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Calculation Type
Flow Calculator
Restricition Orifice
Orifice Plate
PSV
Restriction Orifice Liquid
Metric - Find Flow
Metric - Find Size
Metric - Find dP
Imperial - Find Flow
Imperial - Find Size
Imperial - Find dP
Restriction Orifice Gas
Metric - Find Flow
Metric - Find Size
Metric - Find dP
Imperial - Find Flow
Imperial - Find Size
Imperial - Find dP
Orifice Calculator Sizing
Liquid Flow Metric ISO 5167-1:1991 Calculator
Pipe & Fluid
Pressure In [bar] (P1)
Pressure Out [bar] (P2)
Viscosity [cP] (mu)
Density [Kg/m3] (rho)
Pipe Diameter [mm] (D)
Orifice Diameter [mm] (d)
Calculations
Pressure Drop [bar] (dp)
Reynolds (ReD)
Reynolds Flow Regime
Beta Ratio
Dis.Coefficient (Cd)
Results
Velocity in orifice [m/s]
Velocity in pipe [m/s]
Mass Flow Rate [Kg/s]
Mass Flow Rate [Kg/h]
Volumetric Flow Rate [m3/h]