Smoke and fire prevention regulating valve

1、Under normal circumstances, it is always on. In case of fire, the temperature sensor sends an electrical signal (DC24V) through the control center, and the actuator is activated.

2、Electrically operated, the valve closes automatically and outputs a closing signal.

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

4、The valve can be closed manually.

5、The output is off with a passive electrical signal and can be interlocked with the fan.

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

7、Reset manually after the valve operates.