Opposed Blade Volume Damper 3000-0BD-54X32 Smoke-Fire Damper Non-standard size collar (available in

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

Step down core designed for 4-way uniform air distribution

CB10 Engineering/Performance Data

Allows for 2-way airflow

Please contact us for a quote on optional Stainless Steel Construction or Fractional Sizes

Opposed Blade Volume Damper 3000-0BD-54X32 Smoke-Fire Damper Non-standard size collar (available inh3. 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.