C-9M_R2001_E1988.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.REAFFIRMED 2001FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgAN AMERICAN NATIONAL STANDARD Measurement of Liquid Flow in Closed Conduits by Weighing Method ASME/ANSI MFC-9M-1988 The American Society of Mechanical Engineers 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 28,1989 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 volunteers.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 1989 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in 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 MFC-9M-1988.)This Standard was prepared by the ASME Committee on Measurement of Fluid Flow in Closed Conduits(MFC).It is based on and closely parallels the International Organization for Standardization(ISO)International Standard IS0 4185-1980,incorporating U.S.prac-tices and terminology where they differ.This Standard was approved by the American National Standards Institute(ANSI)as an American National Standard on December 15,1988.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.ASME STANDARDS COMMITTEE MFC Measurement of Fluid Flow in Closed Conduits(The following is the roster of the Committee at the time of approval of this Standard.)OFFICERS R.W.Miller,Chairman W.F.2.Lee,Vice Chairman C.J.Gomez,Secretary COMMITTEE PERSONNEL R.B.Abernethy N.A.Alston H.P.Bean S.R.Beitler M.Bradner E.E.Buxton J.S.Castorina G.P.Corpron D.G.Darby R.H.Dieck R.B.Dowdell A.G.Ferron R.L.Galley D.Halmi Z.D.Husain B.T.Jeffries E.H.Jones,Jr.L.J.Kemp C.A.Kemper D.R.Keyser C.P.Kittredge C.G.Langford W.F.2.Lee E.D.Mannherz G.E.Mattingly R.W.Miller M.H.November W.M.Reese,Jr.P.G.Scott H.E.Snider D.W.Spitzer D.A.Sullivan R.G.Teyssandier PERSONNEL OF SUBCOMMITTEE 14-FLOW MEASUREMENT BY WEIGHING AND VOLUMETRIC MEASUREMENTS G.E.Mattingly,Chairman G.P.Corpron R.B.Dowdell D.Halmi G.A.Lenz R.W.Miller P.G.Scott R.G.Teyssandier V t 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.CONTENTS.Foreword.111 Standards Committee Roster.v 1 General.1 1.1 Scope and Field of Application.1 1.2 References.1 1.4 Symbols.2 2.1 Statement of the Principles.2 2.2 Accuracy of the Method.2 3 Apparatus.2 3.2 Time-Measuring Apparatus.9 3.3 Weighing Tank.9 3.4 Weighing Device.10 3.5 Auxiliary Measurements.10 4.1 Static Wei