1、BRITISH STANDARD BS EN 14197-2:2003 +A1:2006 Incorporating corrigendum August 2006 Cryogenic vessels Static non-vacuum insulated vessels Part 2: Design, fabrication, inspection and testing ICS 23.020.40 BS EN 14197-2:2003+A1:2006 This British Standard was published under the authority of the Standar
2、ds Policy and Strategy Committee on 9 December 2003 BSI 2008 ISBN 978 0 580 61537 5 National foreword This British Standard is the UK implementation of EN 14197-2:2003+A1:2006, incorporating corrigendum August 2006. It supersedes BS EN 14197-2:2003 which is withdrawn. The start and finish of text in
3、troduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !“. The start and finish of text introduced or altered by corrigendum is indicated in the text b
4、y tags. Text altered by CEN corrigendum August 2006 is indicated in the text by . The UK participation in its preparation was entrusted to Technical Committee PVE/18, Cryogenic vessels. A list of organizations represented on this committee can be obtained on request to its secretary. This publicatio
5、n does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication Date Comments Implementation of CEN amendment
6、A1:2006 and CEN corrigendum August 2006 30 May 2008EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN141972:2003+A1 August2006 ICS23.020.40 Englishversion CryogenicvesselsStaticnonvacuuminsulatedvesselsPart 2:Design,fabrication,inspectionandtesting RcipientscryogniquesRcipientsfixes,nonisolssous vide
7、Partie2:Conception,fabrication,inspectionetessais KryoBehlterOrtsfeste,nichtvakuumisolierteBehlter Teil2:Bemessung,HerstellungundPrfung ThisEuropeanStandardwasapprovedbyCENon1September2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope
8、an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagema
9、debytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,N
10、etherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnati
11、onalMembers. Ref.No.EN141972:2003E Incorporating corrigendum August 20062 Contents page Foreword5 1 Scope.7 2 Normativereferences .7 3 Termsanddefinitionsandsymbols. 8 3.1 Termsanddefinitions . .8 3.2 Symbols.9 4 Design10 4.1 Designopt ions10 4.2 Commondesignrequirements .10 4.3 Designbycalculation
12、. .14 Figure1Stiffeningrings 24 Figure2Sectionalmaterialsstiffeners 24 Figure3Dishedends. 25 Figure4a)Unpierceddishedend. 25 Figure4b)Dishedendwithnozzle. 25 Figure4c)Endwithknuckleandcrownofunequalwallthickness . 26 Figure4d)Weldoutside0,6 D a .26 Figure4e)Weldinside0,6 D a .26 Figure4f)Endweldedto
13、getherfromroundplateandsegments 27 Figure5Designfactors bb for10%torisphericaldishedends 27 Figure6Designfactors bb for2:1torisphericaldishedends . 28 Figure7a)Geometryofconvergentconicalshells 28 Figure7b) Geometryofadivergentconicalshell 29 Figure8Geometryofaconeopening 29 Figure9Geometricaldimens
14、ionsinthecaseofloadingbyexternalpressure 29 Figure10.1Permissiblevalue v K pS 15 forconvergentconewithanopeningangle jj =10 . 30 Figure10.2Permissiblevalue v 15K pS orconvergentconewithanopeningangle jj =20 31 Figure10.3Permissiblevalue v 15K pS forconvergentconewithanopeningangle j =30. 32 Figure10
15、.4Permissiblevalue v 15K pS forconvergentconewithanopeningangle j =40. 33 Figure10.5Permissiblevalue v 15K pS forconvergentconewithanopeningangle j =50. 34 Introduction6 BS EN 14197-2:2003+A1:20063 Figure10.6Permissiblevalue v 15K pS forconvergentconewithanopeningangle =60. 35 Figure10.7Permissiblev
16、alue v 15K pS forconvergentconewithanopeningangle =70. 36 Figure10.8Permissiblevalue v 15K pS forconvergentcone(cornerjoint)withanopeningangle j =10 to 70.37 Figure11Openingfactor C A forflatendsandplateswithoutadditionalmarginalmoment . 38 Figure12Designfactorsforunstayedcircularflatendsandplates .
