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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ID： |
E5161CAB0E25481B83BBA2811F1D410E |
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文件大小(MB)： |
0.51 |
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页数： |
32 |
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文件格式： |
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日期： |
2010-8-10 |
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文本摘录（文本识别可能有误，但文件阅览显示及打印正常，pdf文件可进行文字搜索定位）：
BRITISH STANDARD BS EN,558:2008,Industrial valves —,Face-to-face and,centre-to-face,dimensions of metal,valves for use in flanged,pipe systems —,PN and Class,designated valves,ICS 23.060.01, , , ,BS EN 558:2008,This British Standard was,published under the authority,of the Standards Policy and,Strategy Committee,on 30 May 2008,. BSI 2008,ISBN 978 0 580 55251 9,National foreword,This British Standard is the UK implementation of EN 558:2008. It supersedes,BS EN 558-1:1996 and BS EN 558-2:1996, which are withdrawn.,The UK participation in its preparation was entrusted to Technical Committee,PSE/7, Industrial valves.,A list of organizations represented on this committee can be obtained on,request to its secretary.,This publication does not purport to include all the necessary provisions of a,contract. Users are responsible for its correct application.,Compliance with a British Standard cannot confer immunity from,legal obligations.,Amendments/corrigenda issued since publication,Date Comments,EUROPEAN STANDARD,NORME EUROPéENNE,EUROP腎SCHE NORM,EN 558,January 2008,ICS 23.060.10 Supersedes EN 558-1:1995, EN 558-2:1995,English Version,Industrial valves - Face-to-face and centre-to-face dimensions of,metal valves for use in flanged pipe systems - PN and Class,designated valves,Robinetterie industrielle - Dimensions face-à-face et face-àaxe,de la robinetterie métallique utilisée dans les systèmes,de canalisations à brides - Appareils de robinetterie,désignés PN et Class,Industriearmaturen - Baul鋘gen von Armaturen aus Metall,zum Einbau in Rohrleitungen mit Flanschen - Nach PN und,Class bezeichnete Armaturen,This European Standard was approved by CEN on 14 December 2007.,CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European,Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national,standards may be obtained on application to the CEN Management Centre or to any CEN member.,This European Standard exists in three official versions (English, French, German). A version in any other language made by translation,under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the,official versions.,CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.,EUROPEAN COMMITTEE FOR STANDARDIZATION,COMITé EUROPéEN DE NORMALISATION,EUROP腎SCHES KOMITEE FüR NORMUNG,Management Centre: rue de Stassart, 36 B-1050 Brussels,. 2008 CEN All rights of exploitation in any form and by any means reserved,worldwide for CEN national Members.,Ref. No. EN 558:2008: E,EN 558:2008 (E),2,Contents Page,Foreword.3,Introduction ..4,1 Scope ..5,2 Normative references .5,3 Terms and definitions 5,4 Dimensions and tolerances 8,Annex A (informative) Origin of basic series26,Annex B (informative) Relationship between DN and NPS .28,Bibliography ..29,BS EN 558:2008,EN 558:2008 (E),3,Foreword,This document (EN 558:2008) has been prepared by Technical Committee CEN/TC 69 “Industrial valves”, the,secretariat of which is held by AFNOR.,This European Standard shall be given the status of a national standard, either by publication of an identical,text or by endorsement, at the latest by July 2008, and conflicting national standards shall be withdrawn at the,latest by July 2008.,Attention is drawn to the possibility that some of the elements of this document may be the subject of patent,rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.,According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following,countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic,Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,Switzerland and the United Kingdom.,This document supersedes EN 558-1:1995 and EN 558-2:1995.,BS EN 558:2008,EN 558:2008 (E),4,Introduction,The basic series given in this document are taken from the original series shown in Annex A (informative).,Changes made to the original series wil……
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