【英文标准名称】:Microwavedevices.Microwaveamplifiers.
【原文标准名称】:微波装置.微波放大器
【标准号】:NFC96-313-1989
【标准状态】:现行
【国别】:法国
【发布日期】:1989-07-01
【实施或试行日期】:1989-07-20
【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】:电学测量;验收检验;合格试验;鉴定试验;功率放大器;环境试验;质量保证程序;机械试验;质量保证;质量保证体系;试验条件;验收试验;规范;协议
【英文主题词】:
【摘要】:
【中国标准分类号】:L34
【国际标准分类号】:31_080_01
【页数】:39P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforFabricationofThermalInsulatingFittingCoversforNPSPiping,andVesselLagging
【原文标准名称】:公称管道尺寸(NPS)的管道隔热配件覆盖物和容器绝热材料的制造用标准实施规程
【标准号】:ASTMC450-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-05-01
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thispracticeprovidestablesofdimensionsofpreformedinsulationthatshallbeusedinfabricatingcoversforuseonvalves,ells,tees,flanges,andvesselsinthepressurerangefrom150to1500psi(1to10MPa).Thesetables,whicharepartofthisstandard,arepublishedseparatelyastheASTMRecommendedDimensionalStandardsforFabricationofThermalInsulationFittingCoversforNPSPiping,andVesselLagging.ThetablesprovidedimensionsforuseinformingpipefittingcoversforNPSpipeoperatingathightemperatureandlowtemperature.Thetablesalsoincludedimensionsforuseinformingthermalinsulationintocurvedsegments,andlagging,forapplicationonvessels.Thispracticedoesnotapplytoreflective-typeinsulation.1.2Thispracticedoesnotspecifyfabricationmethods.Thermalinsulationforfittingcoversisformedbynumerousfabricationmethods.Ingeneral,insulationsarecutbycircularorbandsaws,shapedbygrindersormillers,ormolded.Eachmethodhascertainadvantagesanddisadvantages,dependinguponthematerialtobeformed,numberofcutsrequired,materialwastepermissible,andquantityoffittingsbeingproduced.Fittingpartsareassembledusingadhesivesandfabricationcementsappliedusingdippots,rollers,doctorblades,brush,ortrowel,dependinguponthematerialsbeingused.Anyspecificationofthefabricationtechniquesisbeyondthescopeofthisstandard.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:
【页数】:3P;A4
【正文语种】:英语