Parallel Blade Volume Damper 3000P-28X26 Accessories Extruded aluminum fixed bar blades

Extruded aluminum fixed bar blades at 45°

parallel to longest dimension

Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed

Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size

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"

Parallel Blade Volume Damper 3000P-28X26 Accessories Extruded aluminum fixed bar bladesh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control