1、 Pilot-oriented mode :internally piloted
2、 Structure in sliding column mode: good tightness and sensitive reaction;
3、 Double control solenoid valves have memory function;
4、 Internal hole adopts special processing technology which has little attrition friction, low start pressure and long service life;
5、 No need to add oil for lubrication;
6、 Affiliated manual devices are equipped to facilitate installation and debugging;
7、 Several standard voltage grades are optional;
8、 Integrate with the manifold to save installation space.