GBT 42536-2023 车用高压储氢气瓶组合阀门(英文版).docx
ICS27.010FOl3NationalStandardofthePeople,sRepublicofChinaGBT425362023AssemblyvalveonhighpressurehydrogenstoragecylinderforvehiclesIssuedon23-05-2023Implementedon01-06-2024PromulgatedbyStateAdministrationforMarketRegulationStandardizationAdministrationofthePeople,sRepublicofChinaTableofContentsForewordII1 Scope12 NormativeReferences13 TermsandDefinitions24 Basicmodel25 TechnicalRequirements36 TestMethodsandQualificationCriterions57 Inspectionregulations218 1.abeling,packaging,transportationandstorage259 Productqualificationcertificateandbatchinspectionqualitycertificate26AnnexA(Informative)CalculationMethodofThreadShearStressSafetyFactor.27AnnexB(Informative)PerformanceTestMethodandQualificationCriterionofSealsforAssemblyvalves32AnnexC(Informative)AirTightnessTestMethod(vacuumchambermethod)35ForewordThisstandardisdraftedinaccordancewiththerulesgivenintheGB/T1.1-2020,GuidelinesforstandardizationPart1:structureandpreparationofstandards.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisstandardmaybethesubjectofpatentrights.Theissuingbodyofthisdocumentshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisstandardwasproposedandpreparedbyNationalStandardizationTechnicalCommitteeofGasCylinders(SACTC31).DraftingentitiesofthisStandard:ChinaSpecialEquipmentInspectionandResearchInstitute,DalianBoilerandPressureVesselInspectionandTestingResearchInstituteCo.,1.td.,ZhejiangUniversity,WeishiEnergyTechnologyCo.,1.td.,ShanghaiSunhuaNewEnergySystemCo.,1.td.,HefeiGeneralMachineryResearchInstituteCo.,1.td.,ZhangjiagangFuruiValveCo.,1.td.,ShanghaiInstituteofSpecialEquipmentInspectionandTechnicalResearch,BeijingTianhaiIndustrialCo.,1.td.,NingboJinjiajiaValveCo.,1.td.,TehiHydrogenEnergyTesting(Baoding)Co.,1.td.MaindraftersofthisStandard:BoKe,GuChunlin,1.iuYan,WangDongyu,GuChengjie,HuangQianghua,ZhangBaoguo,XuPing,JinXin,1.uJun,XuPeng,Sun1.i,1.iXiang,1.iQian,ZhaoBaodi,WangWei,XuDiqing,ZhangYan,GaoWei.Assemblyvalveonhighpressurehydrogenstoragecylinderforvehicles1 ScopeThisdocumentspecifiesthebasicmodel,technicalrequirements,testmethodsandqualificationcriterion,inspectionrules,marking,packaging,transportation,storagerequirements,etc.ofassemblyvalveonhighpressurestoragehydrogencylinderforvehicles(hereinafterreferredtoasassemblyvalve).Thisdocumentappliestotheassemblyvalveonhighpressurehydrogenstoragecylinderforvehicles,withthenominalworkingpressurenotgreaterthan70MPa,theworkingtemperatureis-40°C85°C,fixedontheroadvehiclesusedasfueltanks.Thetypetestofthetemperature-drivensafetypressurereliefdeviceforhigh-pressurehydrogenstoragecylindersusedinvehiclescanbecarriedoutwithreferencetothisdocument.2 NormativeReferencesThefollowingdocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditiondatedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.GB/T192Generalpurposemetricscrewthreads-BasicprofileGB/T196GeneralpurposemetricscrewthreadsBasicdimensionsGB/T197Generalpurposemetricscrewthreads-TolerancesGB/T223MethodsforChemicalAnalysisofSteelandAlloysGB/T228.1MetallicMaterials-TensileTesting-Part1:MethodofTestatRoomTemperatureGB/T229Metallicmaterials-CharpypendulumimpacttestmethodGB/T1220StainlesssteelbarsGB/T3191ExtrusionrodsandbarsofaluminumandaluminumalloysGB/T3934GaugesforGeneralPurposeScrewThreadsGB/T7762-2014Rubber,VulcanizedorThermoplastic-ResistancetoOzoneCracking-StaticStrainTestingGB/T7999OpticalemissionSpectronietricanalysismethodofaluminumandaluminumalloysGB/T8337FusibleplugdeviceforgascylindersGB/T11170Stainlesssteel-Determinationofmulti-elementcontents-SparkdischargeatomicemissionSpectrometricmethod(Routinemethod)GB/T13005TerminologyofgascylindersGB/T15382GeneralspecificationsofgascylindervalvesGB/T20668UnifiedscrewthreadsBasicdimensionsGB/T20975MethodsforchemicalanalysisofaluminumandaluminumalloysGB/T32249Aluminumandaluminum-aloydieforgings,handforgingsandrolledringforgingsGeneralspecificationGB/T34542.2Storageandtransportationsystemsforgaseoushydrogen-Part2:TestmethodsforevaluatingmetallicmaterialcompatibilityinhydrogenGBZT34542.3Storageandtransportationsystemsforgaseoushydrogen-Part3:Testmethodfordeterminationofthesusceptibilityofmetallicmaterialstohydrogengasembrittlement(HGE)GB/T37244FuelSpecificationforProtonExchangeMembraneFuelCellVehicles-HydrogenYS/T479Aluminumandaluminumalloyforgingsforgeneralindustrialuse3 TermsandDefinitions3.1 TermsanddefinitionsInadditiontothoseestablishedinGB/T13005,thefollowingtermsanddefinitionsareapplicabletothisDocument.3.1.1 AssemblyvalveonhighpressurehydrogenstoragecylinderforvehiclesAvalvethatconsistsofmanualshut-offvalve,automaticshut-offvalve,checkvalve,thermally-activatedpressurereliefdevice(TPRD),temperaturesensorandothercomponentsandisinstalledonhighpressurehydrogenstoragecylinderforvehicles.3.2 SymbolsThefollowingsymbolsapplytothisDocument.P-Nominalworkingpressureoftheassemblyvalve.4 Basicmodel4.1 Theassemblyvalveshallincludemanualshut-offvalve,automaticshut-offvalve,checkvalve,TPRD,temperaturesensorandothercomponents.4.2Themarkingofacylindervalvemodelshallbecomposedofthefollowingparts:CQZF-I设计序号额定电乐公称工作伍力车用高乐储然气瓶缄合脚门DesignserialnumberRatedvoltageNominalworkingpressureAssemblyvalveonhighpressurehydrogenstoragecylinderforvehiclesExample:Foranassemblyvalveonhighpressurehydrogenstoragecylinderforvehicleswithanominalworkingpressureof35MPa,aratedvoltageof12VandadesignserialnumberofI,themodelismarkedasCQZF-35-12-1.5 TechnicalRequirements5.1 Materialrequirements5.1.1 Metallicmaterials5.1.1.1 Themainpartsandmaterialsofassemblyvalves(valve,valvestemandotherpressureparts)shouldhavetheoriginalqualitycertificateprovidedbythematerialmanufacturer,oracopyofthequalitycertificatewiththeofficialsealofthematerialbusinesscompanyandthesignature(seal)ofthepersonincharge.5.1.1.2 Thematerialofthemainpartsoftheassemblyvalveshouldhavegoodcompatibilitywithhydrogenandmeettherequirementsofthecorrespondingmaterialstandards.5.1.1.3 Themainpartsandcomponentsoftheassemblyvalveshouldbemadeof6061aluminumalloyorS31603austeniticstainlesssteel.6061aluminumalloyextrudedrodsshallcomplywiththeprovisionsofGB/T3191,andforgingsshallcomplywiththeprovisionsofGB/T32249orYS/T479.S31603austeniticstainlesssteelbarsshallcomplywiththeprovisionsofGB/T1220,andforgingsshallcomplywiththeprovisionsofNB/T47010.TheNicontentofS31603austeniticstainlesssteelshouldbenotlessthan12%,andthesectionshrinkagerateshouldnotbelessthan70%;forparts,materialswithastressvaluegreaterthan25%ofguaranteedvalueoftensilestrengthunder1.25timesthenominalworkingpressure,shouldalsosatisfythattheNiequivalentisnotlessthan28.5%(Niequivalentcalculationformulais:Nig=12.6C+0.35Si+1.05Mn+Ni+0.65Cr+0.98Mo).5.1.1.4 Forassemblyvalveswithanominalworkingpressuregreaterthan40MPa,ifthemainpartsaremadeofmaterialsotherthan6061aluminumalloyandS31603austeniticstainlesssteel,thehydrogencompatibilitytestandhydrogenbrittlesensitivitytestshallbecarriedoutaccordingtotheprovisionsof6.1.3and6.1.4.5.1.2 Non-metailicsealmaterials5.1.2.1 Non-metallicsealmaterialsshouldhavetheoriginalqualitycertificateprovidedbythematerialmanufacturer,oracopyofthequalitycertificatewiththeofficialsealofthematerialbusinesscompanyandthesignature(seal)ofthepersonincharge.Thequalitycertificateshouldincludethehardness,tensilestrength,elongationatbreak,etc.ofthenon-metallicsealmaterial.5.1.2.2 