Electric Air & Process Gas Heaters
Introduction
Our electric air and process gas heaters are designed for efficient heating of air, compressed air, nitrogen, exhaust gas, flue gas, corrosive gas, and other industrial process gases. They provide stable temperature control, efficient heat transfer, and reliable long-term operation for demanding industrial heating applications.
Available as standalone electric heaters or complete heating systems, our solutions can be customized according to gas type, flow rate, inlet and outlet temperature, operating pressure, material requirements, installation method, and control requirements.
Whether used for duct heating, pipeline heating, drying systems, emission treatment, chemical processing, or high-temperature gas heating, Xiangyuan provides engineered electric gas heating solutions for a wide range of industrial processes.
Why Choose Our Electric Air & Process Gas Heaters
✔ Efficient heat transfer for air and process gases
✔ Stable outlet temperature control
✔ Custom designs for flow rate, pressure, and temperature
✔ Stainless steel, high-temperature alloy, and corrosion-resistant material options
✔ Available for duct, inline, flanged, and skid-mounted configurations
✔ Integrated control cabinet and temperature monitoring options
✔ Explosion-proof design available when required
Typical Technical Parameters
The following parameters are for reference only. Final heater design can be customized according to gas medium, flow rate, inlet and outlet temperature, pressure, installation method and control requirements.
| Parameter | Typical Range / Options |
|---|---|
| Heating Medium | Air, compressed air, nitrogen, exhaust gas, flue gas, corrosive gas, and other process gases |
| Heating Power | 2 kW – 2000 kW, customized according to process requirements |
| Outlet Temperature | Ambient to 750°C for general applications; higher-temperature designs available for special gas and flue gas heating |
| Operating Pressure | Atmospheric pressure to 1.0–2.5 MPa; high-pressure designs available upon request |
| Temperature Control | PID closed-loop control, SCR/thyristor control, PLC control optional |
| Control Accuracy | Typical control accuracy up to ±1°C under suitable process conditions |
| Heater Materials | SS304, SS316L, SS310S, Incoloy 800/840, nickel-based alloys, or selected corrosion-resistant materials |
| Installation Type | Inline, duct-mounted, flanged, vertical, horizontal, or skid-mounted |
| Safety Protection | Over-temperature protection, low-flow protection, pressure monitoring, leakage protection, and interlock control |
| Explosion-Proof Option | Explosion-proof design available for hazardous-area applications |
Engineering, Safety & Documentation
Each heater can be engineered according to actual gas conditions, temperature requirements, installation layout, control method, and safety requirements.
Heating Element Selection
Heating elements and watt density can be selected according to gas flow, outlet temperature, and operating conditions.
Flow & Pressure Drop Review
Heater body, duct connection, or pipeline layout can be designed to balance heating efficiency and acceptable pressure drop.
Temperature & Safety Protection
Outlet temperature, element temperature, over-temperature protection, low-flow protection, and system interlock can be configured when required.
Project Documentation
General arrangement drawings, wiring diagrams, inspection records, and operation guidance can be provided according to project requirements.
Typical Air & Gas Heating Applications
Xiangyuan electric air and process gas heaters are used in industrial air heating, duct heating, process gas heating, drying equipment, exhaust gas treatment, and high-temperature process applications.
Industrial Air Heating
Electric air heaters for process air heating, ventilation air heating, production equipment, packaging lines, and general industrial hot air applications.
Duct Heating Systems
Electric duct heaters for air ducts, drying lines, air handling equipment, forced-air systems, and custom duct-mounted heating applications.
Process Gas Heating
Inline process gas heaters for nitrogen, compressed air, flue gas, exhaust gas, inert gas, and selected industrial gas heating requirements.
Industrial Drying
Air and gas heating solutions for dryers, ovens, coating lines, textile processing, plastic processing, and continuous manufacturing lines.
Exhaust & Flue Gas Treatment
Electric gas heaters for exhaust gas heating, flue gas heating, VOC treatment, emission control, condensation prevention, and environmental systems.
Chemical Gas Processing
Custom gas heaters for chemical process gas heating, corrosive gas heating, gas preheating, and process temperature maintenance.
Steel & Power Applications
High-temperature air and gas heaters for steel plants, power generation, air preheating, furnace support, and gas preheating systems.
Heating Element Assemblies
Finned tubular heating elements and custom assemblies for duct heaters, air heaters, ovens, dryers, and forced-air heating equipment.
Electric Air Heater
Description
Designed for efficient heating of clean air in industrial process applications. Available as standalone electric air heaters or complete heating systems with integrated controls, blowers, sensors, and temperature management components. Custom designs are available for different airflow rates, outlet temperatures, pressure conditions, and installation layouts.
Applications
Industrial ventilation systems, drying equipment, process air heating, packaging lines, material handling systems, industrial manufacturing, HVAC-related industrial systems, and air preheating applications.
Typical Design Options
Electric Inline Process Gas Heater
Description
Designed for continuous inline heating of air, nitrogen, compressed air, exhaust gas, flue gas, and other process gases in closed pipeline systems.
Also called an electric inline gas heater or electric pipeline gas heater, this unit is installed directly in the gas pipeline or process loop to heat the gas as it flows through the heating chamber.
The heater can be customized with flanged connections, thermal insulation, temperature sensors, control cabinets, pressure monitoring, and material options according to gas composition, flow rate, operating pressure, temperature rise, and installation requirements.
Applications
Pipeline gas heating, process gas preheating, nitrogen heating, compressed air heating, exhaust gas heating, flue gas heating, chemical gas heating, emission treatment systems, and industrial gas processing lines.
Typical Design Options




