Developments in Valves and Actuators for nuid Control Proceedings of the 2nd International Conference on Developments in Valves and Actuators for nuid Control Manchester, England: 28-30 March 1988 SPRINGER-VERLAG BERLIN HEIDELBERG GMBH Editors: Dr. P. Waad Mrs. L. Grave EDITORIAL NOTES The organisers are not responsible for statements or opinions made in the papers. The papers have been reproduced by offset printing from the authors' original typescript to minimise delay. When citing papers from the volume, the following reference should be used:- Title, Author(s), Paper No., Pages, Proceedings of the 2nd International Conference on Developments in Valves and Actuators for Fluid Control, Manchester, England. Organised and sponsored by BHRA, The Fluid Engineering Centre, Cranfield, Bedford, England. (28-30 March, 1988). ISBN 978-3-662-11465-0 ISBN 978-3-662-11463-6 (eBook) DOI 10.1007/978-3-662-11463-6 © Springer-Verlag Berlin Heidelberg 1988 Originally published by Springer-Verlag Berlin Heidelberg New York in 1988 iv ACKNOWLEDGEMENTS The valuable assistance of the Organising Committee, Corresponding Members and Panel of Referees is gratefully acknowledged. ORGANISING COMMITTEE A. Henderson BVMA (Chairman) Dr. D.R. Airey CEGB (MEL) J. Franklin British Gas PLC M. Greenhalgh Shaw Son & Greenhalgh Ltd. W.W. Mott Copes-Vulcan A. Salisbury Girdleston Pumps Ltd. A. Scriven Crane Ltd. Dr. P. Wood BHRA, The Fluid Engineering Centre Lorraine Grove BHRA, The Fluid Engineering Centre Conference Organiser OVERSEAS CORRESPONDING MEMBERS J,B. Arant E.I. DuPont De Nemours & Co. Inc., U.S.A. C. Davila TRW Mission Drilling Products Division, U.S.A. L. Driskell Consultant, U.S.A. v 2nd International Conference on Developments in Valves and Actuators for Fluid Control Manchester, England: 28-30 Manchester 1988 CONTENTS Paper Page SESSION A: DEVELOPMENTS IN VALVE DESIGN Al A variable orifice rotary control valve 1 W. Broadway, Daniel Industries, Inc., U.S.A. A2 Bellows seals for rotary (!A turn) valves 349 R.W. Conley, Kerotest Mfg. Corp., U.S.A. A3 Contiguous sealing of metal seated butterfly valves 7 R.C. Sansone, C & S Valve Company, U.S.A. SESSION B: DEVELOPMENTS IN TESTING Bl Testing of valves and actuators in fire environments 17 J.B. Wright, }amesbury Corp., U.S.A. B2 Cold water leak detection in high pressure stainless steel 27 isolation valves using ultrasonic noise emission D.R. Airey and 0. Lloyd, CEGB, U.K. SESSION C: DEVELOPMENTS IN ACTUATOR DESIGN Cl Electronic actuator design 45 G. Schwab, Milton Roy Company, U.S.A. C2 New trends in pneumatic actuator designs 57 A. Pruden, El-o-matic BV, The Netherlands SESSION D: PERFORMANCE AND OPERATION Dl Plug vibrational tendencies of top guided throttling control 67 valves H. llling, DeZurik International, U.S.A. D2 A one dimensional quasi-steady model for prediction of 83 safety valve lift characteristics F.K.K. Lung, CEGB, U.K. D3 Use of damping devices to control the stability of spring 103 loaded safety valves operated in liquid service J.M. Henry and P. Coppolani, Framatome, France vi SESSION E: MATERIALS El The development and applications of duplex stainless steel 115 for control valve equipment D.R. Brammer, Wm Cook plc; P.J. Hughes, Fisher Controls Ltd., U.K. E2 New and improved high nickel alloy castings 137 J.L. Gossett, Fisher Controls Co., U.S.A. E3 Development in soft seated trims for control valves 155 W.W. Mott, Copes-Vulcan, U.K. E4 Engineering thermoplastics in actuator construction 167 P.A. Williams, Saunders Valve Co. Ltd., U.K. SESSSION F: SELECTION AND SIZING Fl Sizing of low pressure air valves for safe filling and draining 197 of pipelines Y. Dvir, Consulting Engineer, Israel F2 Control valve sizing for non-ideal fluids 210 A.C. Fagerlund, Fisher Controls Inc., U.S.A. SESSION G: CAVITATION Gl Experimental investigations to determine flow rate capacities 227 and noise emission during cavitation and flashing in control valves K. Dobben, Samson AG, F.R. Germany G2 Universal method for quantifying the severity of a cavitating 241 serv1ce R.W. Barnes, Valtek Inc., U.S.A. SESSION H: CHECK VALVE PERFORMANCE Hl Tests of check valves at EDF development of a dampened 257 check valve M. Panet, Electricite de France; R. Martin, Vanatome, France H2 Check valve closure behaviour; experimental investigation 281 and simulation in waterhammer computer programs A.C.H. Kruisbrink, Delft Hydraulics Laboratory, The Netherlands H3 Innovations in non-intrusive testing and trending of motor 301 operated valves and check valves A.G. Charbonneau, Movats Incorporated, U.S.A. SESSION J: PERFORMANCE AND RELIABILITY Jl Qualification of French pressurized water nuclear power 311 stations valves R. Caulier, M. Grenet, M. Panet, Electricite de France, France J2 Lubrication and wear of valve headgear - a case study 329 D. Aldham and T.D. Johnson, CEGB, U.K. vii Erosive attack. Here's your best line ofClefence. Self-centring seat nng and 1ntegral flanges for easier assembly and installation. <M>iding tedious alignment and complicated adJustment. 