2.50 7.50 12.8 17.7 22.3 26.6 31.2 35.5 39.5 42.6

2 1-7/8 47.6 1-1/2 38 Kv 0.865 2.16 6.49 11.1 15.3 19.3 23.0 27.0 30.7 34.2 36.8

A1(2)

2 1-7/8 47.6 1-1/2 38XT 0.718 0.68 0.60 0.60 0.61 0.60 0.61 0.60 0.60 0.60 0.60A1(2)

"P/P1!0.6 Cv 1.25 6.00 21.0 34.6 49.0 62.7 77.0 89.7 98.8 105 108

3 2-7/8 73.0 2 50 Kv 1.08 5.19 18.2 29.9 42.4 54.2 66.6 77.6 85.5 90.8 93.43 2-7/8 73.0 2 50XT 0.839 0.87 0.80 0.83 0.81 0.82 0.82 0.81 0.82 0.81 0.82

Whisper Trim III—Class 2500 LinearCharacteristic

Cv - - - 3.1 8.4 13.1 17.3 21.4 25.1 28.3 30.8 32.9 34.9A1(2)

2 1-7/8 47.6 1-1/2 38 Kv - - - 2.68 7.27 11.3 15.0 18.5 21.7 24.5 26.6 28.5 30.2"P/P1!0.6

2 1-7/8 47.6 1-1/2 38XT 0.718 0.68 0.60 0.61 0.60 0.61 0.60 0.60 0.60 0.60 0.60

Whisper Trim III—Classes 900 and 1500 LinearCharacteristic

Cv 0.900 3.00 9.00 14.0 18.6 23.4 28.6 34.7 40.0 45.0 48.7B1

3 2-7/8 73.0 2 50 Kv 0.778 2.59 7.79 12.1 16.1 20.2 24.7 30.0 34.6 38.9 42.1"P/P1!.75

3 2-7/8 73.0 2 50XT 0.622 0.62 0.62 0.63 0.62 0.62 0.63 0.62 0.63 0.62 0.63


Design HPS

Whisper Trim" III CageClasses 900, 1500, & 2500



56789+# &'':()*+ N( . /3

Catalog 12Whisper Trim, Cavitrol, Fisher, and Fisher-Rosemount are marks ownedby Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.All other marks are the property of their respective owners.

Classes 900, 1500, & 2500 LinearCharacteristic

Port MaximumTrim

Valve PortDiameter

MaximumTravel

Flow Minimum Valve Opening—Percent of Total TravelF (3)

StageSize,


ThrottlingCv

(2) 10 20 30 40 50 60 70 80 90 100FL

(3)

Cv 0.360 0.163 0.836 1.80 2.74 3.64 4.51 5.36 6.18 6.91 7.39 0.98

Two1(1) 7/8(1) 22.2 1-1/2 38

Kv 0.311 0.141 0.723 1.56 2.37 3.15 3.90 4.64 5.35 5.98 6.39 - - -TwoStage Cv 0.580 1.07 1.97 3.29 4.86 6.58 8.36 10.1 11.7 13.0 14.0 0.98

2 1-3/4 44.4 2 50Kv 0.502 0.926 1.70 2.85 4.20 5.69 7.23 8.74 10.1 11.2 12.1 - - -


Kv 0.510 0.235 0.952 1.71 2.44 3.14 3.86 4.58 5.25 5.72 5.82 - - -


Cv 0.720 1.46 4.98 9.24 13.2 17.0 20.7 24.7 28.5 31.9 34.4 0.983 2-1/2 63.5 2-1/2 64

Kv 0.623 1.26 4.31 7.99 11.4 14.7 17.9 21.4 24.7 27.6 29.8 - - -

Two Cv 0.900 2.61 9.01 15.6 21.8 28.3 34.8 40.4 46.4 52.2 58.1 0.98TwoStage 4 3-7/16 87.3 3 76

Kv 0.778 2.26 7.79 13.5 18.9 24.5 30.1 34.9 40.1 45.2 50.3 - - -

Cv 1.72 7.50 20.7 33.8 47.0 60.1 73.3 87.0 100 112 123 0.986 5-1/4 133.3 4 102

Kv 1.49 6.49 17.9 29.2 40.7 52.0 63.4 75.3 86.5 96.9 106 - - -

Cv 1.20 0.747 2.02 3.92 6.15 8.01 9.50 11.0 12.8 14.9 16.5 0.993 1-7/8 47.6 2-1/2 64

Kv 1.04 0.646 1.75 3.39 5.32 6.93 8.22 9.52 11.1 12.9 14.3 - - -

Three Cv 1.70 2.80 5.50 8.30 11.0 13.9 16.7 19.4 22.2 25.0 27.8 0.99ThreeStage 4 2-7/8 73.0 3 76

Kv 1.47 2.42 4.76 7.18 9.52 12.0 14.4 16.8 19.2 21.6 24.0 - - -

Cv 3.10 6.10 13.2 19.8 26.1 34.1 41.5 48.2 54.5 60.9 65.0 0.996 4-9/16 115.9 4 102

Kv 2.68 5.28 11.4 17.1 22.6 29.5 35.9 41.7 47.1 52.7 56.2 - - -1. Cavitrol III trim in the 1-inch, two stage and the 2-inch, three stage are unbalanced valve plugs. These sizes and constructions are Design HPS valves; all others in this table areDesign HPT valves.2. Valves should not be required to throttle at a Cv less than the specified minimum Cv for an extended period. Erosion damage to the valve seats may result.3. At 100% travel.

Design HPS & HPT

Cavitrol" III Cages

Classes 900, 1500, & 2500



56789+# &'':()*+ N( . /<

Catalog 12

Taper Valve PlugDesign PQC


56789+# &'':()*+ (QF..&


Globe-Flow Up Quick OpeningCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.654 1.03 1.32 1.50 1.58 1.60 1.60 1.60 1.60 1.60 0.77

1/4 6.4 3/8 9.5 Kv 0.566 0.891 1.14 1.30 1.37 1.38 1.38 1.38 1.38 1.38 - - -1/4 6.4 3/8 9.5XT 0.539 0.685 0.694 0.614 0.553 0.539 0.539 0.539 0.539 0.539 - - -

Cv 0.957 1.65 2.33 2.79 2.99 3.01 3.01 3.01 3.01 3.01 0.82

3/8 9.5 3/8 9.5 Kv 0.828 1.43 2.02 2.41 2.59 2.60 2.60 2.60 2.60 2.60 - - -3/8 9.5 3/8 9.5XT 0.578 0.650 0.699 0.727 0.742 0.746 0.746 0.746 0.746 0.746 - - -

1Cv 1.18 2.16 3.13 3.96 4.41 4.49 4.49 4.49 4.49 4.49 0.91

1/2 12.7 3/8 9.5 Kv 1.02 1.87 2.71 3.43 3.81 3.88 3.88 3.88 3.88 3.88 - - -1/2 12.7 3/8 9.5XT 0.614 0.634 0.677 0.684 0.742 0.794 0.803 0.814 0.824 0.824 - - -

Cv 2.49 3.02 3.61 4.84 6.13 6.54 6.82 7.09 7.26 7.42 0.87

3/4 19.1 3/8 9.5 Kv 2.15 2.61 3.12 4.19 5.30 5.66 5.90 6.13 6.28 6.42 - - -3/4 19.1 3/8 9.5XT 0.767 0.659 0.623 0.666 0.733 0.753 0.755 0.752 0.783 0.773 - - -

Globe-Flow Down Quick OpeningCharacteristic

Cv 0.712 1.28 1.48 1.56 1.59 1.60 1.60 1.60 1.60 1.60 0.82

1/4 6.4 3/8 9.5 Kv 0.616 1.11 1.28 1.35 1.38 1.38 1.38 1.38 1.38 1.38 - - -1/4 6.4 3/8 9.5XT 0.575 0.604 0.601 0.577 0.572 0.567 0.567 0.567 0.567 0.567 - - -

Cv 1.05 1.96 2.58 2.92 3.09 3.13 3.13 3.13 3.13 3.13 0.87

3/8 9.5 3/8 9.5 Kv 0.91 1.70 2.23 2.53 2.67 2.71 2.71 2.71 2.71 2.71 - - -3/8 9.5 3/8 9.5XT 0.559 0.514 0.613 0.671 0.681 0.690 0.717 0.717 0.717 0.717 - - -

1Cv 1.30 2.30 3.24 3.79 4.04 4.11 4.14 4.15 4.21 4.22 0.91

1/2 12.7 3/8 9.5 Kv 1.12 1.99 2.80 3.28 3.49 3.56 3.58 3.59 3.64 3.65 - - -1/2 12.7 3/8 9.5XT 0.512 0.579 0.607 0.691 0.783 0.866 0.899 0.917 0.891 0.887 - - -

Cv 1.95 2.37 3.02 4.59 5.79 5.96 6.06 6.22 6.43 6.60 0.92

3/4 19.1 3/8 9.5 Kv 1.69 2.05 2.61 3.97 5.01 5.16 5.24 5.38 5.56 5.71 - - -3/4 19.1 3/8 9.5XT 0.642 0.752 0.756 0.779 0.799 0.939 0.997 0.981 0.991 0.981 - - -

Angle-Flow Up Quick OpeningCharacteristic

Cv 0.808 1.20 1.41 1.54 1.60 1.60 1.60 1.60 1.60 1.60 0.77

1/4 6.4 3/8 9.5 Kv 0.699 1.04 1.22 1.33 1.38 1.38 1.38 1.38 1.38 1.38 - - -1/4 6.4 3/8 9.5XT 0.398 0.633 0.706 0.597 0.553 0.553 0.553 0.553 0.553 0.553 - - -

Cv 1.09 1.84 2.47 2.91 3.26 3.43 3.44 3.44 3.44 3.44 0.76

3/8 9.5 3/8 9.5 Kv 0.943 1.59 2.14 2.52 2.82 2.97 2.98 2.98 2.98 2.98 - - -3/8 9.5 3/8 9.5XT 0.433 0.563 0.636 0.715 0.661 0.608 0.605 0.605 0.605 0.605 - - -

1Cv 1.25 2.21 3.20 4.12 4.75 5.11 5.33 5.49 5.58 5.59 0.90

1/2 12.7 3/8 9.5 Kv 1.08 1.91 2.77 3.56 4.11 4.42 4.61 4.75 4.83 4.84 - - -1/2 12.7 3/8 9.5XT 0.510 0.613 0.660 0.661 0.666 0.676 0.674 0.679 0.665 0.663 - - -

Cv 2.10 2.89 3.50 5.19 6.67 7.40 7.97 8.43 8.81 9.05 0.84

3/4 19.1 3/8 9.5 Kv 1.82 2.50 3.03 4.49 5.77 6.40 6.89 7.29 7.62 7.83 - - -3/4 19.1 3/8 9.5XT 0.787 0.613 0.675 0.702 0.718 0.731 0.717 0.694 0.698 0.786 - - -

1. At 100% travel.

Taper Valve PlugDesign PQC

56789+# &'':()*+ (QF./

Catalog 12 Printed in U.S.A. on recycled paper.


Angle-Flow Down Quick OpeningCharacteristic


PortDiameter

MaximumTravel

FlowCoeffi-



FL(1)

Cv 0.782 1.35 1.57 1.64 1.68 1.69 1.69 1.69 1.69 1.69 0.77

1/4 6.4 3/8 9.5 Kv 0.676 1.17 1.36 1.42 1.45 1.46 1.46 1.46 1.46 1.46 - - -1/4 6.4 3/8 9.5XT 0.397 0.498 0.520 0.522 0.504 0.500 0.500 0.500 0.500 0.500 - - -

Cv 0.923 1.88 2.69 3.19 3.49 3.64 3.65 3.65 3.65 3.65 0.77

3/8 9.5 3/8 9.5 Kv 0.798 1.63 2.33 2.76 3.02 3.15 3.16 3.16 3.16 3.16 - - -3/8 9.5 3/8 9.5XT 0.515 0.504 0.495 0.520 0.513 0.510 0.507 0.507 0.507 0.507 - - -

1Cv 1.36 2.52 3.58 4.43 4.87 5.05 5.09 5.09 5.09 5.09 0.78

1/2 12.7 3/8 9.5 Kv 1.18 2.18 3.10 3.83 4.21 4.37 4.40 4.40 4.40 4.40 - - -1/2 12.7 3/8 9.5XT 0.414 0.439 0.469 0.490 0.531 0.574 0.602 0.602 0.602 0.602 - - -

Cv 1.72 2.35 3.24 5.18 6.60 7.36 7.73 7.93 8.03 8.32 0.87

3/4 19.1 3/8 9.5 Kv 1.49 2.03 2.80 4.48 5.71 6.37 6.69 6.86 6.95 7.20 - - -3/4 19.1 3/8 9.5XT 0.796 0.759 0.619 0.619 0.669 0698 0.729 0.785 0.838 0.818 - - -

1. At 100% travel.

Posi-Seal"""" PackageType A41 with Type 1035


?+6+R9+# &'':()*+ (>(.&

Catalog 12Posi-Seal, Fisher, and Fisher-Rosemount are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.

The flow coefficients for the Posi-Seal Package (PSP) are identical to the Types 8560 and A41. In fact, the Type A41is one of its components. The Posi-Seal Package is available in sizes 2--12”, ANSI Class 150, and Wafer and SingleFlange Style. Refer to the Type 8560 information.

Valve BodyDesign RSS


56789+# &'':()*+ I>>.&-I>>./




PortDiameter(1)

MaximumTravel

FlowCoeffi-



Cv 0.011 0.019 0.029 0.043 0.052 0.062 0.079 0.116 0.139 0.172 0.2123/16(2) 5(2) 3/4 19.1

Kv 0.010 0.016 0.025 0.037 0.045 0.054 0.068 0.100 0.120 0.149 0.183

Cv 0.024 0.040 0.062 0.080 0.101 0.137 0.188 0.263 0.331 0.397 0.4623/16(2) 5(2) 3/4 19.1

Kv 0.021 0.035 0.054 0.069 0.087 0.119 0.163 0.227 0.286 0.343 0.400

Cv 0.011 0.017 0.032 0.054 0.090 0.141 0.227 0.478 0.766 0.917 0.9651/2 & 3/4 3/16(2) 5(2) 3/4 19.1

Kv 0.010 0.015 0.028 0.047 0.078 0.122 0.196 0.413 0.663 0.793 0.835

Cv 0.043 0.050 0.076 0.123 0.211 0.354 0.544 0.750 1.09 1.61 2.095/16 8 3/4 19.1

Kv 0.037 0.043 0.066 0.106 0.183 0.306 0.471 0.649 0.943 1.39 1.81

Cv 0.082 0.138 0.208 0.344 0.453 0.614 0.919 1.49 2.33 3.38 4.521/2 15 3/4 19.1

Kv 0.071 0.119 0.180 0.298 0.392 0.531 0.795 1.29 2.02 2.92 3.91

Cv 0.011 0.019 0.029 0.043 0.052 0.062 0.079 0.116 0.139 0.172 0.2123/16(2) 5(2) 3/4 19.1

Kv 0.010 0.016 0.025 0.037 0.045 0.054 0.068 0.100 0.120 0.149 0.183

Cv 0.024 0.040 0.062 0.080 0.101 0.137 0.188 0.263 0.331 0.397 0.4623/16(2) 5(2) 3/4 19.1

Kv 0.021 0.035 0.054 0.069 0.087 0.119 0.163 0.227 0.286 0.343 0.400

Cv 0.065 0.072 0.091 0.109 0.137 0.174 0.225 0.338 0.479 0.767 1.023/16(2) 5(2) 3/4 19.1

Kv 0.056 0.062 0.079 0.094 0.119 0.151 0.195 0.292 0.414 0.663 0.882

Cv 0.050 0.073 0.117 0.156 0.215 0.390 0.546 0.715 0.934 1.28 1.911 5/16 8 3/4 19.1

Kv 0.043 0.063 0.101 0.135 0.186 0.337 0.472 0.618 0.808 1.11 1.65

Cv 0.139 0.182 0.262 0.427 0.559 0.684 0.842 1.08 1.48 2.23 3.571/2 15 3/4 19.1

Kv 0.120 0.157 0.227 0.369 0.484 0.592 0.728 0.934 1.28 1.93 3.09

Cv 0.443 0.585 0.917 1.28 1.77 2.43 3.25 4.52 5.61 7.21 8.413/4 20 3/4 19.1

Kv 0.383 0.506 0.793 1.11 1.53 2.10 2.81 3.91 4.85 6.24 7.27

Cv 0.562 0.632 0.842 1.12 1.55 2.20 2.99 4.03 5.92 8.66 11.51 25 3/4 19.1

Kv 0.486 0.547 0.728 0.969 1.34 1.90 2.59 3.49 5.12 7.49 9.95

Cv 0.599 0.660 0.905 1.24 1.70 2.30 3.06 4.25 6.45 9.66 13.41 25 3/4 19.1

Kv 0.518 0.571 0.783 1.07 1.47 1.99 2.65 3.68 5.58 8.36 11.61-1/2

Cv 1.54 1.76 2.24 3.08 4.44 6.54 9.66 13.8 18.4 23.7 28.61-1/2 40 3/4 19.1

Kv 1.33 1.52 1.94 2.66 3.84 5.66 8.36 11.9 15.9 20.5 24.7

Cv 0.508 0.582 0.763 1.05 1.56 2.32 3.17 4.31 6.03 8.92 13.31-3/16 30 3/4 19.1

Kv 0.439 0.503 0.660 0.908 1.35 2.01 2.74 3.73 5.22 7.72 11.52

Cv 2.14 2.50 3.79 5.58 9.20 12.5 16.2 21.0 28.1 36.6 44.32 50 3/4 19.1

Kv 1.85 2.16 3.28 4.83 7.96 10.8 14.0 18.2 24.3 31.7 38.3

Cv 1.37 2.09 3.50 5.19 7.21 9.92 13.8 19.0 26.1 34.7 43.32 50 1-1/8 28.6

Kv 1.19 1.81 3.03 4.49 6.24 8.58 11.9 16.4 22.6 30.0 37.53

Cv 3.44 4.93 8.23 12.5 18.0 25.5 35.9 49.6 66.2 81.5 94.13-3/16 80 1-1/8 28.6

Kv 2.98 4.26 7.12 10.8 15.6 22.1 31.1 42.9 57.3 70.5 81.4

Cv 2.07 3.12 5.17 7.99 11.3 15.5 21.4 29.3 40.9 55.8 69.32-1/2 65 1-1/8 28.6

Kv 1.79 2.70 4.47 6.91 9.77 13.4 18.5 25.3 35.4 48.3 59.94

Cv 7.12 10.3 16.6 25.1 35.9 51.5 71.7 94.4 116 133 1454 96 1-1/8 28.6

Kv 6.16 8.91 14.4 21.7 31.1 44.5 62.0 81.7 100 115 1251. Inch equivalents of these metric port diameters have been rounded to common fractional diameters. Actual diameter of the 15 millimeter port is 0.591 inches, of the 40 millimeterport is 1.575 inches, and of the 96 millimeter port is 3.780 inches.2. The 3/16-inch (5 mm) diameter trim is available in three variations. Select the one that meets your flow requirement. In all the 3/16-inch (5 mm) diameter trims, a significant variationof the flow coefficients might occur. This variation is caused by dimensional changes in the seat because of the PTFE material properties and thermal expansion.

Composition Seals, Flat Metal Seals, and Flow Ring ConstructionsSizes 1- through 8-Inch

Type Vee-Ball$$$$ Designs V150, V200 & V300Forward Flow


>+"7+R9+# &'''()*+ G&3=.&

Catalog 12Vee-Ball, Fisher, and Fisher-Rosemount are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.


Valve Rotation, Degrees EqualPercentageCoefficients Size,

Inch 10 20 30 40 50 60 70 80 90

CV 0.010(1) .738 2.53 5.00 8.40 12.4 18.3 29.2 34.6

KV 0.009 .638 2.19 4.33 7.27 10.7 15.8 25.3 29.9

FL1(2)

0.93 0.90 0.90 0.88 0.83 0.84 0.81 0.66 0.69

XT 0.392 0.469 0.571 0.592 0.529 0.507 0.441 0.292 0.275

CV 0.014(1) 2.07 6.15 11.9 19.2 27.8 38.8 59.2 76.0

KV 0.012 1.79 5.32 10.3 16.6 24.0 33.6 51.2 65.7

FL1-1/2(2)

0.87 0.89 0.86 0.87 0.83 0.82 0.82 0.71 0.73

XT 0.492 0.460 0.548 0.557 0.534 0.516 0.481 0.344 0.328

CV 0.028(1) 2.64 9.60 19.1 31.4 46.1 67.2 93.6 123

KV 0.024 2.28 8.30 16.5 27.2 39.9 58.1 81.0 106

FL2(2)

0.94 0.89 0.90 0.85 0.84 0.83 0.78 0.75 0.75

XT 0.386 0.490 0.585 0.628 0.597 0.559 0.474 0.409 0.366

CV .746 9.72 27.7 48.9 79.2 120 170 244 321

KV .645 8.15 24.0 42.3 68.5 104 147 211 278

Fd 3 0.51 0.65 0.75 0.82 0.87 0.92 0.95 0.98 0.99

FL 0.91 0.90 0.88 0.86 0.83 0.80 0.77 0.76 0.74

XT .664 .624 .628 .701 .608 .501 .446 .366 .302

CV 3.56 21.1 47.2 86.1 130 195 279 421 596

KV 3.08 18.3 40.8 74.5 112 169 241 364 516

Fd 4 0.51 0.65 0.75 0.82 0.87 0.92 0.95 0.98 0.99

FL 0.88 0.91 0.90 0.86 0.82 0.80 0.77 0.69 0.62

XT .697 .801 .792 .656 .612 .518 .432 .305 .221

CV 5.34 34.6 82.1 145 225 340 462 704 1100

KV 4.62 29.9 71.0 125 195 294 400 609 952

Fd 6 0.51 0.62 0.73 0.81 0.86 0.91 0.95 0.97 0.99

FL 0.93 0.93 0.91 0.89 0.84 0.80 0.78 0.71 0.58

XT .574 .828 .770 .697 .628 .518 .480 .331 .200

CV 6.99 50.9 122 225 353 518 714 1030 1820

KV 6.05 44.0 106 195 305 448 618 891 1574

Fd 8 0.51 0.62 0.73 0.81 0.86 0.91 0.95 0.97 0.99

FL 0.89 0.90 0.90 0.88 0.87 0.82 0.78 0.71 0.54

XT .526 .731 .735 .640 .597 .537 .487 .360 .176

1. This coefficient was measured at 12 degrees of rotation.2. 1- through 2-inch sizes are not available with Flat Metal Seals.



Inch 10 20 30 40 50 60 70 80 90

CV 43.5 104 252 480 727 1000 1400 2050 3000

KV 37.6 90.0 218 415 629 865 1211 1773 2595

FD 10 0.51 0.64 0.75 0.82 0.87 0.91 0.95 0.98 0.99

FL 0.85 0.89 0.88 0.86 0.84 0.80 0.75 0.64 .54

XT .219 .874 .735 .563 .501 .473 .394 .286 .189

CV 44.2 166 390 709 1090 1530 2100 2900 3980

KV 38.2 144 337 613 943 1323 1817 2509 3443

FD 12 0.51 0.65 0.75 0.82 0.87 0.92 0.95 0.98 0.99

FL 0.81 0.82 0.83 0.82 0.81 0.78 0.73 0.66 0.63

XT .366 .718 .632 .555 .518 .490 .419 .322 .245

CV 60.0 250 541 872 1230 1670 2290 3410 5610

KV 51.9 216 468 754 1064 1445 1981 2950 4853

FL14(1)

0.89 0.96 0.79 0.78 0.79 0.80 0.74 0.54 0.37

XT .999 .907 .605 .526 .563 .593 .526 .345 .198

CV 70.0 319 692 1150 1630 2380 3290 4680 8270

KV 60.6 280 599 995 1410 2059 2846 4048 7154

FD 16(1) 0.51 0.67 0.76 0.83 0.88 0.92 0.95 0.98 1.00

FL 0.89 0.96 0.79 0.78 0.79 0.80 0.74 0.54 0.37

XT .273 .731 .566 .469 .469 .452 .384 .265 .133

CV 110 459 993 1600 2260 3070 4200 6260 10,300

KV 95.2 397 859 1384 1955 2656 3633 5415 8910

FL20(1)

0.89 0.96 0.79 0.78 0.79 0.80 0.74 0.54 0.37

XT .999 .907 .605 .526 .563 .593 .526 .345 .198

1. 14- through 20-inch Design V150 valves are not available with Flat Metal seals.

