Designation:D7650−13StandardTestMethodforSamplingofParticulateMatterinHighPressureHydrogenusedasaGaseousFuelwithanIn-StreamFilter1ThisstandardisissuedunderthefixeddesignationD7650;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisprimarilyforsamplingparticulatesinhydrogenfuelusedinhydrogenfuelcellvehiclesorgaseoushydrogenpoweredinternalcombustionvehicleenginesuptopressuresof70MPa(700bars)usinganin-streamfilter.Thistestmethoddescribessamplingapparatusdesign,operatingprocedures,andqualitycontrolproceduresrequiredtoobtainthestatedlevelsofprecisionandaccuracy.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exception—In7.1and10.1.1thevaluesstatedinpsiareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D7651TestMethodforGravimetricMeasurementofPar-ticulateConcentrationofHydrogenFuel2.2SAEStandards:3SAEJ2719HydrogenFuelQualityforFuelCellVehiclesSAEJ2600CompressedHydrogenSurfaceVehicleRefuel-ingConnectionDevices2.3ISOStandard:4ISO/CD14687–2Hydrogenfuel—ProductSpecification—Part2:Protonexchangemembrane(PEM)fuelcellapplicationsforroadvehicles.2.4EUStandard:597/23/ECPressureEquipmentDirectiveoftheEUsetoutthestandardsforthedesignandfabricationofpressureequipment2.5DINStandard:6DINEN12266-1Industrialvalves-Testingofmetallicvalves-Part1:Pressuretest,testproceduresandaccep-tancecriteriaMandatoryRequirements2.6APIStandard:7API598ValveInspectionandTesting3.Terminology3.1Acronyms:3.1.1FCV—HydrogenFuelCellVehicle.3.1.2HQSA—Hydrogenqualitysa...
