BS EN 1092-4

LicensedCopy:FELIXHERZING,TUVRHEINLANDBERLINBRANDENBURG5954918,10March2004,UncontrolledCopy,(c)BSIBRITISHSTANDARDBSEN1092-4:2002Flangesandtheirjoints—Circularflangesforpipes,valves,fittingsandaccessories,PNdesignated—Part4:AluminiumalloyflangesTheEuropeanStandardEN1092-4:2002hasthestatusofaBritishStandardICS23.040.60

 
 LicensedCopy:FELIXHERZING,TUVRHEINLANDBERLINBRANDENBURG5954918,10March2004,UncontrolledCopy,(c)BSIBSEN1092-4:2002ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorPolicyandStrategyCommittee,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon23July2002©BSI23July2002ISBN0580401324NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1092-4:2002.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/15,Flanges,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to18,aninsidebackcoverandabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:FELIXHERZING,TUVRHEINLANDBERLINBRANDENBURG5954918,10March2004,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1092-4May2002ICS23.040.60EnglishversionFlangesandtheirjoints-Circularflangesforpipes,valves,fittingsandaccessories,PNdesignated-Part4:AluminiumalloyflangesBridesetleursassemblages-Bridescirculairespourtubes,appareilsderobinetterie,raccordsetaccessoires,désignéesPN-Partie4:Bridesenalliagesd'aluminiumFlanscheundihreVerbindungen-RundeFlanschefürRohre,Armaturen,FormstückeundZubehörteile,nachPNbezeichnet-Teil4:FlanscheausAluminiumlegierungenThisEuropeanStandardwasapprovedbyCENon28March2002.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2002CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1092-4:2002ELicensedCopy:FELIXHERZING,TUVRHEINLANDBERLINBRANDENBURG5954918,10March2004,UncontrolledCopy,(c)BSIEN1092-4:2002(E)2ContentspageForeword------------------------------------------------------------------------------------------------------31Scope--------------------------------------------------------------------------------------------------42Normativereferences-----------------------------------------------------------------------------43Termsanddefinitions----------------------------------------------------------------------------54Designations----------------------------------------------------------------------------------------54.1RangeofDN54.2RangeofPNdesignations54.3Typesofflanges54.4Designationofflanges55Generalrequirements----------------------------------------------------------------------------65.1Flangematerials65.2Repairs65.3Bolting65.4Gaskets65.5Pressuretemperature(p/T)ratings65.6Dimensions65.7Flangefacings75.8Spotfacingandbackfacingofflanges75.9Tolerances75.10Marking7Figure1-Typesofflanges8Figure2-Flangefacings9Figure3-DimensionsofPN10flanges10Figure4-DimensionsofPN16flanges11Figure5-DimensionsofPN25flanges12Figure6-DimensionsofPN40flanges13Figure7-DimensionsofPN63flanges14for15AnnexA(informative)Massesofflanges---------------------------------------------------------16AnnexZA(informative)ClausesofthisEuropeanStandardaddressingessentialrequireme