Manual Air Control Valve Valve Ways and Positions 4-Way/2-Position Valve Port Size 1/4 in Connection NPT Valve Actuator / Return Foot Pedal / Spring Max CFM - Valves 0.83 cfm Valve Max Pressure Rating 150 psi Valve Temp Range 32 Degrees to 175 Degrees F Coefficient of Volume 0.8 Body Material Aluminum Overall Length 7 1/2 in Overall Height 1 1/2 in Overall Width 2 1/2 in Series Directair 4 Manual Air Control Valve