Manual Air Control Valve, Valve Ways and Positions 4-Way/3-Position, Valve Port Size 1/2 in, Connection NPT, Valve Actuator / Return Lever / Detent, Max. CFM - Valves 5.2 cfm, Valve Max. Pressure Rating 215 psi, Valve Temp. Range -15 Degrees to 200 Degrees F, Center Position Closed, Coefficient of Volume 5.2, Body Material Bronze, Overall Length 10 in, Overall Height 2 1/2 in, Overall Width 8 in, Series MO, Manual Air Control Valve