Solenoid Air Control Valve Valve Ways and Positions 4-Way/3-Position Voltage 120V AC Center Position Open Valve Actuator / Return Solenoid / Solenoid ISO Class 15407-1 Pipe Size 1/4 in Max CFM - Valves 0.4 cfm Operational Pressure Range 45 to 145 psi NEMA Classification NEMA 4 Valve Vacuum Range 0 to 28 in Hg Body Style Base Mounted Pilot Port Size 1/4 in NPT Coefficient of Volume 0.5 3-Pin DIN 43560C Electrical Connections Shifting Technology Ceramic Plate