Solenoid Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Voltage 24V DC, Center Position Not Applicable, Valve Actuator / Return Solenoid / Solenoid, ISO Class Not Applicable, 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, Body Style Base-Mounted, Pilot Pressure Not Applicable, Coefficient of Volume 1.5, DIN Connectors Electrical Connections, Shifting Technology Solenoid/Pilot