BS 2M 51-1989 ISO 6771-1987.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS 2M 51: 1989 ISO 6771: 1987 Classification for Pressure and temperature for fluid systems and components UDC 629.7.063.4:006.72 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 51:1989 This British St
2、andard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Board of BSI and comes into effect on 31 August 1989 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/- Draft fo
3、r comment 86/74297 DC ISBN 0 580 17506 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to subcommittee ACE/-/1, upon which the following bodies were represented: Civil Aviation Authority (Ai
4、rworthiness Division) Institution of Production Engineers Ministry of Defence Society of British Aerospace Companies Limited Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS
5、 2M 51:1989 BSI 01-2000i Contents Page Committees responsibleInside front cover National forewordii 0Introduction1 1Scope and field of application1 2Reference1 3Temperature classification1 4Nominal pressure classification1 Table 1 Temperature types1 Table 2 Nominal pressure classes1 Licensed Copy: s
6、heffieldun sheffieldun, na, Tue Nov 28 14:15:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 51:1989 ii BSI 01-2000 National foreword This British Standard has been published under the direction of the Aerospace Standards Policy Committee and supersedes BS M51:1982, which is withdrawn. It is ide
7、ntical with ISO 6771:1987 “Aerospace Fluid systems and components Pressure and temperature classifications”, published by the International Organization for Standardization (ISO) which was produced as a result of international discussion in which the UK took an active part. Cross-reference The Techn
8、ical Committee has reviewed the provisions of ISO 2944, to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards ar
9、e 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, pages i and ii, page 1 and a back cover. This standard has been updated (see copyr
10、ight date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 51:1989 BSI 01-20001 0 Introduction Aerospace fluid systems a
11、nd components are generally designed and marked for a specific fluid pressure and temperature type. The operating pressures listed are selected from ISO 2944 as far as practical. 1 Scope and field of application This International Standard establishes the temperature types and pressure classes that
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