Pilot Air Control Valve Valve Ways and Positions 4-Way/2-Position Valve Actuator / Return Pilot / Pilot Valve Port Size 3/8 in Max CFM - Valves 61 cfm Max Operating PSI 150 psi Pilot Pressure 20 psi Pilot Port Size NPT (In.) 1/8 (F) Max Temp Range (F) 0 to 180 Coefficient of Volume 1.7 Length (In.) 3 in Width (In.) 2 7/16 in Height (In.) 2 1/32 in Pilot Air Control Valve