Finds liquid flow rate, orifice diameter and differential pressure in accordance with this standard. The volume flow rate at line conditions and standard conditions are found along with the net standard volume, the mass flow rate and water flow rate.

References
American Gas Association Report No. 3 Part 4:1992, Natural Gas Fluid Measurement.
API MPMS Chapter 14.3: 1992 General Equations and Uncertainty Guidelines – Concentric Square-edged Orifice Meters.