Solenoid Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Voltage 24V DC, Valve Actuator / Return Solenoid / Spring, Pipe Size 1/4 in, Max. CFM - Valves 50 cfm, Operational Pressure Range 0 to 115 psi, NEMA Classification NEMA 4, Valve Vacuum Range 0 to 29 in Hg, Coefficient of Volume 1.5, DIN Connectors Electrical Connections, Shifting Technology Solenoid/Pilot, Power Consumption 1.1 W, Ambient Temp. Range 0 Degrees to 180 Degrees F, Overall Height 3 1/4 in