PTO PUMP. This hydraulic gear pump is composed of four units: gear oil pump, overflow valve, non-return valve and operating valve. Being equipped with operating valve connecting with inside of pump body and plug in overflow valve. So that the lifting and dropping of funnel can be controlled by operating rod. By this way, to protect the hydraulic system and oil. Cylinder from being damaged when over loaded.Working Conditions: 1. Temperature range of oil: 2. -20ºC----60ºC 3. Fiter fineness of oil: <=500um 4. Hight of absorbing oil: <=500mm 5. Driving: Directly driven by flexible 6. Direction of rotation: Coupling (In view of the direction from axle end)Constructing Principle: This hydraulic gear pump is composed of four units: gear oil pump, overflow valve, non-return valve and operating valve.Technical Data: 1. Theoretical exhaust: 45ml/r 2. Rated pressure: 7Mpa 3. Rated revolution: 800rpm 4. Max. testing pressure: 20mpa 5. Max. revolution: 1800rpm 6. G.W. of oil pump: 15kg