BSEN1295252001水管锅炉和辅助设备第5部分锅炉压力部件的工艺和结构

BRITISHSTANDARDBSEN12952-5:2001Water-tubeboilersandauxiliaryinstallations—Part5:WorkmanshipandconstructionofpressurepartsoftheboilerTheEuropeanStandardEN12952-5:2001hasthestatusofaBritishStandardICS27.040NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:11:44GMT+00:002007,UncontrolledCopy,(c)BSIBSEN12952-5:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorPolicyandStrategyCommittee,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon24May2002©BSI24May2002ISBN0580373118NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12952-2:2001.ItpartiallysupersedesBS1113:1999whichwillbewithdrawnwhenParts1,2,3,5,6,7,10,and11ofBSEN12952arepublished.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/2,Water-tubeboilers,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.AdditionalinformationTheUnitedkingdomvotedagainsttheacceptanceofthisEuropeanStandardattheFormulaVotestage.TheprincipalUKobjectionswereasfollows:a)ThereisnoreferenceintheENforewordtoCR12952-17,Water-tubeboilersandauxiliaryinstallations—Part17:Guidelinesfortheinvolvementofaninspectionbodyindependentofthemanufacturer.b)CEN/TC269passedaresolutionthatParts1,2,3,5,6and7bepublishedasapackagenecessaryforthedesign,constructionandsafetyofwater-tubeboilersbutnomentionofthisisgivenintheENforeword.c)6.3.5givesarequirementthatpressurepartsofaboilershallbemarkedwiththemanufacturer’sbrandmarkandpropertyclasssymbol,orthesteelgradecodenumberinaccordancewithENISO4759-1.However,ENISO4759-1onlyreferstotolerancesforfastenersandthereisnomentionofmarking.d)Figure9.4showsvarioustypicalfeaturesrelatingtotubeexpansionbutincorrectlylabelsitem6inthekeyasaradialhole.e)10.4.2describesamethodofpost-weldheattreatment.Thesecondparagraphsgivesarequirementthatwheretheattachingbuttweldisatadistancelessthenfromthebranch/stubtotheshellweld,theheattreatmentshallbeappliedsimultaneouslytothebuttweld.Thisrequirementisincorrectlyillustratedontheleft-handsideofFigure10.4-3as
f)FigureB.1showsexamplesoftubeornozzletoheaderconnections,however,FigureB.1d)isincorrectlydrawn.OntherighthandsideofFigureB.1d)thecentralweldprep
isincorrectlyshowntobeontheinsideofthetube,wheninfactitistheoutsideofthetubethathasbeenmachineddown.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.5ribeb
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SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to80,aninsidebackcoverandabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuAug2310:11:44GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12952-5December2001ICS27.040EnglishversionWater-tubeboilersandauxiliaryinstallations-Part5:WorkmanshipandconstructionofpressurepartsoftheboilerChaudièresàtubesd'eauetinstallationsauxiliaires-Partie5:FabricationetconstructiondespartiessouspressiondeschaudièresWasserrohrkesselundAnlagenkomponenten-Teil5:VerarbeitungundBauausführungfürdrucktragendeKesselteileThisEuropeanStandardwasapprovedbyCENon8September2000.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2001CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12952-5:2