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Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers
For damper free area chart B click here * 2565 - Round fire door for vertical mount only
Blade lock to secure blades once the product is activated
Curved saddle with gasket provides airtight fit to spiral pipe
Opposed Blade Volume Damper 3000-0BD-54X36 Specialty Products Use for applications with roundh3. 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.
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US$ 49999.50
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US$ 30.00
