BS EN 720-2-1997 Transportable gas cylinders Ð Gas

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN720-2:1997TheEuropeanStandardEN720-2:1996hasthestatusofaBritishStandardICS71.100.20;75.160.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWTransportablegascylindersÐGasesandgasmixturesPart2.DeterminationofflammabilityandoxidizingabilityofgasesandgasmixturesBSEN720-2:1997ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15March1997©BSI1997ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePVE/3Draftforcomment92/73889DCISBN0580267849AmendmentsissuedsincepublicationAmd.No.DateTextaffectedCommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteePVE/3,Gascontainers,uponwhichthefollowingbodieswererepresented:AluminiumExtruders'AssociationAluminiumFederationBritishCompressedGasesAssociationBritishFireConsortiumBritishGasplcBritishIronandSteelProducers'AssociationBritishSoftDrinksAssociationLtd.EngineeringEquipmentandMaterialsUsers'AssociationFireExtinguishingTradesAssociationHealthandSafetyExecutiveHomeOfficeInstitutionofChemicalEngineersLPGasAssociationMarineSafetyAgencyMinistryofDefenceNationalEngineeringLaboratoryNationalPhysicalLaboratorySafetyAssessmentFederationLtd.SafetyEquipmentAssociationTubeInvestmentsChesterfieldTubeCo.Ltd.TubesInvestmentsLimitedThefollowingbodieswerealsorepresentedinthedraftingofthestandard,throughsubcommitteesandpanels:BritishAssociationofBreathingApparatusServiceEngineersDepartmentofHealthBSEN720-2:1997©BSI1997iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN720-23ii©BSI1997BSEN720-2:1997NationalforewordThisBritishStandardhasbeenpreparedbyTechnicalCommitteePVE/3andistheEnglishlanguageversionofEN720-2:1996TransportablegascylindersÐGasesandgasmixturesPart2.DeterminationofflammabilityandoxidizingabilityofgasesandgasmixturespublishedbytheEuropeanCommitteeforStandardization(CEN).EN720-2wasproducedasaresultofinternationaldiscussionsinwhichtheUnitedKingdomtookanactivepart.TherehaspreviouslybeennoBritishStandarddirectlyequivalenttothisstandard.Cross-referenceInternationalStandardCorrespondingBritishStandardBS2782MethodsoftestingplasticsPart1ThermalpropertiesISO4589Method141:1986DeterminationofflammabilityofoxygenindexCompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to14,aninsidebackcoverandabackcover.CENEuropeanCommitteeforStandardizationComiteÂEuropeÂendeNormalisationEuropaÈischesKomiteefuÈrNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1996CopyrightreservedtoCENmembersRef.No.EN720-2:1996EEUROPEANSTANDARDEN720-2NORMEEUROPEÂENNEEUROPAÈISCHENORMJuly1996ICS71.100.20;75.160.30Descriptors:Gas,gasmixtures,flammablegases,classifications,flammabilitytesting,oxidationtests,computation,flammability,toxicity,tables(data)EnglishversionTransportablegascylindersÐGasesandgasmixturesPart2:DeterminationofflammabilityandoxidizingabilityofgasesandgasmixturesBouteillesaÁgaztransportablesÐGazetmeÂlangesdegazÐPartie2:DeÂterminationdupotentield'inflammabiliteÂetd'oxydationdesgazetmeÂlangesdegazOrtsbeweglicheGasflaschenÐGaseundGasgemischeÐTeil2:BestimmungderBrennbarkeitunddesOxidationsvermoÈgensvonGasenundGasgemischenThisEuropeanStandardwasapprovedbyCENon1996-02-10.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.Page2EN720-2:1996©BSI1997ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC23,Transportablegascylinders,thesecretariatofwhichisheldbyBSI.ThisEuropeanStandardisatwoPartstandard,belongingtoaseriesofstandardsrelatingtogasesandgasmixtures:Part1.Propertiesofsinglecomponentgases;Part2.Determinationofflammabilityandoxidizingabilityofgasesandgasmixtures.ISOStandardISO10156wasusedasabasedocument.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyJanuary1997,andconflictingnationalstandardsshallbewithdrawnatthelatestbyJanuary1997.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesarebound