KL Finned Tubes
KL Finned Tubes
KL finned tube is a high-performance finned tube for heat exchangers, designed to enhance heat transfer efficiency in industrial applications. Manufactured through a knurling and wrapping process, the aluminum fin tightly bonds to the base tube, ensuring strong mechanical stability and reliable thermal conductivity.
Compared with standard L type finned tubes, KL finned tubes offer improved fin adhesion and better durability under working conditions. The extended fin surface area increases heat dissipation, making it an ideal solution for industrial heat exchangers, air coolers, and HVAC systems.
As a cost-effective industrial finned tube, KL finned tubes are widely used in power plants, petrochemical industry, and cooling equipment. With customizable materials such as carbon steel, stainless steel, and copper, this heat exchanger tube meets diverse project requirements.
Product details form
| Product Specifications – KL Finned Tube | |
| Item | Specification |
| Product Name | KL Finned Tube |
| Base Tube Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Fin Material | Aluminum (Common), Copper (Optional) |
| Fin Height | 8 – 16 mm (Customizable) |
| Fin Thickness | 0.3 – 0.6 mm |
| Fin Pitch (Fin Density) | 2 – 10 FPI (Fins Per Inch) |
| Outer Diameter (OD) | 16 mm – 60 mm |
| Tube Length | Up to 12 meters (Custom Length Available) |
| Fin Type | KL Type Wrapped Fin (Knurled Fin) |
| Manufacturing Method | Fin Wrapping + Mechanical Knurling (KL Process) |
| Bonding Type | Mechanical Bond (Enhanced Contact via Knurling) |
| Surface Treatment | Aluminum Mill Finish / Anodized / Anti-corrosion Coating |
| Heat Transfer Efficiency | Significantly increased compared to plain tubes (5–10 times surface area) |
| Operating Temperature | Up to 300–400°C (Depending on material and bonding) |
| Application | Air Coolers, Heat Exchangers, Boilers, HVAC Systems, Petrochemical Industry |
| Customization | Available (Material, Tube Size, Fin Pitch, Length, Surface Treatment) |
WHY CHOOSE US?
- High Quality Manufacturing:Advanced knurling process ensures strong bonding and stable heat transfer performance.
- Custom Finned Tube Solutions:Support custom size, material, and fin design for different heat exchanger needs.
- Competitive Price:Factory direct supply helps reduce cost while maintaining high quality.
- Fast Response & Delivery: Quick quotation and flexible production for urgent and bulk orders.
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ProductION PROCESS
FAQ
1. What is a KL finned tube?
A KL finned tube is a mechanically bonded finned tube used in heat exchangers to improve heat transfer efficiency.
2. How is a KL finned tube manufactured?
It is produced by knurling the base tube and tightly wrapping an aluminum fin for strong bonding.
3. What are the advantages of KL finned tubes?
KL finned tubes offer high heat transfer efficiency, strong fin adhesion, and cost-effective performance.
4. What materials are available?
Common options include carbon steel, stainless steel, and copper tubes with aluminum fins.
5. Where are KL finned tubes used?
They are widely used in industrial heat exchangers, air coolers, HVAC systems, and power plants.




