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HPR-330

The HPR-330 is an industrial pressure relief damper with double-flanged channel frame. It is designed to protect HVAC systems and industrial processes by relieving air pressure.

  • Blade Type: Fabricated Airfoil
  • Pressure Relief: ½ in. wg to 6 in. wg (.012 - 1.5 kPa)
  • Back Pressure: 13½ - 20 in. wg (3.4 - 5 kPa)
  • Velocity: Up to 6400 fpm (32.5 m/s)
  • Temperature: -40°F to 250°F (-40 to 121°C)
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