Control Valves for Severe Service Applications€¦ · Control Valves for Severe Service Applications DFT ... The HI-100® Control Valve features an in-line straight-thru venturi

DFT designs products using the latest CAD, FEA, and CFD design technology software and manufactures in Exton, PA.

Control Valves for Severe Service Applications

DFT® HI-100® Control Valve Features an In-Line Straight-Thru Venturi Flow Design

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140 Sheree Blvd.P.O. Box 566Exton, PA 19341-0566

e-mail: [email protected]

internet: www.dft-valves.com

610-363-8903800-206-4013FAX 610-524-9242

®

DFT® Model HI-100® Severe Service Parameters• Pressuredifferential>1000psi(69bar)• Temperatures>800ºF(427ºC)• Highlyerosiveand/orcorrosiveservice• Servicewithentrainedwaterdropletssuchaswetsteam andmixedphaseapplications• Lightslurryservice• Buffetingorpulsatingfluid

Valve DesignTheHI-100® Control Valvefeaturesanin-linestraight-thruventuriflowdesign.Thecontrolelement,asphericalball,iscontainedbyacagethatpositionstheballrelativetothedownstreamseatbymeansoflinearstemtravel.Therearenocloseclearancesbetweenthemovingparts(i.e.cage,ballandseat).Thesefeaturesenablethevalvetooperatesmoothlyandefficientlyathighorlowtemperaturesand/orinfluidscarryingsuspendedparticlessuchasslurries.FCI70ClassVshutoffisstandard.

Control Valves for Severe Service Applications

DFTdesignsproductsusingthelatestCAD,FEA,andCFDdesigntechnologysoftwareandmanufacturesinExton,PA.

HI-100® Product Line•ValveBodySizes:1”to12”*•TrimSizes:¼”to8”•PressureClass:ASME150to4500•StandardBodyMaterials: CarbonSteel,StainlessSteeland Chrome-moly•EndConnections:WeldEndandFlanged•StemSeal:Live-loadingPacking•ToporBottomEntrytoInternalTrim•FlowCharacteristics: LinearorEqualPercentage

Stem

Upstream Wear Bushing

Cage

DownstreamSeat

Cartridge Assembly Guide Pin

Ball

*Largersizes,consultfactory.

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DFT® HI-100®

HI-100®/MSV-100®/Ultra-Trol® Flow CharacteristicsTheclassicDFTdesignhasalinearflowcharacteristic.Thischaracteristicgivesthebestflowcontroloverthewidestrange.DFT’sventuri-balldesignistheonlydesignthatactuallyworkswiththephysicsofthefluidflow.Incomingflowentersthroughthenozzletothecontrolarea.Thesmoothlyconvergingnozzlelowersturbulenceastheflowmovesaroundthecurvedcontrolpath.Notethatonlyroundedsurfacesandconesareusedforthecontrolfunction.Astheflowexitsthevalve,thedivergingnozzlecontrolsexpansionandrecoverysothatnoturbulenceisaddedtotheflowstream.Thisdesignprovidesasuperior,smoothflowcontrol.Thepreferredoperatingrangeofthevalveisbetween15%and90%open.

Flow Characteristics

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

% of M

axim

um Flow

Valve Percent Open

Venturi Ball Flow Characteristics

*Standardmaterialsofconstructionareshown.Thesematerialscanbemodifiedforspecialapplications.Contactthefactoryformoreinformation.DFT®andHI-100®areRegisteredTrademarksofDFTInc.Allothertrademarksarethepropertiesoftheirrespectiveownersandareusedforpurposesofidentificationonly.

