High Performance Damper Valves - Stealth Valve

STEALTH INTERNATIONAL INC.The “Application Solution” Company®

E S T A B L I S H E D 1 9 9 1

T H E “ A P P L I C A T I O N S O L U T I O N ” C O M P A N Y ®

MODEL STJHigh Performance Damper Valves

Applications • Severe Corrosion• High/Low Temperatures• -40 to 2500°F• Blowers• On-Off and Modulating• Aeration• High Cycle• Slab Casters

Options • Metal Seated• Resilient Seated• Ceramic Seated• RTFE Seated• Fiberglass• Powder Coated• Sleeve Lined

Bodies• Wafer• Flanged On-Off Modulating• Round• Rectangular/Square• Louvered

TITAN

Fiberglass - Resilient SeatedEXCALIBUR

Zero Leakage -High CycleHELIOS

RTFE Seat -Class VIPATRIOT

316 Stainless Steel - Resilient Seated

WORLD WIDE INSTALLATIONS

Models Design Standard Features Ratings Applications


PATTONTITANPATRIOTEXCALIBURHELIOS

Light DutyMedium/Industrial Duty Heavy Duty IndustrialSevereSevere

• Available in sizes 2”-72” (50mm to 1830mm)• Available in all end connections• Through or off-set shaft designs• Through shaft and stub shaft designs• All designs are suitable for indoor/outdoor environments• All models incorporate dual thrust bearing for mounting

in any orientation in the pipe line• High Capacity disc design for maximum SCFM

PATTON Standard Design

Single Bearing and Packing

AirAbrasionPowderFlue GasModulatingHigh Velocity

Temperature:-40° to 1250°F

Pressure:Max ∆P 15 PSIGOptional 150 PSIG

Rating: Class I

TITAN Standard DualExternal Roller Bearings

Standard Dual Packing

AirAbrasionPowderFlue GasModulatingHigh Velocity

Seat: Metal seat, through or step Packing: Internal dual/replaceable Bearing: Internal roller bearingShaft: Through shaft, rugged shaftconstruction Disc: Abrasion treated disc optionalfull hub disc design

Temperature:-40° to 2000°F

Pressure:Max ∆P 15 PSIGOptional 150 PSIG

Rating: Class I

PATRIOT Dual Internal Live Loaded Packing

Dual Internal Dual Roller Bearings

High VelocityBlower IntakeHigh TemperatureFlue GasZero Leakage

Seat: Metal seat/Resilient seated/Ceramic seat in body Packing: External dual replaceable Bearing: External roller bearingShaft: Rugged large diameter shaftfor zero leakageDisc: Full hub or off-set eccentric

Temperature:-40° to 250°F EPDM-40° to 350°F Viton

Pressure:Max ∆P 15 PSIG

Rating: Class I – VI

EXCALIBUR Dual Internal Live Loaded Packing

Dual Bearings

High Cycle

Full Seat Encapsulation

High CycleBubble TightAirModulatingBlowerZero LeakageHigh CorrosionHigh Abrasion

Seat: Resilient seated, body or discor fully encapsulating Packing: Internal dual/replaceable.Patented packing, no adjustmentrequired Bearing: Internal recessed rollerbearings. Dual thrust bearingsDisc: Full hub through shaft

Temperature:-40° to 250°F EPDM-40° to 350°F Viton

Pressure:Max ∆P 15 PSIG

Rating: Class I – VI

HELIOS High TemperatureHigh VelocityHigh AbrasionHigh CycleZeroMaintenanceSlab CasterCorrosive

Seat: Resilient seated, in bodyor on disc Packing: External dual/replaceableAdjustable packing Bearing: External recessed rollerbearings. Dual thrust bearingsShaft: Through shaft, Thermal expansion shaft design. Purged port designDisc: Full hub through shaft design

Temperature:-40° to 2500°F-40° to 250°F EPDM-40° to 350°F Viton

Pressure:Max ∆P 15 PSI

Rating: Class I – III

FEATURES• Flange drilling to suit ANSI/AWWA/B5/ODEE/DIN/JIS• High capacity flow, ribbed construction• ∆P, fully closed 15 PSIG, Optional 150 PSIG• Thru shaft design and flow thru discs• Shaft retaining collars• Bi-directional shut-off• Fixed Disc/Stem assembly • Reinforced bodies and discs• Internal/external removable bearings• Corrosion proof shaft journal construction• Dual thrust bearings for 360° pipe installation vertical or horizontal

BENEFITS• Maintenance free packing and seals• Low torque for competitive actuator sizing• Actuator temperature isolation pads• Heat sink extended necks• Direct mount actuation ISO 5211 standards• Face to face ISO 5752 (MSS-SP-67) or

API standards• Replaceable bearing without removing the

valve from service• Purged body journals option• Full penetration welds

High Temperature Ceramic Seat

Purge Ports in Journal

Dual External Packing

Dual External Bearing

NOTE: Discs are hardened for specific or abrasive applications. On severe abrasion discs can be rubber lined.

