MFD – Fire Damper



The RICKARD FIRE DAMPER is used as an automatic shut-off device to prevent fire and smoke from spreading through ducting passing through walls and floors. The fire damper is suitable for supply air and extract air systems. During normal operation the damper blade is open to enable air passage through the ventilation system. In case of a fire a mechanical fusible link triggers a coil spring to close the damper blade at 72ยฐC and prevents it from opening again.

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