Pilot Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Valve Actuator / Return Pilot / Pilot, Valve Port Size 1/8 in, Max. CFM - Valves 39 cfm, Center Position Not Applicable, Max. Operating PSI 150 psi, Pilot Pressure 20 psi, Pilot Port Size NPT (In. ) 1/8 (F), Max. Temp. Range (F) 0 to 180, Cycles per Minute Up to 600, Length (In. ) 3 7/8 in, Width (In. ) 1 in, Height (In. ) 1 7/8 in, Uses For Controlling Multiple Machine Functions with Individual Valves from One Location