Seat: Through seat or metal seat Packing: External dual/replaceable Bearing: External roller bearingShaft: Through shaft, rugged shaftconstruction Disc: Abrasion treated disc optional

Models Applications Options (Application details at www.stealthvalve.com)


RETAININGBOLT

RETAININGRING

LOCKWASHER

NUT

DISC

CERAMICFIBRE TAPE

SEAT

H ACROSS

Lo45

G SHAFT DIAMETER

L

B

A

F

J

E

K*- IS DISC CHORDAL DIMENSION AT VALVE FACE

1

6

2

4

5

7

NOTES

1.1 VALVES MAY BE MANUFATURED TO CUSTOMER SIZE AND MATERIAL SPECIFICATIONS1.2 STANDARD FLANGES ARE ANSI CLASS 125/150 DRILLING ALTERNATE DRILLINGS MUST BE SPECIFIED1.3 WAFER OR FLANGED UNITS MUST BE SPECIFIED1.4 1/8” THICK FLANGE GASKETS ARE REQUIRED1.5 ALL INDIVIDUAL COMPONENTS ARE LISTED IN THE BILL OF MATERIALS ON ALL FORMAL DRAWING SUBMITTALS

‘C’BODY ID.

STANDARD SEAT

DISC

FLANGESUPPORT

SEAT

3

HIGH TEMPERATUREMINIMUM LEAKAGE SEAT

Drawing ‘A’

Typical Valve Dimensions: 2" - 60" (50mm - 1600mm) Standard Design

NOTE: Valve mounting plate and shaft end can be modified to accommodate any style actuator drive for direct mounting to the valve.*K = the chordal dimension at the valve face.

22.534568

1012141618202430364248546072

506580

100125150200250300350400450500600750900

10001200140016001830

0.550.550.550.550.550.750.750.750.750.750.750.750.750.751.181.181.181.181.181.181.18

6.007.007.509.00

10.0011.0013.5016.0019.0021.0023.5025.0027.5032.0038.7546.0053.0059.5066.2573.0086.50

1.621.751.752.002.122.122.502.503.003.004.004.254.885.946.567.889.88

10.8812.0012.0012.00

2.002.503.004.005.006.008.00

10.0012.0014.0016.0018.0020.0024.0030.0036.0042.0048.0054.0060.0072.00

0.160.200.220.230.250.250.250.250.250.250.250.250.250.380.380.500.500.620.620.750.75

5.506.006.257.007.508.009.50

10.7512.2513.3814.2515.0016.2520.1222.8826.5030.2535.7540.2544.5050.50

4.004.004.004.004.004.004.006.006.006.006.006.006.006.006.567.889.88

10.8812.0012.0012.00

0.550.550.550.550.550.550.750.750.750.751.001.001.001.001.501.50 1.50 2.002.00 2.00 2.75

0.390.390.390.390.390.390.510.510.510.510.510.510.510.510.870.870.870.870.870.871.18

1.121.121.121.121.121.121.121.121.121.251.251.251.251.252.002.002.002.002.002.002.50

1.311.882.503.564.625.447.449.50

11.4413.0015.5017.5019.4423.3829.2535.0640.7546.7552.7558.7569.75

0.250.250.250.250.250.250.250.250.250.250.380.380.380.500.500.620.620.750.751.001.00

2.762.762.762.762.762.762.762.764.92 4.92 4.92 4.92 4.92 4.92 4.92 4.926.006.00 6.00 6.006.00

444444444444444444444

0.380.380.380.380.380.380.380.380.560.56 0.56 0.56 0.56 0.56 0.560.560.750.75 0.75 0.750.75

Inches mm Stem Dia. A B C D E F G H J K* L BC No.Holes Hole Dia.Valve Size Top Plate Drilling

Typical Valve Weights: 2”– 60” (50mm – 1600mm)

NOTE: Weights will vary based on configuration and flange mating requirements. Above weights based on flanged design and double drilling to ANSI 125/150 B16.5.

