BS EN 558-2008 Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems

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1、BRITISHSTANDARDBSEN558:2008Industrialvalves—Face-to-faceandcentre-to-facedimensionsofmetalvalvesforuseinflangedpipesystems—PNandClassdesignatedvalvesICS23.060.01 BSEN558:2008NationalforewordT

2、hisBritishStandardistheUKimplementationofEN558:2008.ItsupersedesBSEN558-1:1996andBSEN558-2:1996,whicharewithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/7,Industrialvalves.Alistoforganizationsrepresentedonthiscommitteecanbeob

3、tainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStandardwasAmendments/cor

4、rigendaissuedsincepublicationpublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeDateCommentson30May2008©BSI2008ISBN9780580552519EUROPEANSTANDARDEN558NORMEEUROPÉENNEEUROPÄISCHENORMJanuary2008ICS23.060.10SupersedesEN558-1:1995,EN558-2:1995Engl

5、ishVersionIndustrialvalves-Face-to-faceandcentre-to-facedimensionsofmetalvalvesforuseinflangedpipesystems-PNandClassdesignatedvalvesRobinetterieindustrielle-Dimensionsface-à-faceetface-à-Industriearmaturen-BaulängenvonArmaturenausMetallaxedelarobinetteriem

6、étalliqueutiliséedanslessystèmeszumEinbauinRohrleitungenmitFlanschen-NachPNunddecanalisationsàbrides-AppareilsderobinetterieClassbezeichneteArmaturendésignésPNetClassThisEuropeanStandardwasapprovedbyCENon14December2007.CENmembersareboundtocomplywiththeCEN/

7、CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreo

8、rtoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManag