BS EN 1333-2006 法兰及其接缝.管道部件.PN的定义和选择

BRITISHSTANDARDBSEN1333:2006Flangesandtheirjoints—Pipeworkcomponents—DefinitionandselectionofPNTheEuropeanStandardEN1333:2006hasthestatusofaBritishStandardICS01.040.23;23.040.01  LicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,ThuAug0305:00:29BST2006,UncontrolledCopy,(c)BSIBSEN1333:2006ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon28April2006©BSI2006ISBN0580481743NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1333:2006.ItsupersedesBSEN1333:1997whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/15,Flanges,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeepUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2and3andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,ThuAug0305:00:29BST2006,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1333March2006ICS01.040.23;23.040.01SupersedesEN1333:1996EnglishVersionFlangesandtheirjoints-Pipeworkcomponents-DefinitionandselectionofPNBridesetleursassemblages-Composantsderéseauxdetuyauteries-DéfinitionetsélectiondesPNFlanscheundihreVerbindungen-Rohrleitungsteile-DefinitionundAuswahlvonPNThisEuropeanStandardwasapprovedbyCENon23January2006.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(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.EN1333:2006:ELicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,ThuAug0305:00:29BST2006,UncontrolledCopy,(c)BSIEN1333:2006(E)2ForewordThisdocument(EN1333:2006)hasbeenpreparedbyTechnicalCommitteeCEN/TC74“Flangesandtheirjoints”,thesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbySeptember2006,andconflictingnationalstandardsshallbewith-drawnatthelatestbySeptember2006.ThisdocumentsupersedesEN1333:1996.ThisdocumentisbasedontheinternationalstandardISO7268:1983,butthemisleadingdefinitionofnominalpressurehasbeenomittedasitissolooselyrelatedtothemaximumallowablepressure.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Den-mark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxem-bourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,Switzer-landandUnitedKingdom.LicensedCopy:LondonSouthBankUniversity,LondonSouthBankUniversity,ThuAug0305:00:29BST2006,UncontrolledCopy,(c)BSIEN1333:2006(E)31ScopeThisEuropeanStandardgivesthedefinitionofPNwhenappliedtocomponentsofapipeworksystem,asspecifiedinthosestandardswhichusethePNdesignationsystem.ThisstandardspecifiesthePNnumberswhichareused.2TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermanddefinitionapplies.2.1PNalphanumericdesignationusedforreferencepurposesrelatedtoacombinationofmechanicalanddimen-sionalcharacteristicsofacomponentofapipeworksystem.Itcomprises