Incheslbs.mm.kg.

23.5501.6

2.54.0650.1

34.2801.9

46.81003.1

59.01254.1

611.01505.0

816.02007.3

1027.525012.5

1243.530019.7

1468.035030.8

16109.040049.4

18118.045053.5

20148.050067.1

24271.0600

122.9

30390.0750

176.9

36621.0900

281.7

42882.01000400.1

481342.01200608.7

541715.01400777.9

602715.01600

1231.5

723529.51830

1601.0

DESIGN STANDARDSSize Range: 2” – 72” (50mm to 1830mm)

ASME Section VIIIPressure Range: 15 PSIG ∆P (103kPa) in the fully closed position (Bi-directional) 150 PSIG ∆P (1034kPa) optional in the

fully closed position. Full vacuum

Temperature Range: -40°F (-40°C) to 2500°F (1371°C)Leakage Rates: FCI ANSI CLASS I - VI

Optional - Zero leakageInspection: ANSI FCI 70-2-1991Velocity Limits: 300 FT/SEC.


Unique Packing Retaining Feature (Patented)

Description:Allows replacing of O-Ringseals without the removal of the valve from the pipeor removing the valve from service.

• Chevron packing is live loaded

• 2 Dynamic O-Ring seals• 2 Static O-Ring seals• Bolt down non-metallic bushing

Live loaded

• Safety feature - No adjustment required

• High cycle sealing system• Positive rotary journal seal• Tamper proof and recessed

in upper valve trunion

Internal Dual Roller Bearing Feature

• Recessed roller bearing

• Housed in Delrin• Shaft is not in contact with

body journal

• No maintenance requiredPermanently lubricated

• Non-corrosive non-seizing design• Shaft will not seize to journal

due to condensation or galvanic corrosion

External Roller Bearing Feature

• Large roller bearing• Removable plates

• Mounted externally• Accessible

• High load and high cycle• Allows for bearing replacement

without removing the shaft or removing the valve from service

• No shaft seizure within body housing• Ease of lubrication if required

Typical Materials of Construction

BodyDiscShaftSeatPacking–AdjustableBushingInternal BearingsExternal RollerCollars/Shaft

1234567OPOP

Carbon Steel A-36Carbon Steel A-36A 351, 316 S.S.ASTM A-36 Carbon SteelGrafoil - Single - DualDelrin/DualMini Roller/DualRemovable/DualBronze/Teflon/SS

316 S.S./317L S.S./Aluminum/Titanium/Ceramic/Inconel/Hastalloy316 S.S./317L. S.S./Aluminum/Titanium/Ceramic/Inconel/Hastalloy17-4 PH/Hastalloy/Ceramic/Shaft Locking DeviceEPDM/Viton/Ceramic/BUNA-N/316 S.S./317L S.S./Aluminum/TitaniumGrafoil-Dual/V-Cup ChevronAcetal/Duralon/Dual316 S.S./Dual Roller/LubricatedC.I. Permanent Lubricated/High Temperature Roller/DualDual Thrust Bearing/Dual Thrust Collars

ComponentNo Standard Options

Component Feature Benefit

Pressure/Temperature Ratings

Pressure RatingAll valves are suitable for 15 PSIG bi-directional shut-off in the fully closed position.Optional higher pressures are available – Maximum 150 PSIG

Patton

Titan

Patriot

Excalibur

Helios

DiscSeatDiscSeatDiscSeatDiscSeat

DiscSeat

MetalMetalMetalMetalMetalEPDM/ElastomersMetalElastomers/BUNA-N/EPDM/VitonMetalFiberglass/Ceramic/Inconel

Single BearingSingle PackingDual BearingDual PackingDual BearingDual PackingDual BearingDual Packing

Dual BearingDual Packing

-50°F (-46°C)

-50°F (-46°C)

-40°F (-40°C)

0°F (-18°C)

-40°F (-40°C)

1250°F (677°C)

1250°F (677°C)

250°F (121°C)

212°F (100°C)350°F (204°C)

1250°F (677°C)2000°F - Special

I - III

I - III

I - VI

I - VI

I - IV

FlangedWafer FlangedFlangedWafer FlangedFlangedWafer FlangedFlangedWafer Flanged

FlangedWafer Flanged

Models Configuration Minimum Maximum Class Body


Material/Temperature Selection

NOTE: This is a specialized product and manufactured for each specific application. All Valves are manufactured in Canada or USA as required for final destination or inspection requirements prior to delivery.

