Backdraft Damper S3G Ruskin

Ruskin’s S3G Commercial backdraft damper has a 3" (76) frame and is constructed of galvanized steel. It features a wide operating range with velocities up to 3000 fpm, mechanically locked blade seals and construction designed for performance

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Product descritipion

Backdraft Damper S3G 

STANDARD CONSTRUCTION


FRAME
20 gauge (1.0) galvanized steel.
BLADES
28 gauge (.50) galvanized steel.
BLADE SEAL
Ruskiprene blade edge seal mechanically locked into blade
edges.
LINKAGE
Damper sections up to 24" (610) wide: galvanized steel single
tie bar linkage. Damper assemblies larger than 24" (610) wide:
galvanized steel double tie bar linkage.
AXLES
Damper sections up to 42" (1067) wide: Zytel synthetic axle
assembly mechanically locked onto blade edge. Damper assemblies
larger than 42" (1067) wide: stainless steel axle and blade
bracket assembly.
FINISH
Mill.
MAXIMUM SIZE
Single Section –
42"w x 64"h (1067 x 1626) with standard construction.
40"w x 48"h (1016 x 1219) with aluminum blades.
72"w x 54"h (1880 x 1372) with center blade support both aluminum
and galvanized.
Multiple Section Assembly – Unlimited Size.
MINIMUM SIZE
Single Section – 8"w x 8"h (203 x 203)
Two blades, parallel or opposed action: 8"w x 9"h (203 x 229).
TEMPERATURE LIMITS
-40°F and +200°F (-40°C to +94°C).

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