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The 2300 series fabricated damper is constructed to bolt to ANSI drilled flanges up to 144″.
Each flange is individually bolted to adjacent flange on duct/pipe. Flange stiffeners are provided depending on damper size and service conditions. Flange faces are standard mill finish. Machined/serrated flanges can be provided as an option. Materials of construction are identical to the 2400 series. Damper can be supplied in all weldable materials.


  • Sizes up to 144″ (Larger and special sizes consult for quote)
  • Maximum Operating Temperature: Up to 850˚F standard, up to 2600˚F optional
  • Maximum Static Pressure: 50 PSIG