BS EN 12284-2003 Refrigerating systems and heat pumps-Valves-Requirements, testing and marking
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ID： |
815662454DB54E97BFAEF77593FCC3A9 |
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文件大小(MB)： |
0.49 |
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页数： |
66 |
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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,12284:2003,Refrigerating systems,and heat pumps —,Valves —,Requirements, testing,and marking,The European Standard EN 12284:2003 has the status of a,British Standard,ICS 23.060.20, , ,,,,, , ,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Sat Jun 30 03:25:00 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,BS EN 12284:2003,This British Standard, was,published under the authority,of the Standards Policy and,Strategy Committee on,26 September 2003,. BSI 26 September 2003,ISBN 0 580 42699 8,National foreword,This British Standard is the official English language version of,EN 12284:2003.,The UK participation in its preparation was entrusted to Technical Committee,RHE/18, Refrigeration safety, which has the responsibility to:,A list of organizations represented on this committee can be obtained on,request to its secretary.,Cross-references,The British Standards which implement international or European,publications referred to in this document may be found in the BSI Catalogue,under the section entitled “International Standards Correspondence Index”, or,by using the “Search” facility of the BSI Electronic Catalogue or of British,Standards Online.,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 does not of itself confer immunity,from legal obligations.,— aid enquirers to understand the text;,— present to the responsible international/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.,Summary of pages,This document comprises a front cover, an inside front cover, the EN title page,pages 2 to 63 and a back cover.,The BSI copyright notice displayed in this document indicates when the,document was last issued.,Amendments issued since publication,Amd. No. Date Comments,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Sat Jun 30 03:25:00 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,EUROPEAN STANDARD,NORME EUROPéENNE,EUROP腎SCHE NORM,EN 12284,September 2003,ICS 23.060.20,English version,Refrigerating systems and heat pumps - Valves - Requirements,testing and marking,Systèmes de réfrigération et pompes à chaleur -,Robinetterie - Exigences, essais et marquage,K鋖teanlagen und W鋜mepumpen - Ventile -,Anforderungen, Prüfung und Kennzeichnung,This European Standard was approved by CEN on 21 April 2003.,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 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 Management Centre has the same status as the official,versions.,CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, 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,. 2003 CEN All rights of exploitation in any form and by any means reserved,worldwide for CEN national Members.,Ref. No. EN 12284:2003 E,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Sat Jun 30 03:25:00 GMT+00:00 2007, Uncontrolled Copy, (c) BSI,EN 12284:2003 (E),2,Contents,Page,Foreword3,1 Scope .3,2 Normative references ..3,3 Terms and definitions..4,4 List of Symbols 6,5 General Requirements.7,6 Materials8,7 Design .10,8 Construction and workmanship..11,9 Testing 14,10 Marking and additional information..17,11 Documentation..18,Annex A (normative) Procedure for the design of a valve by use of a simplified method of calculation..20,Annex B (normative) Experimental design method for valves..23,Annex C (normative) Determination of the allowable pressure at the maximum operating temperature .28,Annex D (normative) Determination of the allowable pressure at minimum operating temperature,(Requirements to avoid brittle fracture)……
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