BS 5351-1986 Specification for steel ball valves for the petroleum, petrochemical and allied industries
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6F2CB57632774BD39E00083E94840AF8 |
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0.55 |
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30 |
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日期： |
2010-10-4 |
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BRITISH STANDARD,CONFIRMED,NOVEMBER 1991,BS 5351:1986,Reprinted,incorporating,Amendments No. 1,No. 2 and No. 3,Specification for,Steel ball valves for the,petroleum,petrochemical and,allied industries,UDC 621.646.5-034.14:665.6,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 31 12:48:13 BST 2006, Uncontrolled Copy, (c) BSI,BS 5351:1986,This British 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,31 January 1986,. BSI 02-1999,First published May 1976,First revision January 1986,The following BSI references,relate to the work on this,standard:,Committee reference PSE/7,Draft for comment 84/70325 DC,ISBN 0 580 15007 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/7,upon which the following bodies were represented:,Amalgamated Union of Engineering Workers,Associated Offices Technical Committee,Association of Bronze and Brass Founders,Association of Hydraulic Equipment Manufacturers,British Chemical Engineering Contractors’ Association,British Compressed Gases Association,British Foundry Association,British Gas Corporation,British Maritime Technology,British Shipbuilders,British Valve Manufacturers’ Association Ltd.,Copper Development Association,Copper Tube Fittings Manufacturers’ Association,Electricity Supply Industry in England and Wales,Energy Industries Council,Engineering Equipment and Materials Users’ Association,GAMBICA (BEAMA Ltd.),General Council of British Shipping,Greater London Council,Health and Safety Executive,Institute of British Foundrymen,Institution of Chemical Engineers,Institution of Gas Engineers,Institution of Mechanical Engineers,Institution of Water Engineers and Scientists,Society of British Gas Industries,Steel Casting Research and Trade Association,Water Authorities Association,Water Companies Association,Amendments issued since publication,Amd. No. Date of issue Comments,5527 March 1987,5836 January 1988,6271 September,1990,Indicated by a sideline in the margin,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 31 12:48:13 BST 2006, Uncontrolled Copy, (c) BSI,BS 5351:1986,. BSI 02-1999 i,Contents,Page,Committees responsible Inside front cover,Foreword iii,Section 1. General,1 Scope 1,2 Definitions 1,3 Valve patterns 1,4 Nominal sizes 2,5 Pressure designation 2,6 Pressure/temperature ratings 2,7 Dimensions 5,Section 2. Design and materials,8 Design 7,9 Operation 10,10 Materials 10,Section 3. Performance,11 Pressure testing 12,12 Fire testing 12,13 Anti-static testing 12,Section 4. Marking,14 General 13,Section 5. Preparation for storage and transportation,15 General 14,16 Body ends 14,Appendix A Information to be specified by purchaser 15,Appendix B Weld-end preparations 16,Appendix C Typical ball valve constructions 17,Figure 1 — Valve bore configurations 1,Figure 2 — Typical variations of construction 8,Figure 3 — Weld-end preparation 16,Figure 4 — Typical bevel for wall thickness (t) 22 mm or less,for pipeline applications 17,Figure 5 — Two-piece split body or one-piece end entry body 18,Figure 6 — One-piece body, end entry or top entry 19,Figure 7 — One-piece body or two-piece split body, threaded,or extended weld end 20,Figure 8 — Split body sandwich construction 21,Table 1 — Nominal sizes of valves according to end fitting 2,Table 2 — Pressure designations of valves according to end fitting 3,Table 3 — Minimum pressure/temperature seat ratings for,ball valves 3,Table 4 — Class 800 body ratings 4,Table 5 — Nominal pressure and class ratings and nominal size 5,Table 6 — End-to-end dimensions of butt-weld-end valves 5,Table 7 — Socket-weld-end details 6,Table 8 — Threaded-end details 6,Table 9 — Minimum ball and body port diameters PN 10, PN 16,Class 150, PN 25, PN 40, Class 300, Class 600 and Class 800 6,Table 10 — Shell thickness 7,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 31 12:48:13 BST 2006, Uncontrolled Copy, (c) BSI,BS 5351:1986,. BSI 02-1999,Page,Table 11 — Drain tapping size 9,Table 12 — Minimum force for wrenches and handwheels 9,Table 13 — Additional materials permitted for use in the,manufacture of valves from bar-stock 10,Table 14 — Pressure test durations 12,Table 15 — Typical material symbols 13,Publications referred to 22,Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Mon Jul 31 12:48:13 BST 2006, Uncontrolled Copy, (c) BSI,……
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