Opposed Blade Volume Damper 3000-0BD-50X38 Accessories Square to round transition collar

Square to round transition collar

Adjustable blades oriented for 3 or 4-way air flow pattern

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Steel multi-shutter damper * Soft White Options * 845 O - steel lever operated opposed blade damper * Tamper proof screws * Standard Color

Standard Features * Individually adjustable curved blade T-Bar diffuser * Core is constructed of

Opposed Blade Volume Damper 3000-0BD-50X38 Accessories Square to round transition collarh3. 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.