Protecta FR Dampers are used to fire proof ventilation ducts where they penetrate fire rated constructions such as fire compartments and fire walls, preventing the passage of fire and smoke both surrounding and inside the ventilation duct.
The product consists of a steel casing containing horizontal steel blades treated with a technically advanced heat expanding graphite which closes off the whole damper in a fire.
Circular FR Dampers from 63mm up to 1250mm. Rectangular FR Dampers up to 1200 x 1700mm.
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