BS EN 14341-2006工业阀门 止回阀Industrial valves - Steel

BRITISHSTANDARDBSEN14341:2006Industrialvalves—SteelcheckvalvesTheEuropeanStandardEN14341:2006hasthestatusofaBritishStandardICS23.060.50  LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonJul2310:13:41GMT+00:002007,UncontrolledCopy,(c)BSI©BSI2006ISBN0580487199NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN14341:2006.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/7,Valves,toSubcommitteePSE/7/2,Gate,globeandcheckvalvesmadefromsteelorcopperalloy,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeepUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to14,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonJul2310:13:41GMT+00:002007,UncontrolledCopy,(c)BSI(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2006CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN14341:2006:ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonJul2310:13:41GMT+00:002007,UncontrolledCopy,(c)BSI(E)2ContentsPageForeword..............................................................................................................................................................31Scope......................................................................................................................................................42Normativereferences............................................................................................................................43Termsanddefinitions...........................................................................................................................64Requirements.........................................................................................................................................64.1Design.....................................................................................................................................................64.2Functionalcharacteristics....................................................................................................................95Testprocedures..................................................................................................................................106Declarationofcompliance.................................................................................................................107Designation.........................................................................................................................................108Markingandpreparationforstorageandtranspo