1、BRITISH STANDARD BS EN 14208:2004 Transportable gas cylinders Specification for welded pressure drums up to 1 000 litre capacity for the transport of gases Design and construction The European Standard EN 14208:2004 has the status of a British Standard ICS 23.020.30 BS EN 14208:2004 This British Sta
2、ndard was published under the authority of the Standards Policy and Strategy Committee on 2 April 2004 BSI 2 April 2004 ISBN 0 580 43637 3 National foreword This British Standard is the official English language version of EN 14208:2004. The UK participation in its preparation was entrusted by Techn
3、ical Committee PVE/3, Gas containers, to Subcommittee PVE/3/3, Transportable gas containers Cylinders Design, construction and test at the time of manufacture, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross
4、references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of B
5、ritish Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; pre
6、sent to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an
7、 inside front cover, the EN title page, pages 2 to 42, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN14
8、208 February2004 ICS23.020.30 Englishversion TransportablegascylindersSpecificationforweldedpressure drumsupto1000litrecapacityforthetransportofgases Designandconstruction BouteillesgaztransportablesSpcificationpourlesfts soudsdecapacitinfrieureougale1000litres destinsautransportdesgazConceptionetfa
9、brication OrtsbeweglicheGasflaschenSpezifikationfr geschweiteDruckfssermiteinemFassungsraumbiszu 1000literfrdenTransportvonGasenGestaltungund Konstruktion ThisEuropeanStandardwasapprovedbyCENon4December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsfo
10、rgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversionin
11、anyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland
12、Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrigh
13、tsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN14208:2004EEN14208:2004(E) 2 Contents Page Introduction 4 1 Scope . 5 2 Normativereferences . 5 3 Terms,definitionsandsymbols 6 4 Materials. 8 5 Design 9 6 Liftingattachments. 16 7 ManufacturingprocessWeldingproc
14、edures 16 8 Fabrication. 18 9 Weldedjoints. 18 10 Surfacefinishofmaterial. 18 11 Assembly . 18 12 Repairofwelddefects. . 19 13 Constructionandworkmanship. . 19 14 Testingandexamination 20 15 Newdesigntests. 25 16 Informationtobemarked. 26 17 Records 27 AnnexA (normative) Description,evaluationofmanu
15、facturingdefectsandconditionsforrejectionof weldedsteelpressuredrumsattimeofvisualinspection. 28 AnnexB (informative) Examplesofdesigntestandbatchtestcertificates . 31 AnnexC (informative) Guidanceontheapplicationofconformityassessmentmoduleswhenusing thisstandard 37 Bibliography . 42EN14208:2004(E)
16、 3 Foreword Thisdocument(EN14208:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC23“Transportablegas cylinders”,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2004,andconflictingnati
17、onalstandardsshallbewithdrawnatthelatestby August2004. ThisEuropeanStandardhasbeensubmittedforreferenceintotheRIDand/orinthetechnicalannexesoftheADR. Thereforeinthiscontextthestandardslistedinthenormativereferencesandcoveringbasicrequirementsofthe RID/ADRnotaddressedwithinthepresentstandardarenormat
18、iveonlywhenthestandardsthemselvesare referredtointheRIDand/orinthetechnicalannexesoftheADR. AnnexAisnormativeandannexesBandCareinformative. Thisdocumentincludesabibliography. ForrelationshipswithECdirectives,RIDandADRseeinformativeannexC,whichisanintegralpartofthis document. AccordingtotheCEN/CENELE
19、CInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark, Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta, Netherlands,Norway,Poland,Portuga
