Solenoid Air Control Valve, Valve Ways and Positions 4-Way/3-Position, Voltage 120V AC, Center Position Open, Valve Actuator / Return Solenoid / Solenoid, Pipe Size 1/2 in, Max. CFM - Valves 253 cfm, Operational Pressure Range 0 to 150 psi, NEMA Classification NEMA 4, Valve Vacuum Range 0 to 28 in Hg, Body Style Body Ported, Pilot Port Size 1/2 in NPT, Coefficient of Volume 5.5, AC Plug-In w/Light Electrical Connections, Shifting Technology Spool & Sleeve, Power Consumption 2.5 W