BS 6683-1985 Guide to installation and use of valves

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551DEFFEDA4F466D8D5E536346776EB4

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0.22

页数:

19

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pdf

日期:

2010-10-4

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Licensed Copy: Robert Blyth, Brown & Root Ltd, April 25, 2002, Uncontrolled Copy, (c) BSI,British Standard,A single copy of this British Standard is licensed to,Robert Blyth,on April 25, 2002,This is an uncontrolled copy. Ensure use of the most,current version of this document by searching British,Standards Online at bsonline.techindex.co.uk,BRITISH STANDARD BS 6683:1985,Incorporating,Amendment No. 1,Guide to,Installation and use of,valves,UDC 621.646.005,Licensed Copy: Robert Blyth, Brown & Root Ltd, April 25, 2002, Uncontrolled Copy, (c) BSI,BS 6683:1985,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 October 1985,. BSI 06-1999,The following BSI references,relate to the work on this,standard:,Committee reference PSE/7,Draft for comment 84/72775 DC,ISBN 0 580 14746 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,6604 April 1991 Indicated by a sideline in the margin,Licensed Copy: Robert Blyth, Brown & Root Ltd, April 25, 2002, Uncontrolled Copy, (c) BSI,BS 6683:1985,. BSI 06-1999 i,Contents,Page,Committees responsible Inside front cover,Foreword ii,Section 1. General,1.1 Scope 1,Section 2. Service and environmental considerations,2.1 Fluid 2,2.2 Pressure-temperature rating 2,2.3 Layout and siting 2,2.4 Bending strength 2,2.5 Fire-tested 2,2.6 Pressure surge and cycling 3,2.7 Throttling 3,2.8 Flow coefficients 3,2.9 Effects of temperature 3,2.10 Trapped pressure 4,2.11 Corrosion 4,2.12 Stem sealing 4,2.13 Cryogenic services 4,2.14 Operating effort 4,2.15 Vibration 4,Section 3. Storage and handling,3.1 General 5,3.2 Handling 5,3.3 Storage 5,Section 4. Installation,4.1 General 6,4.2 Inspection 6,4.3 Threaded valve/pipe assembly 6,4.4 Flanged joint assembly 7,4.5 Weld joint assembly 7,4.6 Testing and adjustment 7,Section 5. Operation and maintenance,5.1 General 9,5.2 Operation of manual valves 9,5.3 Operation of power actuated valves 10,5.4 Quarter turn valves 10,5.5 Noise 10,5.6 Maintenance 10,Publications referred to Inside back cover,Licensed Copy: Robert Blyth, Brown & Root Ltd, April 25, 2002, Uncontrolled Copy, (c) BSI,BS 6683:1985,ii . BSI 06-1999,Foreword,This British Standard has been prepared under the direction of the Piping,Systems Components Standards Committee.,Since the incorrect use of valve types may result in operating problems which,adversely affect system safety and efficiency, the valve industry recognizes that,it will benefit all concerned if information can be made conveniently available to,those responsible for installing and using valves to help them avoid such,problems.,Valves are of many types and are used in a wide variety of service conditions.,Having correctly selected a valve, its satisfactory performance depends on proper,packing and protection during handling and storage, installation and operation,and adequate maintenance.,This standard presents information which should help users to avoid the most,obvious causes of trouble. The standard does not include requirements but is,intended to make the user more aware of the problems that can arise. Advice,regarding a particular application should be obtained from the manufacturer of,the valve. It has not been possible to include every consideration related to the,satisfa……

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