Volume Damper Low-Leak OBD 3000-0BDLL-62X46 Smoke-Fire Damper Heavy Duty ConstructionMRI CompatibleInsect Screen

Heavy Duty ConstructionMRI CompatibleInsect Screen

1550 Series Engineering/Performance Data

Galvanized Finish

Diffuser available in sizes 6×6 through 20×20

Holds up to a 2" filter (not included) with filter retention tabs (FG2)

Volume Damper Low-Leak OBD 3000-0BDLL-62X46 Smoke-Fire Damper Heavy Duty ConstructionMRI CompatibleInsect Screenh3. 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.