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LX Series Model

BEECO and Miura Boiler are known world-wide for the commitment to protecting the environment as well as innovative and efficient boiler designs. Our low NOx steam and hot water boilers meet and exceed current and proposed regulations for nitrogen oxide emissions levels, as low as 12ppm NOx at 3%, corrected O2.

  • Gas fired: Natural Gas or Propane
  • High and low pressure steam options available (300 MAWP, 250 MAWP, 170 MAWP or 15 MAWP)
  • Hot water boilers are available depending on models
  • Compact, an LX 200 Boiler can fit through a standard doorway
  • Natrually low NOx (nitrogen oxides) rating as low as: 12ppm depending on model

The LX Series design consists of rows of vertical tubes sandwiched between two rectangular headers. Both headers are encased in a castable refractory with only the tubes exposed to flame and/or combustion gases. The upper header is attached to the lower header only by the tubes; as the tubes expand and contract, the headers float up and down accordingly.

This ’floating header’ concept greatly reduces stress and allows for the use of cold feedwater without the fear of significant thermal shock. The ’leaky tube’ problems associated with firetube and bent watertube designs have been eliminated.

Low NOx “No Furnace” Boiler
Cool, soft flame wraps around the tubes from a flame spread over a large surface area. This naturally controlled burn results in unbelievably low NOx, compact size and high efficiency.

Full Steam Output Within 5 Minutes
Floating headers mean fast start-up. MIURA boilers produce fast steam in 5 minutes or less from a cold start-up. Standard firetubes require from 1 to 1.5 hour start-up times. Our unique design yields significant time and fuel savings.

Smaller is Better
The LX Series boilers occupy 50% less floor space than typical firetubes, and do not require tube pull space. Double capacity in the same space, or reduce space requirements by half for new construction. MIURA’s compact design means much smaller radiation losses and larger fuel savings.

Early Warning Scale Monitor
Scale is a problem all boilers have to deal with. Scale forms when boiler feedwater is not properly treated. Advanced scale formation acts as an insulator; only an eggshell thickness of scale results in a 10% efficiency loss, higher fuel bills and possible damage to the boiler system.

As standard equipment, all LX models are equipped with a thermocouple attached directly to a tube. Should scale begin to form, the boiler will alert the operator - allowing the operator to trace and repair the source of the water hardness. The scale can be removed to restore the boiler to its original efficiencies - saving tens of thousands of dollars in wasted fuel and repair bills.

Unbeatable In-Service Efficiencies
Our computer-aided design results in optimal heating surface transfer with minimal water content for fuel-to-steam efficiencies of 85%. Typical firetube designs can deliver up to 83% fuel-to-steam efficiencies. However, in actual use, ours average 10 to 40% fuel savings over standard firetube designs.

How does a 2% difference in fuel-to-steam efficiencies translate into a 10 to 40% ACTUAL FUEL SAVINGS? Contact us for details.


Item # Item Name Utilization Horsepower Maximum Pressure Equivalent Output Heat Output
LX(L)-50 SG MIURA LX Gas/Low NOx Series - Low and High Pressure Steam Boiler 50 HP 170 psig MAWP 1,725 lb/hr 1,674,000 BTU/hr
LX(L)-100 SG MIURA LX Gas/Low NOx Series - Low and High Pressure Steam Boiler 100 HP 170 psig MAWP 3,450 lb/hr 3,348,000 BTU/hr
LX-150 SG MIURA LX Gas/Low NOx Series - Low and High Pressure Steam Boiler 150 HP 170 psig MAWP 5,175 lb/hr 5,022,000 BTU/hr
LX(L)-200 SG MIURA LX Gas/Low NOx Series - Low and High Pressure Steam Boiler 200 HP 170 psig MAWP 6,900 lb/hr 6,695,000 BTU/hr
LX-300SG MIURA LX Gas/Low NOx Series - Low and High Pressure Steam Boiler 300 HP 170 psig MAWP 10,350 lb/hr 10,050,000 BTU/hr
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