Manual Air Control Valve Valve Ways and Positions 4-Way/2-Position Valve Port Size 1/2 in Connection NPT Valve Actuator / Return Rotary Lever / Manual Max CFM - Valves 85 cfm Valve Max Pressure Rating 140 psi Valve Temp Range 15 Degrees to 122 Degrees F Coefficient of Volume 2.4 Overall Length 3 in Overall Height 4 9/32 in Overall Width 3 in Manual Air Control Valve