20、l,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EN14208:2004(E) 4 Introduction ThepurposeofthisEuropeanStandardistoprovideaspecificationforthedesign,manufacture,inspectionand approvalofweldedsteelpressuredrums. Thespecificationsgivenarebasedonknowledgeofandexperiencewith,materials,desig
21、nrequirements, manufacturingprocessesandcontrolduringmanufactureofsteeldrumsincommonuseinthecountriesofthe CENmembers.EN14208:2004(E) 5 1Scope ThisEuropeanStandardspecifiestheminimumrequirementsforthematerial,design,constructionand workmanship,inspectionandtestingatmanufactureofrefillableweldedsteel
22、pressuredrums,hereafterreferredto asdrums,ofvolumesof150litresupto1000litresforcompressedandliquefiedgases.Cylindricalandspherical containersarecovered. 2 Normativereferences ThisStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.Thesenormative referencesarecitedattheappro
23、priateplaceinthetextandpublicationsarelistedhereafter.Fordatedreferences, subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonlywhen incorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies(includingamendments). EN
24、2871, ApprovaltestingofweldersFusionweldingPart1:Steels ENISO15607,SpecificationandqualificationofweldingproceduresformetallicmaterialsGeneralrules(ISO 15607:2003) EN2883, SpecificationandapprovalofweldingproceduresformetallicmaterialsPart3:Weldingprocedure testsforthearcweldingofsteels EN4623, Nond
25、estructivetestingImagequalityofradiographsPart3:Imagequalityclassesforferrous metals EN6291, Transportablegascylinders25EtaperthreadforconnectionofvalvestogascylindersPart1: Specification EN895, DestructivetestsonweldsinmetallicmaterialsTransversetensiletest EN910, Destructivetestsonweldsinmetallicm
26、aterialsBendtests EN970, NondestructiveexaminationoffusionweldsVisualexamination EN1435, NondestructiveexaminationofweldsRadiographicexaminationofweldedjoints EN1714, Nondestructiveexaminationofwelds Ultrasonicexaminationofweldedjoints EN100024, MetallicmaterialsTensiletestPart4:Verificationofextens
27、ometersusedinuniaxialtesting EN100281, FlatproductsmadeofsteelsforpressurepurposesPart1:Generalrequirements EN100282, FlatproductsmadeofsteelsforpressurepurposesPart2:Nonalloyandalloysteelswithspecified elevatedtemperatureproperties EN100283, FlatproductsmadeofsteelsforpressurepurposesPart3:Weldable
28、finegrainsteels,normalized EN100284, FlatproductsmadeofsteelsforpressurepurposesPart4:Nickelalloysteelswithspecifiedlow temperatureproperties EN100285, Flatproductsmadeofsteelsforpressurepurposes Part5:Weldablefinegrainsteels, thermomechanicallyrolled EN100287, Flatproductsmadeofsteelsforpressurepur
29、posesPart7:StainlesssteelsEN14208:2004(E) 6 EN100451, MetallicmaterialsCharpyimpacttestPart1:Testmethod EN100881, StainlesssteelsPart1:Listofstainlesssteels EN100882, StainlesssteelsPart2:Technicaldeliveryconditionsforsheet/plateandstripforgeneralpurposes EN100883, StainlesssteelsPart3:Technicaldeli
30、veryconditionsforsemifinishedproducts,bars,rodsand sectionsforgeneralpurposes EN12517, NondestructiveexaminationofweldsRadiographicexaminationofweldedjointsAcceptancelevels EN134452, UnfiredpressurevesselsPart2:Materials EN22063,MetallicandotherinorganiccoatingsThermalsprayingZinc,aluminiumandtheira
31、lloys (ISO2063:1991,modified) ENISO5817:2003,WeldingFusionweldedjointsinsteel,nickel,titaniumandtheiralloys(beamwelding excluded)Qualitylevelsforimperfections(ISO5817:2003 ENISO85011, PreparationofsteelsubstratesbeforeapplicationofpaintsandrelatedproductsVisual assessmentofsurfacecleanlinessPart1:Ru