Non-metallicsealsshouldbemadeofmaterialswithgoodcompatibilitywithhigh-pressurehydrogen,andthepropertiesofthesealmaterialsshouldmeettherequirementsof6.7.5.2 Designandfabric5.2.1 Theassemblyvalveusedonhigh-pressurehydrogenstoragecylindersforvehiclesthatcannotbedisassembledduetothestructuraldesignofthevehiclebodyhasadesignservicelifeofnotlessthan15years;theassemblyvalveusedonhigh-pressurehydrogenstoragecylindersforothervehicleshasadesignservicelifeofnotlessthan6years.5.2.2 Theassemblyvalveshouldhavethefollowingfunction:a) One-waycut-offfunction,whenthepowerisnoton,hydrogencanbefilledintothecylinderthroughtheassemblyvalveinonedirection,andatthesametime,thegasinthecylindercanbepreventedfromflowingoutinreverse;b) Safetypressurerelieffunction,inspecialcasessuchasfire,thegasinthecylindercanbeautomaticallyreleasedthroughtheassemblyvalveTPRD;c) Temperaturemonitoringfunction,whichcanmonitorthegastemperatureinsidethecylinder;d) Manualopeningandclosingfunction,thevalvecanbeopenedorclosedbymanualoperation;e) Automaticopeningandclosingfunction,thevalvecanbeopenedorclosedbyelectricsignal.5.2.3 Assemblyvalveshouldcarryoutfiniteelementstressanalysis.Under2.5timesthenominalworkingpressure,thestressofeachpartofthevalveshouldnotbegreaterthantheguaranteedvalueoftheyieldstrengthofthevalvematerial.5.2.4 ThethreadspecificationsoftheinletandoutletportsofassemblyvalvesshalladoptstraightthreadsinaccordancewithGB/T192,GB/T196,GB/T197orGB/T20668,orotherthreadsinaccordancewiththecorrespondingstandards.5.2.5 Theassemblyvalvethreadshouldbecheckedforstrength,andtheshearstresssafetyfactorofthethreadat1.5timesthenominalworkingpressureshouldnotbelessthan4.ThecalculationmethodofthreadshearstresssafetyfactorshallbecarriedoutinaccordancewithAnnexA.5.2.6 Fusiblealloysorglassbubblesshouldbeusedforsafetypressurereliefdevices,andtheoperatingtemperatureis(110÷5)°C.Fusiblealloysandglassbubblesshouldcomplywiththestandardsforsafetypressurereliefdevicesforgascylinders.Thesafetypressurereliefchanneloftheassemblyvalveshouldbeindependentandshouldnotbeconnectedwithotherfunctionalchannels.Onlyonesafetypressurereliefdevicecanbeinstalledoneachsafetypressurereliefchannel.5.2.7 Thevalveshouldbeforgedandformed,andthereshouldbenodefectssuchascracks,wrinkles,inclusions,looseness,andshrinkagecavities.5.2.8 O-ringsshouldbetestedaccordingtotheprovisionsofB.3inAnnexBbeforeselected.Thecompressionsettest,hardnesschangetest,hydrogendamagetestandtemperatureshrinkagetestshouldbecarriedoutbytheO-ringmanufacturerandtestreportsshouldbeprovided.6 TestMethodsandQualificationCriterions6.1 Mainpartsmetalmaterialtest6.1.1 Mechanicalpropertiestest6.1.1.1 TestmethodsTensiletestspecimensandtestmethodsformaterialsofmainpartsandcomponentsshallbecarriedoutinaccordancewiththeprovisionsofGBT228.1,impacttestspecimensandtestmethodsshallbeinaccordancewithGB/T229(exceptforaluminumalloymaterials).6.1.1.2 QualiflcationCriterionsThetestresultsshallmeettherequirementsofmaterialstandardsanddesign.6.1.2 Chemicalcompositionanalysis6.1.2.1 AnalyticalmethodThechemicalcompositionanalysisof6061aluminumalloyiscarriedoutinaccordancewithGBT7999orGBT20975,andthechemicalcompositionanalysisofS31603austeniticstainlesssteeliscarriedoutinaccordancewithGBT223(allparts)orGBT11170.Whenothermaterialsareused,thechemicalcompositionanalysisofthemshallbecarriedoutinaccordancewiththecorrespondingnationalstandards.6.1.2.2 QualificationCriterionsTheanalyticalresultsshallmeettherequirementsofmaterialstandardsanddesign.6.1.3 Hydrogencompatibilitytest6.1.3.1 TestmethodsThedeterminationoftensileproperties,fatiguepropertiesandfracturemechanicalpropertiesofmaterialsinhydrogenshouldmeettherequirementsofGB/T34542.2.6.1.3.2 