Galvanized Steel Intake or Discharge Backdraft Damper

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Model:	366
Minimum Panel Size:	8″ x 11″
Maximum Panel Size:	48″ x 72″
Frame Depth:	4″ Deep
Frame Type:	Hat Shaped Channel
Frame Material:	16 ga. Galvanized Steel
Blade Type:	Single Thickness
Blade Material:	16 ga. Galvanized Steel
Blade Action:	Parallel
Blade Seals:	³/₁₆” Thick Polyurethane Foam
Shaft:	½” Diameter Plated Steel Stub 6″ Long Mono-Bolted to Blade
Bearings:	Oil Impregnated Sintered Bronze, Flanged Sleeve
Linkage:	⅛” Thick Plated Steel Bracket with ½” Dia. Steel Pivot in Celcon Sleeve Bearing On-Blade
Finish:	Mill
Temperature Limits:	-30°F – 180°F

*Dampers smaller than minimum frame size require transitions.

FRAME: 16 GA. galvanized steel, hat-shaped channel frame.
BLADES: 16 GA. galvanized steel, approximately 8” on centers.
SHAFTS: ½” dia. plated steel stub 6” long, mono-bolted to blade.
BLADE SEALS: 3⁄16” thick polyurethane foam.
BEARINGS: Oil impregnated sintered bronze, flanged sleeve.
LINKAGE: ⅛” thick plated steel bracket with ½” dia. steel pivot in a celcon sleeve bearing. Linkage rod is 5⁄16” dia. aluminum, locked to pivot with ¼ – 20 UNC plated steel set screw.
FINISH: Mill.
TEMP. LIMITS: -30°F to +180°F