How do you calculate hydraulic pump flow?
To find the output flow of a hydraulic pump, use this pump flow formula:
Flow (GPM) = (RPM x Disp) / 231
RPM = Rotations Per Minute
Disp = Pump Displacement in Cubic Inches
GPM = Gallons Per Minute
Example: The output flow of a pump spinning at a rate of 2000rpm
with a displacement of 2.75 cubic inches:
Flow (GPM) = (2000 x 2.75) / 231
Calculated out this gives an output flow of 23.81GPM
(rounded to the nearest 100th)
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