_API_MPMS_5.2_2005_2020.pdf

Manual of PetroleumMeasurement StandardsChapter 5-MeteringSection 2-Measurement of Liquid Hydrocarbonsby Displacement MetersTHIRD EDITION,SEPTEMBER 2005REAFFIRMED,DECEMBER 2020PAmericanPetroleumInstituteManual of PetroleumMeasurement StandardsChapter 5-MeteringSection 2-Measurement of Liquid Hydrocarbonsby Displacement MetersMeasurement CoordinationTHIRD EDITION,SEPTEMBER 2005REAFFIRMED,DECEMBER 2020APAmericanPetroleumInstituteFOREWORDChapter 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,200Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Requests for permissionto reproduce or translate all or any part of the material published herein should also beaddressed to the director.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least everyfive years.A one-time extension of up to two years may be added to this review cycle.Statusof the publication can be ascertained from the API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,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001.Suggested revisions are invited and should be submitted to the Standards and PublicationsDepartment,API,200 Massachusetts Avenue,NW,Suite 1100,Washington,DC 20001,standardsapi.org.