ISO 04437-1-2024.docx
5>×SOInternationa1.StandardISO44371Secondedition2024-02P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)一触阴叫Systemesdecana1.isationsenp1.astiquepourIadistributiondecombustib1.esgazeuxPo1.yethy1.ene(PE)一Panic1:Genira1.itisReferencenumberISO4437-1:2024(en)COPYRIGHTPROTECTEDDOCUMENT©ISO2024WintG<hcdBdHUWwdotherwiseCrW4WMrtiwcmbxtt11)ni(WkJhrtRinkHimftWr1.9Htumcnpyip<?IHdiCnticnma),theinternetoranintranet,withoutpriorwrittenpermission.Permissiononber<?qucste<ifromeitherISOattheaddressbe1.oworISOsmemberbodyinthecountryoftherequester.b,Vyfrfiandonnet8CH-1214Vcmicr,GenevaPhoae:*41227490111聊独te:薪括嬴OQrgPub1.ishedinSwitzer1.andContentsPageForeworditroductionv2 SOPe13 Normativereferences1Termsanddefinitions3.1 Tennsre1.atedtogeometry33.2 Termsre1.atedtomateria1.4Termsre1.atedtomateri可蝴需觥倍.Termsre1.atedtojointsSymbo1.sandabbreviatedterms4.1 Symbo1.s)t>(a(*M(*(*t*<*t4(4*(*MWt<a4.2 AbbreviatedtermsMateria1.Materia1.ofthecomponentsCompound1.1.2 AdttiiIReSandpigncnts81.1.3 CharacteristicsB5.3 Fusioncompatibi1.ity12时庠触ftWfi丽驯designation.巴巴法一.135.6 Changeofcompoundformu1.ation13Annex A (informative)Additiona1.informationre1.atedtotheinsta1.1.ationofPE100-RCsystems14Annex B (informative)1.PGandmanufacturedgas16Annex C (informative)Resistancetorapidcrackpropagation(RCP)17131bI】Ogra1.)hy1ForewordISO(theInternationa1.OrganizationforStandardization)isaWOHdwidefederationofnationa1.standardsIMdIiest触UimatbnnbtidM明岷IWnribefPrbPdNMEtetfndtiOna1.Staudd<B-Mirtob1.1.ytechafrftictouciihitoaghhasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththeInternationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersOfe1.ectrotechnica1.standardization.Theproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1.ar,thedifferentapprova1.criterianeededforthedifferenttypesISOdrawsattentiontothepossibi1.itythattheimp1.ementationofthisdocumentmayinvo1.vetheuseof（八）陈榭泡PeCttake繇温iti。曲陇呼CerA膈和曲陶陇泓cu超榴眦biH%fre娜酿停iMdpatentpatents)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementersarecautionedthatthismaynotrepresentthe1.atestinformation,whichmaybeobtainedfromthepatentdatabaseavai1.ab1.eatWWWmeMirgpm1.3NsISOsha1.1.notbehe1.dresponsib1.eforidentifyinganyora1.1.suchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.%toIMHexp1.aMI而RiwdbCand融。WAiUtHhnm隔mg1.SCH由国山UdbwniiiiadiikpasionsOrganization(VVrTO)princip1.esinIheTechnica1.BarrierstoTrade(TBT),secwww.iso.org/iso/forcword.htm1.佩Porrd画咻脚瞅痛热备做临嫡MMf蝴眦恻姻P颂幽1%氐VHVeSfortheThissecondeditioncance1.sandrep1.acesthefirstedition(ISO4437-1:2014),whichhasbeentechnica1.1.yrevised.Themainchangesareasfo1.1.ows： PE100RCtypemateria1.swithenhancedresistancetos1.owcrackgrowth(SCG)havebeenadded; AnnexAhasbeenadded,discussingtheperformanceofPE100-RCtypemateria1.swithenhancedresistancetos1.owcrackgrowth(SCG)andgivingadditiona1.informationforinsta1.1.ationtechniques; testmethodshavebeenupdatedandnewtestmethodshavebeenaddedforPE100-RCmateria1.s.A1.istofa1.1.partsintheISO4437seriescanbefoundontheISOwebsite.Aftp1.etefeU*98UF贴告盛,浓招诅曲。*姓nationa1.standardsbody.AIntroductionTheISO4437seriesspecifiestherequirementsforapipingsystemanditscomponentsmadefrompo1.yethy1.ene(PE)compounds,whichisintendedtobeusedforthesupp1.yofgaseousfue1.s.Thisdocumentcoversmateria1.sandthegenera1.aspectsofthep1.asticspipingsystem.RegureesandtestmethodsforcomponentsofthepipingsystemarespecifiedinISO4437-2,ISO4437-3CharacteristicsforfitnessforpurposeofthesystemarecoveredinISO4437-5.Recommendedpracticefordesign,hand1.ingandinsta1.1.ationisgiveninISO/TS10839.P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)fte1.a1.1 ScopeThisdocumentspecifiesmateria1.sandthegenera1.aspectsOfpo1.yethy1.ene(PE)pipingsystemsinthefie1.dofthesupp1.yofgaseousfue1.s.Ita1.sospecifiesthetestparametersforthetestmethodsreferredtointhisdocument.InM蹄fiai8监制。Va帕阴加也4,麟涮hts4和帙帙破和帼啪英史将魅丽喉Map靛ab1.etoPEusedunderthefo1.1.owingconditions:a) pressure(MOP)uptoandinc1.uding10ban),atareferencetemperatureof20b) anoperatingtemperaturebetween-20and40.Foroperatingtemperaturesbetween20and40.deratingCoefTicientsarcdefinedinISO4437-5.TheISO4437seriescoversarangeofMOPsandgivesrequirementsconcerningco1.ours.烯滕espori三醐IeiP姗it三卬哪i9E>三硼鼾抽a船ythe郸曾瞅限0。例蛔由摘砧鼐耨神Reets，practicesorcodes.2 NormativereferencesThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheircontentconstitutesrteqiirem<oJiotbfsthe(tafurennt<Fdociaii1
