SAE AS85049/69 Connector Accessories, Electrical, Adapter, Shrinkboot, Category 5 (MIL-DTL-38999 Series III and IV Conne

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【英文标准名称】:Microscopes;oculars,fittingdimensions
【原文标准名称】:显微镜.目镜.连接尺寸
【标准号】:DIN58881-1956
【标准状态】:作废
【国别】:德国
【发布日期】:1956-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:显微镜;光学;目镜;尺寸
【英文主题词】:oculars;microscopes;dimensions;optics
【摘要】:
【中国标准分类号】:N32
【国际标准分类号】:7070
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:NationalFuelGasCode
【原文标准名称】:国家燃油气体标准
【标准号】:ANSI/NFPA54-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accidentprevention;Definitions;Fuelgases;Gascircuits;Gasinstallations;Gaseousfuels;Maintenance;Materialsspecification;Pipingsystem;Production;Protectionagainstdanger;Safetyrequirements;Surveys;Testing
【摘要】:1.1Scope.1.1.1Applicability.1.1.1.1Thiscodeisasafetycodethatshallapplytotheinstallationoffuelgaspipingsystems,appliances,equipment,andrelatedaccessoriesasshownin1.1.1.1(A)through1.1.1.1(D).(A)Coverageofpipingsystemsshallextendfromthepointofdeliverytotheapplianceconnections.Forotherthanundilutedliquefiedpetroleumgas(LP-Gas)systems,thepointofdeliveryshallbeconsideredtobetheoutletoftheservicemeterassemblyortheoutletoftheserviceregulatororserviceshutoffvalvewherenometerisprovided.ForundilutedLP-Gas,thepointofdeliveryshallbeconsideredtobetheoutletofthefinalpressureregulator,exclusiveoflinegasregulators,inthesystem.(B)Themaximumoperatingpressureshallbe125psi(862kPa).ExceptionNo.1:Pipingsystemsforgasairmixtureswithintheflammablerangearelimitedtoamaximumpressureof10psi(69kPa).ExceptionNo.2:LP-Gaspipingsystemsarelimitedto20psi(140kPa),exceptasprovidedin5.5.2.(C)Requirementsforpipingsystemsshallincludedesign,materials,components,fabrication,assembly,installation,testing,inspection,operation,andmaintenance.(D)Requirementsforappliances,equipment,andrelatedaccessoriesshallincludeinstallation,combustion,andventilationairandventing.1.1.1.2Thiscodeshallnotapplytothefollowingitems(referencestandardsforsomeofwhichappearinAnnexM):(1)PortableLP-Gasappliancesandequipmentofalltypesthatarenotconnectedtoafixedfuelpipingsystem(2)Installationoffarmappliancesandequipmentsuchasbrooders,dehydrators,dryers,andirrigationequipment(3)Rawmaterial(feedstock)applicationsexceptforpipingtospecialatmospheregenerators(4)Oxygenfuelgascuttingandweldingsystems(5)Industrialgasapplicationsusingsuchgasesasacetyleneandacetyleniccompounds,hydrogen,ammonia,carbonmonoxide,oxygen,andnitrogen(6)Petroleumrefineries,pipelinecompressororpumpingstations,loadingterminals,compoundingplants,refinerytankfarms,andnaturalgasprocessingplants(7)Largeintegratedchemicalplantsorportionsofsuchplantswhereflammableorcombustibleliquidsorgasesareproducedbychemicalreactionsorusedinchemicalreactions(8)LP-Gasinstallationsatutilitygasplants(9)Liquefiednaturalgas(LNG)installations(10)Fuelgaspipinginelectricutilitypowerplants(11)Proprietaryitemsofequipment,apparatus,orinstrumentssuchasgasgeneratingsets,compressors,andcalorimeters(12)LP-Gasequipmentforvaporization,gasmixing,andgasmanufacturing(13)LP-Gaspipingforbuildingsunderconstructionorrenovationsthatisnottobecomepartofthepermanentbuildingpipingsystemthatis,temporaryfixedpipingforbuildingheat(14)InstallationofLP-Gassystemsforrailroadswitchheating(15)InstallationofLP-Gasandcompressednaturalgas(CNG)systemsonvehicles(16)Gaspiping,meters,gaspressureregulators,andotherappurtenancesusedbytheservinggassupplierindistributionofgas,otherthanundilutedLP-Gas(17)Buildingdesignandconstruction,exceptasspecifiedherein(18)FuelgassystemsonrecreationalvehiclesmanufacturedinaccordancewithNFPA1192,StandardonRecreationalVehicles(19)Fuelgassystemsusinghydrogenasafuel(20)Constructionofappliances1.1.2OtherStandards.Inapplyingthiscode,referenceshallalsobemadetothemanufacturersinstructionsandtheservinggassupplierregulations.
【中国标准分类号】:E46
【国际标准分类号】:75_160_30
【页数】:
【正文语种】:英语