Backdraft Damper S2SS Ruskin

The S2SS offers corrosion resistant, backdraft protection. Units have windstops all around and strong, 26 gage stainless steel blades resting on polyurethane strips for tight seal and quiet operation. Nylon bearings reduce friction and provide smooth, easy operation. Sturdy, all welded frame keeps bearings and full length axles in proper alignment for long unit life.

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Backdraft Damper S2SS Ruskin

STANDARD CONSTRUCTION


FRAME
2" x 5/8" x 16 gage (51 x 16 x 1.6) 304 stainless steel channel with windstops all around.
BLADES
26 (.6) gage 304 stainless steel blades with bottom break and curled edges. Polyurethane blade seals at top.
AXLES
Full length, 3/16" (4.75) diameter stainless steel.
BEARINGS
Nylon.
LINKAGE
1/8" x 1/2" (3 x 13) stainless steel tie bar. Two tie bars are used when width exceeds 24" (610).
FINISH
Mill.
MINIMUM SIZE
6" w x 6"h (152 x 152).
MAXIMUM SIZE
36"w x 60"h (914 x 1524). Use multiple panels for larger openings.
TEMPERATURE LIMITS
-40°F (-40°C) minimum to +200°F (94°C).
MAXIMUM VELOCITIES
Rear Linkage
System – 1000 fpm
Spot - 1500 fpm
Front Linkage
System – 3000 fpm
Spot – 3500 fpm

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