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【英文标准名称】:Roadvehicles-Detectionofexhaustsystemsleaks-Heliumtestmethodanddetectiondevicespecification.
【原文标准名称】:道路车辆.排气系统泄漏的检测.氦试验方法和探测装置规范
【标准号】:NFR10-022-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-11-01
【实施或试行日期】:2006-11-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;排气;排气系统;氦;防泄漏;漏泄试验;摩托车;道路车辆;试验
【英文主题词】:Definition;Definitions;Exhaustgases;Exhaustsystems;Helium;Leakdetection;Leaktests;Motorvehicles;Roadvehicles;Testing
【摘要】:
【中国标准分类号】:T13
【国际标准分类号】:43_060_20
【页数】:12P;A4
【正文语种】:其他


【英文标准名称】:StandardSpecificationforPartsMachinedfromPolychlorotrifluoroethylene(PCTFE)andIntendedforGeneralUse
【原文标准名称】:聚氯三氟乙烯(PCTFE)加工制零件和通用零件的标准规范
【标准号】:ASTMD7211-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15.12
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:机械制造的;聚氯三氟乙烯
【英文主题词】:annealing;dimensionalstability;finishedparts;PCTFE;polychlorotrifluoroethylene
【摘要】:1.1Thisspecificationisintendedtobeameansofcallingoutfinishedmachinedpartsreadyforcommercialuse.1.2Thisspecificationestablishesrequirementsforpartsmachinedfromunplasticized,100%polychlorotrifluoroethylene(PCTFE)homopolymers.1.3ThisspecificationdoesnotcoverpartsmachinedfromPCTFEcopolymers,PCTFEfilmortapelessthan0.25-mm[0.010-in.]thick,ormodifiedPCTFE(containingpigmentsorplasticizers).1.4Thisspecificationallowsforpartscontainingregrindandrecycledmaterial.1.5ThespecificationdoesnotcoverPCTFEpartsusedinaerospaceapplicationsinvolvingstorageandhandlingofoxygenmedia,airmedia,inertmedia,andcertainreactivemedia(specificallyammonia,gaseoushydrogen,andliquidhydrogen),inwhichdimensionalstability,highmolecularweight,molecularweightretention,andcrystallinitycontrolareimportantconsiderations.Foraerospacegrade,machinedPCTFEparts,useSpecificationD7194.1.6ApplicationPCTFEpartscoveredbythisspecificationaremadeof100%PCTFEresin,freeofplasticizers,fillers,orotheradditives.Thepartsmeetspecificphysicalcharacteristicsappropriatefortheirenduse,andaretypicallyusedinapplicationsrequiringgoodelectricalpropertiesorresistancetoaggressivechemicalmedia.GeneralpurposePCTFEpartsincludeseals,gaskets,valveandpumpparts(cryogenicandnoncryogenic),translucenttubing,sightglasses,flowmetertubes,heavy-walledsolidpipesandfittings,gears,cams,bearings,laboratoryware,circuitboards,electricalconnectorcoversandswitches,radomecovers,andavarietyofotherstockshapes.Theyareremovedandreplacedduringnormalmaintenanceprocedures.Thepartsalsoexperiencestaticordynamicmechanicalloading,andtemperaturesrangingfromcryogenictotemperaturesatorabovetheglasstransitiontemperature,Tg=55C[131F].Note1Quick-quenchedPCTFEwillpotentiallyexhibitdimensionalrelaxationinthevicinityofTg.Note2AlthoughnorecommendationsaremaderegardingthelimitingupperusetemperatureofPCTFE,theheatdeflectiontemperatureofPCTFEasdeterminedbyTestMethodD648is126C[259F].1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinbracketsareforinformationonly.Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note3ThereisnoequivalentISOstandard.
【中国标准分类号】:G33
【国际标准分类号】:83_140_01
【页数】:4P.;A4
【正文语种】: