Specification :

Pilot-oriented mode: optional for internal or external; Structure in sliding column mode: good tightness and sensitive reaction; Three position solenoid valves have three kinds of central function for your choice; 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; It is available to form integrated valve group with the base to save installation space; Affiliated manual devices are equipped to facilitate installation and debugging; Several standard voltage grades are optional.