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1、EUROPEANPRESTANDARDENV1591-2PRÉNORMEEUROPÉENNEEUROPÄISCHEVORNORMJune2001ICS23.040.60EnglishversionFlangesandtheirjoints-Designrulesforgasketedcircularflangeconnections-Part2:GasketparametersBridesetleursassemblages-RèglesdecalculdesFlanscheundihreVerbindungen-Rege
2、lnfürdieassemblagesàbridescirculairesavecjoint-Partie2:AuslegungvonFlanschverbindungenmitrundenFlanschenParamètresdejointundDichtung-Teil2:DichtungskennwerteThisEuropeanPrestandard(ENV)wasapprovedbyCENon10May2001asaprospectivestandardforprovisionalapplication.Thep
3、eriodofvalidityofthisENVislimitedinitiallytothreeyears.AftertwoyearsthemembersofCENwillberequestedtosubmittheircomments,particularlyonthequestionwhethertheENVcanbeconvertedintoaEuropeanStandard.CENmembersarerequiredtoannouncetheexistenceofthisENVinthesamewayasfora
4、nENandtomaketheENVavailablepromptlyatnationallevelinanappropriateform.Itispermissibletokeepconflictingnationalstandardsinforce(inparalleltotheENV)untilthefinaldecisionaboutthepossibleconversionoftheENVintoanENisreached.CENmembersarethenationalstandardsbodiesofAust
5、ria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManag
6、ementCentre:ruedeStassart,36B-1050Brussels©2001CENAllrightsofexploitationinanyformandbyanymeansreservedRef.No.ENV1591-2:2001EworldwideforCENnationalMembers.Page2ENV1591-2:2001ContentsPageForeword................................................21Scope..............
7、..................................32Symbolsandequations....................................33Gasketproperties........................................4ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC74"Flangesandtheirjoints",thesecretariatofwhi
8、chisheldbyDIN.EN1591consistsoftwoparts:–EN1591-1Flangesandtheirjoints—Designrulesforgasketedcircularflangeconnections—Part1:Calculationmethod–ENV1591-2F
