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Adjustable directional dampers with shut-off
Reinforced welded core and extra supports for heavy duty application
AA-HVL Series Engineering/Performance Data
w/ Steel Opposed Blade Damper
RS34 Series Submittal
Opposed Blade Volume Damper 3000-0BD-56X44 Step Down Ceiling Diffuser Adjustable directional dampers with shut-offh3. 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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