Opposed Blade Volume Damper 3000-0BD-64X30 Smoke-Fire Damper Holds up to a 2”

Holds up to a 2” filter (not included)

For damper free area chart B click here * 2665 - Round fire door for vertical mount only

SD52 Submittal Drawing

Allows for 2-way airflow

SD34 Series Performance Data

Opposed Blade Volume Damper 3000-0BD-64X30 Smoke-Fire Damper Holds up to a 2”h3. 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.