BODYBody / Bonnet(normally matches pipe) A105 F22 or F11 A479-316

Cage: 1/4” to 2” Cast Stellite® #6

Cage: 2-1/2” & Larger WC6 w/Stellite® #6 Hardfacing CF8M/Stellite® #6

Cartridge A351 CF8M

Guide Pin A193 B7 A193 B8M

Gland/ Follower 303 SS

TRIM STYLETrim Code (A) (B) (C) (D)

Stem Trim 17-4 PH A286 A286

Ball: 1/4” to 4” PSZ Ceramic 440C Stellite® Stellite®

Ball: 6” and Larger Stellite® #6

Seat: 1/4” to 2” 440C Stellite® #6 Stellite® #6

Seat: 2-1/2” & Larger 440C 316 SS/Stellite® 316 SS/Stellite®

Wear Bushing 440C Stellite® #6

APPLICATION TRIM CODE APPLICATION TRIM CODEBoiler Feed Pump Bypass A Drum Level Control B

Auxiliary Steam Control C Attemperator Spray Control C

Sootblower Control (Hi-Temp) D Turbine Bypass C

Feed Water Control B Turbine and Boiler Drain B

Materials of Construction* and Application Guide

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Face to Face Dimensions

Nominal Valve Size

HI-100 Face to Face Dimensions*

ASME Class 150 ASME Class 300 ASME Class 600 ASME Class 900 ASME Class 1500 ASME Class 2500

NPS DN in mm in mm in mm in mm in mm in mm

1/4 8 4.00 102

3/8 10 4.00 102

1/2 15 4.25 108 6.00 152 6.50 165 8.50 216 8.50 216 10.38 264

3/4 20 4.62 117 7.00 178 7.50 190 9.00 229 9.00 229 10.75 273

1 25 5.00 127 8.00 203 8.50 216 10.00 254 10.00 254 12.12 308

1 1/4 32 5.50 140 8.50 216 9.00 229 11.00 279 11.00 279 13.75 349

1 1/2 40 6.50 165 9.00 229 9.50 241 12.00 305 12.00 305 15.12 384

2 50 8.00 203 10.50 267 11.50 292 14.50 368 14.50 368 17.75 451

2 1/2 65 8.50 216 11.50 292 13.00 330 16.50 419 16.50 419 20.00 508

3 80 9.50 241 12.50 318 14.00 356 15.00 381 18.50 470 22.75 578

4 100 11.50 292 14.00 356 17.00 432 18.00 457 21.50 546 26.50 673

6 150 16.00 406 17.50 445 22.00 559 24.00 610 27.75 705 36.00 914

8 200 19.50 495 22.00 559 26.00 660 29.00 737 32.75 832 40.25 1022

*DimensionsperASMEB16.10.Valvescanbesuppliedtomeetenduserrequirements.Class4500andhigherpressurevalvesaresuppliedtomeetenduserrequirements.

RAISEDFACE

DFT® HI-100®

BUTTWELDEND

DFT®andHI-100®areRegisteredTrademarksofDFTInc. *Largersizesconsultfactory.

HI-100 Maximum Valve Flow Coefficient

Size NPS 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2

SizeDN 8 10 15 20 25 32 40

Cv (Kv) 1 (0.9) 2.5 (2.2) 4.5 (3.9) 10 (8.6) 20 (17) 31 (27) 45 (39)

Size NPS 2 2 1/2 3 4 6 8

SizeDN 50 65 80 100 150 200

Cv (Kv) 80 (69) 125 (108) 180 (155) 320 (275) 720 (621) 1280 (1103)

A A

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Closed PositionIntheclosedposition,pressuremovestheballintotheconicalseatingsurfaceandholdsitinplace.Linecontactbetweentheballandtheseatresultsinhighsurfaceloadsbetweentheseatandtheballproducingtightclosure.Aspres-sureincreases,theseatloadincreasesimprovingtheseal.Duringeachvalvestroke,theballrotatesandrepositionsitselfpresentinganewsealingsurfacetotheseat,prolongingthetightshutoffcapability.Temperaturechangesdonotaffectthetightshutoffsincethereisfreedomofmovementbetweentheballandtheseat.Theballcannotbecomewedgedintotheseat.Theguidepinisusedtosetthevalveposition.Duringnormaloperation,ithasnofunction.

