Fire Damper - 1-1/2 Hour - Round Blade - FD-125R

Standard Construction

Sleeve/Frame: Integral 16" x 20 ga. (406 x 1.0) galvanized steel with reinforcing beads.

Retaining Plates: Dual sided system suitable for round or square penetrations.

Blade: 14 ga. (2.0) equivalent galvanized steel - round.

Axles: 1/2" (13) diameter plated steel, D<8" (203), 3/4" (19), D≥8" (203).

Linkage: In the air-stream.

Bearings: Bronze oilite, sleeve-type.

Fire Closure Device: Fusible link.

Fire Closure Temperature: 165^oF (75^oC).

Minimum Size: 6" Ø (152 Ø)

Maximum Size: 24" Ø (610 Ø)

Ratings

UL 555 Fire Resistance Rating: 1-1/2 hour (vertical and horizontal)

UL 555 Listing: R11767

CSFM Listing: 3225-0368:112 and 3230-0368:113

New York City MEA Listing: 295-98-E

Meets NFPA Standards: 90A, 92A, 92B and 101

Meets Building Code Standards: IBC, NBC, NFPA, SBC and UBC