BS-6956-1-1988.pdf
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1、BRITISH STANDARD BS 6956-1: 1988 Jointing materials and compounds Part 1: Specification for corrugated metal joint rings UDC 621.643.44:62 762.445:62 408.8:(083.74) Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 05:51:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6956-1:1988 This British
2、Standard, having been prepared under the direction of the Piping Systems Components Standards Committee, was published under the authority of the Board of BSI and comes into effect on 30 November 1988 BSI 03-1999 The following BSI references relate to the work on this standard: Committee reference P
3、SE/2 Draft for comment 85/73237 DC ISBN 0 580 16500 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Piping Systems Components Standards Committee (PSE/-) to Technical Committee PSE/2, upon which the following bodies were represented: A
4、sbestos Information Centre Ltd. British Adhesives and Sealants Association British Gas plc British Pump Manufacturers Association British Railways Board Energy Industries Council Engineering Equipment and Materials Users Association Institution of Gas Engineers Liquefied Petroleum Gas Industry Techn
5、ical Association (UK) Paintmakers Association of Great Britain Ltd. Water Authorities Association Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 05:51:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6956-1:1988 BSI 03-1999i C
6、ontents Page Committees responsibleInside front cover Forewordii 1Scope1 2Definitions1 3Manufacture1 4Thickness1 5Materials1 6Corrugations1 7Testing1 Appendix A Information to be supplied by the purchaser3 Table 1 Thickness of metal1 Table 2 Materials for corrugated metal joint rings1 Table 3 Pitch
7、and depth of corrugations1 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 05:51:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6956-1:1988 ii BSI 03-1999 Foreword This Part of BS 6956 has been prepared under the direction of the Piping Systems Comp
8、onents Standards Committee. It constitutes a revision of section 4 of BS 5292:1980, which has been deleted by amendment. The technical content of the section has not been amended but lead has been deleted as a material specified by the section. This standard is one of a group of standards specifying
9、 the following materials and compounds: compressed asbestos fibre jointing; vulcanized fibre sheets; flexible vulcanized fibre sheets; composition cork jointing; paper and cork/paper jointing; rubber reinforced jointing; corrugated metal joint rings; jointing compounds for use with water, 1st and 2n
10、d family gases; jointing material for 3rd family gases; anaerobic jointing compounds for use in appliances using 1st, 2nd and 3rd family gases. Appendix A lists information which should be supplied by the purchaser. A British Standard does not purport to include all the necessary provisions of a con
11、tract. 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, pages i and ii, pages 1 to 4, an inside back c
12、over and a back cover. This standard has been updated (see copyright 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 Dec 05 05:51:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS
13、6956-1:1988 BSI 03-19991 1 Scope This Part of BS 6956 specifies requirements for corrugated metal joint rings when used for sealing mechanical joints in piping systems carrying 1st, 2nd and 3rd family gases, water or steam. Appendix A lists information to be supplied by the purchaser. NOTEThe titles
14、 of the publications referred to in this standard are listed on the inside back cover. 2 Definitions For the purposes of this Part of BS 6956 the following definitions apply. 2.1 batch a number of corrugated metal joint rings which have been manufactured from the same material from a single delivery
15、 of material and which are all of the same thickness 2.2 corrugated metal joint ring a gasket of circular, rectangular, or lobed outline manufactured with a series of continuous corrugations from sheet metal and used for the purpose of sealing mating faces of components from the ingress or egress of
16、 fluids 3 Manufacture Each batch shall be manufactured from a sheet or sheets from a single delivery of material. Where the available sheet size permits, a batch shall be manufactured from a single sheet. 4 Thickness The thickness of the metal from which joint rings are made shall be as given in Tab
17、le 1. Table 1 Thickness of metal 5 Materials Materials shall be selected from Table 2 in a cold rolled condition and in a grade specified in the relevant British Standard to suit the medium with which it is used. Table 2 Materials for corrugated metal joint rings 6 Corrugations Each corrugation shal
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