https://www.liming-machine.com/product/gear-pump/kp-gpg55-gear-pump.html MODEL GPG-55 The oretical exhaustion ml/r 55 Rated pressure kgf/cm2 70 Rated revolution rpm 800 Min. Revolution rpm 350 Max. testing pressure kgf/cm2 210 Max. Revolution rpm 1800 Valve control wire actuating force kg 13 G.W. of the oil pump kg 13 Email [email protected]