Manual Air Control Valve Valve Ways and Positions 4-Way/3-Position Valve Port Size 3/8 in Connection NPT Valve Actuator / Return Lever / Manual Max CFM - Valves 83 cfm Valve Max Pressure Rating 150 psi Valve Temp Range -10 Degrees to 180 Degrees F Center Position Closed Coefficient of Volume 2.3 Overall Length 6 7/16 in Overall Height 3 1/2 in Overall Width 6 7/16 in Series K Manual Air Control Valve