BS 5163-2-2004
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ID： |
500A33D1043046DCA80524C9DD0D8172 |
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文件大小(MB)： |
0.15 |
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页数： |
12 |
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文件格式： |
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日期： |
2013-6-1 |
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购买： |
文本摘录（文本识别可能有误，但文件阅览显示及打印正常，pdf文件可进行文字搜索定位）：
BRITISH STANDARD BS 5163-2:2004,Valves for waterworks,purposes —,Part 2: Stem caps for use on isolating,valves and associated water control,apparatus — Specification,ICS 23.060.30, , ,,,,, , ,BS 5163-2:2004,This British Standard was,published under the authority,of the Standards Policy and,Strategy Committee on,23 December 2004,. BSI 23 December 2004,First published October 1974,First revision October 1986,First published as Part 2,December 2004,The following BSI references,relate to the work on this British,Standard:,Committee reference PSE/7/3,Draft for comment 04/30111467 DC,ISBN 0 580 44712 X,Committees responsible for this,British Standard,The preparation of this British Standard was entrusted by Technical,Committee PSE/7, Industrial valves, to Subcommittee PSE/7/3, Cast iron,isolating, check and hydrant valves for industrial use and valves for water,industry applications, upon which the following bodies were represented:,British Chemical Engineering Contractors Association,BVAA — British Valve and Actuator Association,CMF — Cast Metals Federation,Ductile Iron Producers Association,Energy Industries Council,Institution of Mechanical Engineers,Pipeline Industries Guild,Society of British Water Industries,Water UK,Amendments issued since publication,Amd. No. Date Comments,BS 5163-2:2004,. BSI 23 December 2004 i,Contents,Page,Committees responsible Inside front cover,Foreword ii,1 Scope 1,2 Normative references 1,3 Terms and definitions 1,4 Design requirements 3,5 Preparing for storage and transport 4,Annex A (normative) Test method for the resistance of stem caps to,operating loads 5,Bibliography 7,Figure 1 — Ring key and bar 2,Figure 2 — T key 3,Figure 3 — Typical stem cap 4,Table 1 — Dimensions of stem caps 3,BS 5163-2:2004,ii . BSI 23 December 2004,Foreword,This part of BS 5163 has been prepared under the direction of Technical,Committee PSE/7 to facilitate the application of BS EN 1074-1:2000,BS EN 1074-2:2000 and BS EN 1074-6:2004. Along with BS 5163-1:2004,BS EN 1074-1:2000 and BS EN 1074-2:2000, this standard supersedes,BS 5163:1986, which is withdrawn.,This standard gives details of stem caps not covered in BS EN 1074-1:2000,BS EN 1074-2:2000 or BS EN 1074-6:2004.,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 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 7 and a back cover.,The BSI copyright notice displayed in this document indicates when the,document was last issued.,BS 5163-2:2004,. BSI 23 December 2004 1,1 Scope,Isolating valves and hydrants installed in underground pipelines primarily carrying water intended for,human consumption within the United Kingdom are required to be fitted with a stem cap to enable them,to be operated by a ring-key and bar or T-shaped key.,The stem cap is fitted to the top of the valve stem to convert the manufacturer’s stem configuration to mate,with operating keys.,Two sizes of stem cap are specified, covering respectively, valves from DN 50 through DN 300 and DN 350,through DN 600.,NOTE Stem caps are also commonly used on other waterworks apparatus, e.g. penstocks (specified in BS 7775).,2 Normative references,The following referenced documents are indispensable for the application of this document. For dated,references, only the edition cited applies. For undated references, the latest edition of the referenced,document (including any amendments) applies.,BS 6615:1996/ISO 8062:1994, Specification for dimensional tolerances for metal and metal alloy castings.,BS EN 1074-1, Valves for water supply — Fitness for purpose requirements and appropriate verification,tests — Part 1: General requirements.,BS EN 1074-2, Valves for water supply — Fitness for purpose requirements and appropriate verification,tests — Part 2: Isolating valves.,BS EN 1074-6, Valves for water supply — Fitness for purpose requirements and appropriate verification,tests — Part 6: Hydrants.,BS EN 1503-3, Valves — Materials for bodies, bonnets and covers — Part 3: Cast irons specified in,European Standards.,3 Terms and definitions,For the purposes of this part of BS 5163, the following terms and definitions apply.,3.1,stem cap,device to enable valves of different sizes and stem configurations to be operated by standard operating keys,NOTE 1 A stem cap is an operating element. See also BS EN 736-2.,NOTE 2 The socket end of operating keys should be dimensionally in acco……
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