BS EN 629-2-1996 Transportable gas cylinders Ð 25E

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN629-2:1996TheEuropeanStandardEN629-2:1996hasthestatusofaBritishStandardICS23.020.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWTransportablegascylindersÐ25EtaperthreadforconnectionofvalvestogascylindersPart2.GaugeinspectionThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15December1996©BSI1996ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePVE/3/1Draftforcomment92/72647DCISBN0580264521BSEN629-2:1996AmendmentsissuedsincepublicationAmd.No.DateTextaffectedCommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteePVE/3,Gascontainers,toSubcommitteePVE/3/1,Valvefittingsforgascontainers,uponwhichthefollowingbodieswererepresented:AluminiumFederationBritishCompressedGasesAssociationHealthandSafetyExecutiveMinistryofDefenceCo-optedmembersBSEN629-2:1996©BSI1996iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN629-23ii©BSI1996BSEN629-2:1996NationalforewordThisBritishStandardhasbeenpreparedbySubcommitteePVE/3/1andistheEnglishlanguageversionofEN629-2:1996TransportablegascylindersÐ25EtaperthreadforconnectiontogascylindersÐPart2:Gaugeinspection,publishedbytheEuropeanCommitteeforStandardization(CEN).EN629-2wasproducedasaresultofinternationaldiscussioninwhichtheUnitedKingdomtookpart.Cross-referencesPublicationreferredtoCorrespondingBritishStandardEN629-1:1996BSEN629TransportablegascylindersÐ25EtaperthreadforconnectiontogascylindersPart1:1996SpecificationCompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.CENEuropeanCommitteeforStandardizationComiteÂEuropeÂendeNormalisationEuropaÈischesKomiteefuÈrNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1996AllrightsofreproductionandcommunicationinanyformandbyanymeansreservedinallcountriestoCENanditsmembers.Ref.No.EN629-2:1996EEUROPEANSTANDARDEN629-2NORMEEUROPEÂENNEEUROPAÈISCHENORMJune1996ICS23.020.30Descriptors:Gascylinders,gasvalves,junctions,taperedscrewthreads,specifications,dimensions,dimensionalmeasurements,standardgaugesEnglishversionTransportablegascylindersÐ25EtaperthreadforconnectionofvalvestogascylindersÐPart2:GaugeinspectionBouteillesaÁgaztransportablesÐFiletagesconiques25EpourleraccordementdesrobinetssurlesbouteillesaÁgazÐPartie2:CalibresdeveÂrificationOrtsbeweglicheGasflaschenÐ25EkegeligesGewindezumAnschlubvonVentilenanGasflaschenÐTeil2:LehrenpruÈfungThisEuropeanStandardwasapprovedbyCENon1995-12-03.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.Page2EN629-2:1996©BSI1996ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC23,Transportablegascylinders,thesecretariatofwhichisheldbyBSI.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember1996,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember1996.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ContentsPageForewordIntroduction1Scope32Normativereference33Definitions34Requirements35Gaugedimensions36Inspectiongauges57Useofinspectiongauges128Verificationofinspectiongauges139Identification13AnnexA(informative)Examplesofcalculationforthreadgaugedimensionsonthelargeenddiameter15AnnexB(informative)Limitationsofgaugingsystem15Page3EN629-2:1996©BSI1996IntroductionThisEuropeanStandardisatwopartstandard,belongingtoaseriesofstandardsspecifyingthreaddimensionsandgaugerequirements:±Part1:Specification;±Part2:Gaugeinspection.1ScopeThisEuropeanStandardspecifiestypes,dimensionsandprinciplesofuseofgauges,tobeusedinconjunctionwiththetaperthreadspecifiedinEN629-1.AnnexAprovidesexamplesofcalculationsforthreadgaugedimensionsonthelargeenddiameter.AnnexBdrawsattentiontothelimitationsofthegaugingsystemspecified.2NormativereferenceThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfrom