E-Catalogue

Knurled L Fin Tube

logo Table of Content

knurled-l-fin

KL fin, also known as knurled L fin, is a finned tube made using both Wrap-On and Embedded techniques. The fins are crafted from metal strips formed into an L shape. These fins are helically wound onto the tube under tension, ensuring a tight fit around the tube.

During the process, the base tube is knurled, and the foot of the fin is securely knurled into the grooves of the tube. This results in a strong bond, enhancing thermal efficiency. The fins are placed so closely together that one fin touches the next, eliminating gaps and offering protection against corrosion.

Similar to L fins, KL fins are attached at both ends to prevent unwinding. These finned tubes are used in applications involving metals and can handle temperatures up to 320°C (608°F).

Knurled L Fin Tubes, also called KL finned tubes, feature fins wrapped around the tube and secured at both ends. The "KL" stands for "knurled."

logo Key Features

  • Manufacturing Process: The fins are made from thin metal strips, shaped into an L-shaped foot. The tube surface is knurled, and the fin foot is tightly knurled into the base tube, creating a secure bond that enhances heat transfer.
  • Applications: KL fin tubes are widely used in industries such as chemical, petrochemical, steel, food processing, and power plants.
  • Heat Transfer: The fins provide efficient pathways to dissipate heat from the fluid inside the tube to the external environment.
  • Operating Temperature: KL fin tubes can operate at temperatures up to 260°C, making them suitable for high-temperature applications.

logo Specifications for KL Fin Tubes

Fin Type KL TYPE
Fin Material Aluminum, Copper, Steel
Fin Height INCH 1/4 ~ 1
MM 6.35 ~ 25.4
Tube Material Carbon Steel

Stainless Steel

Copper
Tube Size(OD) INCH 5/8 ~ 2
MM 15.88 ~ 50.80
Tube Length FEET ~ 60
MTR. ~ 18
Minimum Tube Wall Thickness FEET 0.072
MTR. 1.83
FPI 4 ~ 13

logo Type KL Finned Tubes

TYPE NAME BARE TUBE MATERIAL FIN TUBE MATERIAL BARE TUBE DIAMETER(MM) FIN SPECIFICATION(MM)
FIN PITCH FIN HEIGHT FIN THICK
WOUND L/KL/LL TYPE FIN TUBE CARBON STEEL, COPPER, STAINLESS STEEL, ALLOY COPPER ALUMINUM 16-63 2.1-5 ?17 ~0.4

logo Applications of KL Fin Tubes

KL fin tubes are widely used in several industries due to their efficient heat transfer capabilities. They are primarily found in:
Applications & Uses of A513 Dom Tube
 
  Petrochemical Industry: Used in various processes that require effective heat management.
  Electric Power Generation: Helps in enhancing energy efficiency in power plants.
  Paper Production: Utilized in processes that involve drying and heating.
  Tobacco Industry: Supports operations requiring controlled temperatures.
  Building Heating: Effective in systems designed for heating spaces.
 Food Industry: Used in spray drying systems for plant protein powder, starch, and other products.
These tubes can handle temperatures up to 250°C, making them suitable for demanding applications.

logoFAQ

KL Finned Tubes, or Knurled Finned Tubes, feature fins wrapped around a pre-knurled tube. The fins, made of thin metal strips, are secured at each end for enhanced heat transfer.

 

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