Full Open PositionInthefullopenpositionastraight-thruflowpathexistsandthevalveoperateswiththeinherentlyhighflowcapacityofaventuri.Theballisfirmlyheldoutoftheflowstreambyfourinclinedpadsonthecagewhichopposethepres-suredifferentialforce.TheBernoullipressuredifferentialmovesthesuspendedparticlestowardsthecenterofthefluidstream,preventingthemfromsettlingoutintothebody.Thiskeepsthevalvecleanandfreeofmaterialdepositsinallpositionsduringthevalvestroke.

Close Throttling PositionAsthevalveopens,itoperatesintheclosethrottlingposition.Inthisposition,theballissupportedbythetwoforwardinclinedpadsonthecageandtheseatsurfacewhichopposethepressuredifferentialforcecausedbytheBernoullief-fect.Theballissupportedandstablethroughoutthevalvestrokeanddoesnotpinwheelorchatter.

Intermediate Throttling PositionIntheintermediatethrottlingposition,theballrestsonthefourcagepadsandisopposedbythesamedifferentialpressureforce.Thestablesuspensionoftheballthroughoutthevalvestrokepermitsextremelycloseandrepeatablecontrolthroughouttheentirevalvestroke.

DFT® Control Valve Operation

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BernoulliThe Bernoulli Principle Energy per unit volume at inlet = Energy per unit volume at outlet

P1 + 1/2ρv12 + ρgh1 = P2 + 1/2ρv2

2 + ρgh2

Where: P = Pressure Energy; 1/2ρv2 = Kinetic Energy; ρgh1 = Potential Energy

ThebestexampleoftheBernoulliPrincipleisoftencalledthe“BernoulliEffect”whichstatesthatfluidpressuredecreasesasfluidvelocityincreases.

Theillustrationshowsthetypicalchangeinpressureasthefluidmovesthroughthevalve.Atinlet,thepressureisP1.Velocityincreasesthroughthevalvetoamaximumasitmovesthroughthevalveport.Atthevalveport,thepres-suredropstoPVC(pressureatthevenacontracta),whichisthelowestpressureinthevalve.Asthefluidexitsthevalve,pressurerecoverstoP2whichislowerthanP1.

P1

PVC

P2

Cavitation ControlUsingtheillustrationbelow,atP1thefluidstreamisallliquid.Liquidflashesatthevalveportwhenthepressureatthevenacontracta(PVC)dropsbelowtheliquidvaporpressure.Asthevelocitydecreasesintheexitnozzle,thepressureincreases(orrecovers)toP2andthevaporbubblescollapse.Thisisknownasthepotentiallydamagingphenomenacalledcavitation.Unliketortuouspathvalves,ourcontrolvalvesmanagecavitation.Bubblesformatthelowestpressure(highestvelocity)whichisatthecenterofthefluidstream.Thesubsequentcollapseiswithinthehydraulicbarrier,notonmetalsurfaces.Ournozzledesignprovidesasmoothrecoverypriortothefluidexitingthevalve.

P1

PVC

P2

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Nomenclature

HI-100® Control Valve

GUIDERING

PACKING

GLAND

GLANDFOLLOWER

STEM

BONNETBUSHING

BONNET

BONNETSEAL

CAGE

BALL

DOWNSTREAMSEAT

DOWNSTREAMWEARBUSHING

WEARBUSHINGSEAL

SEATSEAL

BODYGUIDEPINSEAL

GUIDEPINCARTRIDGEASSEMBLY

SEATSEAL

WEARBUSHINGSEAL

UPSTREAMSEAT

UPSTREAMWEARBUSHING

FLOW

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610-363-8903800-206-4013FAX 610-524-9242

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• Straight-thru Design- solves your performance problems1. EliminatesDamage:Ouruniquenozzledesignsmoothesturbulencewhicheliminatesbody,trimandpipingdamagecausedbyhighvelocityfluidimpingementinyoursystem.

2. HandlesGreaterFlow:Sincewehavenotortuouspaththroughourvalve,ourvalveshaveahigherCvthanthatofthesamesizevalvemadebycompetitors,oftensavingyoumoney.

