1. Structure in sliding column mode: good tightness and sensitive reaction;
2. There are three medium functions of three-position air valves for your choice;
3. Two-position air control valve with two heads has memory function;
4. Internal hole adopts special processing technology which has little attrition friction, low start pressure and long service life;
5. No needs to add oil for lubrication;
6. Integrate with the manifold to save installation space.