BS EN 874-1995 Gas welding equipment — Oxygenfuel

BRITISHSTANDARDBSEN874:1995Gasweldingequipment—Oxygen/fuelgasblowpipes(cuttingmachinetype)ofcylindricalbarrel—Typeofconstruction,generalspecifications,testmethodsTheEuropeanStandardEN874:1995hasthestatusofaBritishStandardICS25.160.30BSEN874:1995ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15December1995©BSI10-1999ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceWEE/18Draftforcomment92/83315DCISBN0580246787CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteeWEE/18,Gasweldingandcuttingappliances,uponwhichthefollowingbodieswererepresented:BritishCompressedGasesAssociationBritishRailwaysBoardConsumerPolicyCommitteeofBSIDepartmentofTradeandIndustry(ConsumerSafetyUnit,CADivision)HealthandSafetyExecutiveLPGasAssociationRailwayIndustryAssociationSouthBankUniversityWeldingManufacturers’Association(BEAMALtd.)AmendmentsissuedsincepublicationAmd.No.DateCommentsBSEN874:1995©BSI10-1999iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN874:19953ListofreferencesInsidebackcoverBSEN874:1995ii©BSI10-1999NationalforewordThisBritishStandardhasbeenpreparedbyTechnicalCommitteeWEE/18andistheEnglishlanguageversionofEN874:1995Gasweldingequipment—Oxygen/fuelgasblowpipes(cuttingmachinetype)ofcylindricalbarrel—Typeofconstruction,generalspecifications,testmethods,publishedbytheEuropeanCommitteeforStandardization(CEN).EN874:1995wasproducedasaresultofinternationaldiscussioninwhichtheUKtookanactivepart.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.Cross-referencesPublicationreferredtoCorrespondingBritishStandardEN29090:1992BSEN29090:1992SpecificationforgastightnessofequipmentforgasweldingandalliedprocessesEN29539:1992BSEN29539:1992Specificationformaterialsforequipmentusedingaswelding,cuttingandalliedprocessesISO3:1973BS2045:1965PreferrednumbersSummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to20,aninsidebackcoverandabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN874April1995ICS25.160.30Descriptors:Weldingequipment,oxygencutting,oxyacetylenecutting,blowpipes,dimensions,safety,performanceevaluation,testingconditions,testsEnglishversionGasweldingequipment—Oxygen/fuelgasblowpipes(cuttingmachinetype)ofcylindricalbarrel—Typeofconstruction,generalspecifications,testmethodsMatérieldesoudageauxgaz—Chalumeauxoxy-gazcombustible(typemachined’oxycoupage)àcorpscylindrique—Typedeconstruction,spécificationsgénérales,méthodesd’essaiGasschweißgeräte—MaschinenschneidbrennermitzylindrischenSchaftfürBrenngas/Sauerstoff—Bauarten,allgemeineAnforderungen,PrüfverfahrenThisEuropeanStandardwasapprovedbyCENon1995-01-09.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.CENEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1995AllrightsofreproductionandcommunicationinanyformandbyanymeansreservedinallcountriestoCENanditsmembersRef.No.EN874:1995EEN874:1995©BSI10-19992ForewordThisEuropeanStandardhasbeenpreparedbytheTechnicalCommitteeCEN/TC121,Welding,ofwhichthesecretariatisheldbyDS.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyOctober1995,andconflictingnationalstandardsshallbewithdrawnatthelatestbyOctober1995.AccordingtotheCEN/CENELECInternalRegulations,thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.ContentsPageForeword21Scope32Normativereferences33Terminology34Definitions35Dimensions56Hoseconnections57Material58Marking69Safetyandoperationalrequirements610Testconditions711Instructionsforuse15AnnexA(informative)Cuttingnozzlesseatsandfixing16AnnexB(informative)Terminolog