BS EN 12560-2-2001 法兰及其接头.标示等级的法兰的衬垫.钢法兰用螺旋缠绕衬垫Fla

BRITISHSTANDARDBSEN12560-2:2001Flangesandtheirjoints—GasketsforClass-designatedflanges—Part2:SpiralwoundgasketsforusewithsteelflangesTheEuropeanStandardEN12560-2:2001hasthestatusofaBritishStandardICS23.040.80NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr1610:41:43GMT+00:002007,UncontrolledCopy,(c)BSIBSEN12560-2:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15March2001©BSI03-2001ISBN0580370437NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12560-2:2001.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/2,Jointingmaterialandcompounds,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to17andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr1610:41:43GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12560-2January2001ICS23.040.80EnglishversionFlangesandtheirjoints—GasketsforClass-designatedflanges—Part2:SpiralwoundgasketsforusewithsteelflangesBridesetleursassemblages—JointspourlesbridesdésignéesClass—Partie2:JointsspiraléspourutilisationavecdesbridesenacierFlanscheundihreVerbindungen—DichtungenfürFlanschemitClass-Bezeichnung—Teil2:SpiraldichtungenfürStahlflanscheThisEuropeanStandardwasapprovedbyCENon28December2000.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2001CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12560-2:2001ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr1610:41:43GMT+00:002007,UncontrolledCopy,(c)BSIPage2EN12560-2:2001©BSI03-2001ContentsPageForeword......................................................................................................................................................3Introduction.................................................................................................................................................41Scope............................................................................................................................................52Normativereferences...................................................................................................................53Termsanddefinitions..................................................................................................................53.1DN..................................................................................................................................................53.2NPS................................................................................................................................................53.3Class..............................................................................................................................................54Designations.................................................................................................................................64.1RangeofClassdesignations........................