17、40 Figure13Designfactor C E forrectangularorellipticalflatplates. 41 Figure14Increasedthicknessofacylindricalshell . .42 Figure15Increasedthicknessofaconicalshell. .42 Figure16Setonreinforcementring 42 Figure17Setinreinforcementring .42 Figure18Padreinforcement .43 Figure19Nozzlereinforcement. .43 F
18、igure20Neckedoutopening. .43 Figure21Pad 44 Figure22Calculationschemeforcylindricalshells 44 Figure23Calculationschemeforsphericalshells 45 Figure24Calculationschemeforadjacentnozzlesorinalongitudinaldirectionofacylinder. 45 Figure25Openingsbetweenlongitudinalandcircumferentialdirection 46 Figure26C
19、alculationschemeforadjacentnozzlesinasphereorinacircumferentialdirection of a cylinder.46 5 Fabrication 47 5.1 General 47 5.2 Cutting.47 5.3 Coldforming .47 5.4 Hotforming. 48 5.5 Manufacturingtolerances .49 Figure27a)Seamswhichdonotrequireataper .50 Figure27b)Seamswhichdorequireataper .50 Figure27P
20、latealignment 50 Figure28Gaugedetails .52 5.6 Welding .52 5.7 Nonweldedpermanentjoints. 53 6 Inspectionandtesting .54 6.1 Qualityplan. .54 6.2 Productioncontroltestplates 54 6.3 Nondestructivetesting . 56 6.4 Rectification59 6.5 Pressuretesting .60 AnnexA(normative) Elasticstressanalysis. .61 A.1 Ge
21、neral 61 A.2 Terminology61 A.3 Limitforlongitudinalcompressivegeneralmembranestress . 63 jj jj j BS EN 14197-2:2003+A1:20064 A.4 Stresscategoriesandstresslimitsforgeneralapplication 64 A.5 Specificcriteria,stresscategoriesandstresslimitsforlimitedapplication. 65 FigureA.2Forvesselsnotsubjecttoextern
22、alpressure .69 AnnexB(normative) AdditionalRequirementsfor9%Nisteel 70 B.1 Introduction.70 B.2 Specificrequirements. .70 AnnexC(Informative) Pressure strengtheningofvesselsfromausteniticstainlesssteels 72 C.1 Introduction.72 C.2 Fieldofapplication .72 C.3 Definitionsandunitsofmeasurement .72 C.4 Mat
23、erials73 C.5 Design74 C.6 Manufacturingandinspection 77 C.7 Comments.78 FigureC.1Stress/straincurveforcarbonsteel 79 FigureC.2Stress/straincurveforausteniticstainlesssteel. 79 AnnexD(informative) Pressurelimitingsystems 84 FigureD.1Examplesofreliefsystems 84 AnnexE(informative) Specificwelddetails .
