Solenoid Air Control Valve, Valve Ways and Positions 3-Way/2-Position, Voltage 24V DC, Valve Actuator / Return Solenoid / Spring, Pipe Size 1/4 in, Max. CFM - Valves 2.2 cfm, Operational Pressure Range 0 to 150 psi, NEMA Classification NEMA 4, Normally Closed, Body Style Stackable, Coefficient of Volume 0.062, DIN Connectors Electrical Connections, Shifting Technology Direct, Power Consumption 1.1 W, Ambient Temp. Range 0 Degrees to 122 Degrees F, Overall Height 3 9/16 in