1、5SOInternationa1.StandardISO4437-5Secondedition2024-02P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)一F阪经SforpurposeofthesystemSystemesdecana1.isationsenp1.astiquepourIadistributiondecombustib1.esgazeuxPo1.yethy1.ene(PE)一Panic5:AptitudeVemp1.oidusystemeReferencenumberISO4437-52
2、024(en)COPYRIGHTPROTECTEDDOCUMENTISO2024WintGhcdBdHUWwdotherwiseCrW4WMrtiwcmbxtt11)ni(WkJhrtRinkHimftWr1.9Htumcnpyip?IHdiCnticnma),theinternetoranintranet,withoutpriorwrittenpermission.Permissiononber?qucsteifromeitherISOattheaddressbe1.oworISOsmemberbodyinthecountryoftherequester.b,Vyfrfiandonnet8C
3、H-1214Vcmicr,GenevaPhoae:*41227490111聊独te:薪括嬴OQrgPub1.ishedinSwitzer1.andContentsPageFOreWOdMtIMMMIWMIMMISMMIM11IMMa*iMMMMIIaBH(aMMNMIMMeMBMISMaBH(aMMNMI*Bt(1itroductionv2 SOPe13 Normativereferences1Termsanddefinitions23.1 Termsre1.atedtogeometry23.2 Termsre1.atedtomateria1.3打TermSre1.atedtOmate网脚郎需
4、盘眼nsX1.3.5TrermSIadatedtoJo1.ntS.ISymbo1.sandabbreviatedterms5411Symbo1.、5542AbbrCVIatedterms.6Fitnessforpurposeofthesystem65.1 Methodofpreparationofassemb1.iesfortesting65.1.1 Genera1.65.1.2 BktttrOfUSionjOintS一“65.1.4 Mechanica1.joints75.1.5 Socketfusionjoints75.2 S1.uirrfont三1.for.fitness.fQrpurp
5、os75.2.2 Fitnessforpurposeofthesystemforbuttfusionjoints-75.2.3 Fitnessforpurposeofthesystemfore1.ectrofusionjoints85.2.4 Fitnessforpurposeofthesystemformechanica1.joints5.3 Conditioning105.4 Requirements105.5 TestingofpipewithCoextruded1.ayers11Designcoefficient11AnnexA(informative)Deratingcoeffici
6、entsforoperatingtemperatures13Annex(normative)iessBib1.iography.14ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardstK1.Mies*H(mi?(HbDirbt1.dgE4岷IMa1.ribOfPrbPdN咐EtetfndtionaISmUHiHd寸由WiriobIIytechnrrt1.denrtH1.ttGHghhasbeenestab1.ishedhastheright
7、toberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththeInternationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofe1.ectrotechnica1.standardization.Theproceduresusedtodeve1.opthisdocum
8、entandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1,Inparticu1.ar,thedifferentapprova1.criterianeededforthedifferenttypes陶源榭泡PeCttake.M?er甑祗ition南瓯乩erAhH檎X叫(I能%cu胸帆触bi阳。fre“靓的褊Idpatentpatents)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementersarecautioned
9、thatthismaynotrepresentthe1.atestinformation,whichmaybeobtainedfromthepatentdatabaseavai1.ab1.eatWWWmeMirgpm1.3NsISOsha1.1.notbehe1.dresponsib1.eforidentifyinganyora1.1.suchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.F3)CUHex
10、p1.aMI而Rm极aseygMKyrURIMtdbCand柄g曲如ing1.SSg而出U出必皿皿血虑业prgsionsOrganization(VVrTO)princip1.esintheTechnica1.BarrierstoTrade(TBT),seewww.iso.org/iso/forcword.htm1.临SPOrtd硼魄:脚瞅痛热备做临嫡MMf蝴眦恻姻P颂幽1%氐va1.vesfortheThissecondeditioncance1.sandrep1.acesthefirstedition(ISO4437-5:2014),whichhasbeentechnica1.1.yrev
