Volume Damper Low-Leak OBD 3000-0BDLL-56X20 Specialty Products 57% free area * 1307:

57% free area * 1307: 13/16" lattice opening

w/ Tool Operated Opposed Blade Damper

with 75% free area Options 14 GA 304 SS Construction 12 GA (

Performance Data

REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection

Volume Damper Low-Leak OBD 3000-0BDLL-56X20 Specialty Products 57% free area * 1307:h3. 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.