DIN 45921 T.3-1982 电子元器件质量评定协调体系.规范.精密固定电阻器
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【英文标准名称】:Harmonizedsystemofqualityassessmentforelectroniccomponents;specification:fixedprecisionresitors
【原文标准名称】:电子元器件质量评定协调体系.规范.精密固定电阻器
【标准号】:DIN45921T.3-1982
【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)
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【标准类型】:()
【标准水平】:()
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【中国标准分类号】:
【国际标准分类号】:
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【英文标准名称】:StandardSpecificationforPerpendicularlyOrientedMineralFiberRollandSheetThermalInsulationforPipesandTanks
【原文标准名称】:管子和容器用垂直向矿物纤维薄板卷和薄板热绝缘的标准规范
【标准号】:ASTMC1393-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C16.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparentthermalconductivity;facing;mineralfiber;perpendicularlyorientedfiber;pipeandtankinsulation;sheet;shot;shotcontent;Mineralfiberinsulation--specifications;Perpendicularly-orientedmineralfiberinsulation;Pipethermalinsulatio
【摘要】:1.1Thisspecificationcoversthecomposition,dimensions,andphysicalpropertiesofcompression-resistant,perpendicularlyorientedmineralfiber(rock,slag,orglass)rollandsheetinsulationintendedforuseonflat,curved,orroundsurfacesoperatingattemperaturesbetween0x00B0;F(x2013;18x00B0;C)and1000x00B0;F(538x00B0;C).Thisproduct(pipeandtankinsulation)istypicallyusedonnominal24in.(610mm)orgreaterdiametersurfaces.Forspecificapplications,theactualusetemperaturesanddiametersshallbeagreeduponbetweenthemanufacturerandthepurchaser.1.2Theorientationofthefiberswithintherollorsheetinsulationisessentiallyperpendiculartotheheated/cooledsurface(paralleltoheatflow).Thisspecificationdoesnotapplytoflatblock,board,ductwrap,orpreformedpipemineralfiberinsulationwheretheinsulationfiberorientationisgenerallyparalleltotheheated/cooledsurface(acrosstheheatflow).1.3Forsatisfactoryperformance,properlyinstalledprotectivevaporretardersmustbeusedinbelowambienttemperatureapplicationstoreducemovementofmoisture/watervaporthroughoraroundtheinsulationtowardsthecoldersurface.Failuretouseavaporretardercanleadtoinsulationandsystemdamage.RefertoPracticeC921toaidmaterialselection.Althoughvaporretarderspropertiesarenotpartofthisspecification,propertiesrequiredinSpecificationC1136arepertinenttoapplicationorperformance.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Whentheinstallationoruseofthermalmaterials,accessories,andsystemsmayposesafetyorhealthproblems,themanufacturershallprovidetheuser-appropriatecurrentinformationregardinganyknownproblemsassociatedwiththerecommendedusefortheproductsofthecompanyandshallalsorecommendprotectivemeasurestobeemployedintheirsafeutilization.Theusershallestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:27_220
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:Magneticfilm17,5mmand35mm;DIN-testfilmBF17A,BF17FandBF35A
【原文标准名称】:17.5mm和35mm磁胶片.DIN标准胶片BF17A.BF17F和BF35A
【标准号】:DIN15538T.1-1977
【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)
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【标准类型】:()
【标准水平】:()
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【摘要】:
【中国标准分类号】:
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