1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ICS 23.060.40; 91.1
2、40.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Building valves Water pressure reducing valves and combination water reducing valves Requirements and tests Incorporating corrigendum July 2009 1999 1567:National foreword This British Standard is the UK implementation of E
3、N 1567:1999. It supersedes BS 6283-4:1991, which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee B/504, Water supply, to ubcommittee B/504/7, Control and safety devices. A list of organizations represented on this subcommittee can be obtained on request to
4、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. BS EN 1567:1999 Amendments/corrigenda issued since publication
5、Date Comments 31 July 2009 Supersession details added to National foreward, and alignment of BSI and CEN publication dates This British Standard was published under the authority of the Standards Committee and comes into effect on 15 February 2000 BSI 2009 ISBN 978 0 580 65694 1 s(8523($167$1$5 1250
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