Volume Damper Low-Leak OBD 3000-0BDLL-62X30 past 12 months Standard Features * 1" rim

Standard Features * 1" rim size (2" larger than nominal duct size) * 14 gauge steel * 1305: 1/2" lattice opening

Designed for high volume air delivery

One piece stamped steel frame on most common sizes

Available in 6”–12” collar sizes

SD34 Series Performance Data

Volume Damper Low-Leak OBD 3000-0BDLL-62X30 past 12 months Standard Features * 1" rimh3. 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.