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1、5SOInternationa1.StandardISO4437-2Secondedition2024-02P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)一PP2:Systemesdecana1.isationsenp1.astiquepourIadistributiondecombustib1.esgazeuxPo1.yethy1.ene(PE)一Panie2:TubesReferencenumberISO4437-22024(en)COPYRIGHTPROTECTEDDOCUMENTISO2024W
2、intGhcdBdHUWwdotherwiseCrW4WMrtiwcmbxtt11)ni(WkJhrtRinkHimftWr1.9Htumcnpyip?IHdiCnticnma),theinternetoranintranet,withoutpriorwrittenpermission.Permissiononber?qucste.1Mc3surcr11ctofdimensions87.2Meanoutsidediameters,out-of-roundness(ova1.ity)andto1.erances.87.3IthMinIminagQUthIaiOIbMhSanCeS97.3.2To
3、1.eranceontheWanthicknesses.107.4Circumferentia1.reversionofpipesWithdnequa1.toorgreaterthan250mm124Mechanica1.characteristics1281COnd1.口OnIng129 8.2Requirements12Physica1.characteristics169.1 Conditioning1610 9.2Requirements161Performancerequirements16Marking161.Gene1.a1.611.2Minimumrequiredmarking
4、17Annex A (nonnative)Pipeswithco-extruded1.ayers18Annex B (normative)Pipeswithpee1.ab1.e1.ayerZOAnnex C (nonnative)Squeeze-Offtechniquc22Bib1.iography23HiForewordISO(theInternationa1.OrganizationforStandardization)isaWOHdwidefederationofnationa1.standardsIK1.d1.ieSt乎Buimatbnnbtid泌EA岷IWnribefPrbPdW蛔I
5、1.rtetndtiOnaIStaUHiBtdHiirnririnhI1.ytecbHivikMtMinxIh1.tOaghhasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththeInternationa1.E1.ectrotechnica1.Commissio
6、n(IEC)ona1.1.mattersOfe1.ectrotechnica1.standardization.Theproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1.ar,thedifferentapprova1.criterianeededforthedifferenttypesPf1.E(5t9ft三f1.fs,shR3fidraftedinaccordancewiththeedito
7、ria1.111.esoftheISOdrawsattentiontothepossibi1.itythattheimp1.ementationofthisdocumentmayinvo1.vetheuseof（八）陶源榭泡PeCttakeser斑淑ition由龈优erA嗨脚硒用M能%CU檎帆格bi哪而脚龈似楸dpatentpatents)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementersarecautionedthatthismaynotrepresentthe1.atestinformation,whichmay
8、beobtainedfromthepatentdatabaseavai1.ab1.eatWWWmeMirgpm1.3NsISOsha1.1.notbehe1.dresponsib1.eforidentifyinganyora1.1.suchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoosnotconstituteanendorsement.%tnBHexpHg1.而减tuyr做阳3Stand僦(BMutuhmih痴M1.dawssionsOrganizatio
9、n(VVrTO)princip1.esintheTechnica1.BarrierstoTrade(TBT),seewww.iso.org/iso/forcword.htm1.临SPOrtd硼昧:W腮瞅腕探徐卷福制随附依他枷眺州麻世川曲嬲靓1.%ekva1.vesfortheThissecondeditioncance1.sandrep1.acesthefirstedition(ISO4437-2:2014),whichhasbeentechnica1.1.yrevised.Themainchangesareasfo1.1.ows： PE100-RCtypemateria1.swithenha
10、ncedresistancetos1.owcrackgrowth(SCG)havebeenadded; requirementsforthecompoundforidentificationstripeshavebeenupdated; thenomina1.outsidediameterrangeofthepipehasbeenincreasedto800mm; thePE8020oC100hcontro1.pointhasbeenchangedto10MPawithanotetoadvisethat9MPaisapp1.icab1.eiftheISO9080datasetforamater
11、ia1.indicatesthata1.owerva1.ueisapp1.icab1.e; testmethodshavebeenupdatedandnewmethodshavebeenaddedforPE100-RCmateria1.s.A1.istofa1.1.partsintheISO4437seriescanbefoundontheISOwebsite.蜘PIetef也蝴驯Ption三三拙蒯砥曲RHMtWW三member网刷.snationa1.standardsbody.AIntroductionTheISO4437seriesspecifiestherequirementsfora
12、pipingsystemanditscomponentsmadefrompo1.yethy1.ene(PE)compounds,whichisintendedtobeusedforthesupp1.yofgaseousfue1.s.Thisdocumentcoversthecharacteristicsofpipes.幽明狎鸵Mffest443甲hmateria1.sandcomponents,Otherthanpipes,arespecifiedinISO4437-1,CharacteristicsforfitnessforpurposeofthesystemarecoveredinISO4
13、437-5.Recommendedpracticefordesign,hand1.ingandinsta1.1.ationisgiveninISO/TS10839.P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)P)腔：1 ScopeThisdocumentspecifiesthecharacteristicsofpipesmadefrompo1.yethy1.ene(PE)forpipingsystemsinthefie1.dofthesupp1.yofgaseousfue1.s.Ita1.sospecifiesthetestparametersforthetestmethodsreferredtointhisdocument.InN楣Mfiai8监制AVa1.隅，W瘀,渊后44抻5曲W小曲49只於册停峡曲配1.4pp1.fWb1.etoPEusedunderthefo1.1.owingconditions:a)ft11忠潴SU脚恨
