BRITISHSTANDARDBSEN14129:2004PressurereliefvalvesforLPGtanksTheEuropeanStandardEN14129:2004hasthestatusofaBritishStandardICS23.060.40 LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,WedOct1823:22:07GMT+00:002006,UncontrolledCopy,(c)BSI©BSI17November2004ISBN058044774XNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN14129:2004.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/19,LPGcontainersandtheirassociatedfittings,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to19andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,WedOct1823:22:07GMT+00:002006,UncontrolledCopy,(c)BSI(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.EN14129:2004:ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,WedOct1823:22:07GMT+00:002006,UncontrolledCopy,(c)BSI(E)2ContentsPageForeword..............................................................................................................................................................31Scope......................................................................................................................................................42Normativereferences............................................................................................................................43Termsanddefinitions...........................................................................................................................54Operatingconditions.............................................................................................................................85Materials.................................................................................................................................................85.1General....................................................................................................................................................85.2Metallicmaterials...................................................................................................................................95.3Non-metalliccomponents.....................................................................................................................95.4Lubricants,sealants,andadhesives...................................................................................................95.5Certification...........................................................................................................