ISO 04427-2-2019 amd1-2023.docx

INTERNATIONA1.STANDARDISO4427-2editionSecond2019-08AMENDMENT12023-02P1.asticspipingsystemsforwatersupp1.y,andfordrainageandsewerageunderpressurePo1.yethy1.ene(PE)一PfS:堆p1.astiquedestinesaa1.imentationeneauetauxbranchementsetCo1.1.ecteurs(TassainissementsouspressionPo1.yethy1.ene(PE)一Partie2:TubesmendementiReferencenumberISO4427-2:2019/Amd.1.:2023(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.orkwqnttodtH0e6jtiecfiron>ctu1.aicnpkni1tUqntt*)jU>copppU1.>joationmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountr)oftherequester.f),WV>fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsBuchugh(ISOErtmtaC喇itajwoekWPKf1.pbBrgbody1ntnBmitt6trtd3fwhnCmitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnongovernmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceareg殿F睽CiMteoSOIEC½teM槌必得杷油醐解蝴蟠($临酢%COrdanCe朗Fhtheeditoria1.ru1.esoftheSOIECDirectives,Part2(seewww.iso.org/directivcs).usedinthisAnytradeRMionnghts.d½ten福撼蝴阳胆陨Si海鹿吸R啾做M刑强doc咻跳吊嬴胆刚陵subjectOfanypatentrightsidentifiedduringthedeve1.opmentCfxh0"xunumtwi1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).constitutenameendorsement,domentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand这G四咻I隅现dwn弱脚即O1.assE盛ftinwe憎s11.船CnBar池然Hdead融2ks/www.iso.org/iso/foreword.htm1.南£敬新出ftaW三1.eTe新储然fc留加Qi觎四谶£酶物"es/Mngsandva1.vesforA1.istofa1.1.partsintheISO4427seriescanbefoundontheISOwebsite.由丽曲魁做碰fi1.三1.iesthiscah8<MHhOuwWWjtaMembe也轴谕nationa1.standardsbody.AP1.asticspipingsystemsforwatersupp1.y,andfordrainageandsewerageunderpressurePo1.yethy1.ene(PE)一Pf2:Amendmenti73Tab1.e2Rep1.aceva1.uesfornomina1.size1000withthefo1.1.owing.Therestofthetab1.einc1.udingthetab1.efooterremainsthesame.&一SO2023IA=r亘=SreservedTab1.e2SDR6SDR7,4SDR9SDR1.1.S2,5S3,2S4S5PE40PN1.OPN8PN6PE80PN25PN20PN16PN12,5PE1.OOPN2SPN20PN16Momina1.sizeIeminmAIcw6wxeutiCtif1.0u100o一一90,8100,0ISo44272019、Amd1.k023(E)Wa1.1.thicknessesSDR13,6SDR17SDR21SDR26SDR33SDR41S6,3S8S1.OS12,5S16S20Nomina1.pressure(PN)PN5bIrPN4PN3,2PN2,5PN1.OPN8PN6PNSPN4PN3,2PN12,5PN1.OPN8PN6PNSPN4P1.PeSer1.eSWa1.1.thkknessesbemine11uxminCniAxeumsaeit<ataettCminerruxmm73,580,959r365.447752,638,242,230,633524,527,1ICS23.040.20;91.140.60;93.025Pricebasedon2pages