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The Best Burner Value In The Industry

Manufacturer of Commercial and Industrial  Burners

Webster Engineering & Manufacturing Co., L.L.C.

Phone: 620-221-7464 Fax: 620-221-9447



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Sales: sales@webster-engineering.com      Service: service@webster-engineering.com    

Parts: mrathbun@webster-engineering.com  webmaster: lcassiday@webster-engineering.com   

Webster Engineering,  619 Industrial Rd, Winfield, KS. 67156

Your Ultra Low NOx Solution!


Get the most out of your low NOx application by using our High Efficiency, Dual-Fuel capable, Rapid Mix Burner* (RMB) technology.  The RMB has been a dependable solution for nearly 20 years in the ultra low NOx market place.


Proven on hundreds of applications, the rapid mix burner technology provides reliable ultra low emissions.  Combined with the well established performance of the Webster HD series burner platform, and the unique ability to fire gas or oil without any modifications to the burner, the HDRMB is the perfect choice for your ultra low NOx application.


The RMB technology separates itself from the other technologies commercially available with its low excess air design and dual fuel firing capabilities.  The HDRMB utilizes Flue Gas Recirculation (FGR)  to achieve low excess air requirements, typically operating at  O2 stack levels between 3 – 4%.  Compared to other designs that utilize a surface combustion head operating with 8 – 10% O2, the RMB design can improve boiler efficiency 3 – 3 ½% by operating at lower excess air levels and reducing stack losses. 


The HDRMB utilizes a conventional firing head,  which is NOT susceptible to thermal shock and does NOT require an expensive air filter.  The dual fuel design allows for oil firing without changing the firing head or other required mechanical modifications.  This reduces the maintenance requirements and improves reliability when switching between gas and oil operation. 


The inherently low excess air operation and the dual fuel capability ensures fuel and energy will not be wasted and your equipment will run efficiently.  This allows Webster customers to enjoy the lowest energy costs, lowest maintenance costs and fastest payback on their investment.


Please contact your local Webster representative for a quotation.


Emissions:  As low as 9ppm NOx and 50ppm CO


Capacities: 125 to 2,500HP


Applications:  Firetube and Watertube boilers, and Thermal Heaters


Fuels Burned:  Natural, LP and Bio Gases, No. 2, Low Sulfur Diesel, or Amber Oil


*United States of America Patent Numbers 5,407,347 and 5,470,224


Click HERE for an HDRMB brochure


Click HERE for Size & Dimensional Data Sheets


Click HERE for information on High Efficiency, Low Excess Air Performance on the HDRMB


Click HERE for Start up Manual