1. Pilot-oriented mode: optional for internal or external;
2. Structure in sliding column mode: good tightness and sensitive reaction;
3. Three position solenoid valves have three kinds of central function for your choice;
4. Double control solenoid valves have memory function;
5. Internal hole adopts special processing technology which has little attrition friction, low start pressure and long service life;
6. No need to add oil for lubrication;
7. Affiliated manual devices are equipped to facilitate installation and debugging;
8. It is available to form integrated valve group with the base to save installation space;
9. Several standard voltage grades are optional.