Opposed Blade Volume Damper 3000-0BD-72X68 T-Bar Eighteen air patterns

Eighteen air patterns

* 2650 - Round spring actuated (6) damper for vertical or horizontal mount

Modern step-down design with 4-way air diffusion

Front blades are parallel to the shortest dimension

Back blades are parallel to the longest dimension

Opposed Blade Volume Damper 3000-0BD-72X68 T-Bar Eighteen air patternsh3. 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.