Type Vee-Ball Designs V150, V200 & V300Forward Flow

Composition Seals, Flat Metal Seals, and Flow Ring ConstructionsSizes 10- through 20-Inch


>+"7+R9+# &'''()*+ G&3=./

Catalog 12



Inch 10 20 30 40 50 60 70 80 90

CV 0.0503(1) 1.01 2.53 4.68 7.60 11.3 16.5 28.0 33.1

KV .0435 .87 2.19 4.05 6.57 9.77 14.3 24.2 28.6

FL1

0.95 0.96 0.94 0.91 0.89 0.88 0.84 0.68 0.68

XT .829 .713 .687 .650 .600 .553 .473 .263 .243

CV 0.0180(1) 1.56 4.20 8.90 15.1 23.2 32.8 50.4 70.8

KV .0156 1.35 3.63 7.70 13.1 20.1 28.4 43.6 61.2

FL1-1/2

0.91 0.86 0.94 0.86 0.89 0.87 0.85 0.75 0.70

XT .591 .622 .683 .540 .549 .561 .531 .347 .265

CV 0.020(1) 2.00 6.75 14.8 25.8 40.4 59.6 83.9 122

KV .017 1.73 5.84 12.8 22.3 34.9 51.6 72.6 106

FL2

0.89 0.90 0.91 0.90 0.88 0.87 0.81 0.78 0.72

XT .749 .612 .589 .633 .624 .558 .485 .427 .314

CV .169 7.77 24.1 43.1 72.7 112 157 254 338

KV .146 6.72 20.8 37.3 62.9 96.9 136 220 292

Fd 3 0.51 0.65 0.75 0.82 0.87 0.92 0.95 0.98 0.99

FL 0.96 0.96 0.91 0.90 0.85 0.82 0.81 0.71 0.73

XT .710 .668 .597 .788 .697 .563 .501 .331 .278

CV .108 9.22 34.2 67.2 107 158 233 351 539

KV .093 7.98 29.6 58.1 92.6 137 202 304 466

Fd 4 0.51 0.65 0.75 0.82 0.87 0.92 0.95 0.98 0.99

FL 0.89 0.89 0.94 0.87 0.88 0.82 0.80 0.75 0.64

XT .941 .931 .718 .706 .677 .605 .487 .354 .233

CV .996 20.8 56.9 115 195 290 407 607 1070

KV .862 18.0 49.2 99.5 169 251 352 525 926

Fd 6 0.51 0.62 0.73 0.81 0.86 0.91 0.95 0.97 0.99

FL 0.94 0.94 0.95 0.92 0.88 0.84 0.81 0.75 0.58

XT .578 .668 .788 .727 .612 .544 .490 .372 .185

CV 1.41 29.6 94.7 197 318 481 705 1110 1750

KV 1.22 25.6 81.9 170 275 416 610 960 1514

Fd 8 0.51 0.62 0.73 0.81 0.86 0.91 0.95 0.97 0.99

FL 0.96 0.87 0.89 0.87 0.81 0.80 0.72 0.63 0.51

XT .348 .744 .693 .601 .578 .508 .406 .263 .158

1. This coefficient was measured at 12 degrees of rotation.

Type Vee-Ball$$$$ Designs V150, V200 & V300Forward Flow

HD (Heavy Duty) Metal SealsSizes 1- through 8-Inch


>+"7+R9+# &'''()*+ G&3=.2

Catalog 12Vee-Ball, Fisher, and Fisher-Rosemount are marks owned by FisherControls International, Inc. or Fisher-Rosemount Systems, Inc. All othermarks are the property of their respective owners.



Inch 10 20 30 40 50 60 70 80 90

CV 7.28 74.1 199 381 610 897 1300 1930 2950

KV 6.30 64.1 172 330 528 776 1125 1669 2552

Fd 10 0.51 0.64 0.75 0.82 0.87 0.91 0.95 0.98 0.99

FL 0.97 0.90 0.90 0.89 0.84 0.79 0.74 0.66 0.54

XT .107 .735 .664 .551 .522 .494 .413 .286 .174

CV 7.48 112 291 544 884 1300 1810 2570 4010

KV 6.47 96.9 252 471 765 1125 1566 2223 3469

Fd 12 0.51 0.65 0.75 0.82 0.87 0.92 0.95 0.98 0.99

FL 0.97 0.92 0.92 0.91 0.87 0.82 0.77 0.72 0.60

XT .080 .664 .710 .624 .548 .508 .459 .360 .228

CV 56.0 232 502 809 1140 1550 2120 3160 5200

KV 48.4 201 434 700 986 1341 1834 2733 4498

FL14

0.89 0.96 0.79 0.78 0.79 0.80 0.74 0.54 0.37

XT .999 .907 .605 .526 .563 .593 .526 .345 .198

CV 26.6 237 600 1040 1500 2040 2900 4560 7840

KV 22.5 177 449 778 1122 1526 2170 3411 5866

Fd 16 0.51 0.67 0.76 0.83 0.88 0.92 0.95 0.98 1.00

FL 0.89 0.96 0.79 0.78 0.79 0.80 0.74 0.54 0.37

XT .965 .999 .593 .462 .487 .533 .462 .278 .135

CV 105 436 942 1520 2140 2910 3990 5940 9770

KV 78.6 326 705 1137 1601 2177 2985 4444 7310

FL20

0.89 0.96 0.79 0.78 0.79 0.80 0.74 0.54 0.37

XT .999 .907 .605 .526 .563 .593 .526 .345 .198

Type Vee-Ball Designs V150, V200 & V300Forward Flow

HD (Heavy Duty) Metal SealsSizes 10- through 20-Inch


>+"7+R9+# &'''()*+ G&3=.;

Catalog 12

Valve Rotation, DegreesCoefficients

10 20 30 40 50 60 70 80 90

Metal Micro-Notch Ball with Fisher TCM Plus or Heavy Duty (HD) Metal SealCV 0.014 0.130 0.360 0.660 1.03 1.43 2.00 3.25 5.23

KV 0.012 0.112 0.311 0.571 0.89 1.24 1.73 2.81 4.52

FL 0.95 0.90 0.93 0.93 0.91 0.90 0.93 0.93 0.88

XT 0.551 0.581 0.660 0.628 0.589 0.593 0.620 0.605 0.578

Ceramic Micro-Notch Ball with Heavy Duty (HD) Metal SealCV 0.018 0.148 0.415 0.786 1.28 1.78 2.34 2.86 3.64

KV 0.016 0.128 0.359 0.680 1.11 1.54 2.02 2.47 3.15

FL 0.90 0.93 0.94 0.93 0.89 0.90 0.88 0.89 0.92

XT 0.581 0.697 0.693 0.601 0.593 0.612 0.533 0.537 0.612

Type Vee-Ball" Designs V150, V200 & V3001-Inch Micro-Notch! Ball

Metal & Ceramic Ball

!Fisher Controls International, Inc., 1998 , 1999;All Rights Reserved

Vee-Ball, Micro-Notch, Fisher, and Fisher-Rosemount are marks ownedby Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.All other marks are the property of their respective owners.

0)1 &'''()*+ G&3=.3

Catalog 12

Valve Valve Rotation, DegreesSize,

InchesCoefficient

10# 20# 30# 40# 50# 60# 70# 80# 90#

Cv 4.9 23.1 49.8 87.2 129 178 245 332 389

KV 4.2 20.0 43.1 75.4 112 154 212 287 3364

FL - - - - - - 0.91 - - - 0.79 - - - 0.73 - - - 0.71

XT 0.70 0.76 0.74 0.64 0.59 0.52 0.42 0.33 0.33

Cv - - - 36.1 77.4 131 190 266 383 544 657

KV - - - 31.2 67.0 113 164 230 331 471 5686

FL - - - 0.92 0.88 - - - 0.86 0.81 0.79 0.72 0.70

XT - - - 0.38 0.50 0.51 0.51 0.46 0.37 0.29 0.31

Cv 7.9 48.4 112 186 268 380 553 802 1060

KV 6.8 41.9 96.9 161 232 329 478 694 9178

FL 0.88 0.80 0.80 0.75 0.79 0.78 0.74 0.64 0.66

XT 0.68 0.95 0.79 0.68 0.64 0.58 0.44 0.31 0.30

Cv 13.3 84.7 181 294 452 633 894 1190 1620

KV 11.5 73.3 157 254 391 548 773 1030 140010

FL 0.89 0.87 0.83 0.79 0.77 0.77 0.75 0.69 0.66

XT 0.83 0.73 0.75 0.75 0.62 0.54 0.42 0.36 0.31

Cv 20.3 132 269 461 687 1010 1350 1920 2830

KV 17.6 114 233 399 594 874 1170 1660 245012

FL 0.87 0.80 0.83 0.78 0.79 0.71 0.73 0.69 0.63

XT 0.91 0.64 0.77 0.74 0.70 0.56 0.50 0.38 0.28

Cv - - - 229 502 769 1120 1460 2040 2670 3340

KV - - - 198 434 665 969 1260 1760 2320 291014

FL - - - 0.88 - - - 0.75 - - - 0.76 - - - 0.65 0.65

XT - - - 0.78 0.67 0.66 0.56 0.52 0.40 0.33 0.30

Cv - - - 234 600 989 1472 1923 2792 3865 5064

KV - - - 202 519 855 1270 1660 2420 3340 438016

FL - - - 0.88 - - - 0.75 - - - 0.76 - - - 0.66 0.65

XT - - - 0.86 0.66 0.58 0.49 0.47 0.35 0.26 0.20

Cv - - - 430 942 1444 2104 2742 3841 5035 6312

KV - - - 372 815 1250 1820 2370 3320 4360 546020

FL - - - 0.88 - - - 0.75 - - - 0.76 - - - 0.66 0.65

XT - - - 0.78 0.67 0.66 0.56 0.52 0.39 0.33 0.30

Type Vee-Ball Designs V150, V200 & V300Attenuator

Sizes 4- through 20-Inch


>+"7+R9+# &'''()*+ G&3=.<

Catalog 12

Forward Flow

Design V200


56789+# &'':()*+ G/==.&-G/==./


The Design V200 has flow coefficients identical to the Design V150. Refer to the V150 information.Reminder: The V200 is available in sizes 1- through 10-inch only.

Forward or Reverse Flow

Design V250


56789+# &'':()*+ G/3=.&-G/3=./


Forward or Reverse Flow Approximately EqualPercentage Characteristic



Cv - - - 6.74 19.0 39.9 68.9 114 182 335 499

KV - - - 5.83 16.4 34.5 59.6 98.6 157 290 432

FL4

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT - - - 0.66 0.77 0.76 0.71 0.59 0.47 0.26 0.17

Cv - - - 15.7 42.8 76.1 130 203 308 567 855

KV - - - 13.6 37.0 65.8 112 176 266 490 432

FL6

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT - - - 0.99 0.83 0.90 0.76 0.64 0.54 0.28 0.17

Cv 1.48 27.9 91.8 177 308 478 720 1220 2190

KV 1.28 24.1 79.4 153 266 413 623 1060 1890

FL8

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT 0.35 0.92 0.81 0.85 0.63 0.58 0.48 0.29 0.14

Cv 42.8 85.5 174 306 484 764 1150 1800 3055

KV 37.0 74.0 151 265 419 661 995 1560 2640

FL10

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT 0.33 0.59 0.75 0.72 0.68 0.57 0.43 0.29 0.15

Cv 40.6 122 267 499 812 1230 1870 3060 5800

KV 35.1 106 231 432 702 1060 1620 2650 5020

FL12

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT 0.24 0.88 0.88 0.78 0.60 0.49 0.38 0.23 0.10

Cv 68.3 203 447 813 1340 2030 3010 4630 8130

KV 59.1 176 387 703 1160 1760 2600 4000 7030

FL16

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT 0.46 0.71 0.87 0.83 0.66 0.51 0.42 0.27 0.13

Cv 132 330 726 1320 2180 3300 4880 7520 13,200

KV 114 285 628 1140 1890 2850 4220 6500 11,400

FL20

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT 0.29 0.71 0.82 0.86 0.67 0.51 0.42 0.27 0.13

