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blades prevent metal on metal rattle
91 Series Submittal
Galvanized Finish
Maximum dimension 60x60 single
53% free area * 1306: 3/4" lattice opening
Opposed Blade Volume Damper 3000-0BD-68X30 Commercial blades prevent metal on metalh3. 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.
US$ 34.99
US$ 30.00
US$ 20.00
