NBG Fire Door Motor
A fire proof door is an integral step in ensuring the prevention of a fire spreading to other buildings. These doors prevent fire and smoke from spreading from room to room or building to building. In the event when a fire, it is essential that a rolling fire proof door preforms a controlled close when the door is left open. In order to achieve this the NBG Fire Door Motors can preform a closure of the door using the weight of the door and gravity.
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