Series ASP is a speed controller with an integrated pilot check valve. This combination makes it possible to control cylinder speeds and permits temporary intermediate stops. The ASP is standard with electroless nickel plating on all brass parts and allows 360 degree freedom for tube mounting direction.,Pilot check operates with 50% of operating pressure,One-touch connection for supply air only,Available in 6-10mm and 1/4"-1/2" tube sizes,Universal style connection standard,Thread sealant is standard,Available in PT, NPT, and G thread (standard)