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Lord Fin Tube--Copper finned tubes

What is copper finned tubes?

Copper finned tubes are a newly developed type of heat exchange copper tube in recent years, which include copper or cooper alloy tubes and fins.

Copper finned tubes size:

Copper finned tubes size range includes: gdht-b series evaporation tubes and gdht-c series condensing tubes, gdht-brb series and gdht-brc series lithium bromide unit tubes. It is the key heat transfer element of shell and tube heat exchanger. External thread (external fin) copper pipe parameter specification: φ 15.88mm~ φ 25.4mm, 19-60 outer fins / inch, fin height 0.65mm-1.2mm, internal tooth height 0.1mm-0.45mm, bottom wall thickness 0.65mm-1.2mm. (can be produced according to customer requirements or drawings)

Copper finned tubes have mainly three type of fin.

1. Brazed Copper finned tubes

Brazed Copper finned tubes refers to the group of high-quality copper pipe is through a dedicated winding machine, the high-quality copper strip tightly wound evenly on the outer surface of the base pipe, then the whole lining of tin. Around the chip brass copper finned tubes, the working temperature: -10 ℃ - + 160 ℃ Vacuum furnace heat exchanger: The copper Lintong brass brazing process of finned tubes, tube sheet welding a rate of 100%, non-contact thermal resistance, fin folds small, heat capacity, operating temperature 550 ℃,

Brazed Copper finned tubes

Brazed Copper finned tubes

2. L-type copper finned tubes

L-type copper finned tubes use the belt winding process and composite pipe closely together to increase the heat transfer area outside of the tube to improve heat transfer efficiency, high production efficiency, films from uniform, wings of the ratio, the base pipe can get more benefits from air erosion.

3. Integral low/hight fin copper finned tubes

Copper low finned tubes are machined to form fins with a certain height, a certain distance and a certain thickness on the outer surface of the smooth tube. Copper low finned tubes are mostly used as heat exchange elements of condensers and evaporators of air conditioners.

Integral copper finned tube

Integral copper finned tube

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