purpose

Applied to the supply and return air ducts of ventilation and air conditioning systems with fire prevention requirements, when a fire occurs, the temperature fuse will activate and the valve will quickly close to cut off the spread of fire and smoke.

function

Manually close or reset;

Normally open, when the airflow temperature reaches 70 ℃, the fuse will activate to automatically close the valve.

Output valve closing signal.

Stainless steel (used for clean air conditioning and kitchen exhaust systems).