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Intumescent joint for fire resistant damper for ventilation or air conditioning conduits and like, is thermally expanded in event of fire to establish hermetic seal between damper and associated conduit
Intumescent joint for fire resistant damper for ventilation or air conditioning conduits and like, is thermally expanded in event of fire to establish hermetic seal between damper and associated conduit
The joint, installed to the periphery of a fire resistant damper or the interior of a conduit, is thermally expanded in case of fire and establishes hermetic sealing between the damper and the conduit.
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