Webster Combustion Site Logo
HDR Series Burner

HDR-RF Burner sizes: standard emissions
HDRX-RF Burner sizes: low emissions

High Efficiency, High Turndown Low NOx Burner

Firing Rates up to 200,000,000 Btu/Hr
up to 2,600 BHP
46040 to 200,000 MBH max firing rate (std)

HDR(X)-RF burners increase the efficiency of Watertube and Firetube Boilers.

Webster continues its leadership in combustion innovation with upper-range combustion equipment. The series HDR(X)-RF takes the lead in meeting the demands of today’s customers. Webster continues to expand the size offering in the firetube line. The HDR(X)-RF burner has led the way to larger firetube boiler sizes, up to 2,600 BHP.

The versatility and flexibility of Webster’s Series HDR(X)-RF burners save time and money. Our HDR(X)-RF readily adapts to most available boiler and furnace configurations. HDR(X)-RF can be installed vertically, horizontally, left or right to accommodate even the most unique on-site condition. The HDR(X)-RF series combustion head is capable of burning a wide range of fuels from Natural, LP and low BTU gas to all commercially available grades of fuel oil and qualified waste oil, either separately or in combination.

HDR(X)-RF series are full register burners for both Firetube and Watertube boiler applications. This Series provides high turndown (12:1 on gas) and flame shaping to fit different furnace configurations. Offers flexible mounting styles including remote fan. Also available to meet many different low emission applications.

A wide choice of burner arrangements is available with the HDR(X)-RF package burner system. Webster’s engineering team will assist you in designing the best arrangement for your application. Flexibility in design and assembly means that the HDR-RF can be applied to a wide variety of installations, including firetube boilers, package watertube boilers, field erected boilers, dryers and heaters.

Contact an authorized Webster representative to discuss how the HDR-RF Series can meet your application needs.

Flame Precision
  • Excellent flame stability for reliable low NOx performance
  • Low excess air for extremely efficient operation
  • Fully modulating register for flame shaping
  • High turndown rates
    • Up to 10 to 1 on gas firing
    • Up to 8 to 1 on oil firing
  • High combustion efficiency
Versatility
  • Fire multiple fuels
    • Natural, LP or digester gas
    • No. 2 through No. 6 oils
  • Configurable blower housing to match application requirements
  • Field-proven ignition system with an extremely stable pilot
  • High efficiency combustion air fans to optimize electrical needs
  • IFGR system with a shutoff valve in the flue gas recirculation duct to prevent flue gas from reentering the burner during the purge cycle
  • Access doors for easy service of firing head, fan and FGR duct for maintenance
  • Remote mounted combustion air fan and motor
  • Fire all types of boilers: Scotch-Marine Firetube, Watertube, Flextube, Firebox, as well as heaters and other vessels