Opposed Blade Volume Damper 3000-0BD-58X18 Smoke-Fire Damper Lever Operated Opposed Blade Damper

Lever Operated Opposed Blade Damper

1x2 T-Bar (10" x 22" duct)

1/4” crossbars

Non-standard size collar (available in 6" through 20")

Opposed Blade Volume Damper 3000-0BD-58X18 Smoke-Fire Damper Lever Operated Opposed Blade Damperh3. 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.