【英文标准名称】:StandardSpecificationforCrosslinkedPolyethylene(PEX)Pipe
【原文标准名称】:交联聚乙烯(PEX)管道的标准规范
【标准号】:ASTMF2788-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:F17.26
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:crosslinkedpolyethylene;hydrostaticstress;PEX;PPI;pipe;pressure
【摘要】:1.1Thisspecificationcoverscrosslinkedpolyethylene(PEX)pipethatisoutsidediametercontrolled,madeinnominalpipedimensionratios,andpressureratedforwateratthreetemperatures(seeAppendixX1).Includedarerequirementsandtestmethodsformaterial,workmanship,dimensions,burstpressure,hydrostaticsustainedpressure,excessivetemperaturepressure,excessivetemperature-pressure,environmentalstresscracking,stabilizerfunctionality,bent-pipehydrostaticpressure,oxidativestabilityinpotablechlorinatedwater,anddegreeofcrosslinking.Requirementsforpipemarkingsarealsogiven.1.2Thetextofthisspecificationreferencesnotes,footnotes,andappendixes,whichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.3Exceptfordimensions,thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Fordimensions,thevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesfornominalsizesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Note18212;Metricsized(SIunits)pipeshouldonlybejoinedwithcorrespondingmetricsizedfittings.Inchsizedfittingsshouldnotbeusedformetricsizedpipe.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:11P.;A4
【正文语种】: