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.

HB-230

The HB-230 is a heavy duty industrial backdraft damper. It has a double flanged channel frame and fabricated airfoil blades.

Pressure: Up to 13½ in. wg (3.4 kPa)
Velocity: Up to 5150 fpm (26.2 m/s)
Temperature: -20°F to 250°F (-29°C to 121°C)

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