ChangJia's directional control valves if based on the control method, can be divided into the following three categories:
1. Manual valves: Operated by a handle or button, like P40 and P80, have different options can choose from according to your needs.
2. Solenoid valves: Available in single, dual, and pilot-operated solenoid types, such as WE4, WE5, WE6, WE10 series.
3. Hydraulic/electrohydraulic valves: Actuated by hydraulic or electrohydraulic signals, such as WH, WEH series.