Aluminum Finned Heating Tubes: High-Efficiency Air Thermal Transfer






Aluminum Finned Heating Tubes: High-Efficiency Air Thermal Transfer
| Technical Specifications | Range / Typical Values |
| Voltage Range | 100V – 240V |
| Thermal Efficiency | >30% higher than steel-finned tubes |
| Resistance Range | 30Ω – 400Ω |
| Current Range | 1A – 15A |
| Fin Diameters | 25mm, 35mm, 50mm options |
Maximum Heat Dissipation: The aluminum fins act as a high-conductivity radiator, rapidly stripping heat away from the internal element and transferring it into the moving air stream.
Lower Sheath Temperatures: Because the fins dissipate heat so effectively, the internal heating element runs cooler than a standard “bare” tube at the same wattage, preventing element burnout and “red-heat” hazards.
Enhanced Energy Efficiency: Achieving the desired air temperature requires less time and energy due to the optimized thermal contact between the fins and the passing air.
Corrosion & Lightweight Design: Aluminum fins provide excellent resistance to atmospheric corrosion and add minimal weight to the system, making them ideal for HVAC and portable equipment.
| Feature | Standard Finned Tube | High-Output Finned Tube |
| Core Tube Material | Stainless Steel 304/316 | Incoloy® 800 / 840 |
| Fin Material | Aluminum (Aluminized Steel optional) | High-Grade Aluminum Alloy |
| Fin Geometry | Spiral Wound or Rectangular | Continuous Corrugated or Square |
| Max Air Velocity | 200 – 1200 FPM | High-Velocity Forced Air |
| Max Sheath Temp | 850°F (455°C) | Up to 1000°F (538°C) |
Forced Air Heating: Industrial duct heaters, space heaters, and HVAC reheat coils.
Drying & Curing Ovens: Textile drying, paint curing, and food dehydration where uniform air temperature is critical.
Load Banks: Efficiently dissipating electrical energy for generator testing and battery discharge.
Dehumidification: Preventing moisture buildup in large electrical motor housings and control cabinets.
Heat Exchangers: Air-to-liquid or air-to-air heat recovery systems.
At Runkel, we don’t just manufacture heating tubes; we provide thermal solutions. Our core strength lies in our unmatched customization capabilities.
Whether you are a researcher needing 1–2 prototype samples for a new project, or a maintenance manager looking to replace a discontinued or aging heating element in your existing machinery, we deliver perfect-fit solutions with no minimum order hurdles.
“From 1 unit to 1,000—we treat every prototype with production-grade precision.”
Engineering Review: Our team verifies the power density and material compatibility for your application.
Agile Production: Your custom order enters our flexible production line immediately.
Quality Assurance: Every unit undergoes rigorous insulation and leakage current testing before shipping.