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Individually welded 14 guage diffusion bars
Tool operated Opposed Blade Damper
2701 Series Submittal
12 & 14" * Mill finish
3% maximum leakage with a pressure differential 3" W
Volume Damper Low-Leak OBD 3000-0BDLL-70X12 Smoke-Fire Damper Individually welded 14 guage diffusionh3. 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$ 168.25
US$ 133.90
