Pilot Air Control Valve, Valve Ways and Positions 4-Way/3-Position, Valve Actuator / Return Pilot / Pilot, Valve Port Size 3/8 in, Max. CFM - Valves 78 cfm, Center Position Open, Max. Operating PSI 150 psi, Pilot Pressure 14.5 psi, Pilot Port Size NPT (In.) 1/8, Max. Temp. Range (F) 150, Vacuum Yes, Coefficient of Volume 1.7, Cycles per Minute -, Length (In.) 3 7/8 in, Width (In.) 1 in, Height (In.) 2 in, Uses For Air or Inert Gas, Pilot Air Control Valve