Opposed Blade Volume Damper 3000-0BD-52X50 Specialty Products Access door with 1-3/8" deep

Access door with 1-3/8" deep steel roll formed frame

remove the two center cones as a unit and reposition the six screws

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Opposed Blade Volume Damper 3000-0BD-52X50 Specialty Products Access door with 1-3/8" deeph3. 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.