ASME_MFC-11-2006.pdf

ASME MFC-11-2006(Revision of ASME MFC-11M-2003)Measurement ofFluid Flow byMeans ofCoriolis MassFlowmetersAN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersThree Park Avenue.New York,NY 10016Date of Issuance:March 30,2007This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.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 NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does notapprove,rate,orendorseany 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 anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.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.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright2007byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSFOreWOrd.ivCommittee Roster,Correspondence With the MFC Committee.1SC0pe12Terminology,Symbols,References,and Bibliography.1Mass Flow Measurement.64Coriolis Flowmeter Selection and Application Guidelines.9Inspection and Compliance.156Density Measurement of Liquid.15Volume Flow Measurement Under Metering Conditions.178Additional Measurements.199Coriolis Flow Measurement Uncertainty Analysis Procedure.20Figures3.1.1 Principle of Operation of a Coriolis Flowmeter.74.1.3-1 Examples of Coriolis Flowmeter Performance and Pressure Loss vs.FlowRate。104.1.3-2 Examples of Coriolis Flowmeter Performance and Pressure Loss vs.FlowRate104.1.3-3 Examples of Coriolis Flowmeter Performance and Pressure Loss vs.FlowRate114.1.3-4 Examples of Coriolis Flowmeter Performance vs.Flow Rate.11Tables2.3SymbOlS.32.4Abbreviations.6Nonmandatory AppendicesAFlow Calibration Techniques.23Safety Considerations and Secondary Containment of Coriolis Flowmeters.2CCoriolis Flowmeter Sizing Considerations.6道FOREWORDCoriolis flowmeters cover a family of devices with varying designs that depend on the Coriolisforce generated by the fluid(liquid or gas)flowing through oscillating tube(s).The primarypurpose of Coriolis flowmeters is to measure mass flow.However,some of these flowmeters alsomeasure liquid density and temperature of the oscillating tube wall.From the measurements,the mass flow of liquid or gas,liquid density,liquid volume flow,and other related quantitiescan be determined.This Standard was approved by the American National Standards Institute(ANSI)on July 13,2006.ivASME MFC COMMITTEEMeasurement of Fluid Flow in Closed Conduits(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSZ.D.Husain,ChairR.J.DeBoom,Vice ChairA.L.Guzman,SecretarySTANDARDS COMMITTEE PERSONNELC.J.Blechinger,Member Emeritus,ConsultantG.E.Mattingly,ConsultantR.M.Bough,Rolls-RoyceD.R.Mesnard,ConsultantG.P.Corpron,ConsultantR.W.Miller,Member Emeritus,R.W.Miller and Associates,Inc.R.J.DeBoom,ConsultantA.M.Quraishi,American Gas AssociationD.Faber,Corresponding Member,Badger Meter,Inc.B.K.Rao,ConsultantR.H.Fritz,Corresponding Member,Lonestar Measurement andW.F.Seidl,Colorado Engineering Experiment Station,Inc.T.M.Kegel,Alternate,Colorado Engineering Experiment Station,ControlsInc.F.D.Goodson,Emerson Process Management-Daniel DivisionD.W.Spitzer,Spitzer and Boyes,LLCA.L.Guzman,The American Society of Mechanical EngineersR.N.Steven Colorado Engineering Experiment Station,Inc.Z.D.Husain,Chevron Corp.D.H.Strobel,Member Emeritus,ConsultantE.H.Jones,Jr.,Alternate,Chevron Petroleum TechnologyJ.H.Vignos,Member Emeritus,ConsultantC.G.Langford,ConsultantD.E.Wiklund,Rosemount,Inc.W.M.Mattar,Invensys/Foxboro Co.D.C.Wyatt,Wyatt EngineeringSUBCOMMITTEE 11 DYNAMIC MASS FLOWMETERS(MFC)R.J.DeBoom,Chair,ConsultantD.R.Mesnard,ConsultantG.P.Corpron,ConsultantA.M.Quraishi,American Gas AssociationZ.D.Husain,Chevron Corp.B.K.Rao,ConsultantM.J.Keilty,Endress Hauser Flowtec AGD.W.Spitzer,Spitzer and Boyes,LLCM.S.Lee,Micro Motion,Inc.J.H.Vignos,ConsultantW.M.Mattar,Invensys/Foxboro Co.