Air Valve SizingAvailable Air Pressure:PSICylinder Bore:InchesStroke Length:Stroke InchesTime for Stroke:Seconds Volume Required:Cubic InchesCubic Feet per Minute:CFMCoefficient of Flow:Cv (with 2 psi pressure drop) Cv (with 5 psi pressure drop) Cv (with 10 psi pressure drop)