Industrial Round Backdraft Damper

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Model:	580BD
Filter:	580BD
Minimum Diameter:	10"
Maximum Diameter:	48"
Frame Depth:	10" Deep
Frame Type:	Channel
Frame Material:	10 ga. Galvanized Steel
Blade Type:	Single Thickness with Reinforcing Gussets Welded to Blade
Blade Material:	12 ga. or 10 ga. Galvanized Steel
Blade Action:	Single Blade
Shafts:	Plated Steel Stub Continuous Length Welded to Blade
Bearings:	Sintered Stainless Steel Flanged Sleeve Press Fit into Frame
Stops:	Angle to Prevent Over Rotation of Blade
Operator:	6" Extended Shaft
Finish:	Mill
Maximum Temperature:	200°F
Max Static Pressure:	8" in w.g.

Seals:	Stainless Steel or Neoprene
Bearings:	Ball
Frame Holes:	One Flange or Both
Stuffing Boxes and Replacable Packing
Low Leakage Seal System