Gear pump size calculator

App description

Gear pump is a rotary pump which transfers liquid
or pressurizes by changing and moving the working
volume formed between pump cylinder and meshing gear.

Two enclosed spaces are composed of two gears, a pump
body, and front and rear covers. When the gears rotate,
the volume of the space on the side of the gear disengagement
increases from small to form a vacuum to suck in liquid,
and the volume of the space on the gear mesh side increases
from large Small, and squeeze the liquid into the pipeline.

The suction chamber and discharge chamber are separated by
the meshing line of two gears. The pressure of the discharge
port of the gear pump completely depends on the size of the
resistance at the pump outlet.

Usage example

Outer Daimeter Of Gear ：5

Width Of Gear: 8

Center distance of Gears：4

Click "calculate" to output the result.

Gear Pump Size：548.6 GPM @ 1200 RPM.