Opposed Blade Volume Damper 3000-0BD-54X34 Step Down Ceiling Diffuser 2x4 T-Bar (22" x 46"

2x4 T-Bar (22" x 46" duct)

Hinged perforated face with screwdriver access to release

951 Series Engineering/Performance Data

916 Series Submittal

Opposed Blade Volume Damper 3000-0BD-54X34 Step Down Ceiling Diffuser 2x4 T-Bar (22" x 46"h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.