Cv 183 458 1010 1830 3020 4580 6770 10,400 18,300

KV 158 396 874 1580 2610 3960 5860 9000 15,800

FL24

0.90 0.90 0.90 0.90 0.85 0.78 0.68 0.57 0.45

XT 0.29 0.71 0.82 0.86 0.67 0.51 0.42 0.27 0.13

Forward Flow

Design V260Awith Aerodome Attenuator


��


Characterized(1) Aerodome Modified EqualPercentage Characteristic

Valve Size, Minimum Ball Angle of Opening, DegreesValve Size,Inches Throttling

CV(2)

Coefficients10 20 30 40 50 60 70 80 90

Cv 4.69 56.3 125 216 320 446 632 893 1140

KV 4.06 48.7 108 187 277 386 547 772 986

8 30.5 Fd - - - 0.10 0.06 0.046 0.038 0.032 0.032 0.035 0.0398 30.5FL 0.99 0.88 0.77 0.71 0.70 0.69 0.68 0.66 0.64

XT 0.35 0.77 0.59 0.51 0.49 0.48 0.46 0.43 0.40

Cv 7.34 99.7 194 339 513 708 1000 1400 1780

KV 6.35 86.2 168 293 444 612 866 1210 1540

10 53.5 Fd - - - 0.081 0.048 0.037 0.030 0.025 0.025 0.028 0.03110 53.5FL 0.99 0.88 0.77 0.71 0.70 0.69 0.68 0.66 0.64

XT 0.35 0.77 0.59 0.51 0.49 0.48 0.46 0.43 0.40

Cv 10.6 160 297 512 755 1030 1450 2020 2560

KV 9.14 138 257 443 653 893 1250 1750 2220

12 85.3 Fd - - - 0.064 0.040 0.030 0.025 0.021 0.021 0.023 0.02612 85.3FL 0.99 0.88 0.77 0.71 0.70 0.69 0.68 0.66 0.64

XT 0.35 0.77 0.59 0.51 0.49 0.48 0.46 0.43 0.40

Cv 18.8 252 490 873 1310 1810 2560 3580 4590

KV 16.3 218 424 755 1140 1570 2210 3100 3970

16 135 Fd - - - 0.051 0.031 0.023 0.019 0.016 0.016 0.018 0.02016 135FL 0.94 0.85 0.74 0.71 0.70 0.68 0.66 0.63 0.61

XT 0.83 0.50 0.47 0.42 0.42 0.39 0.33 0.30 0.26

Cv 29.0 352 782 1351 2000 2790 3950 5590 7130

KV 25.1 304 676 1170 1730 2410 3420 4830 6170

20 191 Fd - - - 0.041 0.026 0.019 0.016 0.014 0.014 0.015 0.01620 191FL 0.99 0.87 0.76 0.71 0.70 0.69 0.67 0.65 0.63

XT 0.35 0.77 0.59 0.51 0.49 0.48 0.46 0.43 0.401. Window starts at about 60 degrees.2. Valves should not be required to throttle at a Cv less than the specified minimum Cv.

High Density Aerodome Modified Equal PercentageCharacteristic


CV(1)

Coefficients10 20 30 40 50 60 70 80 90

Cv 8.43 38.0 113 196 298 441 608 745 809

KV 7.29 32.9 97.7 170 258 381 526 644 700

8 23.2 Fd - - - 0.10 0.060 0.046 0.038 0.032 0.028 0.026 0.0248 23.2FL 0.97 0.86 0.75 0.71 0.70 0.69 0.67 0.66 0.66

XT 0.32 0.51 0.58 0.49 0.39 0.38 0.38 0.33 0.31

Cv 13.2 67.3 176 307 478 699 955 1170 1280

KV 11.4 58.2 152 266 413 605 826 1010 1110

10 40.3 Fd - - - 0.081 0.048 0.037 0.030 0.025 0.023 0.021 0.01910 40.3FL 0.97 0.86 0.75 0.71 0.70 0.69 0.67 0.66 0.66

XT 0.32 0.51 0.58 0.49 0.39 0.38 0.38 0.33 0.31

Cv 19 108 270 464 703 1020 1390 1690 1850

KV 16.4 93.4 234 401 608 882 1200 1460 1600

12 63.5 Fd - - - 0.064 0.040 0.030 0.025 0.021 0.019 0.017 0.01612 63.5FL 0.97 0.86 0.75 0.71 0.70 0.69 0.67 0.66 0.66

XT 0.32 0.51 0.58 0.49 0.39 0.38 0.38 0.33 0.31

Cv 33.8 170 445 792 1220 1790 2460 3000 3310

KV 29.2 147 385 685 1060 1550 2130 2600 2860

16 102 Fd - - - 0.051 0.031 0.023 0.019 0.016 0.014 0.013 0.01216 102FL 0.94 0.85 0.73 0.71 0.69 0.68 0.66 0.64 0.63

XT 0.87 0.59 0.50 0.44 0.38 0.35 0.30 0.27 0.27

Cv 87.0 433 894 1470 2270 3110 4110 5140 5550

KV 75.3 375 773 1270 1960 2690 3550 4440 4800

20 260 Fd - - - 0.013 0.0092 0.0070 0.0057 0.0050 0.0045 0.0041 0.003820 260FL 0.96 0.85 0.73 0.71 0.70 0.68 0.67 0.66 0.65

XT 0.32 0.51 0.58 0.49 0.39 0.38 0.38 0.33 0.311. Valves should not be required to throttle at a Cv less than the minimum throttling Cv.

Design V260Awith Aerodome Attenuator

Forward Flow


��

Catalog 12

Characterized(1) Hydrodome Modified EqualPercentage Characteristic


CV(2)

Coefficients10 20 30 40 50 60 70 80 90

Cv 13.6 79.6 160 265 408 585 797 1150 1380

8 46.6 KV 11.8 68.9 138 229 353 506 689 995 11908 46.6FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 21.1 123 248 411 632 907 1240 1780 2140

10 72.1 KV 18.2 107 215 355 547 784 1070 1540 185010 72.1FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 30.7 179 361 597 920 1320 1800 2590 3110

12 105 KV 26.5 155 312 517 796 1140 1550 2240 269012 105FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 55.1 322 648 1070 1650 2370 3230 4660 5590

16 189 KV 47.6 279 560 928 1430 2050 2790 4030 483016 189FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 85.1 498 1000 1660 2550 3660 4990 7190 8630

20 292 KV 73.6 431 866 1430 2210 3170 4310 6220 747020 292FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

1. Window starts at about 60 degrees.2. Valves should not be required to throttle at a Cv less than the minimum throttling Cv.

High Density Hydrodome Modified EqualPercentage Characteristic


CV(1)

Coefficients10 20 30 40 50 60 70 80 90

Cv 13.3 79.9 162 268 415 593 801 1020 1060

8 46.6 KV 11.5 69.1 140 232 359 513 693 882 9178 46.6FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 20.5 123 250 413 640 914 1230 1570 1630

10 71.8 KV 17.7 106 216 357 554 791 1060 1360 141010 71.8FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 30.2 181 367 608 941 1350 1820 2310 2400

12 106 KV 26.1 157 317 526 814 1170 1570 2000 208012 106FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 53.0 318 645 1070 1650 2360 3190 4060 4210

16 186 KV 45.8 275 558 926 1430 2040 2760 3510 364016 186FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

Cv 83.2 500 1010 1680 2600 3710 5010 6380 6620

20 292 KV 72.0 432 877 1450 2250 3210 4330 5520 573020 292FL 0.84 0.90 0.82 0.77 0.72 0.68 0.66 0.66 0.62

1. Valves should not be required to throttle at a Cv less than the minimum throttling Cv.

Design V260Bwith Hydrodome Attenuator

Forward Flow


��


Gas or Liquid Flow Modified EqualPercentage Characteristic


CV(1)

Coefficients10 20 30 40 50 60 70 80 90

Cv 47.3 126 236 382 604 972 1600 3000 4960

KV 40.9 109 204 330 522 841 1380 2600 4290

8 86.7 FL 0.79 0.87 0.91 0.91 0.85 0.81 0.73 0.63 0.638 86.7Fd 0.37 0.64 0.78 0.88 0.94 0.97 0.98 0.99 1.00

XT 0.44 0.64 0.77 0.77 0.67 0.51 0.38 0.20 0.13

Cv 74.1 197 369 598 946 1520 2510 4700 7770

KV 64.1 171 320 517 818 1320 2170 4060 6720

10 136 FL 0.79 0.87 0.91 0.91 0.85 0.81 0.73 0.63 0.6310 136Fd 0.37 0.64 0.78 0.87 0.94 0.97 0.99 0.99 1.00

XT 0.44 0.64 0.77 0.77 0.67 0.51 0.38 0.20 0.13

Cv 107 284 532 861 1360 2190 3610 6760 11,200

KV 92.2 246 460 745 1180 1890 3120 5850 9670

12 196 FL 0.79 0.87 0.91 0.91 0.85 0.81 0.73 0.63 0.6312 196Fd 0.39 0.67 0.79 0.87 0.93 0.97 0.99 1.00 1.00

XT 0.44 0.64 0.77 0.77 0.67 0.51 0.38 0.20 0.13

Cv 189 505 945 1530 2420 3890 6410 12,000 19,900

KV 164 437 818 1320 2090 3370 5540 10,400 17,200

16 347 Fd 0.38 0.64 0.79 0.87 0.93 0.97 0.99 0.99 1.0016 347FL 0.79 0.87 0.91 0.91 0.85 0.81 0.73 0.63 0.63

XT 0.44 0.64 0.77 0.77 0.67 0.51 0.38 0.20 0.13

Cv 296 788 1480 2390 3780 6080 10,000 18,800 31,000

KV 256 681 1280 2070 3270 5260 8660 16,200 26,800

20 542 Fd 0.42 0.66 0.79 0.87 0.93 0.97 0.99 1.00 1.0020 542FL 0.79 0.87 0.91 0.91 0.85 0.81 0.73 0.63 0.63

XT 0.44 0.63 0.76 0.76 0.66 0.50 0.38 0.20 0.131. Valves should not be required to throttle at a Cv less than the minimum throttling Cv.

Design V260Cwithout Attenuator

Forward Flow


��

Catalog 12

Forward Flow

Design V300


56789+# &'':()*+ G2==.&-G2==./


The Design V300 has flow coefficients identical to the Design V150. Refer to the V150 information.Reminder: The V300 is available in sizes 1- through 16-inch only.Reminder: The V300 14- and 16-inch sizes are not available with Flat Metal seals.

\(B(7 =< L ,)0 K R.#D9 8"77 -5./

!"#$%& @-00H2:I*:V H)2I

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==0(


(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] =2LL L2?> P2MP I2JK >2>H ==2K ==2? =L2M =L2L

`] =2MJ L2PM H2KI J2JM ?2JM >2II =M2L =M2H =M2J

80 = M2H> M2JH M2IK M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2?> M2?> M2?? M2?P M2?P M2?P M2?P M2?P M2?P

QR M2H?M M2H>I M2PM? M2PH? M2P>I M2JKL M2JKJ M2J=L M2P>K

+] L2MI J2=P ==2P =J2J LM2I LK2P LP2K LJ2= LJ2J

`] =2I> P2KL >2>P =H2H =I2> LM2K L=2> LL2J LK2M

80 =C=OL M2H? M2JK M2IK M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2>P M2?P M2?P M2?H M2?H M2?H M2?H M2?H M2?H

QR M2IIM M2HIJ M2H?K M2PPP M2J=J M2JKJ M2JKL M2JM= M2P?>

+] H2== ?2IK =J2I LI2M KI2L HK2H HP2? HJ2L HJ2L

`] K2PJ I2PP =H2H LK2H KL2L KI2P K>2J HM2M HM2M

80 L M2H> M2JK M2IK M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2>I M2>L M2?H M2I> M2II M2IP M2IP M2IH M2IH

QR M2HK> M2HHL M2HHL M2HLL M2HLL M2HJL M2HPL M2HHL M2HHL

+] ?2?M LL2I HK2K I=2K >J2? ==J =KM =K? =HL

`] I2J= =>2J KI2P J=2I ?K2I =MM ==L ==> =LK

80 K M2HJ M2JL M2IK M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2?J M2?H M2?K M2?K M2?K M2?L M2I? M2II M2II

QR M2HJ> M2PHH M2PIH M2PLJ M2H>I M2PLJ M2PM? M2HIJ M2HPJ

+] =J2J H=2K I>2= =LK =JJ LMK LKM LHI LPP

`] =H2K KP2I J?2H =MJ =HH =IJ =>> L=H LL=

80 H M2HP M2J= M2IL M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2?P M2?L M2?= M2?= M2?M M2I> M2II M2IJ M2IJ

QR M2HK> M2PPP M2PM= M2HJJ M2HIK M2H>M M2H?M M2HP> M2HHL

+] =I2P I>2= =PP LIM KJK HKH H>L PHM PJP

`] =P2= J?2H =KH LKH K=H KIP HLJ HJI H?>

80 J M2HH M2JM M2IL M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2>I M2>K M2?? M2?L M2IJ M2IK M2IL M2I= M2I=

QR M2?I> M2P?P M2PHM M2HPJ M2HK> M2HKL M2HKJ M2HLJ M2H=J

+] P=2P =HJ L>? H?= JHJ IIP ?I> >?= =MPM

`] HH2P =LJ LP? H=J PP> JIM IJM ?H> >M?

