BS EN 1503-2 2000

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1503-2:2000TheEuropeanStandardEN1503-2:2000hasthestatusofaBritishStandardICS23.060.01;77.140.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWValvesÐMaterialsforbodies,bonnetsandcoversÐPart2:SteelsotherthanthosespecifiedinEuropeanStandardsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar2723:26:39GMT+00:002007,UncontrolledCopy,(c)BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15December2000©BSI12-2000ISBN0580367452BSEN1503-2:2000AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1503-2:2000.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/7,Industrialvalves,toSubcommitteePSE/7/1,Basicvalves,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to10,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar2723:26:39GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1503-2October2000ICS23.060.00;77.140.30EnglishversionValves-Materialsforbodies,bonnetsandcovers-Part2:SteelsotherthanthosespecifiedinEuropeanStandardsAppareilsderobinetterie-Matériauxpourlescorps,chapeauxetcouvercles-Partie2:AutresaciersqueceuxspécifiésdanslesnormeseuropéennesArmaturen-WerkstoffefürGehäuse,OberteileundDeckel-Teil2:Stähle,dieinEuropäischenNormennichtfestgelegtsindThisEuropeanStandardwasapprovedbyCENon6October2000.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGCentralSecretariat:ruedeStassart,36B-1050Brussels©2000CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1503-2:2000ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar2723:26:39GMT+00:002007,UncontrolledCopy,(c)BSIPage2EN1503-2:2000ContentsForeword......................................................................................................................................................................31Scope..............................................................................................................................................................32Normativereferences....................................................................................................................................43Materials..........................................................................................................................................................5LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMar2723:26:39GMT+00:002007,UncontrolledCopy,(c)BSIPage3EN1503-2:2000ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC69Industrialvalves,thesecretariatofwhichisheldbyAFNOR.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyApril2001,andconflictingnationalstandardsshallbewithdrawnatthelatestbyApril2001.ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionan