BS EN 12294-2000 塑料管道系统.热水和冷水系统.真空情况下渗漏性的试验方法.pdf

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 122942000 BS 2782-11 1123V2000 The European Standard EN 122941999 has the status of a British Standard ICS 23.040.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Plastics piping systems Systems for hot and cold water Test for leaktightness under vacuum Licensed Copy Institute Of Technology Tallaght, Institute of Technology, Sun Dec 24 043222 GMT0000 2006, Uncontrolled Copy, c BSI This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 May 2000  BSI 05-2000 ISBN 0 580 34927 6 BS EN 122942000 Amendments issued since publication Amd. No.DateComments National foreword This British Standard is the official English language version of EN 122941999. The UK participation in its preparation was entrusted to Technical Committee PRI/61, Plastics piping systems and components, which has the responsibility to aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests ined; monitor related international and European developments and promulgate them in the UK. 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 Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. WARNING This British Standards which is identical with EN 122941999, does not necessarily detail all the precautions necessary to meet requirements of the Health and Safety at work etc. Act 1974. Attention should be paid to any appropriate safety precautions and the should be operated only by trained personnel. 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 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. 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