80 ? M2HK M2P> M2IL M2?M M2?I M2>L M2>J M2>> =2MM

8\ M2>I M2>K M2?I M2I? M2IL M2I= M2IM M2J> M2JI

QR M2HPJ M2JMP M2PKK M2HH> M2H=K M2HMK M2K>= M2KIL M2KJM

(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] =2M? L2?L P2LJ >2== =L2H =H2I =P2> =J2H =J2?

`] M2>K L2HH H2PP I2?? =M2I =L2I =K2? =H2L =H2P


8\ M2?M M2I> M2IK M2JK M2P? M2PP M2PJ M2P= M2H?

QR M2=IL M2L?H M2HMJ M2KPI M2KHP M2KLL M2KMM M2L?> M2L?K

+] =2I= P2KK ==2K =?2H LH2I L?2J KM2= KM2I K=2M

`] =2H? H2J= >2II =P2> L=2H LH2I LJ2M LJ2J LJ2?


8\ M2IP M2IH M2IM M2JJ M2JH M2JK M2JK M2JK M2JK

QR M2KPI M2HHL M2HKL M2K>I M2KJ> M2KJM M2KJM M2KPI M2KPI

+] L2>? I2HM =P2J LI2J H=2> PL2> PJ2H PI2L PI2H

`] L2P? J2HM =K2P LK2> KJ2L HP2? H?2? H>2P H>2I


8\ M2>L M2?> M2?= M2JI M2JM M2P? M2P? M2P? M2P?

QR M2H?M M2HIJ M2HJL M2K?H M2KM? M2LJP M2LJP M2LJP M2LJP

+] I2=> L=2H HI2M IP2H =MP =LL =KL =KH =H=

`] J2LL =?2P HM2I JP2L >M2? =MJ ==H ==J =LL


8\ M2?M M2?M M2II M2I= M2JJ M2JP M2JP M2JP M2JP

QR M2KPI M2HIJ M2H?I M2HKJ M2KIL M2KI? M2K?H M2KIJ M2KPI

+] =L2L K>2M I>2> =LH =I= LML LLL LKL LKP

`] =M2J KK2I J>2= =MI =H? =IP =>L LM= LMK


8\ M2>M M2?> M2?= M2IK M2I= M2IM M2J> M2J> M2J>

QR M2PLL M2PHH M2H?I M2HPJ M2HMJ M2HMJ M2H=J M2HLK M2H=J

+] =P2= IL2H =PJ LP= KP= HK? PKH JK? I=I

`] =K2= JL2J =KP L=I KMH KI> HJL PPL JLM


8\ M2?P M2?P M2?L M2II M2IM M2JJ M2J= M2PI M2P=

QR M2H=J M2P>I M2P=? M2PLL M2HPL M2K?? M2KKJ M2LIM M2L=>

+] KK2P =HK KML H?P JJK I>? ?I= ?>I >?J

`] L>2M =LH LJ= HLM PIK J>M IPK IIJ ?PK


8\ M2?= M2?= M2I> M2IJ M2J? M2JJ M2JJ M2JJ M2JJ

QR M2J>I M2P>K M2H?K M2H=M M2KPH M2KHL M2KJJ M2HMK M2KJK

!"#$%& @-00U"A":#" H)2I

\(B(7 =< L< ,)0 K R.#D9 8"77 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==01

(*1*)2% +,

(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] M2III L2M> K2ML K2JL H2PK H2>M H2>K H2>J P2M=

`] M2JIL =2?= L2J= K2=K K2>L H2LH H2LJ H2L> H2KK

80X=Y = M2PH M2JJ M2IP M2?L M2?? M2>L M2>J M2>> =2MM

8\ M2?> M2?> M2?? M2?P M2?L M2I> M2IP M2IH M2IH

QR M2H?I M2K>= M2H>I M2P>I M2PM? M2HK> M2HKJ M2HL> M2H=>

+] M2JKL L2PJ H2HI I2=P >2JL =M2I =M2? =M2> =M2>

`] 2PHI L2L= K2?I J2=? ?2KL >2LJ >2KH >2HK >2HK

80X=Y =C=OL M2PK M2JJ M2IP M2?L M2?? M2>L M2>J M2>> =2MM

8\ M2?H M2?H M2?H M2?L M2I> M2IP M2IK M2IK M2IK

QR M2PP> M2K>I M2PLL M2PIH M2P?P M2PM? M2H>I M2H>M M2H>M

+] =2KM K2H> P2K= >2JH =P2= =I2K =I2K =I2K =I2K

`] =2=L K2ML H2P> ?2KH =K2= =P2M =P2M =P2M =P2M

80X=Y L M2PH M2JJ M2IP M2?L M2?? M2>L M2>J M2>> =2MM

8\ M2?P M2?P M2?H M2?H M2?L M2I> M2I> M2I> M2I>

QR M2K>= M2KKJ M2HPL M2PJK M2PL> M2HJL M2HJL M2HJL M2HJL

+] J2I? ==2P =J2M LJ2I HM2L HI2I H?2H H?2H H?2H

`] P2?J >2>P =K2? LK2= KH2? H=2K H=2> H=2> H=2>

80X=Y K M2PK M2JJ M2IP M2?L M2?? M2>L M2>J M2>> =2MM

8\ M2>M M2?? M2?I M2?J M2?P M2?L M2II M2II M2II

QR M2H?I M2PM= M2H?I M2HL> M2HP> M2HL> M2HL> M2HL> M2HL>

+] =M2M =?2L LH2H HK2I J>2L >M2J >?2L >?2L >?2L

`] ?2JP =P2I L=2= KI2? P>2> I?2H ?H2> ?H2> ?H2>

80X=Y H M2PL M2JP M2IH M2?L M2?? M2>L M2>J M2>> =2MM

8\ M2>P M2?> M2?P M2?H M2?H M2?= M2II M2II M2II

QR M2HLJ M2HP> M2PIM M2PMH M2H?I M2HJL M2HLJ M2HLJ M2HLJ

+] >2PM LJ2J H=2? IJ2M =L> =IM LMM LMM LMM

`] ?2LL LK2M KJ2L JP2I ==L =HI =IK =IK =IK

80X=Y J M2PL M2JP M2IH M2?L M2?? M2>L M2>J M2>> =2MM

8\ M2>I M2>J M2>L M2?J M2?M M2IJ M2IH M2IH M2IH

QR M2>>P M2KP= M2HMK M2H?I M2H=J M2HJL M2H=M M2H=M M2H=M

+] K>2> ?I2? =PP LH= KHK HH? PH= JMJ JLK

`] KH2P IP2> =KH LM? L>I K?? HJ? PLH PK>

80XLY ? M2H? M2JK M2IK M2?= M2?I M2>L M2>J M2>> =2MM

8\ M2>J M2?= M2?M M2I> M2I? M2IJ M2IH M2IL M2IM

QR M2HMM M2HHJ M2HP> M2HH> M2HL> M2H=K M2H=K M2H=K M2K>=

=2 ^(,9".(0 ,/ JMZ -5./2L2 ^(,9".(0 ,/ HMZ -5./2

!"#$%& @-00H2:I*:V H)2I

\(B(7 =< L< ,)0 K R.#D9 A(0"$(0 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==02


(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] 2JKH L2M> K2KH K2>J P2L= P2JH P2IM P2I= P2IJ

`] 2PH? =2?= L2?> K2HK H2P= H2?? H2>K H2>H H2>?


8\ M2IM M2IM M2IM M2IM M2IM M2IM M2IM M2IM M2IM

QR M2LKM M2L=J M2LMI M2HMJ M2KJJ M2KH? M2KK> M2KHP M2KHL

+] 2HJH =2>K H2L= I2?= ==2M =L2= =L2= =L2L =L2L

`] 2HM= =2JI K2JH J2IJ >2PL =M2P =M2P =M2J =M2J


8\ M2>K M2>K M2IP M2IL M2IM M2IM M2IM M2IM M2IM

QR M2>IM M2H=J M2PM= M2HJI M2H=J M2H=J M2H=J M2H=K M2H=J

+] 2>JP L2J? H2?L =L2M =I2I =?2I =?2? =?2> =?2>

`] 2?KP L2K= H2=I =M2H =P2K =J2L =J2K =J2K =J2K


8\ M2>J M2>J M2II M2JI M2JL M2JL M2JL M2JL M2JL

QR M2P=? M2PM? M2PP> M2KPH M2KP= M2KJM M2KPI M2KPH M2KPH

+] P2>P =M2J =H2I L>2> H>2M PJ2M PJ2L PJ2L PJ2I

`] P2=P >2=I =L2I LP2> HL2H H?2H H?2J H?2J H>2M


8\ M2?M M2I> M2IK M2JH M2P> M2P? M2P? M2P? M2P?

QR M2HL> M2HPP M2H?I M2KHP M2L?J M2L?J M2L?J M2L?J M2L?=

+] I2J> =P2K LL2I HL2J IP2M >?2M >>2P =MM =ML

`] J2JP =K2L =>2J KJ2? JH2> ?H2? ?J2= ?J2P ??2L


8\ M2?K M2?L M2?= M2II M2JM M2P> M2P? M2P? M2P?

QR M2PMH M2PH? M2PPP M2PL> M2KIP M2KLL M2KKJ M2KKH M2K=>

+] P2=M LM2J KH2J I=2> =LK =IM LKM LK= LKL

`] H2H= =I2? L>2> JL2L =MJ =HI =>> LMM LM=


8\ M2>I M2>P M2>M M2?L M2IK M2JP M2PI M2PP M2PP

QR M2>>M M2PP= M2PJJ M2PKK M2HKL M2K>I M2LJK M2LJM M2LP?

+] LI2= IH2K =HM LKL KHL HPI PPL J=H JHJ

`] LK2H JH2K =L= LM= L>J K>P HII PK= PP>


8\ M2>L M2>= M2?? M2IJ M2J> M2JJ M2JL M2JM M2P?

QR M2JKJ M2H>H M2H>H M2H>M M2HHL M2K?? M2KJ> M2KK> M2K==

=2 ^(,9".(0 ,/ JMZ -5./2L2 ^(,9".(0 ,/ HMZ -5./2

!"#$%& @-00U"A":#" H)2I

\(B(7 =< L< ,)0 K R.#D9 A(0"$(0 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==03

(*1*)2% +,

(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] 2KM =2>= H2J? I2K >2=I =M2K ==2M ==2P ==2J

`] 2LJM =2JP H2MP J2K= I2>K ?2>= >2PL >2>P =M2M


8\ C C C M2>? M2?I M2?I M2?P M2?J M2?P M2?J M2?H

QR M2JJ? M2PIH M2PL> M2PJJ M2J=J M2JJ? M2J?P M2JL? M2J=J

+] =2HJ K2I> ?2=K =K2H =I2> LM2I LL2H LH2M LP2M

`] =2LJ K2L? I2MK ==2J =P2P =I2> =>2H LM2? L=2J


8\ M2?J M2?J M2?L M2?H M2?M M2?M M2I> M2I> M2I>

QR M2PJJ M2JMP M2PP M2PHH M2PP= M2PIH M2P?> M2P?P M2P>I

+] =2IJ J2M =K2? LL2J L>2P KP2L K?2H K?2H K?2H

`] =2PL P2=> ==2> =>2P LP2P KM2H KK2L KK2L KK2L


8\ M2>P M2>J M2>H M2?K M2?= M2?M M2II M2II M2I?

