It is suitable for the control of the front top multi- stage cylinder, and the lower oil return port T can beassembled on the valve seat of the oil tank to return the oil directly.
The side oil return port T1 can also be selected, and the pipe type oil return is adopted. Remote air pressure control cabin lift, lower and proportional slow down function.It is equipped with a pilot-operated relief valve and an oil inlet check valve, which can set the system pressure.