Aro A222SD-120-A-G Solenoid Air Control Valve, 1/4in, 120Vac NEW. Brand new in original factory box, box was opened for detailed photos, item is in perfect condition. ARO / Ingersoll Rand. Item: Solenoid Air Control Valve. Valve Ways and Positions: 4-Way/2-Position. Valve Actuator / Return: Solenoid / Solenoid. Coefficient of Volume: 0.7. Pipe Size: 1/4 in. CFM – Valves: 61.0. Operational Pressure Range: 50 to 150 psi.