Manual Air Control Valve, Valve Ways and Positions 3-Way/2-Position, Valve Port Size 5/32 in, Connection Tube, Valve Actuator / Return Button / Spring, Max. CFM - Valves 7.5 cfm, Valve Max. Pressure Rating 150 psi, Valve Temp. Range -25 Degrees to 200 Degrees F, Center Position Not Applicable, Normally Open / Normally Closed Normally Closed, Coefficient of Volume 0.2, Body Material Composite, Overall Length 2 7/16 in, Overall Height 2 3/4 in, Overall Width 2 7/16 in, Series 460