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Modern step-down design with 4-way air diffusion
Sleeve Submittal
Individually welded 14 guage diffusion bars
SD34 Submittal Drawing
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Opposed Blade Volume Damper 3000-0BD-42X40 Specialty Products Modern step-down design with 4-wayh3. 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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