OEM manufacturer Slant Fin Tube - L, LL, KL Finned Tube(Wound Finned Tubes) – Datang

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We also provide item sourcing and flight consolidation solutions. We have now our very own manufacturing facility and sourcing place of work. We could provide you with nearly every kind of merchandise associated to our merchandise variety for Heat Exchanger In Heat Transfer , Footed Finned Tube , Copper Tube Fin Heat Exchanger , Welcome all customers of home and abroad to visit our company, to forge a brilliant future by our cooperation.
OEM manufacturer Slant Fin Tube - L, LL, KL Finned Tube(Wound Finned Tubes) – Datang Detail:

L finned tubes, LL (Double L) finned tubes, KL finned tubes (knurled fin tubes) (with aluminum fins)

Fins: Aluminum ASTM B209 Al 1060; ASTM B209 Al 1100, 1050A.

Fields of application

● the petroleum, chemical and petrochemical process industries

● natural gas treatment

● the steel industry: blast furnace and converter systems

● power generation

● air conditioning (Freon, ammonia, propane)

● incineration of household refuse

● compressor coolers, etc.

L-foot tension wound finned tubes consist of thin aluminum fin strip tightly wound helically around the tube circumference. Tube materials are carbon steel, stainless stell, or brass. A foot, 1/16″ wide, is first formed on one side of the fin strip (thus, the name “L-Foot”). The strip wound tightly around the tube, with the foort bearing on the tube outer suface. A typical fin spacing is 10 fins/in of tube length (can be varied). Tension in the fin strip as it is wrapped around the tube serves to hold the fin firmly in place.

Wound Finned Tube (1)
Wound Finned Tube (2)

LL-Fin Tube is manufactured in the same way as the “L” finned tube type except that the fin foot is overlapped to completely enclose the base tube thereby giving excellent corrosion resistance. This type of finned tube is often used as an alternative to the more expensive extruded type fin in corrosive environments.

KL-Fin Tube is manufactured exactly as the ‘L’ finned tube except that the base tube is knurled before application of the fin foot. After application, the fin foot is knurled into the corresponding knurling on the base tube thereby enhancing the bond between the fin and tube, resulting in improved heat transfer characteristics.

*Maximum working temperature: 260 deg C.

*Atmospheric corrosion resistance: Accpetable

*Mechanical resistance: Acceptable

*Fin materials: Aluminium, Copper

*Tube materials: Any theoretical limit

Stainless Steel, Carbon Steel, Alloy Steel, Titanium, Copper, Duplex Stainless Steel, Inconel etc. (all material in the theoretical limit)

1. Base Tube Outside Diameter: 12.70 mm to 38.10 mm

2. Base Tube Thickness: 1.25mm And Above

3. Base Tube Length: 500 mm Min To 15000 mm

4. Fin Material: Aluminum, Copper, Stainless Steel, etc.

5. Fin Thickness: 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.55mm, 0.60mm, 0.65mm

6. Fin Density: 236 FPM (6 FPI) to 433 FPM (11 FPI)

7. Fin Height: 9.8 mm to 16.00 mm


Product detail pictures:

OEM manufacturer Slant Fin Tube - L, LL, KL Finned Tube(Wound Finned Tubes)  – Datang detail pictures

OEM manufacturer Slant Fin Tube - L, LL, KL Finned Tube(Wound Finned Tubes)  – Datang detail pictures


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In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of OEM manufacturer Slant Fin Tube - L, LL, KL Finned Tube(Wound Finned Tubes) – Datang , The product will supply to all over the world, such as: Rotterdam, Swedish, Algeria, Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".
  • The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Poppy from Surabaya - 2017.05.02 18:28
    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By King from Angola - 2018.07.12 12:19
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