A Steam Coil, Industrial Steam Air Heater is an indirect air heating system that uses steam as the heating medium to raise the temperature of process air flowing across finned or bare tube coils. Heat transfer occurs without direct contact between steam and air, ensuring clean, controlled, and uniform heating. Steam heaters are widely used in industrial drying, ventilation, and process air systems where precise temperature control, safety, and energy efficiency are required.
Used For
Heating process air for dryers and ovens
Pre-heating air in drying and ventilation systems
Indirect air heating for heat-sensitive processes
Temperature control in industrial HVAC applications
Integration with steam boiler and utility systems
Industrial Steam Air Heater
For accurate thermal design and selection of a Steam Coil Air Heater, the following information is required:
Air-Side Parameters
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Required air flow rate (m³/hr)
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Inlet air temperature (°C)
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Required outlet air temperature (°C)
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Air pressure drop allowance
Steam-Side Parameters
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Steam pressure and temperature
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Steam quality (saturated / superheated)
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Condensate handling method
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Available steam flow rate
Thermal Performance Data
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Required heating duty (kcal/hr or kW)
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Log mean temperature difference (LMTD)
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Overall heat transfer coefficient
Mechanical & Construction Data
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Material of construction (CS / SS)
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Tube diameter and thickness
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Fin type and spacing (if applicable)
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Design pressure and temperature
Utilities & Integration Data
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Steam trap and condensate return arrangement
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Control instrumentation requirement
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Space and ducting constraints
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Integration with blowers and control panels
Purpose of This Data
This information is used to determine coil surface area, steam flow requirement, air-side pressure drop, control strategy, and mechanical construction to ensure efficient, safe, and reliable air heating performance.
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