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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 Imperial ISO 5167-1:1991 Calculator
Pipe & Fluid
Pressure In [psi] (P1)
Pressure Out [psi] (P2)
Viscosity [cP] (mu)
SG Spec.Gravity (sg)
Pipe Diameter [in] (D)
Orifice Diameter [in] (d)
Calculations
Pressure Drop [lbf/ft2] (dp)
Density [lb/ft3] (rho)
Viscosity [lbf.s/ft2] (mu)
Reynolds (ReD)
Reynolds Flow Regime
Beta Ratio
Dis.Coefficient (Cd)
Results
Velocity in orifice [ft/s]
Velocity in pipe [ft/s]
US gpm