Electric Duct Heater
Description
Designed for heating air and process gases flowing through industrial ductwork. Available as standalone duct heaters or integrated heating units with temperature sensors, control systems, and monitoring devices. Custom designs can be provided for various duct sizes, airflow rates, outlet temperatures, and installation requirements.
Applications
Industrial ventilation, HVAC-related industrial systems, clean rooms, drying systems, process air handling units, environmental control systems, coating lines, and air preheating systems.
Typical Design Options


Electric Exhaust Gas Heater
Description
Designed for heating exhaust gas and tail gas streams in industrial emission treatment and process systems. Custom designs are available for different gas compositions, flow rates, operating temperatures, pressure levels, and corrosion conditions. The heater can help maintain process temperature, improve treatment efficiency, and support stable operation of downstream equipment.
Applications
Exhaust gas treatment systems, VOC treatment systems, tail gas heating, thermal oxidizers, waste gas combustion units, emission control systems, industrial environmental protection equipment, and chemical exhaust treatment.
Typical Design Options


Corrosion-Resistant Gas Heater
Description
Designed for heating corrosive and aggressive gases using corrosion-resistant wetted materials and custom-engineered structures. Material options can be selected according to gas composition, temperature, pressure, corrosion characteristics, and operating environment to support safe and reliable long-term operation.
Applications
Chemical processing, acid gas handling, specialty gas systems, emission treatment facilities, industrial exhaust systems, corrosive gas processes, and environmental protection equipment.
Typical Design Options
Electric Process Gas Heater
Description
Designed for heating a wide range of industrial process gases with stable temperature control, efficient heat transfer, and reliable performance. Available as standalone heaters or complete heating systems tailored to specific gas compositions, pressures, temperatures, installation methods, and control requirements.
Applications
Hydrogen systems, argon systems, helium systems, carbon dioxide applications, specialty gas processing, chemical production, industrial manufacturing, process heating lines, and high-temperature gas applications.
Typical Design Options


Electric Flue Gas Heater
Description
Designed for heating flue gas to maintain process temperature, prevent condensation, improve system stability, and support flue gas treatment performance. Available as standalone electric heaters or integrated heating packages for industrial combustion, power generation, waste heat recovery, and emission treatment systems.
Applications
Power plants, boiler flue gas systems, waste heat recovery systems, flue gas treatment systems, emission control facilities, industrial combustion processes, and desulfurization or denitrification support systems.
Typical Design Options
Ultra-High-Temperature Electric Flue Gas Heater
Description
Designed for ultra-high-temperature flue gas and process gas heating applications requiring extreme operating temperatures and demanding thermal performance. Custom-engineered designs are available with high-temperature materials, reinforced structures, insulation, temperature monitoring, and control systems to meet specialized industrial requirements.
Applications
High-temperature furnaces, advanced thermal processing, steel and metallurgy, materials processing, energy facilities, industrial combustion systems, high-temperature test systems, and specialty manufacturing processes.
Typical Design Options
Electric Compressed Air Heater
Description
Designed for heating compressed air while maintaining stable pressure, airflow, and process performance. Available as standalone electric heaters or complete compressed air heating systems customized for specific pressure ratings, flow rates, outlet temperatures, installation methods, and control requirements.
Applications
Compressed air systems, pneumatic conveying, industrial drying, packaging equipment, manufacturing processes, air preheating, instrument air systems, and process air applications.
Typical Design Options
Electric Nitrogen Gas Heater
Description
Designed for precise heating of nitrogen gas in industrial processes requiring stable temperature control, clean operation, and reliable thermal performance. Custom solutions are available for different flow rates, pressures, temperatures, material requirements, and control accuracy.
Applications
Semiconductor manufacturing, electronics production, chemical processing, inert gas systems, heat treatment processes, nitrogen purging systems, battery manufacturing, and specialty gas applications.
Typical Design Options
AIR & PROCESS GAS HEATING · PROJECT INPUT
Build the Right Air & Gas Heating Solution
Share the key process conditions below. Our engineers use them to size the heater, review pressure drop, select materials, and define the control strategy.
Process Gas
- Gas type and composition
- Normal / minimum / maximum flow rate
- Operating pressure and allowable pressure drop
Thermal Duty
- Inlet and required outlet temperature
- Required heat load or installed power
- Continuous, intermittent, or cyclic operation
Mechanical Design
- Inline, duct, vertical, horizontal, or skid-mounted
- Connection standard and available installation space
- Material, corrosion, and cleanliness requirements
Power & Control
- Voltage, phase, and frequency
- PID, SCR / thyristor, PLC, or remote control
- Hazardous-area or explosion-proof requirement
