Aluminum Blade Steel Frame 10" Deep Backdraft Damper

Teardrop Design Aluminum Blade Steel Frame 10″ Deep Backdraft Damper

Model:	900
Minimum Panel Size:	8″ x 8″
Maximum Panel Size:	60″ x 96″
Frame Depth:	10″
Frame Material:	12 ga. Galvanized Steel
Frame Type:	Formed Channel
Blade Type:	Tear Drop Design
Blade Material:	.080″ Thick Extruded Aluminum 6063-T6/T52 Alloy With Groove Inserts on Edges for Silicone Seals
Blade Action:	Parallel
Blade Seals:	Extruded Silicone Rubber Off-Set Leg
Jamb Seals:	None
Bearings:	Ball Bearing Pressed Into Frame
Axles:	¾” Diameter Plated Steel
Linkage:	⅛” Thick Plated Steel Bracket with Plated Steel Pivot in Celcon Sleeve Bearings On-Blade
Counterweights:	Adjustable Range of Opening Pressures Assist or Retard
Temperature Limits:	-30°F to 190°F
Finish:	Mill

*Dampers smaller than minimum frame size require transitions.

Description

FRAME: 2″ x 10″ x 2″, 12 GA. galvanized steel formed channel.
BLADES: .080″ thick (nominal) extruded aluminum, 6063-T52/T6 alloy, teardrop shape. Groove inserts at blade edges for extruded silicone rubber seals. Blades are approximately 6″ on centers.
AXLES: ¾” dia. plated steel positively locked to blade, placed off- center in blade.
SEALS: Extruded silicone rubber off-set leg at blade edges. None at jambs.
LINKAGE: ⅛” thick plated steel bracket with ½” dia. plated steel pivot riding in a celcon sleeve bearing. Linkage rod is ⁵⁄16″ dia. locked to pivot with a ¼ – 20 UNC plated steel set screw.
BEARINGS: Ball bearings pressed into frame.
FINISH: Mill.
TEMP. LIMITS: -30°F to 190°F.
COUNTERWEIGHTS: Adjustable for a full range of opening pressures

Teardrop Design Aluminum Blade Steel Frame 10″ Deep Backdraft Damper Submittal