【英文标准名称】:Roadvehicles-Compressednaturalgas(CNG)refuellingconnector-Part2:20MPa(200bar)connector,size2
【原文标准名称】:道路车辆.压缩天然气(CNG)补给燃料连接器.第2部分:尺寸为2的20MPa(200bar)连接器
【标准号】:ISO14469-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC22
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车燃料;压缩气体;连接器;耦合;定义;耐久性;紧固件;漏斗罩;加燃料油;作标记;摩托车;天然气;喷嘴;护罩;插孔;加添油;道路车辆;规范(验收);阀门;运载工具
【英文主题词】:Automotivefuels;Compressedgas;Connectors;Coupling;Definition;Definitions;Durability;Fasteners;Fillercaps;Fuelling;Marking;Motorvehicles;Naturalgas;Nozzles;Protectivecaps;Receptacles;Refuelling;Roadvehicles;Specification(approval);Valves;Vehicles
【摘要】:ThispartofISO14469appliestocompressednaturalgas(CNG)vehiclenozzlesandreceptacles,constructedentirelyofnew,unusedpartsandmaterialsforwhichthereisademand,inparticularforlargeCNGurbanbusesofrefuellingtimesequivalenttothoseofurbanbusesdrivenbyconventionaldieselengines.Theproposedconnector,size2,offersalargercrosssectionthantheconnectorinaccordancewithISO14469-1and,therefore,permitsrefuellingofthevehicleswithinsignificantlyshortertimeperiods.Studieshaveshownthattheproposedconnector,size2,offersmorethantwicethemassflowoftheconnectorsspecifiedinISO14469-1.CNGfuellingconnectionnozzlesconsistofthefollowingcomponents,asapplicable:--receptacleandprotectivecap(mountedonvehicle)(seeClause7);--nozzle(seeClause5).ThispartofISO14469appliesonlytodeviceswhichhaveaservicepressureof20MPa[referredtoasC200receptacle,see9.2c)].ThispartofISO14469appliestodeviceswithstandardizedmatingcomponents(see5.8and7.7).ThispartofISO14469appliestoconnectorsthat--preventnaturalgasvehiclesfrombeingfuelledbydispenserstationswithservicepressureshigherthanthevehicle,and--allownaturalgasvehiclestobefuelledbydispenserstationswithservicepressuresequaltoorlowerthanthevehiclefuelsystemservicepressure.ThispartofISO14469isapplicabletocompressednaturalgasinaccordancewithISO15403.AllreferencestopressuresthroughoutthispartofISO14469areconsideredtobegaugepressuresunlessotherwisespecified.Theselectionoftheappropriatestandardizedconnectorisagreedbetweenthevehiclemanufacturerandthecustomer.
【中国标准分类号】:T13
【国际标准分类号】:43_060_40
【页数】:24P;A4
【正文语种】:英语