Opposed Blade Volume Damper 3000-0BD-68X52 past 12 months Designed for ceiling or sidewall

Designed for ceiling or sidewall applications

with 75% free area

Interlocking steel roll-formed blades

Nylon bushings on adjustable blades prevent metal on metal rattle

Maximum single section size 24"x24"

Opposed Blade Volume Damper 3000-0BD-68X52 past 12 months Designed for ceiling or sidewallh3. 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.