Volume Damper Low-Leak OBD 3000-0BDLL-60X28 Specialty Products Options * MAR - Mounting

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

Available 4" thru 40" round

Standard Features * 2533 - Square or rectangular for vertical mount only

Submittal and Performance Data

Heavy Duty Construction

Volume Damper Low-Leak OBD 3000-0BDLL-60X28 Specialty Products Options * MAR - Mountingh3. 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.