Hydraulic Displacement Calculator

Formula to calculate gear pump displacement

Q = (Pi / 2) x B x (DA square - A square)

Q = Displacement cm3 /rev

B = Gear Width cm

DA = Gear tip diameter cm

A = Gear Centres (when meshed) cm

Please note this is a general guide and cannot be relied on to be 100% accurate. UHE do not accept any liability for misapplication of this information.