Solenoid Air Control Valve, Valve Ways and Positions 3-Way/2-Position, Voltage 120V AC, Valve Actuator / Return Solenoid / Spring, Pipe Size 1/2 in NPT, Max. CFM - Valves 3.9 cfm, Operational Pressure Range 20 to 140 psi, NEMA Classification NEMA 4, Normally Closed, Body Style Body Ported, Pilot Port Size 1/2 in x 1/2 in, Coefficient of Volume 3.8, Plug-In Electrical Connections, Shifting Technology Slow, Ambient Temp. Range 0 Degrees to 125 Degrees F, Override Non-Locking Manual