Volume Damper Low-Leak OBD 3000-0BDLL-68X60 past 12 months 425 Series Submittal

425 Series Submittal

916 Series Submittal

Standard Features * 2561 - Square or rectangular fire door for vertical mount only

To adjust diffuser

Volume Damper Low-Leak OBD 3000-0BDLL-68X60 past 12 months 425 Series Submittalh3. 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.