Opposed Blade Volume Damper 3000-0BD-46X16 Step Down Ceiling Diffuser For damper free area chart

For damper free area chart A click here * 2663 - Out-of-Airstream fire door

with 54% free area

REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection

Standard Features * Solid aluminum rotatable body * Excellent for spot heating and cooling difficult areas * Can move conditioned air from an inaccessible place to the work environment * Precision adjustable aluminum air flow exit plate * Double felt flange body seal to prevent air leakage * Closed cell neoprene felt mounting gasket * Easy adjustment of air flow by turn of a knob * Maximum rotation angle 33 to 42 in all directions * Corrosion resistant anodized finish Options: * 1205 - spot diffuser in panel mount

Opposed Blade Volume Damper 3000-0BD-46X16 Step Down Ceiling Diffuser For damper free area charth3. 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.