Description
1.The fire damper is designed for installation in HVAC ventilation duct systems. It remains normally open during regular operation and automatically closes when the air temperature reaches 70°C.
2.Equipped with a thermal fusible device, the damper is triggered at 70°C and closes rapidly through the force of the spring mechanism.
3.Available with motorized closing, manual closing, and manual reset functions.
4.Once closed, the damper can output an alarm/control signal to achieve linkage control with associated fans and fire protection systems.