Low Fin Tube

Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of low fin tube in China, also supports customized service with low price. Welcome to wholesale discount low fin tube for sale here from our factory. Contact us for free sample.

Low finned tube is generally machined in the outer surface of the tube to form a certain height, a certain distance, a certain thickness of the rib, low finned tube is commonly used in condensers.
Low finned tube is mainly by the outer ribbing (ribbing coefficient of 2~3) to expand the heat transfer area, compared with the light tube, in the case of the same consumption of metal materials with a larger surface area. From the straight view belongs to the first enhanced heat transfer, but in essence is the heat transfer area increases at the same time brought about by the improvement of the heat transfer coefficient, ribs can make the heat transfer surface stripping the flow layer, so that the heat transfer surface perturbation to improve the effect of heat transfer, the second enhanced heat transfer. The main factors affecting the heat transfer of ribbed surfaces are fin height, fin thickness, fin spacing, and the thermal conductivity of the fin material. In addition, since one side of the heat transfer wall is extended into the finned surface, convective heat transfer on the smooth side, thermal conductivity of the base wall, etc. have some influence on its total heat transfer. The fin spacing dimension of low finned tube needs to be determined according to the surface tension of the liquid and the shear force on the liquid film generated by the flow .

Low finned tube Specification

1) Tube OD:25mm~82.5mm
2) Length : 130mm~18m
3) fin height : 0mm-16mm
4) Fin pitch:2.0-5.0mm
5) finned tube length:0.5m~ 14m
6) Single metal rolling finned tube: Pure aluminum 1060 /aluminum alloy 6063 the 6061 material
7) Double metal rolling finned tube: Tube-based protection from the outer layer of aluminum tubes, corrosion-resistant;
8) Base tube material : carbon steel pipe/stainless steel tube/ copper tube / titanium alloy tube

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GNEE Certification

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