purpose

Applied to the smoke exhaust system of corridors, smoke proof front rooms, and windowless rooms in buildings, installed on the ceiling and used as smoke exhaust outlets. In case of a fire, the area can be opened remotely through DC24V power supply or manual operation for smoke exhaust or air supply. When the airflow temperature reaches 280 ℃, the valve will automatically close.

function

·Normally closed, remotely manually or electrically open the valve, and manually reset it.

·Output valve closing signal.