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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Opposed Blade Damper standard on 4" widths
For damper free area chart B click here * 2565 - Round fire door for vertical mount only
Plated Metal or Wood Finish available on this product
Reinforced welded core and extra supports for heavy duty application
Opposed Blade Volume Damper 3000-0BD-44X34 T-Bar Opposed Blade Damper standard onh3. 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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