Aluminum L Fin Tube, OD 5/8, 3/4, 1, 1-1/4, 1-1/2 Inch

Jan 13, 2022

L/LL/LK Finned Tube
Fin Type: Fin Tube.
Tube Material: Carbon steel, stainless steel, copper, aluminum.
Fin Material: Copper, aluminum.
Fin Tube Length: No Limit.

The following table shows common Aluminum L-Foot Finned Tube configurations:
Tube OD: 5/8", 3/4", 1", 1-1/4" and 1-1/2".
Fin Height: 3/8″, 7/16", 1/2" and 5/8″.
Fin Type: Solid or Perforated.
Fin Thickness: 0.014" to 0.016″.
Number of fins: 8 to 12 fin per inch.
Fin Material: Aluminum 1100-0 or Aluminum 5005.
Tube Material: Generally carbon steel, stainless steel, or brass-can be any material.
Tube Length: No practical limit.

'L' FINNED TUBE (L type)

Wound sheet typeThe L-shaped wound tube is easy to manufacture and cheap, and it is widely used in air coolers for petrochemical industry. However, because the aluminum sheet is fastened to the surface of the steel pipe by the initial stress of winding, when the temperature of the pipe wall is high, the tension of the fin is greatly reduced, the fin starts to loosen, and the contact thermal resistance increases, so its use temperature is relatively low, generally low At 130°C.
Therefore, the L-shaped wound tube is suitable for occasions with relatively stable working conditions and no sudden changes in temperature; it is also not suitable for occasions with large vibrations. The base tube is partially covered by the bent legs between the fins, and its resistance to atmospheric corrosion is general, which is between the DR type and the G type.

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Address: Xiamen
Phone: 86-592-5819200
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