BS EN 1092-2-1997 Flanges and their joints. Circu

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1092-2:1997TheEuropeanStandardEN1092-2:1997hasthestatusofaBritishStandardICS23.040.60NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWFlangesandtheirjointsÐCircularflangesforpipes,valves,fittingsandaccessories,PNdesignatedPart2.CastironflangesLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueApr2411:06:26GMT+00:002007,UncontrolledCopy,(c)BSI©BSI1997ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePSE/15Draftforcomment93/707537DCISBN0580279626AmendmentsissuedsincepublicationAmd.No.DateTextaffectedCommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteePSE/15,Flanges,uponwhichthefollowingbodieswererepresented:BritishCompressedGasesAssociationBritishFoundryAssociationBritishIronandSteelProducers'AssociationBritishMalleableTubeFittingsAssociationBritishPlumbingFittingsManufacturers'AssociationBritishPumpManufacturers'AssociationBritishValveandActuatorManufacturers'AssociationConfederationofBritishForgersCopperDevelopmentAssociationEnergyIndustriesCouncilEngineeringEquipmentandMaterialsUsers'AssociationGAMBICA(BEAMALtd.)PowerGenerationContractorsAssociation(PGCA(BEAMALtd.))LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueApr2411:06:26GMT+00:002007,UncontrolledCopy,(c)BSI©BSI1997iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN1092-23LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueApr2411:06:26GMT+00:002007,UncontrolledCopy,(c)BSI©BSI1997BSEN1092-2:1997NationalforewordThisPartofBSEN1092hasbeenpreparedbyTechnicalCommitteePSE/15,andistheEnglishlanguageversionofEN1092-2:1997FlangesandtheirjointsÐCircularflangesforpipes,valves,fittingsandaccessories,PNdesignatedÐPart2:Castironflanges,publishedbytheEuropeanCommitteeforStandardization(CEN).ItsupersedesBS4504:Section3.2:1989whichiswithdrawn.Cross-referencesPublicationreferredtoCorrespondingBritishStandardEN545:1994BSEN545:1995Ductileironpipes,fittings,accessoriesandtheirjointsforwaterpipelines.RequirementsandtestmethodsEN1333:1996BSEN1333:1997Pipeworkcomponents.DefinitionandselectionofPNENISO6708:1995BSENISO6708:1996Pipeworkcomponents.DefinitionandselectionofDN(nominalsize)ENISO9002:1994BSENISO9002:1994Qualitysystems.Modelforqualityassuranceinproduction,installationandservicingCompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to28,aninsidebackcoverandabackcover.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueApr2411:06:26GMT+00:002007,UncontrolledCopy,(c)BSI©1997AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalmembers.Ref.No.EN1092-2:1997EEUROPEANSTANDARDEN1092-2NORMEEUROPEÂENNEEUROPAÈISCHENORMApril1997ICS23.040.60Descriptors:Industrialpiping,pipeflanges,castiron,spheroidalgraphitecastiron,malleablecastiron,unalloyedcastiron,designation,dimensions,dimensionaltolerances,specifications,surfacecondition,markingEnglishversionFlangesandtheirjointsÐCircularflangesforpipes,valves,fittingsandaccessories,PNdesignatedÐPart2:CastironflangesBridesetleursassemblagesÐBridescirculairespourtuyaux,appareilderobinetterie,raccordsetaccessoires,deÂsigneÂesPNÐPartie2:BridesenfonteFlanscheundihreVerbindungenÐRundeFlanschefuÈrRohre,Armaturen,FormstuÈckeundZubehoÈrteile,nachPNbezeichnetÐTeil2:GubeisenflanscheThisEuropeanStandardwasapprovedbyCENon1996-12-29.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueApr2411:06:26GMT+00:002007,UncontrolledCopy,(c)BSI©BSI1997ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommittee