The black finned coil heating element is designed for efficient air and gas heating applications, featuring a compact spiral structure that ensures excellent heat transfer and uniform temperature distribution.
Its surface is treated with a high-temperature black oxidation coating, which enhances heat radiation, improves corrosion resistance, and extends service life.
Constructed from high-quality stainless steel, copper, or nickel–iron–chromium alloy, the element maintains stable performance under continuous high-temperature operation.
The spiral fin design increases the heating area and airflow contact, making it ideal for industrial and commercial air heating systems.
| Item | Specification |
| Material | Stainless Steel / Copper / Nickel-Iron-Chromium Alloy |
| Structure Type | Spiral Coil / Finned Type |
| Tube Diameter | Φ6–14mm |
| Heating Length | 100–1500mm (Customizable) |
| Rated Voltage | 110V–480V |
| Power Range | 300W–8kW |
| Heating Wire | Ni-Cr Resistance Wire |
| Insulation Material | High-Quality Electrical Insulator |
| Surface Treatment | Black Oxidation / Anti-Corrosion Coating |
| Sheath Surface Temperature | ≤850°C |
| Service Life | ≥10,000 hours under rated conditions |
● High Heat Transfer Efficiency: Spiral design increases contact area for rapid heating.
● Enhanced Radiation: Blackened surface improves thermal radiation and energy utilization.
● Durable Construction: Resistant to oxidation, corrosion, and high temperatures.
● Uniform Heating: Stable heat distribution for reliable performance.
● Energy Efficient: Optimized structure reduces energy loss and improves thermal conversion.
● Customizable Design: Available in various sizes, voltages, and power configurations.
● Industrial and commercial air heaters
● Hot air blowers and drying ovens
● Electric furnaces and dehumidifying systems
● HVAC and air circulation heating units
● Food processing and thermal drying equipment
