purpose

Applied to the air duct of the smoke exhaust system, it is normally open. In the event of a fire, the valve is closed through a DC24V power supply. The valve automatically closes when the airflow temperature reaches 280 ℃.

function

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

·When the airflow temperature reaches 280 ℃, the valve automatically closes.

·Manually open or reset;

·The output valve closing signal can be interlocked with other devices.