BS EN 12334-2001 工业阀门.铸铁单向阀

BRITISHSTANDARDBSEN12334:2001IncorporatingCorrigendumNo.1andAmendmentNo.1Industrialvalves—CastironcheckvalvesTheEuropeanStandardEN12334:2001,withtheincorporationofamendmentA1:2004,hasthestatusofaBritishStandardICS23.060.50

 
 CopyrightBritishStandardsInstitutionReproducedbyIHSunderlicensewithBSI-UncontrolledCopyNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,,,-`-`,,`,,`,`,,`---BSEN12334:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeon15March2001©BSI24August2004ISBN0580370429NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12334:2001,includingcorrigendumJuly2002andamendmentA1:2004.ItsupersedesBS5153:1974whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/7,Valves,toSubcommitteePSE/7/3,Castironvalves,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to11andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateComments14086CorrigendumNo.120January2003ChangetoAnnexZA1522824August2004Modificationtosubclauses4.1.1.1,4.1.2.1,4.1.2.3,4.2.1,8.1.2,AnnexA,AnnexBandAnnexZACopyrightBritishStandardsInstitutionReproducedbyIHSunderlicensewithBSI-UncontrolledCopyNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,,,-`-`,,`,,`,`,,`---EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12334January2001+A1August2004ICS23.060.50IncorporatingcorrigendumJuly2002EnglishversionIndustrialvalves—Castironcheckvalves(includesamendmentA1:2004)Robinetterieindustrielle—Clapetsdenon-retourenfonte(inclutl’amendementA1:2004)Industriearmaturen—RückflussverhindererausGusseisen(enthältÄnderungA1:2004)ThisEuropeanStandardwasapprovedbyCENon28December2000,andamendmentA1wasapprovedbyCENon27May2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2001CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12334:2001+A1:2004ECopyrightBritishStandardsInstitutionReproducedbyIHSunderlicensewithBSI-UncontrolledCopyNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,,,-`-`,,`,,`,`,,`---Page2EN12334:2001B©SI02J3002yraunaContentsPageForeword...........................................................................................................................................................31Scope.......................................................................................................................................................42Normativereferences.............................................................................................................................43Termsanddefinitions............................................................................................................................54Requirements..........................................................................................................................................54.1Designrequirements..............................................................................................