Parallel/Opposed Single Thickness Blade Balancing Damper

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Model:	AB1 / AB2
Filter:	AB1,AB2
Minimum Panel Size:	6" x 8"
Maximum Panel Size:	48" x 48"
Frame Depth:	5 ½"
Frame Type:	Hat Channel Shaped
Frame Material:	16 ga. Galvanized Steel
Blade Type:	Single Thickness/Single Blade with Formed Edges and Center Bead
Blade Material:	16 ga. Galvanized Steel
Blade Action:	Parallel or Opposed
Blade Seals:	None
Jamb Seals:	None
Bearings:	Non-Metallic Nylon
Actuator:	Locking Manual Quadrant
Finish:	Mill
Temperature:	200° F
Max Differential Pressure:	4 in. w.g.
Max Velocity:	2000fpm

Face Bypass:	Vertical or Perpendicular Only
Sleeves, Transitions, Side Plates
304 Stainless Steel
Vertical Blades
Flange Frame:	Front, Rear or Both
Retaining Angles:	1 or 2 Sets
Bearings:	OIB or Stainless Steel
Security Bars