BS EN 1591-2-2008 Flanges and their joints — Desig

BSEN1591-2:2008ICS23.040.60NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDFlangesandtheirjoints—DesignrulesforgasketedcircularflangeconnectionsPart2:GasketparametersThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30November2008©BSI2008ISBN9780580565946Amendments/corrigendaissuedsincepublicationDateCommentsBSEN1591-2:2008NationalforewordThisBritishStandardistheUKimplementationofEN1591-2:2008.ItsupersedesDDENV1591-2:2001whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/15,Flanges.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.BSEN1591-2:2008EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1591-2June2008ICS23.040.60SupersedesENV1591-2:2001EnglishVersionFlangesandtheirjoints-Designrulesforgasketedcircularflangeconnections-Part2:GasketparametersBridesetleursassemblages-Règlesdecalculdesassemblagesàbridescirculairesavecjoint-Partie2:ParamètresdejointFlanscheundihreVerbindungen-RegelnfürdieAuslegungvonFlanschverbindungenmitrundenFlanschenundDichtung-Teil2:DichtungskennwerteThisEuropeanStandardwasapprovedbyCENon8May2008.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,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©2008CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1591-2:2008:EBSEN1591-2:2008EN1591-2:2008(E)2ContentsPageForeword..............................................................................................................................................................31Scope......................................................................................................................................................42Normativereferences............................................................................................................................43Symbolsanddefinitions.......................................................................................................................44Typicalgasketparametersforvariousgasketstyles........................................................................44.1General....................................................................................................................................................44.2Qmin[L],QSmin[L]..........................................................................................................................................64.3QsmaxandPQR........................................................................................................................................234.4EG...........................................................................................................................................................27AnnexA(informative)Relationbetweenthegaskettypesandthecodesusedinthetables..................43AnnexB(informative)Publicsourcesofreliabledata..................................................................................46AnnexC(informative)Outlineofapre-calculationmethodofgasketselection........................................47Bibliography......................................................................................................................................................48BSEN1591-2:2008EN1591-2:2008(E)3ForewordThisdocument(EN1591-2:2008)hasbeenpreparedbyTechnicalCommitteeCEN/TC74“Flangesandtheirjoints”,thesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember2008,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2008.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CEN[and/orCENELEC]shallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesENV1591-2:2001.EN1591Flangesandtheirjoints—Designrulesf