32、stgradesandpreparationgradesofuncoatedsteelsubstratesandof steelsubstratesafteroverallremovalofpreviouscoatings(ISO85011:1988) ENISO111141, Transportablegascylinders Compatibilityofcylinderandvalvematerialswithgascontents Part1:Metallicmaterials(ISO111141:1997) ENISO111142, Transportablegascylinders
33、CompatibilityofcylinderandvalvematerialswithgascontentsPart 2: Nonmetallicmaterials(ISO111142:2000) ENISO111161, Gascylinders17EtaperthreadforconnectionofvalvestogascylindersPart1:Specifications (ISO111161:1999) 3 Terms,definitionsandsymbols Forthepurposesofthisstandard,thefollowingterms,definitions
34、andsymbolsapply: 3.1Termsanddefinitions 3.1.1 yieldstress valuecorrespondingtotheloweryieldstressor,forsteelsthatdonotexhibitadefinedyieldpoint,the0,2%proof stress(1%proofstressforausteniticstainlesssteel) 3.1.2 normalizing heattreatmentgiventothesteelbyheatingtoauniformtemperatureabovetheuppercriti
35、calpoint(AC 3 )ofthe steelandthencooledinacontrolledatmosphere 3.1.3 stressrelieving heattreatmentgiventoreducetheresidualstressesofthesteel 3.1.4 batch quantityoffinisheddrumsmadeconsecutivelyduringthesameorconsecutiveworkingdaystothesamedesign, sizeandmaterialspecifications;usingthesameweldingproc
36、edures;andheattreatedunderthesameconditions oftemperatureanddurationEN14208:2004(E) 7 3.1.5 testpressure pressureappliedtothedrumaftercompletionofallfabrication;itistheparameterusedtodesignthedrum 3.1.6 finisheddrum drumwhichisfullyassembledandappropriatelystampmarked,butwithoutanyexternalcoatings 3
37、2Symbols a 1 Minimumthicknessofthecylindricalpartofthedrumbasedonpressurecriteria,inmm a 2 Minimumthicknessofcylindricalshellordishedendbasedonhandlingcriterion,inmm B Areatobecompensated,inmm 2 b 1 Calculatedminimumthicknessofdishedends,inmm c 1 Calculatedminimumthicknessofasphericalshellorhemisph
38、ericaldishedends,inmm D d Diameterofvalveprotectiondome,inmm D o Maximumoutsidediameterofthedrum,inmm D i Internaldiameter f c Maximumallowablestressforthecylindricalsectionofthedrum,inMPa f e Maximumallowablestressforthedishedendsofthedrum,inMPa f p Maximumallowablestressforthepadmaterialofthedrum,
39、inMPa f s Maximumallowablestressforthesphericalsectionofthedrum,inMPa H Heightofthedishedend H 0 Externalheightofthedomedpartoftheend,inmm H e Equivalentheightofadishedendfordeterminingtheshapefactor,inmm k Minimumlengthoftheedgeontheshroudorofthedrum,inthecaseofdishedendsconvextopressure,to ensurec
40、ompatibilitywithhooks(seeFigure5) K Shapefactorofthedishedends L Thedimensionbetweentheexternalsurfaceoftheshroudorofthedrum,inthecaseofdishedendsconvexto pressure,andtheinternalsurfaceoftheedge(seeFigure5) N Largestdimensioningofanopening,inmm P Maximumdimensionofpadsthatcanbeconsideredascompensati
41、on,inmm p h Testpressure,inbar 1) aboveatmosphericpressure Q Radiusofequivalentspherewhencalculatingcompensation,inmm 1) 1bar=10 5 Pa=0,1MPa=0,1N/mm 2EN14208:2004(E) 8 R 0 Externalradiusofthecrownofatorisphericaldishedend,inmm r 0 Externalradiusoftheknuckleofatorisphericaldishedend,inmm R m Actualva
42、lueoftensilestrength,inMPa S Thicknessofshellinareatobecompensated,inmm S f Lengthofstraightflangeonatorisphericalorellipsoidaldishedend,inmm s 1 Minimumthicknessofsphericalsection,inmm S f Lengthofastraightflangeonatorisphericalorellipsoidaldishedend,inmm T Minimumvalueoftensilestrength,inMPa t e T
43、hicknessofunpiercedendinlocationofopening,inmm Y Minimumguaranteedvalueofyieldstressofthematerialintherelevantpartofthefinisheddrum,inMPa 4Materials 4.1Generalprovisions 4.1.1 MaterialsforthepressureenvelopeshallconformtoEN100281to5forcarbonsteelsandforaustenitic stainlesssteelseitherEN100287orEN100881to3 . 4.1.2 Thematerialsusedforthedrumshallbecompatiblewiththeintendedgasservicee.g. corrosiveor embrittlinggases.SeeENISO111141
