Opposed Blade Volume Damper 3000-0BD-70X18 Smoke-Fire Damper Blade lock to secure blades

Blade lock to secure blades once the product is activated

375 Series Submittal

Heavy Duty Construction

Submittal and Performance Data

Opposed Blade Volume Damper 3000-0BD-70X18 Smoke-Fire Damper Blade lock to secure bladesh3. 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.