BRITISHSTANDARDBSEN1160:1997Installationsandequipmentforliquefiednaturalgas—GeneralcharacteristicsofliquefiednaturalgasTheEuropeanStandardEN1160:1996hasthestatusofaBritishStandardICS75.060;75.180BSEN1160:1997ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15January1997©BSI11-1998ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceGSE/38Draftforcomment93/712075DCISBN0580264467CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteeGSE/38,InstallationandequipmentforLNG,uponwhichthefollowingbodieswererepresented:BritishGasplcDepartmentofTransportHealthandSafetyExecutiveInstitutionofGasEngineersCo-optedmembersAmendmentsissuedsincepublicationAmd.No.DateCommentsBSEN1160:1997©BSI11-1998iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN11603BSEN1160:1997ii©BSI11-1998NationalforewordThisBritishStandardhasbeenpreparedbyTechnicalCommitteeGSE/38andistheEnglishlanguageversionofEN1160:1996Installationsandequipmentforliquefiednaturalgas—Generalcharacteristicsofliquefiednaturalgas,publishedbytheEuropeanCommitteeforStandardization(CEN).EN1160wasproducedasaresultofinternationaldiscussionsinwhichtheUnitedKingdomtookanactivepart.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to13andabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1160June1996ICS75.060;75.180.00Descriptors:Gasinstallation,liquefiednaturalgas,characteristics,physicalproperties,constructionmaterials,safety,accidentprevention,toxicity,fireprotectionEnglishversionInstallationsandequipmentforliquefiednaturalgas—GeneralcharacteristicsofliquefiednaturalgasInstallationsetéquipementsrelatifsaugaznaturelliquéfié—CaractéristiquesgénéralesdugaznaturelliquéfiéAnlagenundAusrüstungfürFlüssigerdgas—AllgemeineEigenschaftenvonFlüssigerdgasThisEuropeanStandardwasapprovedbyCENon1996-04-20.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsbilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Denmark,Finland,France,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.CENEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1996CopyrightreservedtoCENmembersRef.No.EN1160:1996EEN1160:1996©BSI11-19982ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC282,InstallationsandequipmentforLNG,ofwhichthesecretariatisheldbyAFNOR.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember1996,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember1996.AccordingtotheCEN/CENELECInternalRegulations,thenaturalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ContentsPageForeword21Scope32Normativereferences33Definition34Abbreviations35GeneralcharacteristicsofLNG35.1Introduction35.2PropertiesofLNG35.3EvaporationofLNG45.4SpillageofLNG55.5Ignition55.6Containment55.7Otherphysicalphenomena66Materialsofconstruction76.1MaterialsusedintheLNGindustry76.2Thermalstresses87Healthandsafety87.1Exposuretocold87.2Exposuretogas87.3Fireprecautionsandprotection97.4Odour9AnnexA(informative)Bibliography10AnnexB(informative)MaterialsthatcanbeusedincontactwithLNG12Table1—ExamplesofLNG4Table2—Rateofevaporation5Table3—Mainmaterialsusedindirectcontactandgeneraluse7Table4—MainmaterialsnotindirectcontactundernormaloperationswithLNG7TableB.1—Stainlesssteelsatambientandlowtemperaturesforsheets/platesandstrips12TableB.2—Stainlesssteelsatambientandlowtemperaturefornutsandbolts12TableB.3—Stainlesssteelsatambientandlowtemperatureforbars12TableB.4—Stainlesssteelsatambientandlowtemperaturesforsteelforgings13TableB.5—Ferronickelandnickelalloys13TableB.6—Aluminiumalloys13EN1160:1996©BSI11-199831ScopeThisEuropeanStandardgivesguid