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HB-240

Model HB-240 industrial backdraft damper has standard extruded aluminum airfoil blades. The damper comes standard with Spark B and C construction with Spark A construction optional.

  • Pressure: Up to 13½ in. wg
  • Velocity: Up to 5150 fpm
  • Temperature: -40°F to 250°F
  • Spark B & C construction, optional Spark A construction
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