_API_MPMS_5.2_2005_2010.pdf

SPECIAL NOTESAPI publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state,and federal laws and regulations should be reviewed.Neither API nor any of APIs employees,subcontractors,consultants,committees,orother assignees make any warranty or representation,either express or implied,with respectto the accuracy,completeness,or usefulness of the information contained herein,or assumeany liability or responsibility for any use,or the results of such use,of any information orprocess disclosed in this publication.Neither API nor any of APIs employees,subcontrac-tors,consultants,or other assignees represent that use of this publication would not infringeupon privately owned rights.API publications may be used by anyone desiring to do so.Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in them;however,theInstitute makes no representation,warranty,or guarantee in connection with this publicationand hereby expressly disclaims any liability or responsibility for loss or damage resultingfrom its use or for the violation of any authorities having jurisdiction with which this publi-cation may conflict.API publications are published to facilitate the broad availability of proven,sound engi-neering and operating practices.These publications are not intended to obviate the need forapplying sound engineering judgment regarding when and where these publications shouldbe utilized.The formulation and publication of API publications is not intended in any wayto inhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the markingrequirements of an API standard is solely responsible for complying with all the applicablerequirements of that standard.API does not represent,warrant,or guarantee that such prod-ucts do in fact conform to the applicable API standard.All rights reserved.No part of this work may be reproduced,stored in a retrieval system,ortransmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission from the publisher Contact the PublisherAPI Publishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright 2005 American Petroleum InstituteFOREWORDChapter 5 of the API Manual of Petroleum Measurement Standards(API MPMS)pro-vides recommendations,based on best industry practice,for the custody transfer metering ofliquid hydrocarbons.The various sections of this Chapter are intended to be used in con-junction with API MPMS Chapter 6 to provide design criteria for custody transfer meteringencountered in most aircraft,marine,pipeline,and terminal applications.The informationcontained in this chapter may also be applied to non-custody transfer metering.The chapter deals with the principal types of meters currently in use:displacement meters,turbine meters and Coriolis meters.If other types of meters gain wide acceptance for themeasurement of liquid hydrocarbon custody transfers,they will be included in subsequentsections of this chapter.Nothing contained in any API publication is to be construed as granting any right,by impli-cation or otherwise,for the manufacture,sale,or use of any method,apparatus,or productcovered by letters patent.Neither should anything contained in the publication be construedas insuring anyone against liability for infringement of letters patent.This document was produced under API standardization procedures that ensure appropriatenotification and participation in the developmental process and is designated as an API stan-dard.Questions concerning the interpretation of the content of this publication or commentsand questions concerning the procedures under which this publication was developed shouldbe directed in writing to the Director of Standards,American Petroleum Institute.1220 LStreet,N.W.,Washington,D.C.20005.Requests for permission to reproduce or translate allor any part of the material published herein should also be addressed to the director.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least everyfive years.A one-time extension of up to two years may be added to this review cycle.Statusof the publication can be ascertained from the API Standards Department,telephone(202)682-8000.A catalog of API publications and materials is published annually and updatedquarterly by API,1220 L Street,N.W.,Washington,D.C.20005.Suggested revisions are invited and should be submitted to the Standards and PublicationsDepartment,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.