purpose

Applied to the smoke exhaust system of corridors, smoke proof front rooms, and windowless rooms in buildings, installed on the wall and ceiling as smoke exhaust vents. In case of fire, exhaust or supply air through DC24V power supply or manual opening.

function

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

·When the airflow temperature reaches 280 ℃, the valve will automatically close (the air supply outlet does not have this function).

·Manually turn on or reset.