3. PrecisionModulation&Control:Our200:1turndownratioandlinearflowcharacteristicgivesyouprecisecontrolovertheentireoperatingrange.

• Unique Trim Design – lowers your cost of ownership1. In-LineRepair:Allstylescanberepairedin-linewithouttheneedforexpensivespecialtoolssavingyoutimeandmoney.

2. LongLife:Ourtrimdesignuseswearcomponentsatthecriticalplacesalongtheflowpathmaximizingdesignlifefortheapplication.

3. LowReplacementCosts:Ouruniqueball,cageandwearbushingdesignallowsyoutheflexibilitytoreplaceonlythewornparts,loweringyourcostofrepairsignificantlywhencomparedtoourcompetition.

• Wide Application Range- can be used in nearly any service1. ANSI150to4500:HandlesallANSIapplications,pressuresupto16,000psiandtemperaturesfrom-425°Fto1900°F.

2. Liquid,Gas,Steam,Slurry:Ournon-tortuouspathdesignhandlesliquids,gases,steam(includingmixedphaseflow),abrasivesandmanyslurryapplications.

3. Materials:StandardbodymaterialsareCarbon,AlloyandStainlessSteel.Highnickelandexoticalloysarealsoavailable–anyweldablealloythatisavailableasaforgedmaterialcanbeused.

• Venturi Nozzle Design – reduces turbulence in your piping system1. CavitationControl:Ournozzledesigncontrolscavitationandreducestheassociatednoiseandvibration.

2. ParticulateandMixedPhaseFlow:Ournozzledesignmovesparticlesandwaterdropletstothemiddleoftheflowstreamavoidingcostlydamage.

3. PreventsErosion:Ournozzledesignsmoothestheflowandreducesthepotentialforvalvebodyandpipeerosion.

• Class V Shutoff

• Actuation Theactuator(Linear:pneumatic,hydraulic,electricetc.)andaccessories(positioners,limitswitches,manualover-rides,etc.)ofyourchoicecanbemountedonthevalve.

Our Unique Venturi-Cage Valve

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ApplicationsAerospace• Air• FuelOil• Gas• HighPressureWaterwithfines• MethaneVapor

Chemical• AbrasiveSlurryControl• HotHydrogenGas• PitchBlendControl• PowerhouseApplications• SuperCriticalWaterOxidation

Government/Military Test• Air• Cryogenic• NitrogenGas• Steam• HighPressureWater

Pulp & Paper• Powerhouse• SteamControl

Power• BottomAsh• CondensateDrain• DrumEmergencyBlowdown

• DrumLevelControl• FeedwaterControl• FeedwaterRecirculation• FuelOilControl• GeothermalWaterInjection

• PowerOperatedRelief• SootBlowerControl• SprayControl(Attemperator,Reheat/Superheat)

• SteamPRV• ThermalDrain• TurbineBypass• TurbineSteamExtraction

Steel• Powerhouse

Refinery• AbrasiveSlurryControl• AmineService• Butadiene• DEA• DesulphurizationSourWater• H2S,NH3,Hydrocarbon• HydrocarbonSluicing• LevelControl• PitchBlendingControl• PlatinumCatalystSlurry• QuenchWatertoCoker• SourWater• SulfurRecoveryThrottlingValve

Pipeline• GasPlantPigging• PipelineControl

Petrochemical• HeavyOilUpgrading

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Codes & StandardsASME B16.5 –PipeFlanges&FlangedFittings

ASME B16.10 –FacetoFace&EndtoEndDimensionsofValves

ASME B16.34–Valves–Flanged,Threaded&WeldingEnds

ANSI/FCI 70-2–ControlValveSeatLeakage–HI-100®&Ultra-Trol®seattest

ANSI/ISA 75.01–FlowEquationsforSizingControlValves

ANSI/ISA 75.08.01 Face-to-FaceDimensionsforFlangedGlobe-StyleControlValve Bodies-LSV-100®

API 598–ValveInspection&Testing–Uniflo®seattest

MSS-SP 25–StandardMarkingSystemforValves,Fittings,Flanges&Unions

Sizing DFT® Control ValvesDFT®ControlValvesaresizedusingstandardISAsizingformulaeforliquid,gasandsteamapplications.

