3 Hour - Ceiling Radiation Damper
Folded Curtain Style Blade
The CFD-20 ceiling radiation damper employs a folded curtain style blade for point-of-origin control of radiant heat in HVAC systems. The CFD-20 is installed horizontally in the ceiling membrane of floor-ceiling or roof-ceiling assemblies with fire resistance ratings up to and including 3 hours.
Frame: 22 ga. (0.85) galvanized steel.
Blades: Folded ceramic curtain.
Fire Closure Device: Fusible Link.
Fire Closure Temperature: 165oF (75oC).
Minimum Size: 4" x 4" (102 x 102)
Maximum Size: 24" x 24" (610 x 610)
UL 555C Fire Resistance Rating: 3 hour (horizontal, for use in 1, 2 or 3 hour rated assemblies).
UL 555C Listing: R14603
CSFM Listing: 3226-0368:104
Warnock Hersey Listing #: WHI-495-PSH-0177, -0178
Meets NFPA Standards: 90A and 101
Meets Building Code Standards: IBC, NBC, NFPA, SBC and UBC
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