BS EN 1759-4 2003

BRITISHSTANDARDBSEN1759-4:2003Flangesandtheirjoint—Circularflangesforpipes,valves,fittingsandaccessories,classdesignated—Part4:AluminiumalloyflangesTheEuropeanStandardEN1759-4:2003hasthestatusofaBritishStandardICS23.040.60

 
 LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr0210:17:18GMT+00:002007,UncontrolledCopy,(c)BSIBSEN1759-4:2003ThisBritishStandard,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon1October2003©BSI1October2003ISBN058042684XNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1759-4:2003.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/15,Flanges,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to16,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr0210:17:18GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1759-4September2003ICS23.040.60EnglishversionFlangesandtheirjoint-Circularflangesforpipes,valves,fittingsandaccessories,classdesignated-Part4:AluminiumalloyflangesBridesetleursassemblages-Bridescirculairespourtubes,appareilsderobinetterie,raccordsetaccessoires,désignéesClass-Partie4:Bridesenalliagesd'aluminiumFlanscheundihreVerbindungen-RundeFlanschefürRohre,Armaturen,FormstückeundZubehörteile,nachClassbezeichnet-Teil4:FlanscheausAluminiumlegierungenThisEuropeanStandardwasapprovedbyCENon10July2003.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2003CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1759-4:2003ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,MonApr0210:17:18GMT+00:002007,UncontrolledCopy,(c)BSIEN1759-4:2003(E)2ContentsPageForeword......................................................................................................................................................................31Scope..............................................................................................................................................................42Normativereferences....................................................................................................................................43Termsanddefinitions....................................................................................................................................44Designations...................................................................................................................................................54.1Rangeofnominalsizes.................................................................................................................................54.2RangeofClassdesignations........................................................................................................................54.3Typesofflanges.............................................................................................................................................54.4Designationofflanges..................................................