BS EN 12560-3-2001 法兰及其接头.标示等级的法兰的衬垫.非金属PTFE外壳衬垫Fl

BRITISHSTANDARDBSEN12560-3:2001Flangesandtheirjoints—GasketsforClass-designatedflanges—Part3:Non-metallicPTFEenvelopegasketsTheEuropeanStandardEN12560-3:2001hasthestatusofaBritishStandardICS23.040.80NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr1610:41:54GMT+00:002007,UncontrolledCopy,(c)BSI©BSI03-2001ISBN0580370488NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12560-3:2001.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/2,Jointingmaterialandcompounds,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to11andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr1610:41:54GMT+00:002007,UncontrolledCopy,(c)BSI—GasketsforClass-designatedflanges—Part3:Non-metallicPTFEenvelopegasketsBridesetleursassemblages—JointspourlesbridesdésignéesClass—Partie3:JointsnonmétalliquesàenveloppePTFEFlanscheundihreVerbindungen—DichtungenfürFlanschemitClass-Bezeichnung—Teil3:NichtmetallischeWeichstoffdichtungenmitPTFE-MantelThisEuropeanStandardwasapprovedbyCENon28December2000.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.EN12560-3:2001ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr1610:41:54GMT+00:002007,UncontrolledCopy,(c)BSI©BSI03-2001ContentsPageForeword......................................................................................................................................................3Introduction.................................................................................................................................................41Scope............................................................................................................................................52Normativereferences...................................................................................................................53Termsanddefinitions..................................................................................................................53.1DN..................................................................................................................................................53.2NPS................................................................................................................................................53.3Class.............................................................................................................................................54Designations.................................................................................................................................64.1RangeofClassdesignations.