Specification :

Internally piloted structure; Structure in sliding column mode: good tightness and sensitive reaction; Double control solenoid valves have memory function; Internal hole adopts special processing technology which has little attrition friction, low start pressure and long service life; No need to add oil for lubrication; Install in the side plate with the surface upward, which can be used by directly connecting with the actuators Affiliated manual devices are equipped to facilitate installation and debugging; Several standard voltage grades are optional.