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AA-HVL Series Engineering/Performance Data
2701 Series Submittal
Countersunk mounting holes for flush appearance with color matching screws
Nylon bushings on adjustable blades to prevent metal on metal rattle
Louvers will be Parallel to the First Dimension
Opposed Blade Volume Damper 3000-0BD-50X30 Step Down Ceiling Diffuser AA-HVL Series Engineering/Performance Datah3. 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.
