Small Diameter Orifice Flow Meter Calculation for Gas Flow

Small Diameter Orifice Flow Meter Calculation - For Gas Flow computes flowrate, orifice diameter or differential pressure for pipe diameter <40 mm based on equations specified in ASME MFC-14M-2001.

Data

Solve for

Type of Tap

Pipe Diameter (D1) mm

Orifice Diameter (D2) mm

Pressure Drop Pa

Cp/Cv, k

Gas Viscosity cP

Pressure (P1) Bar A

Temperature (T1) ^oK

Molecular Weight

Solution

Flowrate140.4790m³/h

Reynold's No.1661

Orifice Coeff. (C)0.7118

Beta Ratio (β)0.6750