ISO 04437-3-2024.docx

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1、5SOInternationa1.StandardISo44373Secondedition2024-02P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)一F9gsSystemesdecana1.isationsenp1.astiquepourIadistributiondecombustib1.esgazeuxPo1.yethy1.ene(PE)一Panic3:RaccordsReferencenumberISO4437-32024(en)COPYRIGHTPROTECTEDDOCUMENTISO202

2、4WintGhcdBdHUWwdotherwiseCrW4WMrtiwcmbxtt11)ni(WkJhrtRinkHimftWr1.9Htumcnpyip?IHdiCnticnma),theinternetoranintranet,withoutpriorwrittenpermission.Permissiononber?qucsteifromeitherISOattheaddressbe1.oworISOsmemberbodyinthecountryoftherequester.b,Vyfrfiandonnet8CH-1214Vcmicr,GenevaPhoae:*41227490111聊独

3、te:薪括嬴OQrgPub1.ishedinSwitzer1.andContentsForewordPageVitroductionGSconeVjNormativereferences23Termsanddef1.nitions33.1Termsre1.atedtogeometry33.2Termsre1.atedtomateria1.43.3Termsre1.atedtomateria1.ch3Cteristirs43.435scmci?conditions6SvmhnkNnrihhrpvatpdtprm64.16e4.2Abbreviatedtrms83Materia1.95.1PEco

4、mpoundforfittings95.2Materia1.fornonpo1.yethy1.eneparts95.2.25.2.3Sea1.ingmateria1.s.996S24Othprmafpriak106.1APPearanCeO6.2Oo1.oUr106.3Appigiraiice.Df1.actory-IuadejQinis.106SE1.ectrica1.CharaCmrk1.kWfore1.ctrnfuiionfittinp107Geometrica1.characteristics7.1Measurementnfdimensions11117.2Dimensionsofe1

5、.ectrofusionsocketfittingsH7.,Wa1.1.1.engthsofe1.ectrofusionsockets137.2.3Out-of-roundnessoftheboreofafitting(atanypoint)137.2.4Spigots.137.37福ner曲iW梢做脚sionSaddIen1.U噌137.4Dimensionsofspigotendfittings147.41D1.ameterSandIengthS7.4.2 fusionend7.4.3 Wa1.1.thicknessofthefittingbody14167.4.4Otherdimensi

6、ons67.5Dimensionsofsocketfusionfittings,167.67%bsigd孤嘟nsionsOfmechanica1.fittings167.6.2Mechanica1.fittingswithpo1.yethy1.enespigotends177.6.3Mechanica1.fittingswithno1.vethv1.enee1.ectofsionsockets1781,=Merhnnicn1.ch;Irnderiqtirq178.1Gcners1.178.217asPb)11B1.huextduttiems20HiPhysica1.characteristic

7、s9.1 Conditioning9.2 RequirementsPerformancerequirementsTechnica1.informationMarking12.1 Genera1.12.2 Minimumrequiredmarkingoffittings2121212222222223De1.ivcryconditions24Annex A (normative)Socketfusionfittings25Annex B (informative)Examp1.esoftypica1.termina1.connectionsfore1.ectrofusionfittings27A

8、nnex C (normative)Short-termpressuretestmethod30Annex D (normative)Tensi1.etestfor11ttingpipeassemb1.ies.32Annexe1.ectrofusionsocketfittingseries34Bib1.iographyForewordISO(theInternationa1.OrganizationforStandardization)isaWOHdwidefederationofnationa1.standardsIMdIiest触UimatbnnbtidM明岷IWnribefPrbPdNMEtetfndtiOna1.StauddM!nthawrhriDgdtt1.WekQ般FaVa1.iiertotJfcdpphcab1.e;that9MPais testmethodshavebeenupdatedandnewmethodshavebeenaddedforPE100-RCmateria1.s.A1.istofa1.1.partsintheISO4437seriescanbefoundontheISOwebsite.AnyfeedbackorquestionsonthisdocumentShOUIdhadiUd1.Cth