1.The shaft clearance compensation design can automatically adjust the displacement of the pump according to the set pressure 2. Built-in pressure regulator, the system does not need to install pressure regulator valve. 3.It has the characteristics of high efficiency, energy conservation, safety and reliability4.Suitable for grinding machines, automatic lathes, pres-sure machinery, le... https://www.rectehydraulic.com/vane-water-pump-08-25-product/