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1、STD.BSIBSEN1074-3-ENGL2000mLb24bbS0859954359mBRITISHSTANDARDBSEN1074-3:2000Valvesforwatersupply-Fitnessforpurposerequirementsandappropriateverificationtests-Part3:CheckvalvesTheEuropeanStandardEN10743:2ûûûhasthestatusofaBritishStandardICs23.060.50;91.140.60..................
2、.................NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAW--```,-`-`,,`,,`,`,,`---CopyrightEuropeanCommitteeforStandardizationProvidedbyIHSunderlicensewithCENNoreproductionornetworkingpermittedwithoutlicensefromIHSNotforResaleNationalforewordThisBritishSta
3、ndardYStheofficialEnglishlanguageversionofEN107432000.TheUKparticipationinitspreparationw-asentnistedbyTechnicalCornutteePSW,Valves,toSubcommitteePSW/7,Valvesforthewaterindustry,whichhastheresponsibilityto:-aidenqiirerstounderstandthetext;-presenttotheresponsibleEuropeancomm
4、itteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed-monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUKAlistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishS
5、tandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentniaybefoundintheRSIStandardsCatalogueunderthesectionentitied“InternationalStandardsCorrespondenceIndex”,orbyusingthe‘‘Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpur
6、porttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,
7、pages2to9andabackcover.--```,-`-`,,`,,`,`,,`---TheBSIcopyrightnoticedisplayedinthisdocumentindcateswhenthedocumentwaslastissued.ThisBritishStandard,havingAmendmentsissuedsincepublicationbeenpreparedunderthedirectionoftheEngineeringComientsSectorCommittee,waspublishedunderthe
8、authorityoftheStandardsCommitteeandcomesintoeffecton15July2000------LIOBSI0
