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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Hinged removable door with hinges parallel to the longest dimension
Installation Instructions * UL approved installation instructions
Vertical mount only
SD34 Series Performance Data
available 4" through 40" round (2549)
Opposed Blade Volume Damper 3000-0BD-40X12 Smoke-Fire Damper Hinged removable door with hingesh3. 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.