11、ised.Themainchangesareasfo1.1.ows：PE100-RCtypemateria1.swithenhancedresistancetos1.owcrackgrowth(SCG)havebeenadded;testmethodshavebeenupdatedandnewmethodshavebeenaddedforPE100-RCmateria1.s.A1.istofa1.1.partsintheISO4437seriescanbefoundontheISOwebsite.AnyfeedbackorquestionsonthisdocumentShoU1.dgdiMUd
12、SKhesEp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.IntroductionTheISO4437seriesspecifiestherequirementsforapipingsystemanditscomponentsmadefrompo1.yethy1.ene(PE)compounds,whichisintendedtobeusedforthesupp1.yofgaseousfue1.s.Thisdocumentcoversthecharacteristicsoffitnessforpurposeoft
13、hesystem.ofthepipingsystemarespecifiedinRecommendedpracticefordesign,hand1.ingandinsta1.1.ationisgiveninISO/TS10839.P1.asticspipingsystemsforthesupp1.yofgaseousfue1.s一Po1.yethy1.ene(PE)P物监Sforpurposeofthesystem1 ScopeThisdocumentspecifiestherequirementsoffitnessforpurposeOfassenib1.edpo1.yethy1.ene(
14、PE)pipingsystemsinthefie1.dofthesupp1.yofgaseousfue1.s.Itspecifiestherequirementsfore1.ectrofusion,socketfusion,buttfusionandmechanica1.joints.s次蝌heu阱靓ft)ttm曲J三fMtonthesejointsforitspecifiesthetestparametersforthetestmethodsreferredtointhisdocument.曲M刖洲呼喊d悔嘛由StoMM?蝴麻则楮邰胸繇阳薪使turer油蛹邮437嗔蝴tor阉柿阳togeth
15、erundernorma1.andextremeconditionsinaccordancewiththisdocument.Itisnotintendedforon-sitetestingOfpipesystems.hiR施嘀制fka倒由F现触44毋硼心443岫陶间混浊M版%啷住联曲蚓呐4PP1.MbICtoPEusedunderthefo1.1.owingconditions:a) 噩；pressure(MOP),uptoandinc1.uding10ban),atareferencetemperatureof20b) anoperatingtemperaturebetween-20and
16、40.Foroperatingtemperaturesbetween20and40.deratingcoefficientsarcdefinedin-Aex-A.TheISO4437seriescoversarangeofMOPsandgivesrequirementsconcerningco1.ours.2 NormativereferencesThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheircontentconstitutestbqkiteHioAtiofxbf5thccWumcnt(
17、FdndHnHhtref4mckti11gjteurtHn)t1.ies.Forundatedreferences,f0丽眼/班d：M刷*fortheconveyanceOff1.uids-Determinationof牒ixtqBK2?的的8加加惜呻曲拈而面幽般洲尔由好搬8的野anceOffIuidS-DeterminationOfthe僚1.*q6K4，仲的胴卜函幽阱网栩咕他？Gwm戏的川也娜曲B腌nveyanceoff1.uids-DeterminationOftheISO4437-Z,P1.asticspipingsystemsforthesupp1.yofgaseousfue1.sP
18、o1.yethy1.ene(PE)Part2:Pipes1)1bar=0,1MPa=10sPa；1MPa=1N/mmz.ISO4437-3,P1.asticspipingsystemsforthesupp1.yofgaseousfue1.sPo1.yethy1.ene(PE)Part3:FittingsISO4437-4,P1.asticspipingsystemsforthesupp1.yofgaseousfue1.sPo1.yethy1.ene(PE)Part4:Va1.vesJS器KMMt*以隔厮网依颍finingsPreparationoftestpieceassemb1.iesbet
19、weenapo1.yethy1.ene(PE)KC1.Q军钟廿用学由蝠:周丽秋andfittingsPreparationofpo1.yethy1.ene(PE)pipe/pipeorpipe/fiuingtest用0瘁卬。物“傅秋冲蒯闯除妗S网W肺总用M例TR泊SDeterminationQfresistancetorapidcrackKoPPSiVf用环到off1.uidsDeterminationofresistancetorapidcrack联f4助99?PJt阳华忸4心呜PiPeSandfi1.1.ingsDeterminationofthetensi1.estrengthandfa
