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Excess air burners




Excess air burners are intermediate flame length, nozzle mixing types designed for 800% excess air. A unique design and stepped tunnel burner blocks produce excellent flame stability at all firing rates. Excess air systems use a constant air flow and ‚Äúon ratio” combustion at high fire.


Product Details

  • Mixer: cast iron G25
  • Plate: cast iron G25
  • Air tube: AISI304
  • Pre-heated air: up to 450°C
  • Suitable for different types of gas: CH4/LPG/propane/etc.
  • Standard refractory block, max. temp.: 1,750°C
  • Capacity range: 16 to 1,700 kW
  • Excess air for all models: over 800%
  • Excellent flame stability: excess air excess fuel on ratio firing
  • Low NOx level


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We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.



  • Datasheet

    185.51 KB | pdf


Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

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