Opposed Blade Volume Damper 3000-0BD-58X26 past 12 months Single deflection transition box mount

Single deflection transition box mount spiral pipe grille

2750 Install Instructions

Opposed Blade Damper standard on 4" widths

700 CB20 - two way

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Opposed Blade Volume Damper 3000-0BD-58X26 past 12 months Single deflection transition box mounth3. 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.