410SS430SS304\304L\304H321\321H316\316L309S\309H310S\310H330SS448SS310SSA-36CS

°F1500160017001700170020002100210021502200650

°C815870925925925

10951150115011751204343

°F1300150016001600160018001900190020002050580

°C705815870870870980

1035103510951121304

Intermittent Service Continuous ServiceMaterialTemperature

Flanged (F) Wafer Body (W) Flanged by Plain End (FP) Weld Ends (WE) Wafer Flanged (WF)

Body Styles

Class I

Center Shaft on BodyClass I-IV

Center Shaft on BodyClass I

Center Shaft on BodyClass I-VI

Center Shaft on BodyClass I-VI

Offset RTFE SeatClass I-V

Seat on Disc

Metal orThrough Seat

Ceramic EPDM, BUNA, VITON

MetalSeated

Full Seat RecessedEPDM, BUNA, VITON

Center Shaft Off-setEccentric RTFE

Center Shaft Off-set EccentricSeat on Disc EPDM, BUNA, VITON

Seat Styles and Pressure Classes

Typical Cv Values - Valve Sizing Co-efficient:

Cv’s will increase or decrease based on disc and shaft configuration and design

22.534568

1012141618202430364248546072

506580

100125150200250300350400450500600750900

10001200140016001830

144282461841

13761850331654308077

10538139661721422339326935290577785

102861132794168742204477265820

114223364701

114615422842452567318874

11761144961881227718448556594984574

108786138235172379224093

84163267496775

102518622948439359397867

1006512535179812845841331546807048589523

110833144083

61107154274428567

1081171025633384448357367144

1042116494239543280343039546646767787980

436796

171268354680

1076159421492847364345366618

10474152112083027331347134297655869

274361

109170225421667

10051320174922372786406464329342

1279316785213192639434312

1624356298

129241382555756

10011281159523273684535073269612

122081511419648

6.821115274356

102162235299397507632922

1459211929014037512763488252

0.781.221.763.13

56

12192734455872

211334485665872

110813721784

Inches mm 90° 80° 70° 60° 50° 40° 30° 20° 10°Valve Size Disc Position (degrees)


SUGGESTED SPECIFICATION

Body: All bodies shall be of fabricated steel flanged construction to suit the pressure, temperature and mediaapplication, machine-faced to 125 RMS ANSI B16.5.All bodies and discs shall be sufficiently ribbed to preventbody deflection. Body journals shall be designed to incorporate sufficient clearance and shall not incorporateinternal shaft bearings or bushings, (when noted). Upper and lower body journals shall be drilled, tappedand plugged to accommodate purge lines when required.All bodies shall be stress relieved after fabrication. All welds to be full penetration. All valves shall be ratedfor 15 PSIG in the fully closed position or as required.Disc: Discs shall be fabricated steel, split-shaft or throughshaft removable construction and ribbed for maximum flowand minimal deflection. All discs shall be connected bymeans of solid taper pins securely fastened with retainingnuts or back welds. All discs shall be stress relieved after fabrication. Disc will accommodate through shaft construction on high velocity applications.Seat: All seats shall be located on the body and mechanically retained with removable retaining rings. The seat will be stepped to maximize the sealing surfaceand incorporate specified material. The seat material willbe designed to withstand continuous service conditionsand shall be field replaceable.

Shaft: All shafts shall be split or thru-design. Minimum316 stainless steel or to meet the application andmachined to accommodate direct mount actuation. Shaftdiameters shall be to AWWA C-504 CL-75B when specifiedby size. All shafts shall incorporate bi-directional thrustbearing and location locking collars. All shafts shall besupported by dual external roller bearings as required. Allvalves shall incorporate dual thrust bearings for 360° pipeorientation in vertical or horizontal pipe.Packing: Valves shall incorporate live loaded self-adjusting packing that is field replaceable withoutremoval or disassembly of the valve from the piping for theapplication. Packing shall consist of minimum 3 rings of0.25” Grafoil in each journal. Dual Packing will be usedas required with external bearings.External Roller Bearings: All valve bodies shall incorporate upper and lower roller bearings to support theshaft and disc assembly. All bearings shall be permanentlylubricated and field replaceable without the removal of thevalve from the piping. Bearings shall be suitable for indoorand outdoor environments up to -40°F to 2500°F or asrequired. All actuators shall direct mount to the valve shaftand mounting plate to ISO 5211 standards. All valves shallbe capable of mounting in any orientation in the pipe including the inverted position. Pneumatic Actuators shallbe capable of mounting fail open or fail close in the fieldwithout changing actuator orientation when required.