QualificationcriterionsThetestresultsshallmeettherequirementsofmaterialstandardsanddesign.6.1.4 Hydrogenbrittlesusceptibilitytest6.1.4.1 TestmethodsThehydrogenbrittlesusceptibilitytestshallbecarriedoutaccordingtoGBT34542.3.6.1.4.2 QualificationcriterionsThetestresultsshallmeettherequirementsofmaterialstandardsanddesign.6.2 Visualinspection6.2.1 TestmethodTheappearanceofvalvebodyshallbeinspectedvisually.6.2.2 Qualificationcriterionsa) Thereshouldbenodefectssuchascracks,wrinkles,inclusions,looseness,shrinkagecavities,etc.onthesurfaceofthevalve;b) Thethreadshouldbesmooth,andinvertedteeth,flatteeth,doublelines,flatteethbottoms,cusps,wideteeth,andobviousjumpingripplesonthethreadsurfacearenotallowed.6.3 Threadinspection6.3.1 TestmethodCheckwithagaugethatcomplieswithGBT3934orthecorrespondingstandard.6.3.2 AcceptanceindicatorsThecheckresultsshouldmeetthefollowingrequirements:a) Thenumberofeffectivepitchesandsurfaceroughnessofthethreadshallmeetthedesignrequirements;b) Theteethprofile,sizeandtoleranceofthethreadshallcomplywithrelevantstandards.6.4 Airtightnesstest6.4.1 TestmethodInaccordancewiththeprovisionsofAnnexC,theairtightnesstestshallbecarriedoutundernormaltemperatureconditionsat(2±0.5)MPaandapressurenotlowerthan1.25p,andthetestmediumshallbepurehelium.Accordingtothestructureoftheassemblyvalve,theinternalleakageandexternalleakagetestsarecarriedoutrespectively.6.4.2 QualificationCriterionsHeliumleakagerateshouldnotexceed7.5m1.h.6.5 TPRDtest6.5.1 Hydrogencycletest6.5.1.1 TestmethodUsehydrogentoperform15,000pressurecycleson5TPRDsandthecyclefrequencyshouldnotexceed10times/min.ThetestrequirementsareshowninTable1.Table1HydrogencycletestmethodCyclepressureCycletimes/timesTesttemperature,C1.owerlimitUpperlimit(2±l)MPa1.5p(±lMPa)585(2±l)MPaI.25p(±IMPa)149585(2±l)MPa1.25p(±lMPa)950055±56.5.1.2QualificationCriterionsAfterthehydrogencycletest,theTPRDshouldmeettherequirementsof6.5.9leaktest,6.5.10actiontestand6.5.11flowtest.6.5.2 Acceleratedlifetest6.5.2.1 TestmethodTheteststepsareasfollows.a) Carryoutthisteston8TPRDs,amongwhichthetesttemperatureof3TPRDsistheoperatingtemperature®41,andthetesttemperatureoftheother5TPRDsistheacceleratedlifetemperature1/*,thecalculationformulaisasfollows:6.5.2.26.5.36.5.3.16.53.26.5.4T/0.50210.498-1Intheformula,takes273.15,UatakeS85,%ctakes110.b) PuttheTPRDinanincubatororawaterbath,andthetemperaturetoleranceinthetestis÷loC.c) ThepressureofhydrogenorinertgasattheinletofTPRDshouldnotbelowerthan1.25p.ThepressuresourcecanbelocatedoutsidetheincubatororwaterbathandpressurizetheTPRDwithasingleorbranchpipingsystem.Ifabranchpipingsystemisused,eachbranchpipingshallcontainacheckvalve.QualificationCriterionsTheTPRDactiontimetestedundershouldnotexceed10h.TheTPRDtestedunder*Mshouldnotactwithin500h,andtheTPRDafterthetestshouldmeettherequirementsof6.5.9leaktest.TemperaturecycletestTestmethodTheteststepsareasfollows.a) PutaTPRDwithoutinternalpressureinaliquidwithatemperaturelessthanorequalto-40foratleast2hours,thentransferittoaliquidwithatemperaturegreaterthanorequalto85within5minutes,andletitstandatthistemperatureatleast2h,afterwhichtransfertheTPRDtoaliquidatatemperaturelessthanorequalto-40within5minutes;b) Repeatstepa)tocomplete15cycles;c) PuttheTPRDinaliquidwithatemperaturelessthanorequalto-40foratleast2hours,andthenusehydrogentoperfo11n100pressurecyclesontheTPRDatanambienttemperaturelessthanorequalto-40.Thelowerlimitofthepressurecycleshouldnotexceed2MPa,andtheupperlimitofthepressurecycleshouldnotbelessthan0.8p.QualificationCriterionsAfterthetemperaturecycletest,theTPRDshallmeettherequirementsof6.5