rCopynghtAmencanPetroloumcircumstances,local,state,andfederallawsandpublicationsisvoluntary.Insomecases,thiNeitherAPInoranyofAPI'semployees,subcontractors,consultants,committees,ormakeanywarrantyorAPInoranyofAP'semployees,subcontractors,consultants,orotherassigneeshavingjurisdictionwioperatingpracticedoesnotrepresent,warrant,orguabusiness,scientific,engineermeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromContactthepublisher,APIPublishingServices,200MassachusettsAvenue,NW,Suite1100,Washington,DC20001.otherwise,forthemanufacture,sale,orusepatent.NeithershoulStandards,AmericanPetroleumInstiascertainedfromtheAPIStandardsDepartment,telephone(2 1 2 3 4 4 22 26 26 27 27 34 8TestingandInspection 35 40 52 5 5 6 7 8 9 208WearTravelforGateValves 22 23 24 28 40 41 45 48 Thisstandardspecifiestherequirementsforaser—8,10,15,20,25,32,40,50,65,80,and-'/4,3/e,'/2,34,1,1'/4,1'/2,2,2'/2,3,and4;—outsidescrewwithrisingstems(OSandY),insizes8≤DN≤100(/4≤NPS≤4)—insidescrewwithrisingstems—socketweldingorthreadedends,insizes8≤DN≤65(/4≤NPS≤2'/2)andpressure—flangedorbutt-weldingends,insizes15≤—bonnetjointconstruction—bolted,welded,andthreadedwithsealwe—extendedbody,insizes—bellowsstemseal,insizes8≤DN≤50(/4≤NPS≤2)and—bellowsstemsealtestingrequ—standardandfull-borebodyseato2APISTANDABD602Thefollowingreferenceddocumentsareindispensablefortheapplicatidocument(includinganyamendmeAPIStandard624,TypeTestASMEB1.13M,MetricScrewThreads:MProfASMEB1.20.1,PipeThreads,GeneralASMEB16.11,ForgedFittings,Socket-weldingandThreadedASMEB16.34,Valves-Flanged,ThreadedandWeldingEnd ASMEBoilerandPressureVesselCode(BPVC),SectiASTMA217,2StandardSpecificationforSteelCastings,MartensiticStainlessandAlloy,forPressure-ContainingParts,Suitable4APISTANDABD6024Pressure/TemThepressure/temperatureNotallmaterialscontTable2c,Table2d,Table2e,and A105ab,A350LF2a,A350LA352LCB,A217WC1efs,A352LCA182F11Cl.2fiA182F9A182F12Cl.2fi,A182F5A182F3041,A182F30A351CF3k,A351CF8,A351CFA182F304Lk,A182F316L,AA182F3479,A182F347H,A6APISTANDARD602一一—一一一aUponprolongedexposuretotemperaturesabove42tographite.Permissible,butnotrecommendedforprolongeduseabeUponprolongedexposuretotempermolybdenumsteelmaybeconvertedtographite.Permissible,butnotrecommen470℃(875°F).fusenormalizedandtempiPermissible,butnotrecommendedforprolongeduseabove595℃( IAttemperaturesover538'AttemperaturesovmThissteelmaybecomebrittleafterserviceatPNottobeusedover675℃(1strengthatroomtemperaturesafrApplicationabove620℃(1150F)islimitedtotubingofmaximumoutsiandManganese(Mn)maybeaddedforde11一一一一一8APISTANDARD602一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一 一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一 一一一一一一一一一一一一一一一一一一一一一一一一一一一12一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一 一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一—一一一一一一一一一一一一一一一一一一一一一一一一一一一一14useofapressureratingcorres4.2.2Restrictionsoftemperatureandpr4.2.3FortemperaturesASMEB31.3andAflange).5.2.2Theminimumaccountsuchfactorsasbonnetb 8123481234Table5—MinimumWallThicknessfor84.3(0.17)4.1(0.16)4.8(0.19)4.8(0.19)234thicknessdeterminationshallbeAnnexB.3. 