Manual Air Control Valve Valve Ways and Positions 3-Way/2-Position Valve Port Size 1/8 in Connection NPT Valve Actuator / Return Button / Spring Max CFM - Valves 22.1 cfm Valve Max Pressure Rating 125 psi Valve Temp Range -20 Degrees to 160 Degrees F Center Position Closed Normally Open / Normally Closed Normally Closed Coefficient of Volume 0.3 Body Material Aluminum Overall Length 2 1/16 in Overall Height 1 1/8 in Overall Width 5/8 in Series 11 Manual Air Control Valve