Fire dampers provide an automatic means of isolating areas of fire in ventilation systems. They have the resistance class K90 (fire resistance duration) and are suitable for installation in walls and ceilings and are independent of mounting orientation and direction of air flow. The thermal release (automatic closure of the fire damper) is by means of fusible link at temperature >72°C. Alternatively, a release mechanism with electrical spring actuator can also be used.

Fire dampers provide an automatic means of isolating areas of fire in ventilation systems. They have various fire-resistance classes (fire-duration rating) and are suitable for installation in walls an ceilings and are independent of mounting orientation and direction of air flow. The thermal release (automatic closure of the fire damper) is by means of fusible link at temperature >72°C. Alternatively, a release mechanism with additional DC electro magnet, solenoid or electrical spring actuator can also be used.