20、i1.uremodeof1.estRCPi列则帧rf顿睇侬岛邮I1.DP的fif的融i8Mcsiforpo1.yethy1.ene(PE)e1.ectrofusionassemb1.iesofISO13955,P1.asticspipesandfittingsCrushingdecohesiontestforpo1.yethy1.ene(PE)e1.ectrofusionassemb1.ies淤由g姆榭袋UaUii1.做i11M帆济蜘3rRphesiontestofpo1.yethy1.ene(PE)sadd1.efusionjoints-Eva1.uationISO17885,P1.asti
21、cspipingsystemsMechanica1.fittingsforpressurepipingWStemSSpecifications3TermsanddefinitionsForthepurposesofthisdocument,thefo1.1.owingtermsanddefinitionsapp1.y.ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses：ISOOn1.inebrowsingp1.atform：avai1.ab1.eathttps:/www.i
22、so.org/obp上1IFdP1ropedia1.agb1.e伊yhu”wwwek4opeoumavcWtforMthed8t,series,theva1.ueofthenomina1.wa1.1.3.1.4wa1.1.thicknessatanypointewa1.1.thicknessatanypointaroundthecircumferenceofacomponentroundedtothenextgreater0,1nunNote3.1.51toentry:Thesymbo1.forthewa1.1.thicknessofafittingandva1.vebodyatanypoin
23、tisE.minimumwa1.1.thicknessatanypointCminminimumva1.ueforthewa1.1.thicknessatanypoint(3.1.4)aroundthecircumferenceofacomponent3.1.6standarddimensionratioSDRnumerica1.designationofapipeseries(3.1.7),whichi3i4MXnvenientroundnumber,approximou1.yequa1.tothedimensionrat100fthenomina1.outsidediameter(3.1.
24、2)andthenomina1.wa1.1.thickness(3.1.3)3.1.7pipeseriesSnumberforpipedesignationthe1toentry:ThespecifiedinISOtheNotCfo1.125jJOEH1.1.a,re1.ationshipbctwccn4065.pipcscries,S,andthestandarddimensionratio(SDR)(3.6)isgivenbyS=3.2 Termsre1.atedtomateria1.3.2.1compoundhomogenousextrudedmixtureofbasepo1.ymer(
25、3.2.2)(po1.yethy1.ene)andadditives(i.e.anti-oxidants,pigments,carbonb1.ack,UV-StabiIizersandothers)atadosage1.eve1.necessaryfortheprocessinganduseofcdmonentsbasepo1.ymerpo1.ymerproducedbythemateria1.supp1.ierforthemanufactureofthecompound(3.2.1)3.3 Termsre1.atedtomateria1.characteristics3.3.11.owerc
26、onfidence1.imitofthepredictedhydrostaticstrengthO1.P1.quantity,withthedimensionsofstress,whichrepresentsthe97,5%1.owerconfidence1.imitofthepredictedhydrostaticstrengthattemperatureandtimetNote1toentry:Itisexpressedinmegapasca1.s(MPa).3.3.2minimumrequiredstrengthMRSNote1toentry:On1.ycompounds(3.2.1)w
27、ithanMRSof8MPaor10MPaarespecifiedinthisdocument.Note3toentry:Itisexpressedinmegapasca1.s(MPa).3.3.3designcoefficientC3.4 Termsre1.atedtoserviceconditions3.4.1gaseousfue1.NoteThisentry:SUbjeCtareproposa1.sresearch.gasesfromrenewab1.esourcesinnatura1.gasnetworks.e.g.hydrogen3.4.2maximumoperatingpressu
28、reMOPmponcntsvntry:pipingcxprcsscd1.tinca1.cu1.atedusingfo1.1.owingformu1.a:andthemechanica1.characteristicsoftheMoPPossib1.etoserviceResearch1.east1.ong-termperformancepredictionof-9po1.yethy1.enegasdistributionsystemsshowsa3.4.3referencetemperaturesystemforoperatingtemperaturesdifferentfurtherca1.
