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.

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Product Specifications – KL Finned Tube 
ItemSpecification
Product NameKL Finned Tube
Base Tube MaterialCarbon Steel, Stainless Steel, Alloy Steel
Fin MaterialAluminum (Common), Copper (Optional)
Fin Height8 – 16 mm (Customizable)
Fin Thickness0.3 – 0.6 mm
Fin Pitch (Fin Density)2 – 10 FPI (Fins Per Inch)
Outer Diameter (OD)16 mm – 60 mm
Tube LengthUp to 12 meters (Custom Length Available)
Fin TypeKL Type Wrapped Fin (Knurled Fin)
Manufacturing MethodFin Wrapping + Mechanical Knurling (KL Process)
Bonding TypeMechanical Bond (Enhanced Contact via Knurling)
Surface TreatmentAluminum Mill Finish / Anodized / Anti-corrosion Coating
Heat Transfer EfficiencySignificantly increased compared to plain tubes (5–10 times surface area)
Operating TemperatureUp to 300–400°C (Depending on material and bonding)
ApplicationAir Coolers, Heat Exchangers, Boilers, HVAC Systems, Petrochemical Industry
CustomizationAvailable (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

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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.

It is produced by knurling the base tube and tightly wrapping an aluminum fin for strong bonding.

 

 

KL finned tubes offer high heat transfer efficiency, strong fin adhesion, and cost-effective performance.

Common options include carbon steel, stainless steel, and copper tubes with aluminum fins.

 

They are widely used in industrial heat exchangers, air coolers, HVAC systems, and power plants.

 

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