ISO 04437-2-2024.docx
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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
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- 关 键 词:
- ISO 04437-2-2024 04437 2024
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