111gb perlormance This design offers hsgher High resistance to wear maxsmum ~higher li'1m parts - plug, seat nng and relainer pressure drop capabslit)t; and - all provide more rugged resistance body rating up to ANSI class to abraSIVe wear. 600 (DIN PN100). Large choice of actuaton The V500 deSIQn can be used With the whole range of FISher rotary actuators/operators, such as pneumat1c diaphragm or piston, eleclromechamcal, eleclrot¥~raulic actuat>rs and levers or handwtleels. Where the threat isf rom eorsive slurries, coking or For more information please contact the other hard-to-handle fluids, Fisher Controls' Design Fisher Controls Information Centre (Dept. 6A), V500 rotary valve is the answer. This eccentric plug PO Box 45, Wokingham, Berkshire, UKR G11 7BS style rotary valve has body contours thai are or telephone Peter O'Keefle on (0634) 736000. streamlined to resist erosion. The plug rotates a full 90° when open, so it's out of the way of the most The Fisher process. It works. abrasive flow stream. And its eccentric path eliminates contact with seat ring while throttling thus cutting wear and friction. (FISHER~) With the V500, like all Fisher valves, wea lso offer application expertise, personnel training, service and repairs. Fisher Controls ix MAXIMUM ENERGY SAVING VALVES NON-RETURN VALVE The cylindrical totally open bore conception used in the design of this valve allows it to withstand high pressures. Designs are available for . pneumatically suspended solids and for high pressure fluids. A unique feature is that the valve is piggable. This, together with its extremely low headloss makes it by far the most efficient, cost effective reflux valve in the world today. VISOR ISOLATING VALVE The visor isolating valve is an ultra low headloss shut off valve achieved by maintaining the pipeline internal contours when in the open position. Metal to metal sealing is achieved to bubble tight standards, which can be maintained under arduous conditions. Because of this it is well suited for a wide range of applications with particular emphasis on abrasive slurries. With the open bore design of our cylindrical 3. Metal to metal bubble tight sealing visor valves the valve becomes an extension 4. The valves can be pigged. of the pipeline giving: Designs are available for a wide range of 1. Ultra low headloss, maximum pump applications and pressures. energy _savings Materials used include cast iron, 2. Maximum resistance to abrasive carbon steel, stainless steel. materials/minimum maintenance Resistant linings are available if required required. RAJ Thomson, Pipework-Valves Limited, Church Street, Wetherby Tel: 0937 64121. Telex: 556434. X WORKING FOR QUALITY Quality counts. Safe, well designed, durable products, fit to compete in today's highly competitive markets, are a prime need of industry. How do you ensure that products meet these criteria, from design to production, and in use? BSI 'Jesting and BSI Quality Assurance can provide the answer. THE HALLMARK OF QUALITY Product Certification, through the BSI Kitemark, is independent evidence of continued conformance to the appropriate British Standard, and to a quality system in line with BS 5750/ISO 9000. Certification involves regular unannounced factory inspections and independent audit testing of certified product. Fbr information contact: Business Development BSI Quality Assurance PO Box 391 Milton Keynes MK146LW QUALITY ASSURANCE Thl: 0908 220908 THE NEW BSI VALVE REGISTER This is a register of fire tested valves designed for the petrochemical and allied industries. The Register will contain a list of valves independently assessed by BSI VALVE Engineers together with a list of Kitemarked valves assessed as part of the Kitemark Certification Programme. Basic details of the valves will be included for size, pressure class, HE<;ISTER body/seat material and design and model reference. Updated every six months, the Register will be obtainable for an annual subscription of £30 (UK), £40 (Overseas) plus a £10 application fee. Additional copies cost £8. Please contact: MrR Morton BSI Thsting Maylands Avenue Hemel Hempstead Herts HP2 4SQ TESTING Thl: 0442 230442 xi
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