BS EN 14620-4-2006 Part 4 Insulation components

BRITISHSTANDARDBSEN14620-4:2006Designandmanufactureofsitebuilt,vertical,cylindrical,flat-bottomedsteeltanksforthestorageofrefrigerated,liquefiedgaseswithoperatingtemperaturesbetween0°Candp165°C—Part4:InsulationcomponentsTheEuropeanStandardEN14620-4:2006hasthestatusofaBritishStandardICS23.020.10  LicensedCopy:WangBin,na,FriMar2307:44:10GMT+00:002007,UncontrolledCopy,(c)BSIBSEN14620-4:2006ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon29December2006©BSI2006ISBN058049778XNationalforewordThisBritishStandardwaspublishedbyBSI.ItistheUKimplementationofEN14620-4:2006.Thisstandard,togetherwithBSEN14620-3:2006,supersedesBS7777-3:1993whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePVE/15,Storagetanksforthepetroleumindustry.AlistoforganizationsrepresentedonPVE/15canbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:WangBin,na,FriMar2307:44:10GMT+00:002007,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN14620-4September2006ICS23.020.10EnglishVersionDesignandmanufactureofsitebuilt,vertical,cylindrical,flat-bottomedsteeltanksforthestorageofrefrigerated,liquefiedgaseswithoperatingtemperaturesbetween0°Cand-165°C-Part4:InsulationcomponentsConceptionetfabricationderéservoirsenacieràfondplat,verticaux,cylindriques,construitssursite,destinésaustockagedesgazréfrigérés,liquéfiés,dontlestempératuresdeservicesontcomprisesentre0°Cet-165°C-Partie4:ConstituantsisolantsAuslegungundHerstellungstandortgefertigter,stehender,zylindrischerFlachboden-StahltanksfürdieLagerungvontiefkaltverflüssigtenGasenbeieinerBetriebstemperaturzwischen0°Cund-165°C-Teil4:DämmungThisEuropeanStandardwasapprovedbyCENon20February2006.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2006CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN14620-4:2006:ELicensedCopy:WangBin,na,FriMar2307:44:10GMT+00:002007,UncontrolledCopy,(c)BSIEN14620-4:2006(E)2ContentsPageForeword..............................................................................................................................................................31Scope......................................................................................................................................................42Normativereferences............................................................................................................................43Termsanddefinitions...........................................................................................................................64Designrequirements,performancecharacteristics,testingandselectionofinsulatingmaterials.................................................................................................................................................64.1General....................................................................................................................................................64.2Analysisofdesignrequirements.........................................................................................................64.3Assessmentoftheperformancecharacteristics...............................................................................74.4Testingofmaterialsandsystems......................................................................................................105Protectionofinsulation–watervapourbarrier................................................................................115.1General..................................................................................................................................................115.2Protectivestructureformedbytheoutertank..................................................................