STJ ORDERING CHART

Style

WModel

STJ-ASize

1 2Size

2”2.5”3”4”5”6”8”

10”12”14”16”18”20”24”30”36”42”48”54”60”72”

A-PattonB-TitanC-PatriotD-ExcaliburE-HeliosF-Special

Code

022503040506081012141618202430364248546072

Style

WaferFlangedWafer FlangedWeld EndsFlangedby plainend

Code

WF

WF

WEFP

Body

1Disc

1Shaft

1Seat

1

Material of Construction

Material

Carbon Steel316SSTitaniumAluminumSpecial

Carbon Steel316SSTitaniumAluminumSpecial

316SS17-4PHTitaniumHastalloySpecial

Metal - CarbonMetal - 316SSTitaniumAluminumEPDMVitonTFECeramicSpecial

Code

1234S

1234S

1234S

12346789S

Body:

Disc:

Shaft:

Seat:

Packing

4Bearing

6Actuator

3Packing

Single Teflon®

Single GrafoilDual Teflon®

Dual GrafoilSingle AdjustableDual AdjustableSpecial

Bearing

DelrinAcetalDuralonInternalExternal RollerInternal DualRoller Special

Actuator

LeverGearPneumatic DAPneumatic SRElectric (on/off)Electric (modulating)Hydraulic DA Hydraulic SR Plain stemSpecial

Code

123456

789S

Code

123467S

Code

123467S

Above example part number indicates: a 12” wafer style damper with a carbon steel body, carbon steel disc, 316SS shaft, metal seat (carbon steel) with dual Grafoil packing, dual external roller bearings and a double acting pneumatic actuator. Larger sizes available upon request.

*Available at www.stealthvalve.com under Suggested Specifications


Damper Valves – Objective Comparison and Analysis

123456789

10111213141516171819202122

Number of Body ConfigurationsNumber of Seat DesignsSize RangeNumber of Patents for DampersDouble FlangedShaft DiametersShaft DesignBubble Tight CapabilitiesRibbed Body ConstructionHigh Capacity Disc DesignTangential Disk Pin ConstructionDual Thrust Bearing ConstructionNon Adjustable Shaft SealsShaft Journal Corrosion ProtectedElimination of Packing AdjustmentRecessed Seat Supported on Three SidesFused Epoxy Coating Body and DiscRibbed Disc ConstructionStandard ISO Face to Face DimensionIntegral Pressure Gauge in SolenoidFlange Face MachiningISO 5211 Actuator Mounting (Direct)

FourFive3 to 72 inchOneYesAWWA C504 CL 75 Bstub/thruYes/45 degreesYesYesYesYesYesYesYesYesYesMultipleYesYesYesYes

Item Category Stealth

OneTwo3 to 60 inchNoneYesNoThruNo No No No No No No No No No SingleNo No No No

Typical Industry Standards

Risk Factors

123456

789

10111213141516

171819202122

Number of Body ConfigurationsNumber of Seat DesignsSize RangeNumber of Patents for DampersDouble FlangedShaft Diameters

Shaft DesignBubble Tight CapabilitiesRibbed Body ConstructionHigh Capacity Disc DesignTangential Disc Pin ConstructionDual Thrust Bearing ConstructionNon Adjustable Shaft SealsShaft Journal Corrosion ProtectedElimination of Packing AdjustmentRecessed Seat Supported on Three Sides

Fused Epoxy Coating Body and DiscRibbed Disc ConstructionStandard ISO Face to Face DimensionIntegral Pressure Gauge in SolenoidFlange Face MachiningISO 5211 Actuator Mounting (Direct)