QR M2?=> M2PPP M2PM= M2H?M M2PKK M2PJJ M2PIM M2P?P M2P?P

+] I2J LK2L HH2M JL2J ?L2P =ML ==P ==> =LH

`] J2PI LM2= K?2= PH2= I=2H ??2L >>2P =MK =MI


8\ M2?? M2?I M2?P M2?H M2?K M2?L M2?M M2?M M2?M

QR M2PI? M2H>H M2P== M2PHM M2PL> M2P=P M2P=? M2PKK M2PLJ

+] >2K= KI2M IK2P === =HH =I= =>L LM? LL=

`] ?2MP KL2M JK2J >J2M =LP =H? =JJ =?M =>=


8\ M2>H M2>M M2?P M2?H M2?L M2?M M2II M2II M2II

QR M2PLJ M2HIJ M2HH> M2HPL M2H?M M2PMH M2P== M2PM= M2H?I

+] >2I= JH2K =H= LLL L>> KJ? HLJ HJ> H>>

`] ?2HM PP2J =LL =>L LP> K=? KJ? HMJ HKL


8\ M2>P M2?? M2?L M2?M M2I? M2I? M2II M2II M2IJ

QR M2PMH M2HP> M2HKL M2HLL M2HL> M2HKJ M2HKL M2HLL M2H=K

+] KH2J =HL L>M HHI P>L I=J ?LL >== >P?

`] L>2> =LK LP= K?I P=L J=> I== I?? ?L>


8\ M2>L M2IJ M2I? M2I> M2II M2IJ M2IK M2I= M2IK

QR M2PHH M2HHJ M2HLJ M2HL> M2HL> M2HJ M2H=> M2H=M M2HL>

!"#$%& @-00H2:I*:V H)2I

\(B(7 H R.#D 8"77 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==07


(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] 2=MI =2?P P2M> ?2? ==2> =K2J =H2M =H2M =P2K

`] 2M>K =2JM H2HM I2J= =M2K ==2? =L2= =L2= =K2L


8\ C C C M2?? M2JP M2JM M2PH M2PH M2JM M2JL M2J=

QR M2KKH M2PLJ M2HLJ M2KJM M2KKH M2KHP M2KIL M2K?H M2KKH

+] 2>?? K2KI I2JJ =K2P =>2K LK2P LP2K LP2K LJ2=

`] 2?PH L2>L J2JK ==2I =J2I LM2K L=2> L=2> LL2J


8\ M2>? M2>L M2IP M2IK M2JL M2P? M2P> M2J= M2J=

QR M2HIK M2P?P M2PJK M2H?I M2HKL M2HMK M2HMM M2HLJ M2HL>

+] =2HL H2>L ==2? LM2> L>2? KJ2I HM2> HL2I HK2M

`] =2LK H2LJ =M2L =?2= LP2? K=2I KP2H KJ2> KI2L


8\ M2>I M2>K M2?J M2II M2IL M2JL M2JH M2JK M2JJ

QR M2HMK M2I=? M2J=J M2P=? M2HIK M2HPL M2HPL M2HHJ M2HK>

+] I2JH LM2J H=2K JL2H ?M2P >H2? =MP =M> ===

`] J2J= =I2? KH2> PH2M J>2J ?L2M >M2? >H2K >J2M


8\ M2>K M2>= M2?> M2?= M2IK M2IL M2I= M2IH M2IJ

QR M2J=J M2JPJ M2PKI M2H>I M2PM= M2PM? M2PMH M2P=P M2P==

+] ?2MI K=2K JI2= =ML =L> =PK =IH =?> =>L

`] J2>? LI2= P?2M ??2L ==L =KL =P= =JK =JJ


8\ M2?J M2?P M2?H M2?M M2IP M2IP M2IP M2IP M2IH

QR M2HPJ M2JJH M2PKK M2H>M M2P=P M2PLJ M2PLL M2PMH M2P=P

+] =M2P P?2J =KH L=? L>H KPJ HMJ HHP HJ=

`] >2M? PM2I ==J =?> LPH KM? KP= K?P K>>


8\ M2?M M2IJ M2IL M2IM M2J? M2J> M2J> M2J> M2J>

QR M2P== M2PP= M2HP> M2HMJ M2K>= M2K>I M2H=M M2H=J M2HL>

+] LP2H =KJ LJJ H=K PPH J?J ?=? ?>P ?>I

`] LL2M ==? LKM KPI HI> P>K IM? IIH IIJ


8\ M2IP M2II M2IP M2IL M2IK M2J> M2IM M2IM M2IL

QR M2IK= M2HK> M2H?K M2HJ> M2HK> M2K>I M2KJM M2KIP M2HLJ

!"#$%& @-00U"A":#" H)2I

\(B(7 H R.#D 8"77 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==08

(*1*)2% +,

(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] L2=H K2IM H2JP P2LP P2PM P2PI P2JJ P2JJ P2JJ

`] =2?H K2=? H2MM H2PL H2IK H2I> H2?I H2?I H2?I


8\ M2JH M2IP M2IP M2I> M2IP M2IH M2IK M2IK M2IK

QR M2L?J M2K?? M2HJH M2H?K M2HI= M2HP> M2HHH M2HHH M2HHH

+] L2=M H2PP J2=J ?2MM =M2H ==2K ==2K ==2K ==2K

`] =2?= K2>= P2KM J2?? ?2>H >2IL >2IL >2IL >2IL


8\ M2?L M2I> #M2I> M2I> M2I> M2IL M2IL M2IL M2IL

QR M2HJ> M2K>I M2HPH M2PMM M2PML M2H?L M2H?L M2H?L M2H?L

+] L2IP P2=P J2IM >2JP =K2I =J2? =?2? =?2? =I2>

`] L2KI H2HK P2IJ ?2KM ==2? =H2P =J2L =J2L =P2H


8\ M2IP M2IJ M2?K #M2?J M2?I M2?P M2II M2II M2?=

QR M2HJI M2HH? M2P=> M2JLH M2J=L M2PHK M2HHH M2HK> M2H?H

+] H2=L >2PM =K2= =>2? L>2J K>2M HP2K H?2M H?2M

`] K2PJ ?2LL ==2K =I2= LP2J KK2I K>2L H=2P H=2P


8\ M2?M M2?M M2?? M2?J M2?H M2?L M2?= M2I> M2II

QR M2HJ> M2PP= M2JMP M2PLL M2P=? M2PP= M2P=P M2HJJ M2HJJ

+] L2LJ ==2L LM2= KK2K PM2? J>2= ?K2M ?>2K >M2=

`] =2>P >2J> =I2H L?2? HK2> P>2? I=2? II2L II2>


8\ M2>J M2>P M2?P M2?J M2?J M2?K M2?M M2II M2IH

QR M2II> M2II> M2JKL M2JLM M2J=L M2P?> M2PKI M2HJJ M2HPL

+] =K2J KI2> H>2? ?L2> =LL =P> =?H =>H =>J

`] ==2? KL2? HK2= I=2I =MJ =K? =P> =J? =IM


8\ M2>I M2J> M2IL M2IH M2II M2?= M2?= M2II M2II

QR M2P=? M2L?M M2K?= M2KPI M2K>I M2HPL M2HIJ M2HPL M2HHL

+] =>2I JK2J =KH LL? KKH HK? PLJ P?I JMP

`] =I2M PP2M ==J =>I L?> KI> HPP PM? PLK


8\ M2>K M2?K M2IJ M2II M2II M2II M2IP M2IP M2IL

QR M2P>I M2HIK M2HLL M2K>H M2KI? M2K?= M2HMM M2HL> M2HKJ

=2 ^(,9".(0 ,/ JMZ -5./2L2 ^(,9".(0 ,/ HMZ -5./2

!"#$%& @-00H2:I*:V H)2I

\(B(7 H R.#D A(0"$(0 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==09


(2"??$5$"&1#@*)A"B$C"D

@*)A" U21*1$2&D !"%:""# <2V$?$"V R$&"*:(9*:*51":$#1$5(2"??$5$"&1# B$C"D

L&59 +0 ,0 N0 K0 -0 /0 O0 P0 Q0

+] =2>M K2?M H2?P P2?L P2>M P2>M P2>M P2>M P2>M

`] =2JK K2LI H2=I P2M= P2MI P2MI P2MI P2MI P2MI


8\ M2PJ M2JI M2J? M2J> M2IK M2IP M2IP M2IP M2IP

QR M2K=L M2K?J M2HLI M2HM> M2HH? M2HH? M2HH? M2HH? M2HH?

+] =2>P H2HP P2IP I2IP ==2H ==2? ==2? ==2? ==2?

`] =2J? K2?K H2>P J2JI >2?M =M2L =M2L =M2L =M2L


8\ M2?K M2II M2I? M2IJ M2J? M2IL M2IK M2IK M2IK

QR M2K>P M2H=P M2PLI M2P=> M2HL= M2HP> M2HP> M2HP> M2HP>

+] L2IM H2JP J2KM ==2= =?2K =>2? LM2L LM2H L=2M

`] L2KL H2MM P2HL >2PP =P2I =I2M =I2H =I2P =?2=


8\ M2>= M2?> M2?H M2I= M2P? M2J= M2JL M2JL M2JM

QR M2HP> M2HJH M2P>H M2HPK M2KMI M2KP? M2KJJ M2KKI M2KL?

+] H2H= >2JM =K2I =>2P KI2K PK2K PJ2I PI2> PI2>

`] K2?= ?2KM ==2> =J2> KL2K HJ2= H>2M PM2= PM2=


8\ M2>J M2>K M2>K M2?I M2IK M2JH M2JL M2JL M2JK

QR M2HJ> M2PI? M2PI? M2PKI M2K=> M2LP? M2LJP M2LJ? M2LJ?

+] >2I? ==2= =>2H KL2= H>2I JI2? ?M2P ?H2J ?J2J

`] ?2HJ >2JM =J2? LI2? HK2M P?2J J>2J IK2L IH2>


8\ M2>K M2>K M2?> M2?H M2I> M2IL M2JH M2JP M2JP

QR M2JLM M2JLM M2P>K M2JMP M2PIM M2PLL M2HIJ M2HP> M2HKJ

+] =M2J KM2M HK2H II2= =LL =J? =>? LLK LLJ

`] >2=I LJ2M KI2P JJ2I =MJ =HP =I= =>K =>P


8\ M2II M2I> M2II M2IP M2J> M2JH M2JK M2P? M2P?

QR M2JHM M2KJ> M2HIJ M2H=M M2K?= M2KPI M2KKJ M2L?H M2LI?

