Table of Contents

1 Scope
2 Normative References
3 Symbols, Units, and Terminology
4 Flow Measurement Equations
5 Flow Equation Components Requiring Additional
  Computation
6 Gas Properties
Annex A (informative) - Adjustments for Instrument Calibration
Annex B (informative) - Factors Approach
Annex C (informative) - Flow Calculation Examples
Annex D (informative) - Pipe Tap Orifice Metering
Annex E (informative) - SI Conversions
Annex F (informative) - Development of Constants for Flow
        Equations
Annex G (informative) - Buckingham and Bean Empirical
        Expansion Factor (Y) for Flange-tapped Orifice Meters
Bibliography

Abstract

Acts as an application guide for the calculation of natural gas flow through a flange-tapped, concentric orifice meter, using the U.S. customary (USC) inch-pound system of units.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN
Supersedes	API 2530 : 2ED 1985 API MPM CH14.3.3 : 1992 API MPM CH14.3 : 3ED 90 API MPM CH14.3.3 : 1992 API MPM CH14.3.3 : 1992 : R2003 API MPM CH14.3.3 : 1992 : R2009