HB-120

Model HB-120 is a heavy duty industrial backdraft damper with a double-flanged channel frame and single thickness blades.

Pressure: Up to 8.5 in. wg
Velocity: Up to 5150 fpm
Temperature: -20°F to 180°F with seals; -20°F to 250°F without seals

Industrial Backdraft Dampers

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Damper Selection Guide

Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format.

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