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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 656:2000 The Europe
2、an Standard EN 656:1999 has the status of a British Standard ICS 91.140.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Gas-fired central heating boilers Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kW This British Standard, having been prepare
3、d under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 February 2000 BSI 02-2000 ISBN 0 580 32062 6 BS EN 656:2000 Amendments issued since publication Amd. No.DateComments National foreword This British Stan
4、dard is the official English language version of EN 656:1999. It partially supersedes the following British Standards; BS 5978-1, -2 and -3:1989 which will be withdrawn once the full series of boilers standards being prepared by CEN/TC 109 have been adopted by BSI. The UK participation in its prepar
5、ation was entrusted to Technical Committee GSE/41, Non-domestic gas-fired central heating boilers, 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 intere
6、sts informed; 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 referr
7、ed 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. A British Standard does not purport to include all the necessary provisions of a contra
8、ct. 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 114, an inside back
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20、*?2? ?9? .?*? ? ?.? ? ?=*?2? ? ?5?*?*?62? 5“5? 5“5? ?5?C?.?*? ? ?“5“5?“5“5? blank BS EN 656:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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