DIN 2642-1969 搭接法兰平肩熔焊卷边.公称压力10
时间:2024-05-20 08:35:51 来源: 标准资料网 作者：标准资料网 阅读：8809
【英文标准名称】:Slip-onFlanges;UpturnedWeldingFlanges,PlainCollars;NominalPressure10
【原文标准名称】:搭接法兰平肩熔焊卷边.公称压力10
【标准号】:DIN2642-1969
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
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【英文标准名称】:StandardTestMethodforRubberProperty-EffectofLiquids
【原文标准名称】:液体对橡胶性能影响的标准试验方法
【标准号】:ASTMD471-2006
【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(ASTM)
【起草单位】:D11.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:天然橡胶;性能;橡胶;合成橡胶;测试;拒水性
【英文主题词】:elevatedtemperature;fluidimmersion;liquidimmersion;referencefuel;rubberarticles;rubberproducts;serviceliquid;
【摘要】:Certainrubberarticles,forexample,seals,gaskets,hoses,diaphragms,andsleeves,maybeexposedtooils,greases,fuels,andotherfluidsduringservice.Theexposuremaybecontinuousorintermittentandmayoccuroverwidetemperatureranges.Propertiesofrubberarticlesdeteriorateduringexposuretotheseliquids,affectingtheperformanceoftherubberpart,whichcanresultinpartialfailure.Thistestmethodattemptstosimulateserviceconditionsthroughcontrolledacceleratedtesting,butmaynotgiveanydirectcorrelationwithactualpartperformance,sinceserviceconditionsvarytoowidely.Ityieldscomparativedataonwhichtobasejudgmentastoexpectedservicequality.Thistestmethodissuitableforspecificationcompliancetesting,qualitycontrol,refereepurposes,andresearchanddevelopmentwork.1.1Thistestmethodcoverstherequiredprocedurestoevaluatethecomparativeabilityofrubberandrubber-likecompositionstowithstandtheeffectofliquids.Itisdesignedfortesting:(1)specimensofvulcanizedrubbercutfromstandardsheets(seePracticeD3182),(2)specimenscutfromfabriccoatedwithvulcanizedrubber(seeTestMethodsD751),or(3)finishedarticlesofcommerce(seePracticeD3183).Thistestmethodisnotapplicabletothetestingofcellularrubbers,porouscompositions,andcompressedsheetpacking,exceptasdescribedin11.2.2.1.2ASTMOilsNo.2andNo.3,formerlyusedinthistestmethodasstandardtestliquids,arenolongercommerciallyavailableandin1993werereplacedwithIRM902andIRM903,respectively(seeAppendixX1fordetails).1.3ASTMNo.1Oil,previouslyusedinthistestmethodasastandardtestliquid,isnolongercommerciallyavailableandin2005wasreplacedwithIRM901;referto,FootnoteA,andAppendixX3fordetails.1.4Thistestmethodincludesthefollowing:1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:13P.;A4
【正文语种】:
【英文标准名称】:Testingofopticalcomponents;determinationofformerrorswithtestglasses
【原文标准名称】:光学零件的检验.用玻璃样板检验面形偏差
【标准号】:DIN58161T.5-1986
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
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