PleasecompletetheApplicationDataSheetonpage10sothatwecanspecifythepropervalveforyourapplication.AdditionalinformationconcerninganyvalvethatisbeingreplacedbyourvalvesuchastheCvofthatvalveandtheoriginaldatasheetcanbeusedtoeffectivelyspecifythepropervalveaswell.

AccessoriesThefollowingaccessoriesareavailablefortheDFT®ControlValves

ACTUATORS ACTUATOR ACCESSORIES PACKING SPECIAL TRIMPneumatic Diaphragm Air Filter Regulator Graphite Feedwater

Pneumatic Piston Air Set Teflon® (CVH) Steam

Electric Limit Switches Live Loaded Catalyst

Electro-Hydraulic Manual Override Emission Compliant Slurry

Hydraulic Positioner

Manual Solenoid

Transducer

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140 Sheree Blvd.P O Box 566Exton, PA 19341-0566



610-363-8903800-206-4013FAX 610-524-9242

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Process Data

2 ApplicationMin Normal Max Units

22 TemperatureFluid properties (if known) Units

ytisocsiV72yrtnE1112 Orientation

Valve Design Conditions Units28 Pressure29 Temperature

Process Notes

15 Seals

16.1 Air 34 PositionerSignal

16.2 Electric 35 Solenoid Type/Model/Voltage36 Limitswitch Quantity/Location

16.3 Hydraulic *Notes Type/Model/Voltagepsig

38 Gages16.4 Manual 39 Special

Notes

d ma ks of FT®

Digital/EP/Type

Actuator Accessories

Size/scheduleSize/schedule

Packing

Valve Type

Actuator

CUSTOMER:ADDRESS:

FAX:CONTACT:

EMAIL:

General

Trim

PHONE:

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® FAX OR SCAN AND EMAIL THIS COMPLETED FORM TO THE FACTORY

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DFT® ULTRA-TROL®TheDFTULTRA-TROL®ControlValvefeatureshardenedsleevesforslurryapplications.Thisstylevalveisdesignedforflangedendapplicationsandbenchreplacementoftheseatinsert.Theinternaldesignisthesamein-lineventuriflowdesignusedfortheHI-100®.Thecontrolelement,asphericalball,iscontainedbyacagewhichpositionsitrelativetothedownstreamseat.Stemtravelislinearandoperatingthrustsarelow.Theresultisexcellentcontrolintoughenvironments.Theball,cageandstemcanbereplacedin-linethroughthebottomcover.

• Straight-thrudesign• 1/2”to6”• CarbonSteel,AlloySteelStainlessandHighAlloys• ANSIRF,RTJorDINEnds• LinearCharacteristic• HardenedSleeves• Temperatures:-425°Fto1000°F• BenchRepair• Manual,Pneumatic,or Electric• LowOperatingThrust• BottomEntry

FEATURES:

Ultra-Trol Maximum Flow CoefficientSizeNPS 1/2 3/4 1 11/4 11/2 2 2.5 3 4 6

SizeDN 15 20 25 32 40 50 65 80 100 150

Cv(Kv) 4.5(3.9) 10(8.6) 20(17) 31(27) 45(39) 80(69) 125(108) 180(155) 320(275) 720(621)

