ANSI/ASTM F2263-2007 氯化水聚乙烯(PE)管的抗氧化性评估用试验方法

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【英文标准名称】:TestMethodforEvaluatingtheOxidativeResistanceofPolyethylene(PE)PipetoChlorinatedWater
【原文标准名称】:氯化水聚乙烯(PE)管的抗氧化性评估用试验方法
【标准号】:ANSI/ASTMF2263-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-03-20
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:氯化的;评估;PE;管;聚乙烯;抵抗性;水
【英文主题词】:Chlorinated;Evaluations;PE;Pipes;Polyethylene;Resistance;Water
【摘要】:Thistestmethoddescribesthegeneralrequirementsforevaluatingthelong-term,chlorinatedwater,oxidativeresistanceofpolyethylene(PE),usedincoldwatersupplyorservicesystemsbyexposuretochlorinatedwater.Thistestmethodoutlinestherequirementsofapressurizedflow-throughtestsystem,typicaltestpressures,test-fluidcharacteristics,failuretype,anddataanalysis.Note1Otherknowndisinfectingsystems(chlorinedioxide,ozone,andchloramine)arecurrentlyusedforprotectionofpotablewater;however,free-chlorineisbyfarthemostcommonsysteminusetoday.Disinfectingsystemsotherthanchlorinehavenotbeenevaluatedbythismethod.Guidelinesandrequirementsfortesttemperatures,testhoopstresses,andothertestcriteriahavebeenestablishedbypriortestingofPEpipe.OtherrelatedsystemcomponentsthattypicallyappearinaPEcoldwatersupplyorservicesystemcanbeevaluatedwiththePEpipe.WhentestingPEpipeandfittingsasasystem,itisrecommendedthattheanticipatedend-usefittingtype(s)andmaterial(s)beincludedinthetestcircuitsinceitisknownthatsomefittingtypesandmaterialscanimpactfailuretimes.Specimensusedshallberepresentativeofthepipingproduct(s)andmaterial(s)underinvestigation.Note2Theproceduresdescribedinthistestmethod(withsomemodificationsoftesttemperaturesorstresses,orboth)havebeenusedtoevaluatepipesmanufacturedfrompolybutylene(PB),crosslinkedpolyethylene(PEX),polypropylene(PP),multilayer(polymer-metalcomposite),copper,andstainlesssteel.ThistestmethodisapplicabletoPEpipeandsystemsusedfortransportofpotablewatercontainingfree-chlorinefordisinfectingpurposes.Theoxidizingpotentialofthetest-fluidspecifiedinthistestmethodexceedsthattypicallyfoundinpotablewatersystemsacrosstheUnitedStates.Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonlyandarenotconsideredstandard.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语


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Product Code:SAE AS9372
Title:Gasket - Metal O-Ring, .062 Tube X .006 Wall, Silver Plated Cres - Uns S32100
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
基本信息
标准名称:梅花形弹性联轴器
英文名称:Coupling with elastic spider
中标分类: 机械 >> 通用零部件 >> 联轴器、制动器与变速器
ICS分类: 机械系统和通用件 >> 轴和联轴器 >> 联轴器、离合器、磨擦器
替代情况:被GB/T 5272-2002代替
发布日期:1985-07-31
实施日期:1986-04-01
首发日期:1900-01-01
作废日期:2003-04-01
出版日期:1900-01-01
页数:37页
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所属分类: 机械 通用零部件 联轴器 制动器与变速器 机械系统和通用件 轴和联轴器 联轴器 离合器 磨擦器