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DELLOK Extrusion Wire Wound 16mm Air Cooled Heat Exchangers Fin Tube

Categories Heat Exchanger Fin Tube
Brand Name: DELLOK
Model Number: L, LL, KL, G, Extrusion and Wire wound.
Certification: CE. ISO,EN10204. 3.1 Cert.
Place of Origin: China
MOQ: N/A Contact us for details
Price: N/A Contact us for details
Payment Terms: L/C, T/T Contact us for details
Supply Ability: 60000 meters month
Delivery Time: Ex-work with 1 month on receipt of order.
Packaging Details: (1)Steel frame case sealed by plywoods with each end capped; (2)Solid fumigated wooden box with each end of capped.
Tube OD:: 50.8mm max.
Tube Length:: no limit
Fin Height:: 16 mm max.
Fin Thickness:: generally 0.4mm ~0.6mm
Fin Pitch:: 13FPI min.
Fin Type: Type G Fin Tube / Embedded Fin Tube
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DELLOK Extrusion Wire Wound 16mm Air Cooled Heat Exchangers Fin Tube

Extrusion Wire Wound 16mm Air Cooled Heat Exchangers Fin Tube

API Standard 661 air cooled heat exchanger helical aluminum finned tubes

Quick Detail:

General L-type production capacity

General specifications of L /LL /KL / G type fin tubes

Finning Facility: 7 finning machines;

Daily capacity up to 5000 meters;

Fin type: Solid plain

Tube OD: 50.8mm max.

Tube Length: no limit

Fin Height: 16 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch: 13FPI min.


The fin strip (normally aluminum and copper) is folded into an L SHAPE and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface. The accessories with this fin are Tube Support Box, Clamp or Spacer Box (Material: Aluminum, Zinc and Stainless Steel).


The desiccants are put into each package for continental transportation as well.


The common application fields are:

  1. Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);

  2. High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);

  3. The petroleum, chemical and petrochemical industries;

  4. The food processing and refrigeration industries;

  5. Natural gas treatment;


L Type Tension Wound Tube is combined with two different materials.


General Materials

Popular ASTM Materials

Core Tube Material

Carbon steel, low-alloy steel, stainless steel, brass, copper, cooper-nickel alloys, aluminum bronze, nickel alloys.

1. Carbon Steel: A179, A192,SA210 Gr A1/C,A106 Gr B

2. Stainless Steel: TP304/304L,TP316/TP316L

3. Copper:UNS12200/UNS14200/UNS70600,

CuNi70/30,CuNi 90/10

4. Titanium: B338 Gr 2

Fins Material

Aluminum & Copper & Steel

1. Aluminum

2. Copper.

3. Steel

Competitive Advantage:

1. We have more than 10,000 square meters workshop, including 10 finning machines, daily extrusion capacity up to 3,000 meters.

2. The finning machines of Integral Low Fin Tubes are designed and assembled by ourselves and we can offer you finning machines and all accessories etc...

3. The Integral Low Fins are rolled out of the tube surface to increase the tubes external surface area, without affecting any others dimension.

4. Low Fins are very useful for tight condensers and exhibits high efficiency of heat transfer.

5. Economical solutions of heat exchange problems of media with different heat conduction abilities or different current conditions.

6. High chemical-, thermal- and mechanical resistance, suitable for rough operation conditions.

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