HOT AIR GENERATORS

Kalfrisa's hot air generators are a modular, rapid and economical solution for heating large spaces. They incorporate an indirect heat exchanger, separating the combustion gas circuit from the clean air circuit.

They are a quick response industrial heating system, that can be installed directly in the space to be heated discharging air through a plenum or in annexed spaces through ducts installation.

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CONSTRUCTION CHARACTERISTIC:

  • Combustion chamber in high performance AISI 430 stainless Steel with 3 pass smoke combustion circuit.
  • Bag type Heat Exchanger built from AISI 430 stainless steel.
  • Stainless Steel outlet Chimney.
    Ventilation section equipped with one or more double inlet centrifugal fans, balanced and with a low rotation speed.
  • Frame built from high resistance aluminium profile.
  • Detachable enclosures in galvanised steel panels. Kiln painted with epoxy Paint on the exterior part.
  • Thermal insulation with air and fibreglass chamber.
  • Easy maintenance.
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Model LT-110 LT-175 LT-230 LT-270 LT-350 LT-400 LT-550 LT-750
Rated power kW 110 175 230 260 340 410 550 750
Useful power kW 93 145 197 232 290 348 465 640
Airflow m³/h 6.150 9.500 12.300 14.300 19.000 21.500 32.800 40.000
Available Pressure Pa 220 200 220 220 200 160 260 160
Fans 1 1 2 2 2 2 2 2
Engine n x kW 1 x 1,5 1 x 2,2 2 x 1,1 2 x 1,5 2 x 2,2 2 x 3,0 2 x 4,0 2 x 5,5
Chimney ø mm 175 250 300 300 300 300 350 350
Weight kg 305 525 675 690 755 780 1.630 1.790
Voltage / Voltage F / V III – 230/400
Fields of application
  • Heating of industrial warehouses
  • Heating of sports centres
  • Heating of religious buildings
  • Ambient temperature control in industrial processes

Criteria for use

  • Replacement of units in basements. Can be assembled in-situ.
  • Permanent and temporary installations.
  • Possibility of high level of renewal of exterior air.
  • Quick and easy installation.
AIR HEATING

Divisions