BS EN 13953-2003 Pressure relief valves for transp

BRITISHSTANDARDBSEN13953:2003PressurereliefvalvesfortransportablerefillablecylindersforLiquefiedPetroleumGas(LPG)TheEuropeanStandardEN13953:2003hasthestatusofaBritishStandardICS23.060.40

 
 LicensedCopy:UniofScience&TechnologyUser,UniversityofScience&Tech,SatSep2417:10:11BST2005,UncontrolledCopy,(c)BSIBSEN13953:2003ThisBritishStandard,waspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon01July2003©BSI01July2003ISBN0580422089NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN13953:2003.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/19,LPGcontainersandtheirassociatedfittings,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to15andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:UniofScience&TechnologyUser,UniversityofScience&Tech,SatSep2417:10:11BST2005,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN13953May2003ICS23.060.40EnglishversionPressurereliefvalvesfortransportablerefillablecylindersforLiquefiedPetroleumGas(LPG)Soupapesdesûretédesbouteillestransportablesetrechargeablespourgazdepétroleliquéfiés(GPL)Sicherheitsventilefürortsbewegliche,wiederbefüllbareFlaschenfürFlüssiggas(LPG)ThisEuropeanStandardwasapprovedbyCENon21April2003.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.EN13953:2003ELicensedCopy:UniofScience&TechnologyUser,UniversityofScience&Tech,SatSep2417:10:11BST2005,UncontrolledCopy,(c)BSIEN13953:2003(E)2ContentsPageForeword......................................................................................................................................................................31Scope..............................................................................................................................................................42Normativereferences....................................................................................................................................43Terms,definitionsandabbreviations..........................................................................................................43.1Termsanddefinitions....................................................................................................................................43.2Abbreviations.................................................................................................................................................64Operatingtemperatures................................................................................................................................65Materials..........................................................................................................................................................65.1General............................................................................................................................................................65.2Metallicmaterials.................................................................................................