The gear pump working principle is, it uses the gears actions otherwise rotating actions to move liquids. The rotating part extends the seal of liquid by the pump case to create suction at the inlet of the pump. Liquid drawn into the pump can be included in the rotating gears cavities and moved to the expulsion. We keep a wide variety of hydraulic gear pumps of multiple well renowned brands in our inventory. Tandem pumps can also be supplied on request.