Fire regulating valve

1、It is usually in the normally open state, and the fuse's operating temperature is 70°C(280°C).

2、When the temperature of the airflow inside the air duct reaches 70°C (280°C), the fusible element melts and the valve closes automatically.

3、The valve can be manually closed.

4、The valve has six levels of air volume adjustment opening.

5、Reset manually after the valve operates.