4A400 Series Valve
- Structure in sliding column mode: good tightness and sensitive reaction.
- Three position air valves have three kinds of central function for your choice.
- Double air control 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.
- Integrate with the manifold to save installation space.