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Air duct heaters used in forced air applications provide space-specific heating or complement existing heating systems. Finnish tube air heater elements are made like basic tube elements with the addition of continuous spiral fins, 4-5 inch per inch furnaces wrapped in sheaths. The fins greatly increase the surface area and allow faster transfer to the air, thus lowering the surface element temperature. Air duct heaters provide fast heat transfer for natural convection. Space heating in air heating systems in the industrial process.
Characteristics of Air duct heaters
Tube Diameter: Φ6mm-Φ30mm
Materiale: SS304, SS316, SS321 and INCOLOY800 etc
Materiale isolante: MgO
Materiale conduttore: Filo di resistenza al nichelcromo
Wattage Density: High/Middle/Low (5-25l/cm2)
Use of Air duct heaters:
Air duct type electric heaters are used in industrial ducts, air-conditioning ducts and various industries to heat the air to increase the temperature of the output air. Generally, they are inserted in the transverse openings of the ducts.
The working temperature of the air duct is divided into low temperature, medium temperature and high temperature; according to the wind speed in the duct, it is divided into low wind speed, medium wind speed and high wind speed. It is used for drying, baking, wax melting and sterilization in industrial and mining enterprises, laboratories, scientific research units, ecc.
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