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ASTM F438-2004 套管型氯化聚氯乙烯(CPVC)塑料管及管配件标准规范.表40

作者:标准资料网 时间:2024-05-14 22:42:07  浏览:8505   来源:标准资料网
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【英文标准名称】:StandardSpecificationforSocket-TypeChlorinatedPoly(VinylChloride)(CPVC)PlasticPipeFittings,Schedule40
【原文标准名称】:套管型氯化聚氯乙烯(CPVC)塑料管及管配件标准规范.表40
【标准号】:ASTMF438-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F17.10
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:管道配件;塑料制品;塑料;建筑;配件;聚氯乙烯
【英文主题词】:CPVC;fittings;pressure;Sch40;sockets;threads
【摘要】:1.1Thisspecificationcoverschlorinatedpoly(vinylchloride)(CPVC)Schedule40socket-typepipefittings.Includedarerequirementsformaterials,workmanship,dimensions,andburstpressure.Note18212;TheCPVCfittingscoveredbythisstandardwerecoveredpreviouslyinSpecificationD2466.1.2Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsystemswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.Note28212;Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafteyhazardsshouldasystemfailforanyreason.1.3Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesaregivenforinformationonly.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33;J15
【国际标准分类号】:23_040_45
【页数】:7P.;A4
【正文语种】:


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【英文标准名称】:StandardTestMethodforDeterminingColorofaMembraneSwitchBacklitwithDiffuseLightSource
【原文标准名称】:带漫射光源的薄膜开关背面照明的颜色测定标准试验方法
【标准号】:ASTMF2359-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F01.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;颜色;光源;薄膜开关;扩散
【英文主题词】:backlit;CIE;colorcoordinates;colorimeter;diffuselight;electroluminescentmaterial;lightemittingdiodes;luminance;luminouscolor;membraneswitch;photometer;radiometer;videophotometer
【摘要】:Illuminationofaswitchorofcertainfeaturesofaswitchoftenhasafunctionalpurposeandmustmeetspecificationtosatisfythefunctionalrequirementsoftheswitch.Illuminationoftheswitchcanbeaffectedbyvariationsinthequalityanddesignoftheoverlayanditsapplication.Thistestmethodaddressesonlytheopticalandvisualappearanceoftheswitchandnotitselectricalfunction.Thistestmethodisnon-destructive.Ifthistestmethodisappliedtotheentireswitchassembly,theresultscanbeappliedtothewholedevice.However,itmaybesufficientandpracticaltoapplythetesteithertoasubassemblyonly,ortotheilluminationonly,inwhichcasetheresultsapplytothatlayeronlyandtheneteffectonthefullyassembleddevicemustbeextrapolated.1.1Thistestmethodcoversproceduresfordeterminingtheluminouscolorofabacklitmembraneswitch.Aswritten,itappliestoafullyassembledswitch.Forspecificpurposes,itcanbeappliedtopartiallyassembledswitches,withtheunderstandingthattheresultspertainonlytothepartialassemblyandwillbemodifiedasthefurtherassemblyproceeds.
【中国标准分类号】:K31
【国际标准分类号】:31_220_20
【页数】:2P.;A4
【正文语种】:


MIL-HDBK-11991 (NOTICE 1), DEPARTMENT OF DEFENSE HANDBOOK DESIGN OF ELECTRICAL, ELECTRONIC, AND ELECTRO-MECHANICAL EQUIPMENT, GUIDED MISSILE AND ASSOCIATED WEAPON SYSTEMS MIL-HDBK-11991, dated 30 January 1996, is hereby canceled without replacement.

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