Manual Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Valve Port Size 1/8 in, Connection NPT, Valve Actuator / Return Lever / Spring, Max. CFM - Valves 0.6 cfm, Valve Max. Pressure Rating 232 psi, Valve Temp. Range -40 Degrees to 140 Degrees F, Coefficient of Volume 0.7, Body Material Aluminum, Overall Length 4 in, Overall Height 3 1/4 in, Overall Width 1 1/2 in, Series Viking, Manual Air Control Valve