Solenoid Air Control Valve Valve Ways and Positions 4-Way/3-Position Voltage 24V DC Center Position Closed Valve Actuator / Return Solenoid Air Pilot / Solenoid Air Pilot Pipe Size 1/2 in Max CFM - Valves 253 cfm Operational Pressure Range 20 to 150 psi NEMA Classification NEMA 4 Valve Vacuum Range 0 to 28 in Hg Body Style Body Ported Pilot Port Size 1/2 in NPT Pilot Pressure 15 to 125 psig Coefficient of Volume 5.5 DC Plug-In w/Light Electrical Connections