5.3.5Thebonnetminimumwallthicknessforgateorglin.).Socket-welding-endpreparation,includingtheinternalendsothreadedendvalveisconvertedtoasocket-weldendvsocket-weldingendsshallbeinaccordancewithASMTable6—MinimumWallThicknessfor4.0(0.16)4.8(0.19)4.3(0.17)4.3(0.17)4.4(0.17)4.1(0.16)4.7(0.19)4.1(0.16)4.5(0.18)4.6(0.18)4.9(0.19)NOTEForbellowsenclosures,seeAnnexC.4.thicknessatthethreadedendshallbeTheendthreadsshallbetaperpipethThreadsshallbegaugedinaccordancewithAEnd-to-enddimensionsforthEndflangesshallcomplywisurfaces,outsidediameter,thickness,anddrilling)ofASMEB16.5.Unlessotherwisespecifiedpurchaser.WhenaflangeiGATE,GLOBE,ANDCHECKVALVESFORSiZESAlignmentrings(centeringbackinThefinalwallthicknessoftheflThefinishedwincompletepenetration.Thefinishedweldshallbeground,contouredsurface,andhaveasurfacefiaccordancewitheitherATable7andASMEB16.25forjoinmanufacturerunlessspecificallyForweldingstubendstoavalvebo20APISTANDARD602±0.4mm(±0.015in.)forDN<40(NPS<1%)andWhereseparateseglobeandit-typecheckvalves,rolledor —threadedwithasealwe—threadedunionnut,prov5.5.2Gasketedjointsshallbeofadesigofheavyoils,grease,andsealingcompoun18-8stainlesssteelornickelalloywintemperaturerangeof-29℃to427℃(-20Fto800°F).3/8in.Standardinchseriesboltingthreadused,theyshallmeetclass6H(internal)orclass6G5.5.6Boltedbonnetandaccordancewiththerequirementsforvalveotherwisespecifiedbytherequiredwallthicknessofthevalv5.5.8Theweldingoperatorandweldingprocedurequalifications,heattreatmea)sealweldsofP4,P5A,and22APISTANDARD602Thewedgegatravel.WeartravelisinadirectionparaGlobevalvesshalWhenassembled,theglobeva theirtravel.Theguideandclosureel5.7.1Stemdesignshallbeoutsidclass≤800inthenomi812一一3一424APISTA81一2一一3一4Thestemthreadbecomingdisengagedfromthewedgwedge/disc,thestemshallhave 5.9.5Valvesshallbequal26APISTANDARD60281234throughtwoholesinaglan GATE,GLOBE,ANDCHECKVALVES6.1.2Trimsoffreemachiningmaterials,e.g.,13CrsCN101,104,105,106,107,and108.Co28APISTANDARD6022A35134A276-T410or5AWSA5.13E67A5.98AWSA5.13E9Ni-CualloyGATE,GLOBE,ANDCHECKVALVESNi-Cualloy30APISTANDARD602A494CuC)A494CuC)TypebNOTECr=Chromium;Ni=Nickel;Co=Cobalt;Cu=Copper;NA=NotApaHB(formerlyBHN)isthesymbolfortheBrinefCasehardnessbynihManufacturer'sstandardhardfacingwitha'HardnessdifferentialbetweenthebokManufacturer'sstandardwiresistanceandpressuretem32APISTANDARD6026.1.4Whenhardfacingoranov85orcastings.Allrepairweldingsconflict,therequirementsofthepresen—pressureclassdesignation—nominalsize(NPSorDN)[e.g.,twBonnetextension,belCarbonsteelstainlesssteel,ortherecommendedboltinBolting:glandandyoThebasematerialoftheseatring,compositionequaltothebody34APISTANpurchaser(seeAnnexF).Bonnetnuts;welded,andthreaded,andsealweldedbonnets;andbfortheappropriatematerialgroup.Freeb)pressureclassdesi—pressureclassdesignation(e.g.,clas—manufacturer'sidentificationnumber(e.g.,catalognumb—limitingtemperature,ifappl—limitingpressure,if bonnetisfabricatedbyweldingorsealwelding,—thematerialgradedesignationfortheextensionrelieved;"SA"whensolutionannealed;“A”whenannealed;"N"when9.3Exceptforcorr9.4Protectivecoversorcapsofwood,w36APISTANDABD6029.7WhenspecialThisannexspecifiesdesithebodyofthisstandard,constitutetherequirementsizes20≤DN≤50(3/4≤NPS≤2). 4.8(0.19)1240APISTANDARD602a)IntegrallyReinforcedEndforWel一'?4.8(0.19)12 1242APISTANDABD602serviceconditions,heattreatmentfollowingweldinincompletepenetration.Thefinishedweldshallcontouredsurface,andhaveasValvesthathavevalvebodieswThisannexspecifiesdesign,materialsglobevalveshavingbellowsstemseals.Tsizes15≤DN≤meetthefugitiveemissionbuckleorcomeintorubbin44APISTANDARD602ontheidentificatioofeitherthebodyminimumwallconsideringtheentirematerialtemperaturerange,themchangeinbellowsmateC.5.5AbellowsvalveshaAlloy400AlloyC22qualifiedweldingoperatorsusingq46APISTANDABD602spectrometerleakagetestingdevicehC.7.3Whenwaterisusedasthetesingateorglobevalvesinaccordancewiththiexamination,andaccecontainedfluidfromescapingintothtestingincludesbothambient-temperatureandhigh-48APISTANDARD602(100F).(800F)orthemaximumbellowspressure,ataminimum,equaltothe Acceptanceofthebello