Specification :

1.Use the air to drive hydraulic pump. Once the outlet hydraulic pressure reaches the setting pressure, it will stop driving.
2.It will add the pressure automatically if the outlet pressure is reducing.
3.It can inspect the pressure and interlock with the machine.
4.There are different hydraulic pressure ( 60-420kg/ cm2) depending on the requirement.
5.The circuit control system has the function of check and avoiding oil leaking.