Table of Contents
2.1CONSTRUCTIONANDINSTALLATIONREQUIREMENTS
2.2SYMBOLS/NOMENCLATURE
2.3DEFINITIONS
2.3.1PrimaryElement
2.3.2PressureMeasurement
2.3.3TemperatureMeasurement(T[f],T[m],T[r])
2.3.4RoughnessAverage(R[a])
2.4ORIFICEPLATESSPECIFICATIONS
2.4.1OrificePlateFaces
2.4.2OrificePlateBoreEdge
2.4.3OrificePlateBoreDiameter(d[m],d[r])
andRoundness
2.4.4OrificePlateBoreThickness(e)
2.4.5OrificePlateThickness(E)
2.4.6OrificePlateBevel(q)
2.5METERTUBESPECIFICATIONS
2.5.1Definitions
2.5.2OrificeFlanges
2.5.3OrificeFittings
2.5.4PressureTaps
2.5.5FlowConditioners
2.6INSTALLATIONREQUIREMENTS
2.6.1General
2.6.2OrificePlate
2.6.3MeterTube
2.6.4AcceptablePulsationEnvironment
2.6.5ThermometerWells
2.6.6Insulation
APPENDIX2-ARESEARCHPROJECTSANDTESTSCONDUCTED
BETWEEN1922AND1999
APPENDIX2-BORIFICEMETERINSPECTIONGUIDELINES
APPENDIX2-CSPECIFICINSTALLATIONCALIBRATIONTEST
APPENDIX2-DFLOWCONDITIONERPERFORMANCETEST
APPENDIX2-EMAXIMUMALLOWABLEORIFICEPLATE
DIFFERENTIALPRESSURE
APPENDIX2-FGUIDELINESFORUSINGHIGHDIFFERENTIAL
PRESSURESFORMEASURINGNATURALGASWITH
ORIFICEMETERS
ADDENDUM1ERRORANALYSISEXAMPLE
ADDENDUM2EXPANDEDDATAFOR316STAINLESSSTEEL
SIMPLY-SUPPORTEDORIFICEPLATES Abstract
Provides the specifications for construction and installation of orifice plates, meter tubes and associated fittings.
