Pilot Air Control Valve, Valve Ways and Positions 4-Way/3-Position, Valve Actuator / Return Remote Pilot / Remote Pilot, Valve Port Size 3/8 in, Max. CFM - Valves 2.1 cfm, Center Position Closed, Max. Operating PSI 145 psi, Pilot Pressure 20 psi, Pilot Port Size NPT (In.) 1/8, Max. Temp. Range (F) 5 to 120, Vacuum External Pilot, Coefficient of Volume 2.1, Cycles per Minute -, Length (In.) 6 17/32 in, Width (In.) 1 9/50 in, Height (In.) 1 7/8 in, Uses General Pneumatics Applications