【英國標(biāo)準(zhǔn)word原稿】BS EN 1267-1999 閥門.用水作為試驗流體的流動抗性試驗.doc

豆丁網(wǎng)：/kmust1british standardvalves test of flow resistance using water as a test fluidthe european standard en 1267:1999 has the status of abritish standardics 23.060.01| bs en1267:1999|第 5 頁 共 40 頁豆丁網(wǎng)：/kmust1|no copying without bsi permission except as permitted by copyright lawbs en 1267:1999national forewordthis british standard is the english language version of en 1267:1999.the uk participation in its preparation was entrusted by technical committee pse/7, valves, to subcommittee pse/7/1, valves - basic standards, 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 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-referencesthe 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 thefind 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 pagesthis document comprises a front cover, an inside front cover, the en title page, pages 2 to 22, an inside back cover and a back cover.the bsi copyright notice displayed in this document indicates when the document was last issued.amd. no.datecommentsthis british standard, having been prepared under the direction of the engineeringsector committee, was published under the authority of the standards committee and comes into effect on 15 december 1999bsi 12-1999isbn 0 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