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Installation Instructions * UL approved installation instructions
Damper manufactured from corrosion tested galvanized mild steel (G-90)
Allows for 2-way airflow adjustment
Fractional
Opposed Blade Volume Damper 3000-0BD-70X56 Accessories Installation Instructions * UL approvedh3. 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.
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