Volume Damper Low-Leak OBD 3000-0BDLL-64X40 Smoke-Fire Damper Blade lock to secure blades

Blade lock to secure blades once the product is activated

Uniform 360 degree discharge pattern

REVIT FILES

Louvers designed with rolled rib for maximum strength and rigidity

055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2-way air deflection on one plane * Soft White Options * 901 O - with recessed screwdriver operated opposed blade damper * 1331 and 1332 Series - stainless steel single deflection * Fractional

Volume Damper Low-Leak OBD 3000-0BDLL-64X40 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.