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Large Diameter Orifice Flow Meter Calculation - For Gas Flow computes flowrate, orifice diameter or differential pressure for pipe diameter greater than 50 mm based on ISO-5167 standards.

Data

Solve for
Type of Tap
Pipe Diameter mm
Orifice Diameter mm
Flowrate (Q) m3/h
Pressure Drop Pa
Cp/Cv, k
Gas Viscosity cP
Pressure (P1) Bar A
Temperature (T1) oK
Molecular Weight
Compressiblity Factor (Z)

Solution

Flowrate15.6332m3/h

Reynold's No.5900

Orifice Coeff. (C)0.5963

Beta Ratio (β)0.1333