BS EN 1074-3-2000 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 3 Check valves

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STD.BSI BS EN 1074-3-ENGL 2000 m Lb24bbS 0859954 359 m,BRITISH STANDARD,Valves for water,supply - Fitness for,purpose requirements,and appropriate,verification tests -,Part 3: Check valves,The European Standard EN 10743:2ûû?has the status of a,British Standard,ICs 23.060.50; 91.140.60,NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW,BS EN,1074-3:2000,..,Copyright European Committee for Standardization,Provided by IHS under license with CEN,No reproduction or networking permitted without license from IHS Not for Resale,--```,-`-`,,`,,`,`,,`---,National foreword,This British Standard YS the official English language version of EN 107432000.,The UK participation in its preparation w-as entnisted by Technical Cornuttee,PSW, Valves, to Subcommittee PSW/7, Valves for the water industry, which has,the responsibility to:,- aid enqiirers to understand the text;,- present to the responsible European committee any enquiries on the,interpretation, or proposals for change, and keep the UK interests informed,- monitor related international and European developments and promulgate,them in the UK,A list of organizations represented on this subcommittee can be obtained on request,to its secretary.,Cross-references,The British Standards which implement international or European publications,referred to in this document niay be found in the RSI Standards Catalogue under the,section entitied ¡°International Standards Correspondence 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 a,contract. Users of British Standards are responsible for their correct application.,Compliance with a British Standard does not of itself confer immunity,from legal obligations.,Summary of pages,This document comprises a front cover, an inside front cover, the EN title page,pages 2 to 9 and a back cover.,The BSI copyright notice displayed in this document indcates when the document,was last issued.,This British Standard, having,been prepared under the,direction of the Engineering,Sector Committee, was published,under the authority of the,Standards Committee and comes,Amendments issued since publication,Comients,into effect on 15 July 2000 ------LI,O BSI 07-2000 ---I---,ISBN O 580 35957 3 -iI:,Copyright European Committee for Standardization,Provided by IHS under license with CEN,No reproduction or networking permitted without license from IHS Not for Resale,--```,-`-`,,`,,`,`,,`---,EUROPEAN STANDARD,NORME EUROP¨¦ENNE,EUROPÄISCHE NORM,EN 10744,April 2000,ICs 23.060.50,English version,Valves for water supply - Fitness for purpose requirements and,appropriate verification tests - Part 3: Check valves,Robinetterie pour l'alimentation en eau - Prescriptions,d'aptitude ¨¤ l'emploi et v¨¦rifications s'y rapportant -,Partie 3: Clapets de non retour,Armaturen f¨¹r die Wasserversorgung - Anforderungen an,die Gebrauchstauglichkeit und deren Pr¨¹fung -Teil 3:,Rückflußverhinderer,This European Standard was approved by CEN on 26 November 1999.,CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this Europsan,Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning ach national,standards may be obtained on application to the Central Secretariat or to any CEN member.,This European Standard exists in three official versions (English, French, German). A version in any other language made by traislation,under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as he official,versions.,CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.,EUROPEAN COMMITïEE FOR STANDARDIZATION,COMIT¨¦ EUROP¨¦EN DE NORMALISATION,EUROPÄISCHES KOMITEE F¨¹R NORMUNG,Central Secretariat: rue de Stassart, 36 B-1050 Brussels,O 2000 CEN All rights of exploitation in any form and by any means reserved,worldwide for CEN national Members.,Ref. No. EN 1074-3:2000 E,Copyright European Committee for Standardization,Provided by IHS under license with CEN,No reproduction or networking permitted without license from IHS Not for Resale,--```,-`-`,,`,,`,`,,`---,Page 2,EN 1074-3:2000,Contents,Foreword 3,Introduction . 3,1 Scope . 4,2 Normative references - ..4,3 Definitions 4,4 Design requirements . 5,5 Performance requirements 5,5.1 Mechanical strength .. 5,5.2 Leak-tight¡¡

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