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