Ceiling Radiation Damper - 1 Hour - Butterfly Style Blade - CFD-521

1 Hour - Ceiling Radiation Damper
Butterfly Style Blade

The CFD-521 ceiling radiation damper employs butterfly style blades for point-of-origin control of radiant heat in HVAC systems. The CFD-521 is installed horizontally in the ceiling membrane of combustible floor-ceiling or roof-ceiling assemblies with fire resistance ratings up to and including 1 hour.

Tekniset tiedot

Standard Construction
Frame: 22 ga. (1) galvanized steel with integral outlet box.
Blades: 22 ga. (0.85) galvanized steel - butterfly. Insulated with ceramic refractory material for dampers larger than 114 in² (735 cm²).
Transition: Round, with 2" (51) deep collar, located on W side of outlet box.
Plaster Ground: 5/8" (16) deep x 1" (25) wide.
Closure Device: Fusible Link.
Fire Closure Temperature: 165^oF (75^oC).
Minimum Size: 4" x 6" (102 x 152)
Maximum Size:
Square: 18" x 18" (457 x 457)
Rectangular: 24" (610) W or 20" (508) H with a maximum area of 324 in² (2090 cm²)

Ratings
UL 555C Fire Resistance Rating: 1 hour for installation in floor designs L-521, L-528, L-546, L-558, L-562, L-574, L-576, L-581, L-583, L-585, M-509, M-540 and in roof/ceiling designs P-522, P-533, P-538, P-545, P-547, P-579 and P-580.
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

Tekniset tiedot

Yksilöity viiteCeiling-Radiation-Damper-1-Hour-Butterfly-Style-Blade-CFD-521
TuoteperheHVAC
TuoteryhmäCeiling Radiation Dampers
TyyppiObjekti (yksittäinen objekti)
Julkaisupäivä2024-07-16
Painoksen numero1

Linkit

Tuotteen urlhttps://www.pottorff.com/product/details/59

Luokitus

BIMobject-luokkaLVI - Kanavistot
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OmniClass-numero23-33 29 19
OmniClass-nimikeDampers

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