1、|BRITISH STANDARDBS EN12570:2000The European Standard EN 12570:2000 has the status of aBritish StandardICS 23.060.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWIndustrial valves Method for sizing theoperating elementLicensed Copy:Institute Of Technology Tallaght,Institute o
2、f Technology,Tue May 15 11:22:49 GMT+00:00 2007,Uncontrolled Copy,(c)BSIThis British Standard,havingbeen prepared under thedirection of the EngineeringSector Committee,was publishedunder the authority of theStandards Committee and comesinto effect on 15 August 2000 BSI 08-2000ISBN 0 580 34914 4BS EN
3、 12570:2000Amendments issued since publicationAmd.No.Date CommentsNational forewordThis British Standard is the English language version of EN 12570:2000.The UK participation in its preparation was entrusted by Technical CommitteePSE/7,Valves,to Subcommittee PSE/7/1,Valves-Basic standards,which has
4、theresponsibility to:aid enquirers to understand the text;present to the responsible European committee any enquiries on theinterpretation,or proposals for change,and keep the UK interests informed;monitor related international and European developments and promulgatethem in the UK.A list of organiz
5、ations represented on this subcommittee can be obtained on requestto its secretary.Cross-referencesThe British Standards which implement international or European publicationsreferred to in this document may be found in the BSI Standards Catalogue under thesection entitled“International Standards Co
6、rrespondence Index”,or by using the“Find”facility of the BSI Standards Electronic Catalogue.A British Standard does not purport to include all the necessary provisions of acontract.Users of British Standards are responsible for their correct application.Compliance with a British Standard does not of
7、 itself confer immunityfrom legal obligations.Summary of pagesThis document comprises a front cover,an inside front cover,the EN title page,pages 2 to 7 and a back cover.The BSI copyright notice displayed in this document indicates when the documentwas last issued.Licensed Copy:Institute Of Technolo
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