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1、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:Tubesmen
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7、1.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.iesthiscah8MHhOuwWWjtaMembe也轴谕nationa1.standardsbody.AP1.asticspipingsystemsforwatersupp1.y,andfordrainageandse
8、werageunderpressurePo1.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.si
9、zeIeminmAIcw6wxeutiCtif1.0u100o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.thkknessesbemine11uxminCniAxeumsaeitataettCminerruxmm73,580,959r365.447752,638,242,230,633524,527,1ICS23.040.20;91.140.60;93.025Pricebasedon2pages
