Low Fin Tube

Low Fin (Integral) tubing is a type of extruded tubing that consists of short low fins.

钛Low Fin Tube

The low fin tube have the advantage of adding surface area to a smooth tube while maintaining the same outside diameter. Low Fin Enhanced tubes can be used in standard shell and tube baffles and tube sheets.

挤出的低翅片管

这种施工方法与切割槽的施工方法非常不同，因为通常由正在寻找快捷方式或不知道的人的人员来完成。

Materials - Low Finned Tubes

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Material	Standard
Carbon Steel	SA 179 / A 179
Carbon Steel	SA 210 / A 210
Carbon Steel	SA 334 / 334
Stainless Steel	SA 213 / A 213
双相不锈钢	SA 789 / A 789
Copper & Cu Alloys	SB 111 / B 111
钛& Ti Alloys	SB 338 / B 338

铜，铜镍，铝，钢，不锈钢和钛有低翅片管溶液。

Standard Technical Specifications - Low Finned Tubes

Material	Standard
Carbon Steel	ASTM A 498.
Stainless Steel	ASTM A 1012
铜和铜合金	ASTM B 359
钛	ASTM B 891

The uses differ, but as far as pipes with an increased outer surface area are concerned, they are all tubes with welded peripheral fins onto steel pipes, also known as high fin tubes. Low finned tubes involve the formation of fins by direct rotational processing of steel pipes, meaning there is no worry of detachment even if later bent. Moreover, they possess excellent durability and anti-vibration properties once put into operation.

Low-finned tubes are used in following fields:

heat exchangers for power plants (nuclear, electric, thermal and geothermal power plants)
chemical and petrochemical industries
high corrosive systems (evaporators, condensers,...)
food processing and refrigeration industries.

Stainless Steel Tube Integral Low Fin Tube

Benefits of Low Finned Tubes:

提供2.5-3倍的裸管外表面积
增强的热交换器效率意味着需要较少的管以实现与裸管相同的传热
低翅片管可以增加现有交换器的性能，而无需建设新壳等困难且昂贵的任务
降低空间和重量在海上生产或高升高蒸馏塔中非常有价值。低翅片技术可以将大型壳体交换器变成紧凑的热交换器

Low fin dimension capability

Description	Size dimension
Tube OD	Min. 12,7mm / Max. 31,75mm
Tube thickness (plain section)	Min. 1,245mm / Max. 3,404mm
Fin pitch	19 - 26 - 27所示– 28 – 30 – 36 fins per inch
Fin height	Max. 1,40mm
Tube length	Max. 25000mm

A Low Fin Tube is formed by passing a tube through a set of rollers that form the fins from the parent material of the tube by making it flow in the desired way.

Application

Low finned tubes are a reliable solution for controlling the temperature of gases and liquids, or for evaporating and condensing refrigerants. Thanks to their larger heat transfer surface area, they offer considerable potential to save in terms of materials and fill volumes, especially applicable to air and other gases on the fin-side and a fluid on the tube-side. Applied in heat exchanger for oil refinery and petrochemical plants, condenser and heat exchanger for petrochemical plants, condenser & evaporator for power plants,

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