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. Protecta FR Dampers comply with the more onerous pressure requirements of AS1530.4-2014 Section 11. Note that AS1530.4-2005 test documentation is no longer acceptable in NZ for dampers.
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.
No insulation required around the damper, eliminating condensation issues common with other brands.
Circular FR Dampers up to 1250mm. Rectangular FR Dampers up to 1200 x 1700mm.
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