29、cu1.ationtemperature,apipingsystemorpartsofapiping3.5 Termsre1.atedtojoints3.5.1buttfusionJointtemperature,removingtheheatingp1.atequick1.yandpushingthetwosoftenedendsagainstoneanotherva1.ueofthe1.owerconfidence1.imitofthepredictedhydrostaticstrength(3.3.1)a1.20and50years,roundeddowntothenextsma1.1.
30、erva1.ueoftheR1.OseriesorR20seriesNote2toentry:TheR1.OseriesandtheR20seriesconformtoISO3.SOURCE:ISO12162:2009,3.3,modifiedNote1toentryhasbeenremovedandrep1.acedwithnewNotes1to3toentry.coefficientwithava1.uegreaterthan1whichtakesintoconsiderationserviceconditionsaswe1.1.aspropertiesofthecomponentsofa
31、pipingsystemotherthanthoserepresentedinthe1.owerconfidence1.imitfue1.whichisingaseousstateatatemperatureof15atatmosphericpressure(Hz).1toistheThereofongoingtoinjectmaximumeffectivepressureofthef1.uidinthepipingsystemwhichisa1.1.owedincontinuoususeNote1ofaItissystem,isbar.Ittakesintotheaccountthephys
32、ica1.二M-2。-swNote2entry:1.ifeofaton100years;seeReferences(7.8and.temperatureforwhichthepipingsystemisdesignedNote1toentry:Itisusedthebaseforfromthereferencewhendesigningjointmadebyheatingthep1.anedendsofpipesorspigotendfittings(3.5.5),thesurfacesofwhicharefusedtogetherbyho1.dingthemagainstaf1.atheat
33、ingp1.ateunti1.thepo1.yethy1.enemateria1.reachesfusion3.5.2e1.ectrofusionjointe1.ementincorporatedfusethcirjointingsurfaces,causingthemateria1.adjacenttothemtome1.t,andthepipe-503.5.3e1.ectrofusionsocketfitting3.5.4e1.ectrofusionsadd1.efitting3.5.5spigotendfitting3.5.6socketfusionjointjointingsurfac
34、esThcme1.tsockctfusionfittingsfittingsurfacesbyapurpose-madeheatxitoo1.causingthemateria1.onthe3.5.7mechanica1.joint3.5.81.oadsmechanica1.fittingSymbo1.s17885:2021,abbreviatedterms4.1 Symbo1.sAdpercentageofdccohcsion(area)-34CDvjointbetweenapo1.yethy1.ene-etecrro/usionSocketfitting(3.5.3)ore1.ectrof
35、usionsadd1.efitting(3.5.4)andapipeorspigotendfitting(3.5.5)madebyheatingthee1.ectrofusionttingbytheJou1.ec(Tcctoftheheatingandfittingsurfacesatpo1.yethy1.ene(PE)fittingwhichcontainsoneormoreintegratedheatinge1.ementsthatarecapab1.eoftransforminge1.ectrica1.energyintoheattorea1.iseafusionjointwithaSP
36、igOtendorapipepo1.yethy1.ene(PE)fittingwhichcontainsoneormoreintegratedheatinge1.ementsthatarecapab1.eoftransforminge1.ectrica1.energyintoheattorea1.izeafusionjointontoapipepo1.yethy1.4PE)fittingwheretheoutsidediameterofthespigotendisequa1.tothenomina1.outsidediameter(3.1.2)ofthecorrespondingpipejoi
37、ntbetweenapo1.yethy1.enesocketfusionfittingandapipeoraspigotendfitting(3.5.5)Note1toentry：toandthepipeandareheatedtofuse.jointmadebyassemb1.ingapo1.yethy1.ene(PE)pipetoanotherPEpipe,oranyothere1.ementusingafittingthatgenera1.1.yinc1.udesacompressionpart,toprovideforpressureintegrity,1.eaktightnessan
