ASME_PTC-8-2-1990.pdf

Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Centrifugal Pumps ASME PTC 8.2-1990 i PERFORMANCE i TEST j CODES T H E A M E R I C A N S O C I E T Y OF M E C H A N I C A L E N G I N E E R S United Engineering Center 345 East 47th Street New York,N.Y.1001 7 Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:February 15,1991 This document will be revised when the Society approves the issuance of the next edition,scheduled for 1995.There will be no Addenda issued to PTC 8.2-1990.Please Note:ASME issues written replies to inquiries concerning interpretation of technical aspects of this document.PTC 8.2-1990 is being issued with an automatic suhscription service to the interpretations that will be issued to it up to the publication of the 1995 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 Q 1991 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in the U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORD(This Foreword is not part of ASME/ANSI PTC 8.2-1990.)In 1952,the Power Test Code Committee organized a subcommittee under PTC Committee No.8 on Centrifugal Pumps with instructions to prepare a test code applicable to a broad range of centrifugal pumps.Superseding PTC 8.1-1 954,the new Code,PTC 8.2,was approved and adopted by the Society in August 1965.It was revised by addendum in 1973.In 1974,the revised Code was submitted to the American National Standards Institute(ANSI)for acceptance as an ANSI Standard.By spring of 1977,concensus had not been achieved.While this did not invalidate existing PTC 8.2,ASME concluded that PTC 8.2 might better satisfy current industry needs and achieve broader acceptance through review and update.Through 1977 a committee was formed with select membership from a broad spectrum of the pump industry.Initial work on the new code began in December of 1977.This Code achieved preliminary acceptance by the ASME Board on Performance Test Codes in July 1987.Final detail issues were resolved and the Code approved for publication on March 21,1990.This Code supersedes ASME Performance Test Code 8.2-1965 along with its 1973 Addendum.iii Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.All ASME codes are copyrighted,with all rights reserved to the Society.Reproduction of this or any other ASME code is a violation of Federal Law.Legalities aside,the user should appreciate that the publishing of the high quality codes that have typified ASME documents requires a substantial commitment by the Society.Thousands of volunteers work diligently to develop these codes.They participate on their own or with a sponsors assistance and produce documents that meet the requirements of an AS