The U-shaped finned heating tube is specially designed for efficient heat transfer and extended service life. Featuring a U-shaped configuration that allows compact installation and uniform heat distribution. The external fins significantly increase the heat dissipation area, enhancing thermal efficiency when heating air or gases.
Inside the tube, electric current flows through a high-resistance heating wire, generating heat that is conducted through high-purity magnesium oxide insulation powder to the metal sheath surface. The added fins then efficiently transfer this heat to the surrounding medium—such as air, liquid, or solid components—ensuring rapid and uniform heating.
This design offers excellent durability, energy efficiency, and stable performance under continuous operation, making it ideal for industrial dryers, air heaters, ovens, and other thermal processing equipment.
| Item | Specification |
| Material | Seamless Stainless Steel / Copper / Incoloy (Customizable) |
| Tube Diameter | Φ6–20mm |
| Length | 100–3000mm (Customizable) |
| Sheath Material Options | SUS304, SUS321, SUS316L, SUS310S, Incoloy 800/840 |
| Heating Wire | Ni-Cr resistance wire |
| Insulation | High-purity magnesium oxide powder |
| Fin Material | Aluminum or stainless steel fins (custom spacing and thickness) |
| Lead Wire | Standard 200mm (Customizable) |
| Operating Temperature | Up to 800–900°C |
| Input Voltage & Power | Customizable according to requirements |
| Installation Method | Direct insertion, threaded, flange-mounted, or customized |
| Service Life | ≥10,000 hours under rated conditions |
● High Thermal Efficiency: Finned design greatly increases the heat dissipation area, ensuring faster heating and improved energy utilization.
● Uniform Heat Distribution: U-shaped configuration provides consistent temperature across the heating zone, ideal for air and gas heating.
● Durable Construction: Made with stainless steel, copper, or Incoloy sheath for excellent high-temperature and corrosion resistance.
● Long Service Life: Engineered for ≥10,000 hours under rated conditions with stable, reliable operation.
● Customizable Design: Tube length, fin spacing, voltage, and power can be tailored to meet specific system requirements.
● Stable Performance: High mechanical strength with superior vibration and impact resistance, suitable for industrial environments.
● Easy Installation: Compatible with direct insertion, threaded, or flange-mounted configurations.
● Air heaters, duct heaters, and drying ovens
● Industrial dryers and dehumidification systems
● Air handling units (AHUs) and HVAC equipment
● Food processing, baking, and packaging machinery
● Petrochemical and power plant heating systems
● Paint curing, powder coating, and surface treatment lines
● Industrial applications requiring efficient air or gas heating