38、dresistancetoendfittingforassemb1.ingp1.asticspipeswitheachotherorwithameta1.pipeorfitting,thatinc1.udesoneormorecompressionzonestoprovidepressureintegity,1.eaktightnessandresistancetoend1.oads4(S0URCE:ISOand3.1.1)Forthepurposesofthisdocumentthefo1.1.owingsymbo1.sapp1.y.designcoefficientderatingfact
39、ordnomina1.outsidediameterwa1.1.thickness(atanypoint)ofattingandva1.vebodywa1.1.thickness(atanypoint)aroundthecircumferenceOfacomponentemmminimumwa1.1.thickness(atanypoint)Cnnomina1.wa1.1.thickness1.2nomina1.1.engthofthefusionzoneofthee1.ectrofusionsocketfitting1.dpercentageofdecohesion(1.ength)PCcr
40、itica1.pressureSpipeseriesTambienttemperatureatwhichajointismadeTbmmaximumpermittedambienttemperatureforjointassemb1.yTmmminimumpermittedambienttemperatureforjointassemb1.y-34ttime0temperature.n.1.owerconfidence1.imitofthepredictedhydrostaticstrength4.2 AbbreviatedtermsEW脚P呼端盘聪%也噗%庶典融阂deviatedtermsa
41、pp1.y.椭m圾愉附即吃瞄）醐essure阳SP碘呻阻减equiredstrength蛤R喊根阁神舟65Fitnessforpurposeofthesystem5.1 MethodofpreparationOfasscmb1.icsfortesting5.1.1 Genera1.免Ke漩减邮艇蜘忸tha1.1.bedosedwithpressure-tightend-1.oad-bearingendcaps,p1.ugsorThejointssha1.1.bemadebyusingpipesconformingtoISO44372,fittingsconformingtoISO4437-3o
42、rf1.anges,whichsha1.1.beprovidedwithconnectionsfortheentryofwaterandre1.easeofair.Thepce1.ab1.e1.ayerofpec1.ab1.e1.ayerpipesha1.1.beremovedintheareaofthejointpriortojointing.5.1.2 ButtfusionjointsPEpipes,spigotendfittingsandva1.vesintendedtobeusedforjointingbybuttfusionsha1.1.bepreparedandassemb1.ed
43、inaccordancewithISO11414.Theconditionsforthepreparationofthejointsaregiveninassessmentoffitnessforpurposeofthesystemunderextremeconditions.5.1.3 E1.ectrofusionjointsassessmentoffitness1.SOpurposeTheconditionsunderpreparationconditionsjointsS2giventheassessmenttheForPneumatica1.1.ye1.ectrofusionsadd1
44、ea1.1.owab1.ee1.ectrofusionoperatingpressure.Thefusedtosha1.1.pipetappedfittingsareSafetyprecautionsapressurizedpipesystem,intoconsiderationwhenjointswithe1.ectrofusionsadd1.ediameters0,05greaterhetween225mm,endadjoiningmaximumsha1.1.theoretica1.depthpenetrationmaximumangu1.ar5.1.4 Mechanica1.joint
45、sISO17885.5.1.5 Socketfusionjoints5.2 Requirementsforfitnessforpurpose5.2.1 Genera1.app1.icab1.efit1.ingsfo1.1.owingmechanica1.characteristicsconformingtotherequirementsgiveninTab1.e5,as(B)e1.ectrofusionsadd1.efitting;5.2.2 (D)Fitnessforpurposeofthesystemforbuttfusionjoints5.2.2.1 Undernorma1.conditions(ambienttemperature:23)Characteristicsparametershydrostaticspecifiedinand11414:2009strengthconformingt
