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BRITISHSTANDARDBSEN14870-2:2004Petroleumandnaturalgasindustries—Inductionbends,fittingsandflangesforpipelinetransportationsystems—Part2:FittingsTheEuropeanStandardEN14870-2:2004hasthestatusofaBritishStandardICS23.040.40;75.200 ©BSI20January2005ISBN0580453138NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN14870-2:2004.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/17,Materialsandequipmentforpetroleum,petrochemicalandnaturalgasindustries,toSubcommitteePSE/17/2,Transmissionpipelines,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to34,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateComments:Fittings(ISO15590-2:2003modified)Industriesdupétroleetdugaznaturel-Coudesd'induction,raccordsetbridespoursystèmesdetransportparconduites-Partie2:Raccords(ISO15590-2:2003modifiée)Erdöl-undErdgasindustrie-ImInduktionsverfahrenhergestellteRohrbögen,FittingsundFlanschefürRohrleitungstransportsysteme-Teil2:Fittings(ISO15590-2:2003modifiziert)ThisEuropeanStandardwasapprovedbyCENon30September2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2004CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN14870-2:2004:E(E)2ContentspageExplanatoryNote................................................................................................................................................3Foreword..............................................................................................................................................................4Introduction.........................................................................................................................................................51Scope......................................................................................................................................................62Normativereferences............................................................................................................................63Termsanddefinitions...........................................................................................................................84Symbolsandabbreviatedterms..........................................................................................................85Designation..........................................................................................................................................106Pressureratinganddesign................................................................................................................106.1General.............................................................