Manual Air Control Valve, Valve Ways and Positions 3-Way/2-Position, Valve Port Size 3/8 in, Connection NPT, Valve Actuator / Return Lever / Detent, Max. CFM - Valves 3.4 cfm, Valve Max. Pressure Rating 225 psi, Valve Temp. Range -15 Degrees to 200 Degrees F, Center Position Closed, Coefficient of Volume 3.4, Body Material Bronze, Overall Length 8 1/2 in, Overall Height 2 1/2 in, Overall Width 6 3/4 in, Series MO, Manual Air Control Valve