purpose

Used for smoke exhaust systems in transitional or smoke proof front rooms and windowless rooms of buildings, installed on walls, ceilings, and used as smoke exhaust or air supply outlets. When a fire occurs, use a DC24V power supply or manually open the air outlet for smoke exhaust or air supply.

function

·Normally closed, input DC24V power to quickly open the valve.

·Manually open or close via steel rope at a distance of approximately 6 meters

·Valve closing and opening signal.