1. The same series of directional control valves can be integrated into the valve group to save space and cost;2. Unify the intake and exhaust, and unified wiring, making it easy to find when a fault occurs;3. Flexible combination and strong expandability, the number of connected directional control valves can be arbitrarily combined or expanded;Category: Cylinder seals, Brand: Airtac, Series: P-3V-R1