Variflame Burner

Proven NOx Reduction.

The VariflameTM burner delivers high-efficiency performance in gas-fired package boilers with NOx emissions as low as 20 ppm (41 mg/Nm3) at 3 percent O2. Using advanced air-fuel staging techniques, the Variflame burner can operate with or without flue gas recirculation (FGR).

  • Reduces NOx, CO, VOC and particulate emissions
  • High turndown for maximum operating flexibility
  • Reliable flame with a wide range of excess air operation
  • Simultaneous gas and oil firing capability
  • Advanced air-fuel staging and FGR for cost-efficient low NOx performance
  • Advanced oil tip design with low atomizing steam usage
  • Quick ramp rate provides a rapid response to load swings

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