24、 .85 E.1 Fieldofapplication .85 E.2 Specificwelddetail 85 E.3 Oxygenservicerequirements. 86 FigureE.1Jogglejoint .86 FigureE.2Intermediateend 87 FigureE.3Backingstrip . .87 FigureE.4Endplateclosure(examples) .88 FigureE.5Partialpenetrationnozzlewelds 88 AnnexF(normative) Additionalrequirementsforfla
25、mmablefluids 89 AnnexG(informative) Increasedmaterialpropertyforausteniticstainlesssteel 90 AnnexH(normative) Basematerials .91 Othermaterials. .93 AnnexZA(informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives. 95 AnnexI (informative) BS EN 14197-2
26、:2003+A1:2006 FigureA.1 Stress categories and limits of stress intensity .68 Bibliography 965 Foreword Thisdocument(EN141972:2003)hasbeenpreparedbyCEN/TC268,“Cryogenicvessels“,thesecretariatof whichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanide
27、nticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDi
28、rective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. EN14197consistsofthefollowingpartsunderthegeneraltitle,“ CryogenicvesselsStaticnonvacuuminsulated vessels“: Part1:Fundamentalrequirements ; Part2:Design,fabrication,inspectionandtesting; Part3:Operationalrequirements. AnnexesA,B,F
29、,GandIarenormative.AnnexesC,D,E,HandJareinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxemb
30、ourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Foreword to amendment A1 This document (EN 14197-2:2003/A1:2006) has been prepared by Technical Committee CEN/TC 268 “Cryogenic vessels”, the secretariat of which is held by AFNOR. This Amendment to the Eur
31、opean Standard EN 14197-2:2003 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2007, and conflicting national standards shall be withdrawn at the latest by February 2007. This document has been prepared under a
32、 mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulat
33、ions, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norw
34、ay, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 14197-2:2003+A1:2006 The European Committee for Standardization (CEN) draws attention to the fact that it is claimed that compliance with this document may involve the use of patents applied to st
35、eel grades 1.4362 and 1.4410. CEN takes no position concerning the evidence, validity and scope of these patent rights. The holders of these patent rights have assured CEN that they are willing to negotiate licences, under reasonable and non-discriminatory terms and conditions, with applicants throu
36、ghout the world. In this respect, the statements of the holders of these patent rights are registered with CEN. Information may be obtained from: AB Sandvik Materials Technology SE-811 81 SANVIKEN Sweden Attention is drawn to the possibility that some of the elements within this document may be the
37、subject of patent rights other than those indicated above. CEN shall not be responsible for identifying any or all such patent rights. Introduction 6 BS EN 14197-2:2003+A1:20061Scope ThisEuropeanStandardspecifiesrequirementsforthedesign,fabrication,inspectionandtestingofstaticnon vacuuminsulatedcryo
38、genicvesselsdesignedforamaximumallowablepressureofmorethan0,5bar. ThisEuropeanstandardappliestostaticnonvacuuminsulatedcryogenicvesselsforfluidsasspecifiedin EN141971anddoesnotapplytovesselsdesignedfortoxicfluids. Forstaticnonvacuuminsulatedcryogenicvesselsdesignedforamaximumallowablepressureofnotmo
39、rethan 0,5barthisEuropeanStandardmaybeusedasaguide. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamend
40、mentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN2871, ApprovaltestingofweldersFusionweldingPart1:Steels . EN2872, Approvaltestingofwelder
41、sFusionweldingPart2:Aluminiumandaluminiumalloys . EN2883:1992,SpecificationandapprovalofweldingproceduresformetallicmaterialsPart3:Welding proceduretestsforthearcweldingofsteels . EN2884:1992,SpecificationandapprovalofweldingproceduresformetallicmaterialsPart4:Welding proceduretestsforthearcweldingo
42、faluminiumanditsalloys . EN2888, SpecificationandapprovalofweldingproceduresformetallicmaterialsPart8:Approvalbyapre productionweldingtest . EN473:2000, Nondestructivetesting QualificationandcertificationofNDTpersonnelGeneralprinciples . EN875:1995,DestructivetestsonweldsinmetallicmaterialsImpacttes
43、tsTestspecimenlocation,notch orientationandexamination . EN895, DestructivetestsonweldsinmetallicmaterialsTransversetensiletest . EN910, DestructivetestsonweldsinmetallicmaterialsBendtests. EN12521:1998, CryogenicvesselsMaterialsPart1:Toughnessrequirementsfortemperaturesbelow80 C. EN12522, Cryogenic
44、vesselsMaterialsPart2:Toughnessrequirementsfortemperaturesbetween80Cand 20C . EN1418, WeldingpersonnelApprovaltestingofweldingoperatorsforfusionweldingandresistanceweldsetters forfullymechanizedandautomaticweldingofmetallicmaterials . EN1435, NondestructiveexaminationofweldsRadiographicexaminationofweldedjoints. EN1626:1999, CryogenicvesselsValvesforcryogenicservice . EN17081:1999, WeldingBasicweldjointdetailsinsteelPart1:Pres
