Model HPR-230 industrial pressure relief damper has a double flanged channel frame and streamlined airfoil blades. The damper protects HVAC systems and industrial processes by relieving air pressure.

  • Blade Type: Fabricated Airfoil
  • Pressure Relief: ¼ in. wg to 4 in. wg
  • Back Pressure: 6 - 13½ in. wg
  • Velocity: Up to 5150 fpm
  • Temperature: -40°F to 250°F