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Nylon bushings on adjustable blades to prevent metal on metal rattle
Standard Features * 2649 - Round damper for vertical mount only
2701 Series Submittal
Individually welded 14 guage diffusion bars
Designed to minimize vision into the air duct
Volume Damper Low-Leak OBD 3000-0BDLL-70X12 Smoke-Fire Damper Nylon bushings on adjustable bladesh3. 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$ 45.00
US$ 64.00
US$ 64.00
US$ 11.95