+] =>2? PP2? =LP LLL KLK H=K H?? PH> PJ>

`] =I2= H?2K =M? =>L LI> KPI HLL HIP H>L


8\ M2IP M2II M2I? M2IP M2IM M2J? M2IM M2J? M2IM

QR M2HP> M2P?= M2HJL M2K>H M2KIP M2K?= M2K>= M2K>= M2K>=

=2 ^(,9".(0 ,/ JMZ -5./2L2 ^(,9".(0 ,/ HMZ -5./2

!"#$%& @-00U"A":#" H)2I

\(B(7 H R.#D A(0"$(0 -5./

-.#)/(0 #) 123242 5) .($6$7(0 ','(.2!8#9:(. +5)/.579 ;)/(.),/#5),7< ;)$2< =>??< =>>>@477 A#*:/9 A(9(.B(0

?5-5@# ()))+,-& A7==0*

(*1*)2% +,

Converging Flow

Design YD


56789+# &'':()*+ S?.&


Converging Flow LinearCharacteristic

Port MaximumValve

PortDiameter

MaximumTravel Flow

Valve Opening—Percent of Total TravelValveSize,

Inches Inches mm Inches mm

FlowPath(1)

FlowCoeffi-cient

0(PlugDown)

10 20 30 40 50 60 70 80 90100

(PlugUp)

FL(2)

Cv 8.37 7.10 6.68 5.94 4.97 4.03 3.10 2.15 1.49 1.30 0 0.81

Kv 7.24 6.14 5.78 5.14 4.30 3.49 2.68 1.86 1.29 1.12 0.00 - - -

XT 0.562 0.452 0.432 0.442 0.456 0.473 0.494 0.504 0.529 0.574 - - - - - -1/2 1-5/16 33.3 3/4 19

Cv 0 2.45 3.36 4.32 5.15 5.96 6.93 7.74 8.00 8.10 9.00 0.79

Kv 0.00 2.12 2.91 3.74 4.45 5.16 5.99 6.70 6.92 7.01 7.79 - - -

XT - - - 0.522 0.476 0.452 0.449 0.456 0.446 0.442 0.473 0.487 0.494 - - -

Cv 12.3 10.7 10.1 8.94 7.42 5.83 4.24 2.77 1.85 1.59 0 0.77

Kv 10.6 9.26 8.74 7.73 6.42 5.04 3.67 2.40 1.60 1.38 0.00 - - -

XT 0.494 0.466 0.446 0.442 0.446 0.452 0.469 0.490 0.551 0.616 - - - - - -3/4 1-5/16 33.3 3/4 19

Cv 0 2.93 4.19 5.57 7.11 8.68 9.91 10.6 11.2 11.4 12.5 0.76

Kv 0.00 2.53 3.62 4.82 6.15 7.51 8.57 9.17 9.69 9.86 10.8 - - -

XT - - - 0.466 0.432 0.429 0.422 0.413 0.429 0.466 0.459 0.459 0.483 - - -

Cv 19.4 17.1 15.3 12.6 9.70 6.82 4.34 2.48 1.46 1.14 0 0.91

Kv 16.8 14.8 13.2 10.9 8.39 5.90 3.75 2.15 1.26 0.99 0.00 - - -

XT 0.655 0.656 0.681 0.714 0.745 0.768 0.717 0.682 0.751 0.848 - - - - - -1 1-5/16 33.3 3/4 19

Cv 0 3.08 4.58 6.62 9.20 12.0 15.0 17.1 18.0 18.7 19.4 0.96

Kv 0.00 2.66 3.96 5.73 7.96 10.4 13.0 14.8 15.6 16.2 16.8 - - -

R to B XT - - - 0.572 0.609 0.623 0.627 0.614 0.629 0.642 0.681 0.687 0.717 - - -R to BL to B Cv 22.2 19.7 17.6 14.5 11.1 7.82 5.97 2.85 1.68 1.30 0 0.87

Kv 19.2 17.0 15.2 12.5 9.60 6.76 5.16 2.47 1.45 1.12 0.00 - - -

XT 0.552 0.545 0.566 0.621 0.629 0.644 0.590 0.569 0.624 0.719 - - - - - -1-1/2 1-5/16 33.3 3/4 19

Cv 0 3.54 5.28 7.61 10.6 13.8 17.2 19.6 20.7 21.5 22.3 0.94

Kv 0.00 3.06 4.57 6.58 9.17 11.9 14.9 17.0 17.9 18.6 19.3 - - -

XT - - - 0.479 0.504 0.522 0.521 0.507 0.528 0.538 0.568 0.574 0.598 - - -

Cv 74.2 69.8 64.6 57.3 46.7 35.3 24.8 15.8 9.03 5.05 0 0.81

Kv 64.2 60.4 55.9 49.6 40.4 30.5 21.5 13.7 7.81 4.37 0.00 - - -

XT 0.670 0.655 0.660 0.659 0.697 0.759 0.778 0.794 0.761 0.742 - - - - - -2 2-5/16 58.7 1-1/8 29

Cv 0 4.90 7.80 12.8 19.7 28.1 38.4 49.3 58.4 64.9 71.9 0.93

Kv 0.00 4.24 6.75 11.1 17.0 24.3 33.2 42.6 50.5 56.1 62.2 - - -

XT - - - 0.743 0.694 0.686 0.712 0.748 0.750 0.752 0.748 0.731 0.744 - - -

Cv 81.6 78.8 70.0 62.9 51.7 38.5 27.5 17.6 9.9 5.5 0 0.79

Kv 70.6 68.2 60.5 54.4 44.7 33.3 23.8 15.2 8.56 4.76 0.00 - - -

XT 0.610 0.565 0.623 0.601 0.629 0.702 0.698 0.707 0.699 0.692 - - - - - -2-1/2 2-5/16 58.7 1-1/8 29

Cv 0 5.4 8.58 14.3 21.9 30.8 41.8 53.9 63.8 71.5 79.2 0.91

Kv 0.00 4.67 7.42 12.4 18.9 26.6 36.2 46.6 55.2 61.8 68.5 - - -

XT - - - 0.671 0.633 0.605 0.635 0.685 0.697 0.697 0.690 0.664 0.674 - - -1. The end connections are identified on the valve body.2. At maximum flow.

Port MaximumValve

PortDiameter

MaximumTravel Flow



FlowPath(1)

FlowCoeffi-cient

0(PlugDown)

10 20 30 40 50 60 70 80 90100

(PlugUp)

FL(2)

Cv 143 133 121 107 91.1 73.7 56.6 39.0 20.9 8.64 0 0.74

Kv 124 115 105 93 78.8 63.8 49.0 33.7 18.1 7.47 0.00 - - -

XT 0.594 0.632 0.680 0.696 0.714 0.754 0.734 0.673 0.711 0.873 - - - - - -3 3-7/16 87.3 1-1/2 38

Cv 0 18.7 33.9 51.7 70.1 87.9 101 120 134 146 156 0.92

Kv 0.00 16.2 29.3 44.7 60.6 76.0 87.4 104 116 126 135 - - -

XT - - - 0.848 0.757 0.692 0.644 0.621 0.643 0.670 0.743 0.744 0.730 - - -

Cv 248 236 222 200 175 147 117 86.9 56.6 29.0 0 0.74

Kv 215 204 192 173 151 127 101 75.2 49.0 25.1 0.00 - - -

R to B XT 0.570 0.583 0.616 0.652 0.672 0.669 0.659 0.608 0.618 0.640 - - - - - -4 4-3/8 111.1 2 51

R to BL to B Cv 0 10.2 26.5 49.7 78.4 113 154 189 216 241 265 0.92

Kv 0.00 8.82 22.9 43.0 67.8 97.7 133 163 187 208 229 - - -

XT - - - 0.658 0.622 0.616 0.625 0.631 0.643 0.683 0.704 0.711 0.752 - - -

Cv 451 424 387 338 282 223 162 108 60.1 22.9 0 0.84

Kv 390 367 335 292 244 193 140 93.4 52.0 19.8 0.00 - - -

XT 0.757 0.721 0.727 0.749 0.750 0.747 0.776 0.770 0.749 0.774 - - - - - -6 7 177.8 2 51

Cv 0 49.4 102 161 221 284 337 387 433 474 506 0.91

Kv 0.00 42.7 88.2 139 191 246 292 335 375 410 438 - - -


Design YD

Converging Flow


56789+# &'':()*+ S?./

Catalog 12


56789+# &'':()*+ S?.2


Diverging Flow LinearCharacteristic

Port MaximumValve

PortDiameter

MaximumTravel Flow



FlowPath(1)

FlowCoeffi-cient

0(PlugDown)

10 20 30 40 50 60 70 80 90100

(PlugUp)

FL(2)

Cv 9.25 8.47 8.19 7.74 6.97 5.92 4.54 3.08 2.19 2.02 0 0.80

Kv 8.00 7.33 7.08 6.70 6.03 5.12 3.93 2.66 1.89 1.75 0.00 - - -

B to R XT 0.518 0.473 422 0.410 0.439 0.515 0.620 0.714 0.689 0.727 - - - - - -1/2 1-5/16 33.3 3/4 19

B to RB to L Cv 0 2.08 2.80 3.51 4.26 5.11 6.02 6.90 7.50 7.72 8.67 0.80

Kv 0.00 1.80 2.42 3.04 3.68 4.42 5.21 5.97 6.49 6.68 7.50 - - -

XT - - - - - - 0.898 0.744 0.628 0.540 0.533 0.578 0.574 0.555 0.563 - - -

Cv 13.0 12.1 11.5 10.5 9.17 7.48 5.49 3.57 2.49 2.34 0 0.77

Kv 11.2 10.5 9.95 9.08 7.93 6.47 4.75 3.09 2.15 2.02 0.00 - - -

B to R XT 0.537 0.537 0.522 0.529 0.574 0.628 0.648 0.636 0.620 0.648 - - - - - -3/4 1-5/16 33.3 3/4 19

B to RB to L Cv 0 2.39 3.40 4.46 5.70 6.96 8.21 9.39 10.1 10.3 11.5 0.79

Kv 0.00 2.07 2.94 3.86 4.93 6.02 7.10 8.12 8.74 8.91 9.95 - - -

XT - - - 0.946 0.884 0.783 0.681 0.648 0.660 0.668 0.648 0.640 0.608 - - -

Cv 19.4 18.1 16.3 14.5 12.5 9.68 6.58 4.04 2.73 2.40 0 0.89

Kv 16.8 15.7 14.1 12.5 10.8 8.37 5.69 3.49 2.36 2.08 0.00 - - -

B to R XT 0.632 0.666 0.694 0.674 0.614 0.616 0.549 0.455 0.537 0.515 - - - - - -1 1-5/16 33.3 3/4 19

B to RB to L Cv 0 4.16 6.18 8.34 10.9 13.3 15.2 16.7 18.0 18.9 19.2 0.87

Kv 0.00 3.60 5.35 7.21 9.43 11.5 13.1 14.4 15.6 16.3 16.6 - - -

XT - - - 0.718 0.749 0.787 0.756 0.738 0.712 0.693 0.656 0.640 0.648 - - -

Cv 23 20.9 18.9 16.8 13.3 9.90 6.90 4.36 2.53 2.06 0 0.89

Kv 19.9 18.1 16.3 14.5 11.5 8.56 5.97 3.77 2.19 1.78 0.00 - - -

B to R XT 0.604 0.604 0.599 0.599 0.565 0.559 0.525 0.522 0.492 0.487 - - - - - -1-1/2 1-5/16 33.3 3/4 19

B to RB to L Cv 0 4.20 6.30 8.40 11.1 13.5 15.5 17.5 19.6 21.4 23 0.84

Kv 0.00 3.63 5.45 7.27 9.60 11.7 13.4 15.1 17.0 18.5 19.9 - - -

XT - - - 0.684 0.694 0.719 0.732 0.726 0.725 0.674 0.677 0.634 0.596 - - -

Cv 74.2 73.1 69.7 64.2 55.0 44.5 32.6 21.0 12.7 8.77 0 0.90

Kv 64.2 63.2 60.3 55.5 47.6 38.5 28.2 18.2 11.0 7.59 0.00 - - -

B to R XT 0.750 0.756 0.760 0.754 0.762 0.739 0.712 0.734 0.680 0.651 - - - - - -2 2-5/16 58.7 1-1/8 29

B to RB to L Cv 0 6.40 9.32 15.0 28.8 34.3 46.9 59.0 69.8 79.3 85.5 0.87

Kv 0.00 5.54 8.06 13.0 24.9 29.7 40.6 51.0 60.4 68.6 74.0 - - -

XT - - - 0.660 0.674 0.624 0.577 0.631 0.639 0.662 0.673 0.636 0.628 - - -

Cv 77.9 76.7 73.2 67.4 57.7 46.7 34.4 22.1 13.3 9.21 0 0.89

Kv 67.4 66.3 63.3 58.3 49.9 40.4 29.8 19.1 11.5 7.97 0.00 - - -

B to R XT 0.723 0.729 0.735 0.734 0.743 0.715 0.680 0.710 0.659 0.628 - - - - - -2-1/2 2-5/16 58.7 1-1/8 29

B to RB to L Cv 0 6.72 9.79 15.8 25.0 36.0 49.2 62.0 73.3 83.3 89.7 0.87

Kv 0.00 5.81 8.47 13.7 21.6 31.1 42.6 53.6 63.4 72.1 77.6 - - -


Design YD

Diverging Flow

Port MaximumValve

PortDiameter

MaximumTravel Flow



FlowPath(1)

FlowCoeffi-cient

0(PlugDown)

10 20 30 40 50 60 70 80 90100

(PlugUp)

FL(2)

Cv 146 146 146 143 128 106 81.1 55.0 29.8 16.4 0 0.87

Kv 126 126 126 124 111 91.7 70.2 47.6 25.8 14.2 0.00 - - -

B to R XT 0.687 0.716 0.733 0.687 0.686 0.689 0.688 0.684 0.684 0.688 - - - - - -3 3-7/16 87.3 1-1/2 38

