【英文标准名称】:SpecificationforCrosslinkedPolyethylene/Aluminum/CrosslinkedPolyethyleneTubingODControlledSDR9
【原文标准名称】:OD可控的SDR9交联聚乙烯/铝/交联聚乙烯管的规范
【标准号】:ANSI/ASTMF2262-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:聚乙烯;铝;交联
【英文主题词】:Aluminium;Controlled;Cross-linked;Polyethylene;Tubing
【摘要】:Thisspecificationcoversestablishesrequirementsforcoextrudedcrosslinkedpolyethylenemulti-layerpressuretubingwithacontinuouslyweldedaluminumtubeconstructionbetweeninnerandouterlayersofplastic.Theinnerandoutercrosslinkedpolyethylenelayersarebondedtothealuminumbyameltadhesive.Thetubingisoutsidediametercontrolledandmadeinonestandarddimensionratio,SDR9andisintendedtobeusedforhotandcoldwaterconveyanceinapplicationsupto180F(82.2C).Includedinthisspecificationisasystemofnomenclatureforcrosslinkedpolyethylene-aluminum-crosslinkedpolyethylene(PEX-AL-PEX)tubes,andtherequirementsandtestmethodsformaterials,dimensionsofcomponentlayersandthefinishedtubing,layeradhesiontest,weldstrength,short-termburstpressure,long-termsustainedpressureandmarkingrequirements.Thetubingcoveredbythisspecificationisintendedforuseinpotablewaterdistributionsystemsforresidentialandcommercialapplications,waterservice,hydronicradiantheating(HRH),radiantpanelheating,baseboard,andsnowmeltsystems.Thisspecificationcoversonlyplastic-metal-plasticmulti-layertubesincorporatingacontinuousweldedaluminumtube.Tubingconsistingofmetalliclayersnotweldedtogetherisoutsidethescopeofthisspecification.UnitsThevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitswhichareprovidedforinformationonlyandarenotconsideredstandard.Specificationsforconnectorsforusewithpipemeetingtherequirementsofthisspecificationaregivenin.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspri
【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


【英文标准名称】:Metalproducts-Practiceoffatiguecrackgrowthratetesting
【原文标准名称】:金属产品.疲劳裂缝增大率测量法
【标准号】:NFA03-404-1991
【标准状态】:现行
【国别】:法国
【发布日期】:1991-06-01
【实施或试行日期】:
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Metalproducts-Practiceoffatiguecrackgrowthratetesting
【中国标准分类号】:H22
【国际标准分类号】:
【页数】:58P.;A4
【正文语种】:法语