1.used for the dump truck
2. has self-locking function
3.Proportional control valve has the lift,stop,drop of control handly

dump truck lift valve
The hydraulic valves made in very good conditio

dump truck lift valve

Proportional control valve has the lift,stop,drop of control handle

and power take off controlling switch. The valve could arbitrary

adjust the pressure in the process of dropping and control the

reversing valve of air oil discharge quantity. When it stops or

drops,Most importantly,the transportation clearly and definitely