BS EN 12953-8 2001

BRITISHSTANDARDBSEN12953-8:2001IncorporatingCorrigendumNo.1Shellboilers—Part8:RequirementsforsafeguardsagainstexcessivepressureTheEuropeanStandardEN12953-8:2001hasthestatusofaBritishStandardICS27.060.30;27.100

 
 LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMay1511:08:22GMT+00:002007,UncontrolledCopy,(c)BSIBSEN12953-8:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorPolicyandStrategyCommittee,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon24May2002©BSI6August2002ISBN0580397750NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12953-8:2001,includingCorrigendumMay2002.ItpartiallysupersedesBS2790:1992andBS1894:1992whichwillbewithdrawnwhenParts1,2,3,4,5,6and9ofBSEN12953arepublished.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/16,Shellboilers,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.AdditionalinformationTheUnitedKingdomvotedagainsttheacceptanceofthisEuropeanStandardattheFormalVotestage.TheprincipalUKobjectionshavebeenresolvedbytheissueofCorrigendumNo.1.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to7andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.Sidelininginthisdocumentindicatesthemostrecentchangesbyamendment.AmendmentsissuedsincepublicationAmd.No.DateComments14006Corr.No.16August2002IndicatedbyasidelineLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMay1511:08:22GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12953-8November2001ICS27.060.30;27.100IncorporatingcorrigendumMay2002EnglishversionShellboilers-Part8:RequirementsforsafeguardsagainstexcessivepressureChaudièresàtubesdefumée-Partie8:Exigencespourlaprotectionvis-à-visdesexcèsdepressionGroßwasserraumkessel-Teil8:AnforderungenanSicherheitseinrichtungengegenDrucküberschreitungThisEuropeanStandardwasapprovedbyCENon7September2001.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.EN12953-8:2001ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueMay1511:08:22GMT+00:002007,UncontrolledCopy,(c)BSIEN12953-8:2001(E)Issue1(2001:11)2ContentsPageForeword....................................................................................................................31Scope....................................................................................................................42Normativereferences..........................................................................................43Termsanddefinitions.........................................................................................44Requirements......................................................................................................44.1Generalrequirementsforsafeguards(safetypressurereliefdevices)................44.2Dischargecapacity................................................................................................54.3Setpressures.......................................................................................................54.4Cross-sectionsandpressurelossesintheinletpipeofsafetyvalvesinaccordancewithprENISO412