purpose

Applied to the air ducts of the smoke exhaust system, normally open. When a fire occurs, DC24V is applied to the pipes of the smoke exhaust system. Normally open, when a fire occurs, the valve is closed by the DC24V power supply, and the valve automatically closes when the airflow temperature reaches 280 ℃.

function

·Normally open, when the airflow temperature reaches 280 ℃, the valve will automatically close;

·Electric shutdown, electric reset;

·Manual shutdown, manual reset;

·Output valve closing signal, which can be interlocked with other devices.