Opposed Blade Volume Damper 3000-0BD-58X18 Smoke-Fire Damper 2" ADC compliant round collar

2" ADC compliant round collar with a bead for ease of installation

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *

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Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws

Lever Operated Opposed Blade Damper

Opposed Blade Volume Damper 3000-0BD-58X18 Smoke-Fire Damper 2" ADC compliant round collarh3. 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.