B to RB to L Cv 0 26.9 44.3 64.5 84.0 103 122 140 153 165 174 0.90

Kv 0.00 23.3 38.3 55.8 72.7 89.1 106 121 132 143 151 - - -

XT - - - 0.673 0.679 0.675 0.674 0.673 0.672 0.672 0.676 0.674 0.671 - - -

Cv 252 249 246 241 227 203 172 135 94.6 52.1 0 0.76

Kv 218 215 213 208 196 176 149 117 81.8 45.1 0.00 - - -

B to R XT 0.670 0.671 0.674 0.672 0.673 0.673 0.674 0.643 0.671 0.673 - - - - - -4 4-3/8 111.1 2 51

B to RB to L Cv 0 12.0 28.0 50.2 79.7 119 172 226 267 297 316 0.91

Kv 0.00 10.4 24.2 43.4 68.9 103 149 195 231 257 273 - - -

XT - - - 0.691 0.689 0.692 0.691 0.692 0.691 0.688 0.687 0.887 0.690 - - -

Cv 483 470 444 395 343 273 203 134 74.8 33.0 0 0.89

Kv 418 407 384 342 297 236 176 116 64.7 28.5 0.00 - - -

B to R XT 0.783 0.780 0.781 0.785 0.791 0.781 0.786 0.785 0.784 0.786 - - - - - -6 7 177.8 2 51

B to RB to L Cv 0 58.4 106 164 230 301 374 437 491 534 567 0.89

Kv 0.00 50.5 91.7 142 199 260 324 378 425 462 490 - - -


Design YD

Diverging Flow


56789+# &'':()*+ S?.;

Catalog 12

Converging Flow

Design YS


56789+# &'':()*+ S>.&


Converging Flow LinearCharacteristic

Port MaximumValve

PortDiameter

MaximumTravel Flow



FlowPath(1)

FlowCoeffi-cient

0(PlugDown)

10 20 30 40 50 60 70 80 90100

(PlugUp)

FL(2)

Cv 8.43 7.37 6.62 6.11 5.66 5.20 4.73 4.25 3.65 2.48 0 0.80

Kv 7.29 6.38 5.73 5.29 4.90 4.50 4.09 3.68 3.16 2.15 0.00 - - -

R to L XT 0.518 0.473 0.446 0.422 0.416 0.429 0.442 0.449 0.459 0.501 - - - - - -1/2 1-5/16 33.3 3/4 19

R to LB to L Cv 0 1.74 2.44 3.16 3.61 4.10 4.95 5.85 6.38 7.07 8.42 0.80

Kv 0.00 1.51 2.11 2.73 3.12 3.55 4.28 5.06 5.52 6.12 7.28 - - -

XT - - - 0.936 0.819 0.744 0.761 0.697 0.559 0.469 0.456 0.490 0.526 - - -

Cv 11.8 10.4 9.37 8.71 8.07 7.25 6.27 5.32 4.40 2.78 0 0.79

Kv 10.2 9.00 8.11 7.53 6.98 6.27 5.42 4.60 3.81 2.40 0.00 - - -

R to L XT 0.508 0.508 0.490 0.462 0.452 0.452 0.459 0.459 0.436 0.452 - - - - - -3/4 1-5/16 33.3 3/4 19

R to LB to L Cv 0 2.65 3.72 4.87 6.30 7.43 8.29 9.16 9.97 11.2 12.5 0.77

Kv 0.00 2.29 3.22 4.21 5.45 6.43 7.17 7.92 8.62 9.69 10.8 - - -

XT - - - 0.533 0.508 0.494 0.446 0.397 0.397 0.436 0.446 0.432 0.497 - - -

Cv 18.4 16.5 15.3 13.8 12.0 9.84 7.63 5.37 3.38 1.64 0 0.93

Kv 15.9 14.3 13.2 11.9 10.4 8.51 6.60 4.65 2.92 1.42 0.00 - - -

R to L XT 0.682 0.664 0.665 0.668 0.674 0.694 0.704 0.702 0.736 0.845 - - - - - -1 1-5/16 33.3 3/4 19

R to LB to L Cv 0 2.11 3.03 4.45 6.15 8.18 10.5 13.0 15.7 18.3 20.5 0.88

Kv 0.00 1.83 2.62 3.85 5.32 7.08 9.08 11.2 13.6 15.8 17.7 - - -

XT - - - 0.602 0.722 0.691 0.674 0.646 0.644 0.646 0.626 0.594 0.613 - - -

Cv 20.6 18.0 16.2 14.3 12.4 9.90 7.70 5.42 3.30 1.65 0 0.91

Kv 17.8 15.6 14.0 12.4 10.7 8.56 6.66 4.69 2.85 1.43 0.00 - - -

R to L XT 0.603 0.616 0.656 0.690 0.700 0.759 0.763 0.768 0.854 0.926 - - - - - -1-1/2 1-5/16 33.3 3/4 19

R to LB to L Cv 0 2.60 4.90 6.90 9.40 12.6 15.4 18.8 22.0 24.5 25.1 0.82

Kv 0.00 2.25 4.24 5.97 8.13 10.9 13.3 16.3 19.0 21.2 21.7 - - -

XT - - - 0.453 0.315 0.328 0.330 0.313 0.342 0.353 0.365 0.379 0.468 - - -

Cv 66.1 63.6 61.9 59.3 53.7 47.0 37.7 27.6 17.1 6.68 0 0.92

Kv 57.2 55.0 53.5 51.3 46.5 40.7 32.6 23.9 14.8 5.78 0.00 - - -

R to L XT 0.757 0.762 0.747 0.725 0.734 0.743 0.743 0.733 0.724 0.848 - - - - - -2 2-5/16 58.7 1-1/8 29

R to LB to L Cv 0 3.85 5.48 9.16 14.6 21.5 30.7 42.4 56.3 71.9 85.6 0.65

Kv 0.00 3.33 4.74 7.92 12.6 18.6 26.6 36.7 48.7 62.2 74.0 - - -


Port MaximumValve

PortDiameter

MaximumTravel Flow



FlowPath(1)

FlowCoeffi-cient

0(PlugDown)

10 20 30 40 50 60 70 80 90100

(PlugUp)

FL(2)

Cv 72.8 70.0 68.0 65.3 59.2 51.7 41.5 30.3 18.8 7.35 0 0.89

Kv 63.0 60.5 58.8 56.5 51.2 44.7 35.9 26.2 16.3 6.36 0.00 - - -

R to L XT 0.691 0.677 0.684 0.659 0.664 0.676 0.681 0.667 0.662 0.662 - - - - - -2-1/2 2-5/16 58.7 1-1/8 29

R to LB to L Cv 0 4.24 6.03 10.1 16.0 23.7 33.8 46.7 62.0 79.0 94.2 0.84

Kv 0.00 3.67 5.22 8.74 13.8 20.5 29.2 40.4 53.6 68.3 81.5 - - -

XT - - - 0.824 0.802 0.725 0.694 0.684 0.674 0.662 0.631 0.601 0.552 - - -

Cv 140 131 121 111 99.3 85.3 68.3 46.1 23.9 9.07 0 0.86

Kv 121 113 105 96.0 85.9 73.8 59.1 39.9 20.7 7.85 0.00 - - -

R to L XT 0.713 0.714 0.714 0.713 0.716 0.712 0.715 0.716 0.713 0.711 - - - - - -3 3-7/16 87.3 1-1/2 38

R to LB to L Cv 0 14.1 27.4 40.3 53.8 68.3 87.1 111 138 164 185 0.83

Kv 0.00 12.2 23.7 34.9 46.5 59.1 75.3 96.0 119 142 160 - - -

XT - - - 0.519 0.592 0.592 0.595 0.591 0.592 0.593 0.593 0.593 0.593 - - -

Cv 234 231 225 216 200 175 140 103 65.2 30.0 0 0.87

Kv 202 200 195 187 173 151 121 89.1 56.4 25.9 0.00 - - -

R to L XT 0.727 0.698 0.702 0.685 0.672 0.670 0.692 0.657 0.548 0.583 - - - - - -4 4-3/8 111.1 2 51

R to LB to L Cv 0 2.81 11.9 25.0 43.1 69.0 106 149 200 256 312 0.84

Kv 0.00 2.43 10.3 21.6 37.3 59.7 91.7 129 173 221 270 - - -

XT - - - 0.754 0.866 0.805 0.747 0.725 0.729 0.715 0.695 0.659 0.590 - - -

Cv 413 386 363 331 296 252 207 157 102 49.5 0 0.87

Kv 357 334 314 286 256 218 179 136 88 42.8 0.00 - - -

R to L XT 0.770 0.764 0.729 0.716 0.699 0.665 0.607 0.537 0.488 0.465 - - - - - -6 7 177.8 2 51

R to LB to L Cv 0 38.4 70.1 110 156 208 262 324 393 473 556 0.84

Kv 0.00 33.2 60.6 95.2 135 180 227 280 340 409 481 - - -


Design YS

Converging Flow


56789+# &'':()*+ S>./

Catalog 12


56789+# &'':()*+ S>.2


Diverging Flow On-OffService Only


PortDiameter

MaximumTravel Flow Path(1)

FlowCoeffi-


Inches Inches mm Inches mmFlow Path(1) Coeffi-

cient 0 (Plug Down) 100 (Plug Up)FL

(2)

Cv 8.20 0 0.84

Kv 7.09 0.00 - - -

XT 0.612 - - - - - -1/2 1-5/16 33.3 3/4 19

Cv 0 8.89 0.82

Kv 0.00 7.69 - - -

XT - - - 0.544 - - -

Cv 11.0 0 0.84

Kv 9.52 0.00 - - -

XT 0.616 - - - - - -3/4 1-5/16 33.3 3/4 19

Cv 0 11.8 0.81

Kv 0.00 10.2 - - -

XT - - - 0.597 - - -

Cv 17.1 0 0.94

Kv 14.8 0.00 - - -

XT 0.742 - - - - - -1 1-5/16 33.3 3/4 19

Cv 0 19.3 0.89

Kv 0.00 16.7 - - -

L to R XT - - - 0.696 - - -L to RL to B Cv 20.5 0 0.89

Kv 17.7 0.00 - - -

XT 0.590 - - - - - -1-1/2 1-5/16 33.3 3/4 19

Cv 0 23.2 0.85

Kv 0.00 20.1 - - -

XT - - - 0.550 - - -

Cv 58.1 0 0.94

Kv 50.3 0.00 - - -

XT 0.848 - - - - - -2 2-5/16 58.7 1-1/8 29

Cv 0 72.7 0.93

Kv 0.00 62.9 - - -

XT - - - 0.757 - - -

Cv 64.0 0 0.92

Kv 55.4 0.00 - - -

XT 0.772 - - - - - -2-1/2 2-5/16 58.7 1-1/8 29

Cv 0 80.0 0.91

Kv 0.00 69.2 - - -

XT - - - 0.691 - - -1. The end connections are identified on the valve body.2. At maximum flow.

Design YS

Diverging Flow


MaximumTravel Flow Path(1)


Inches Inches mm Inches mmFlow Path(1) Coeffi-

cient 0 (Plug Down) 100 (Plug Up)FL

(2)

Cv 118 0 0.93

Kv 102 0.00 - - -

XT 0.830 - - - - - -3 3-7/16 87.3 1-1/2 38

Cv 0 148 0.95

Kv 0.00 128 - - -

XT - - - 0.766 - - -

Cv 203 0 0.92

Kv 176 0.00 - - -

L to R XT 0.819 - - - - - -4 4-3/8 111.1 2 51

L to RL to B Cv 0 265 0.94

Kv 0.00 229 - - -

XT - - - 0.757 - - -

Cv 386 0 0.94

Kv 334 0.00 - - -

XT 0.849 - - - - - -6 7 177.8 2 51

Cv 0 512 0.94

Kv 0.00 443 - - -

XT - - - 0.772 - - -1. The end connections are identified on the valve body.2. At maximum flow.

Design YS

Diverging Flow


56789+# &'':()*+ S>.;

Catalog 12

Documents

Catalog 12 Index ANSI/ISA/IEC VALVE SIZING …linearcontrols.net/intranet2/Fisher/Fisher/Sizing/cat12sect1.pdfFisher, and Fisher-Rosemount are marks owned by Fisher Controls In-