Manual Air Control Valve Valve Ways and Positions 4-Way/3-Position Valve Port Size 1/4 in Connection NPT Valve Actuator / Return Lever / Manual Max CFM - Valves 0.83 cfm Valve Max Pressure Rating 150 psi Valve Temp Range 32 Degrees to 175 Degrees F Center Position Open Coefficient of Volume 0.8 Body Material Aluminum Overall Length 4 1/4 in Overall Height 1 1/2 in Overall Width 1 in Series Directair 4 Manual Air Control Valve