3, Plug-In Electrical Connections, Shifting Technology Slow, Ambient Temp.Solenoid Air Control Valve,3/4 In,24VDC CFM - Valves 9.6 cfm, Operational Pressure Range 20 to 140 psi, NEMA Classification NEMA 4, Normally Open, Body Style Body Ported, Pilot Port Size 1 in x 1 in NPT, Coefficient of Volume 9.