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1995_2007_scan.pdf
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1995 _2007_scan
REAFFIRMED 2007FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgIntentionally left blank AN AMERICAN NATIONAL STANDARD Specification for Thermoplastic and Thermoset Polymer Material Horizontal End Suction Centrifugal Pumps for Chemical Process ASME B73.5M-1995 American Society of Mechanical Engineers 345 East 47th Street,New York,N.Y.Date of Issuance:November 30,1995 This Standard will be revised when the Society approves the issuance of a new edition.There will be no addenda or written interpretations of the requirements of this Standard issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American National Standards.The Consensus Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate.The proposed code or standard was made available for public review and comment which provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not approve,rate,or endorse any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable Letters Patent,nor assume any such liability.Users of a code or standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual vol-unteers.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.Copyright 0 1995 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.(This Foreword is not part of ASME 873.5M-1995.)Advances in the technology of polymers have allowed manufacturers to offer-these materials in lieu of or as an alternative to alloy metals.Polymer industrial pumps have been offered since the 1970s.As more pump manufacturers had products available,it was recognized that there were no pump standards for pressure,temperature,capacity,or mechanical features.In 1986,the ASME B73 Committee established a rule committee to develop a new standard for reinforced composite material horizontal end suction centrifugal pumps for chemical process.This standard was to be for pumps with nonlinear polymers(excluding solid ceramics and/or carbon).The standard was to have the same envelope,pressure-capacity,and mechanical design features for shaft deflection and bearing life of pumps conforming to ASME B73.1M.The development of this standard progressed rapidly after the 1991 revision of ASME B73.1M was completed.The title was then changed to Specification for Thermoplastic and Thermoset Polymer Material Horizontal End Suction Centrifugal Pumps for Chemical Process.The polymers listed in this Standard are those most commonly used for the chemical process,with the option for manufacturers to offer alternative materials.The pressure-temperature limits are based on the polymers currently available.The limits depend on the concentration and temperature of the specific liquid.As the development of the Standard proceeded,the latest applicable features of ASME B73.1M were added,as well as a criterion for outside mechanical seals which is not found in ASME B73.1M.Suggestions for improvement of this Standard will be welcome.They should be sent to The American Society of Mechanical Engineers,Secretary,B73 Committee,345 East 47th Street,New York,NY 10017.This Standard was approved as an American National Standard on July 10,1995.111 Intentionally left blank ASME STANDARDS COMMITTEE B73 Chemical Standard Pumps(The following is the roster of the Committee at the time of approval of this Standard.)OFFICERS R.J.Hart,Chair G.W.Sabol,Vice Chair C.J.Gomez,Secretary COMMITTEE PERSONNEL A.R.Budris,Alternate,I n A-C Pump F.W.Buse,lngersoll Dresser Pump Co.G.C.Clasby,The Duriron Co.R.W.Estep,Rhone-Poulenc AG Co.R.J.Hart,E.I.DuPont de Nemours&Co.D.C.Hughes,Dow,USA,E&CS Division L.J.Kitchens,BWAP International Inc.P.T.Lahr,Consultant A.L.Lyons,Department of the Navy,Naval Construction Battalion Center R.H.Monroe,Jr.,Monsanto Co.A.N.Nichols,Gridlestone Pumps,Ltd.J.C.Osborne,Goulds Pumps,Inc.R.S.Peck,Durametallic Corp.G.W.Sabol,Union Carbide Corp.A.E.Stavale,I T A-C Pump J.C.Sw

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