API MPMS 14.3.1
Manual of Petroleum Measurement Standards Chapter 14—Natural Gas Fluids Measurement Section 3—Concentric, Square-edged Orifice Meters Part 1—General Equations and Uncertainty Guidelines
|Publication Date:||1 September 1990|
This standard provides a single reference for engineering equations, uncertainty estimations, construction and installation requirements, and standardized implementation recommendations for the calculation of flow rate through concentric, square-edged, flange-tapped orifice meters. Both U.S. customary (IP) and International System of Units (SI) units are included.