Ball

Upstream Seat Liner

CageGuidePin

DownstreamSeatLiner

REPRESENTED BY

EachDFT®Inc.product iswarrantedagainstdefects inmaterialandworkmanshipforaperiodofoneyearafterbeingplacedinservice,butnotexceeding18monthsaftershipment,whentheseproductsareproperlyinstalled,maintainedandusedwithintheserviceandtemperatureandpressurerangesforwhichtheyweredesignedandmanufactured,andprovidedtheyhavenotbeensubjecttoaccident,negligence,alteration,abuse,misuseorthelike.Thiswarrantyextendstothefirstpurchaseronly.Alldefectivematerialmustbereturnedtothepersonfromwhomyoupurchasedtheproduct,transportationprepaid,freeofanyliensorencumbrancesandiffoundtobedefectivewillberepairedfreeofchargeorreplaced,atthewarrantor’sorDFT’soption.FORACOMPLETEUNDERSTANDINGOFYOURSOLEANDEXCLUSIVELEGALRIGHTSANDREMEDIES,ANDTHEPROCEDURESTOBEFOLLOWEDWITHRESPECTTOANYCLAIMS,PLEASEREFERTOTHE“LIMITATIONANDDISCLAIMEROFWARRANTIESANDLIABILITIES,”AVAILABLEONREQUESTFROM DFT. THE EXPRESS WARRANTIES SET FORTH IN THAT DOCUMENT AND THE OBLIGATIONS AND LIABILITIES OF DFT THEREUNDER AREEXCLUSIVEANDAREEXPRESSLYINLIEUOFALLOTHERWARRANTIES,EXPRESSORIMPLIED,INCLUDINGWITHOUTLIMITATION,THEWARRANTIESOFMERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE,ANDALLOTHEROBLIGATIONSANDLIABILITIESOFDFT. IT ISUNDERSTOODTHATTHEREARENOWARRANTIESWHICHEXTENDBEYONDTHEDESCRIPTIONOFTHEEXPRESSTERMSINTHE“LIMITATIONANDDISCLAIMEROFWARRANTIESANDLIABILITIES.”UNDERNOCIRCUMSTANCESSHALLDFTBELIABLEFORANYCONSEQUENTIAL,INCIDENTAL,ECONOMICAL,DIRECT,INDIRECT,GENERALORSPECIALDAMAGES,EXPENSESORLOSSESRELATINGTOANYBREACHOFWARRANTIES.Itisexpresslyunderstoodandagreedthatunlessastatementisspecificallyidentifiedinthisbrochureasawarranty,thestatementsmadehereinrelatingtoDFT’sproductsarenotexpresswarranties,butaremerelyforinformational,illustrativeandidentificationpurposesonly.

Warranty

Benefits of DFT® Control ValvesCompact Size & Straight-thru Design • Easiertoinstall • Designprovidessmoothflowtransitionsthroughvalvebecausefluiddoesnothavemultiplerightangleturns.

• Astraightthroughflowpathislessturbulentanditwillnotclogfromsolidparticles.Italsoleadstonon-turbulentpressurerecovery.

Modulating Control• Designoffersbettermodulatingcontrolthananyothercontrolvalveonthemarkettoday.

High Flow Capacity and Larger Cv’s • 2-3timestheflowcapacityofnominalsizecontrolvalves.

Low Leakage and Tight Metal-to-Metal Sealing •PerAPI598and/orFCI70-2ClassV

Low Cost of Spare Parts and Quick Change Trim• TheDFTHI-100isserviceablein-linewithoutspecialtools.A1”valvecanbeservicedinlessthan2hours.

Low Actuator Cost • DFTHI-100isposition-seateddesign.Globevalvesareforceseated.Therefore,lessactuatorforcesarerequiredtooperatevalveandthereforeallowstheuseofsmaller,lessexpensiveactuatorpackages.

Prevents sediment build-up with Self-purging Design • Duetotheventuriflowpathandresultingincreaseinvelocity,thebodycavitiesarepurgedpreventingsedimentbuildupwithinvalvebody.Thisoccursduetoavacuumingeffect.

Printed in U.S.A. Copyright2016,DFT Inc.,All RightsReserved HI-100Rev.01-2016

®

Documents

Control Valves for Severe Service Applications€¦ · Control Valves for Severe Service Applications DFT ... The HI-100® Control Valve features an in-line straight-thru venturi