This hydraulic gear pump is mainly adopted in the hydraulic system of dump truck. Being equipped with operating valve. This hydraulic gear pump is mainly adopted in the hydraulic system of dump truck. Being equipped with operating valve. The detailed specification as follows,1. Theoretical Delivery Capactoty: 75ml/r2. Rated Pressure: 7Mpa3. Rated Revolution: 800rpm4. Max Test Pressure: 21Mpa5. ...