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superheated water boiler / fuel oil / biogas / natural gas



  • Product:

    superheated water

  • Power source:

    fuel oil, natural gas, biogas

  • Firebox:

    fire tube

  • Other characteristics:

    horizontal, three-pass

  • Power:

    Min.: 38 kW

    Max.: 3,793 kW

  • Pressure:

    Min.: 6 bar (87.02 psi)

    Max.: 16 bar (232.06 psi)


The RLAS boiler is a Superheated water boiler that is horizontal, fire-tube with three passes and smoke chamber. The chamber is completely cooled by boiler water.
With thermal power from 38 kW to 3.793 kW Starting at 6 to 16 Bar in standard boilers, and temperatures from 110 to 220 ºC. These boilers use liquid or gaseous fuels.

It's main summed up characteristics are:
Low heat loss from radiation thanks to the insulation of great thickness and high density as well as the front and back door insulation.

• Good accessibility for maintenance and checks due to the front door with access to the entire furnace and the front tubular plate. Furthermore, there is total access to the rear tubular plate and smoke box via the rear door.

• The furnace design and tubular distribution make the RLAS a boiler with a low thermal load(less than 1.30 MW/m3). Thanks to the flame inversion and section retainers with a spiral effect, combustion gives off very little pollution.

• Internal recirculation of water and low resistance to the passage of smoke is guaranteed thanks to the design, smoke tube section and the separation between them.

• The RLAS boiler, according to the pressure and fuel can reach a performance of 91%.