Opposed Blade Volume Damper 3000-0BD-68X22 Commercial 3 or 4 way patterns

3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"

Standard Features * 45-degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP920FG-4 - holds 4" deep air filter * 920 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product

Performance Data With Opposed Blade Damper

102 P - two way

SD34 Series Performance Data

Opposed Blade Volume Damper 3000-0BD-68X22 Commercial 3 or 4 way patternsh3. 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.