... /03/04/05/06) Control Way:on/off,open autimatically when power-of,3-wires control,5-wires for signal feedbackEnclosure ... Tight close, no leakage20.The power is cut off when the valve reaches the on/off position21.The actuator cover adopts close ... stainless steelmini motorized valve, actuated valve, motor operated valve, motor actuated valve, automatic valve, control valve,shut off valve, actuator valve ...