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Air Heaters

Air heaters use steam, hot water, or heat-transfer oil as the heat medium to heat air or other gaseous materials in industrial process flows. Used across food processing, chemical, feed, paper-making, and textile industries.

Dongrun industrial air heater — steam/water/oil heated

Technical characteristics

Temperature range
-60°C to 550°C
Working pressure
Atmospheric to 100 bar
Thermal design
Expansion & contraction optimized
Drainage system
Advanced preheating & drainage

Main materials

Tube plate & header
Carbon steel, stainless steel, copper, Cu-Ni alloy
Continuous finned tubes
Cu + Al fins, SS + Al fins, Ti + Al fins, SS + SS fins
Bimetallic finned tubes
Carbon steel + Al fins, stainless steel + Al fins
Elliptical finned tubes
Carbon steel (galvanized or + Al fins), stainless steel + Al fins
Laser welded finned tubes
Carbon steel + CS fins, stainless steel + SS fins

Our advantages

Application fields

Energy & Electricity
Heating boiler combustion air to improve efficiency in waste-to-energy plants.
Food & Chemical
Beverage, dairy, and food production lines; PVC and polyurethane chemical raw material production.
Paper Industry
Drying production lines in the paper industry.
Grain & Feed
Drying processes in grain and feed production lines.
Textile
Drying lines for chemical fiber and non-woven textile manufacturing.

Gallery

Air heater unit
Air heater detail view
Air heater assembly
Stainless steel air heater with flanged nozzles

Need an air heater for your process line?

Tell us your heating medium, air flow, and target temperature. A thermal engineer will reply within 48 hours.

Talk to a thermal engineer →