1/4" SAE type EVR series Solenoid Valve 24V Solenoid valves with coil for condensing unit EVR is a direct or servo-operated solenoid valve for liquid, suction, and hot gas lines with fluorinated ...

This paper investigates a novel structure voice coil motor (VCM), which is used in ventilator. The VCM controls on and off of the valve of ventilator, so steady thrust and fast response are needed.