Solenoid Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Voltage 24V DC, Center Position Not Applicable, Valve Actuator / Return Solenoid Air Pilot / Spring, ISO Class Not Applicable, Pipe Size 1/4 in, Max. CFM - Valves 79 cfm, Operational Pressure Range 0 to 150 psi, NEMA Classification NEMA 4, Valve Vacuum Range 0 to 28 in Hg, Body Style Base-Mounted, Inline, Pilot Port Size 1/8 in NPT, Pilot Pressure 14.5 psi, Coefficient of Volume 1.7, Hardwired Electrical Connections