Design and application capabilitiesSealing RequirementsCapacity Cv'sDesign AdvantagesNumber of holes to prevent flange connection leakageUndersized shafts and unseated discs, caused by high actuator speedand disc momentumStub design for low head lossDesign capabilities for application design requirements on zero leakagePrevents body deflection for the sealing surface seat to discLow head loss and high flow capacityThru pin connection is shear and weakens shaft torsional capabilitiesWeight of disc and shaft assembly must be supported for all orientationsEliminates the necessity of maintenance and eliminates external leakageNecessary to prevent body journal corroding around the shaftRoutine maintenance is not requiredProven design for over 40 years. Seat retention methods should be evaluatedCorrosion capabilities internally and externallyRequired to prevent disc deflection under seating or dynamic loadNecessary to prevent dependence on one design or one manufactureConfirms actuator pressure and output torque confirmation Flanges not parallel will cause leakage at the mating flange, bolt spacingEliminates dependency of single source actuator suppliers

Item Category Risk/Issues

Dual externalremovable roller bearing and packing

Tangential disc pin construction

Ribbed disc and body designs

AWWAshaft diameters

Offset discrecessedseat design

Solenoid with integralgauge

Dual thrustbearing design andshaft lockingdevice

ONTARIO – 1273 North Service Road East, Unit F6, Oakville ON L6H 1A7 – TEL 905 845 4500 • FAX 905 845 45052520c St. Laurent Boulevard, Suite 102, Ottawa ON K1H 1B1 – TEL 613 739 4626 • FAX 613 739 1679

BRITISH COLUMBIA – TEL 604 632 4657 • FAX 604 632 4658QUEBEC – 3460 Poirier, St. Laurent QC H4R 2J5 – TEL 514 332 4260 • FAX 514 331 3924 • TOLL FREE 1 800 361 5571

[email protected] www.stealthvalve.com®

• 2 4 H O U R E M E R G E N C Y VA LV E R E S P O N S E • 4 1 6 9 4 5 1 2 5 8 •

STJ STEALTH DAMPER VALVE SPECIFICATION REQUIREMENTSTHE FOLLOWING SPECIFICATIONS ARE REQUIRED FOR EACH VALVE OR PLEASE CONFIRM IF THE VALVE IS TO BE MANUFACTURED TO THE STEALTH STANDARD DIMENSIONS.

Customer: SO#: Date:

Contact: Dist/Cust PO:

Phone: Fax: Ref:

Manufacture to Stealth drawing: Drawing #:

Manufacture to specified drawing: Drawing #: Attached Drawing #

MEDIA SPECIFICATIONSMax. Allowable Leakage Class I Class II Class III(Based on FCI ANSI B16,104) Class IV Class V Class VIMedia Maximum Maximum Maximum

Velocity Pressure TemperatureOperating Operating Operating Seat Type Velocity Pressure Temperature Required

VALVE SPECIFICATIONSValve Size Quantity End Minimum Dimension Connections Pipe ID.Specifications Valve Valve Valve Bolt Number of

ID. Flanged O.D. Circle Diameter Flange HolesFlange Hole Extended Laying ModelDiameter Neck Length

Valve Flanges Body Shaft Dual ShaftMaterial Disc PackingSpecifications Seat Internal External Single

Type Bearing Bearing Shaft Packing

ACTUATOR MOUNTING DETAILValve Trunnion Bolt Circle Hole Number Trunnion Flange O.D. Diameter Diameter of HolesSpecifications Shaft Shaft O.D. Keyway Parallel

Height FlatMatch Shaft to Model In Line Adjacent Actuator Type/Size Number with Pipe to Pipe

AUTOMATIONActuator Manufacture Double Fail Fail Specification Acting Open Close

Minimum Lever Gear ElectricSupply Pressure VoltageNema On-Off Special HardwareRating CoatingFitting Modulating Manual DutyMaterial Override

Solenoid 3-Way 4-Way Nema Voltage Manual Specification OverrideLimit Switch Type Nema Voltage IndicatorSpecification RatingPositioner Type Signal Signal Voltage GaugesSpecification In Out

Indicator Reverse Direct Piping Switches ExternalMaterial Feedback

Coating Valve ValveSpecification External Internal

Actuator

Tagging MaterialInstructions

• Speed Controls are mandatory for all automated pneumatic valves.• Gaskets must be a minimum of 1/8” thick and are required for all valves.• All valves are unique to their application and therefore are subject to non-refundable 100% cancellation charge once drawings are released.• Serrated flange faces must be specified for all flanged valves. Standard on stainless steel per ANSI B46.1. I-1978 military standard 45662.• Delivery times commence upon receipt of approved drawings.

Authorized Customer/Distributor Signature Date

Authorized Signature (Print) Changes as Indicated No Changes

Stealth Acknowledged Date Print

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High Performance Damper Valves - Stealth Valve