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Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados

Helical HFW Fin Tube
  • Helical HFW Fin Tube
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Fin Tube Heat Transfer
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
  • Spiral/Helical High Frequency Welded Solid Finned Tube & Tubos aletados
Model No.︰-
Brand Name︰Fin Tube
Country of Origin︰-
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Product Description

High Frequency Welded Solid Fin Tube 

Base Tube O.D
(mm)

Base Tube Thickness (mm)

Fin Height
(mm)

Fin Thickness(mm)

Fin Pitch(mm)

22 mm ~219 mm

2.0 mm ~16 mm

8 mm ~ 30 mm

0.8 mm ~ 4.0 mm

2.8 mm ~ 20 mm

Base Tube Material

Fin Material

Tube Length (Mtr)

Carbon Steel ,Alloy Steel ,Stainless Steel and Corrosion-resistance Steel

Carbon Steel, Alloy Steel ,Stainless Steel and Corrosion-resistance Steel

≤ 25Mtrs


Helical Finned Tubes provide the designer with high thermal efficiency and compact design solutions for a whole range of heat exchangers where clean flue gases are encountered. Helical finned Tubes are manufactured in both Solid and Serrated win profiles. 


Helical Solid Finned Tubes are produced by helically wrapping continuous fin strip tube. The fin strip is wounded spirally onto the tube and welded continuously with a High Frequency Electrical process to the tube along the spiral root. The fin strip is held under tension and confined laterally as it is formed around the tube, thereby ensuring that the strip is in forceful contact with the tube surface.  A continuous weld is applied at the point where the fin strip first begins to bend around the tube diameter, using the gas metal arc welding process. 


For a given pipe or tube size, the desired heat transfer surface area per unit length of tube can be obtained by specifying the appropriate fin height and/or number of fins per inch of length. 

 

This welded steel finned tube configuration can be used for practically any heat transfer application, and is particularly suited to high temperature, high pressure applications.   The important features of this configuration are efficient, effective bond of fin to tube under all conditions of temperature and pressure, and ability to withstand high fin-side temperatures.


A continuous helical fin is attached to the base tube by high frequency electric resistance welding in order to give an efficient and thermally reliable bond.


For a rapid quotation, plz send with following requirement:

Number of pieces, 

base tube: Diameter, thickness, length and material specification. 

Fins: material specification, type (solid or serrated), height, thickness, spacing, finned length and unfinned sections. Weld prep details if required. 

Delivery period required.

 

L Fin (or wrapped fin) 

The fin is wrapped around the tube and secured at each end. Gives some surface protection to the tube. Used for moderate temperature cooling applications.
Upper temperature limit: 120°C

 LL Fin (or Overlapped Fin)
The fin is wrapped around the tube with an overlapping foot and secured at each end. Gives good surface protection to the tube. Used for moderate temperature cooling applications.
Upper temperature Limit: 180°C

 

 

G Fin Tube (or Embedded Fin)

Fin is embedded into the outer wall of the tube, but gives no surface protection. In general use for continuous process applications; ie refineries, petrochemical, fertilizer and gas plants.
Upper temperature limit: 450°C

KL Fin (or Knurled L fin)

The fin is wrapped around the tube and the foot is rolled into the outer surface of the pre knurled tube and secured at each end. Gives good surface protection to the tube and improved heat transfer compared to the L or LL type fin. Used for moderate temperature cool applications.

Upper Temperature limit: 250°C

Tube Material

The table below shows American material specifications as an example - materials can be to DIN, BS, AFNOR, UNI, PN, and many other standards. Please give details in your enquiry.

Material Specification
Carbon Steel ASTM A179, ASTM A192, ASTM A214, ASTM A210. ASTM A226, ASTM A334
Alloy Steel ASTM A199, ASTM A209, ASTM A213
Stainless Steel ASTM A213, ASTM A249, ASTM A268
Duplex Stainless Steel ASTM A789
Nickel Alloy ASTM B163, ASTM B165, ASTM B167, ASTM B407, ASTM B423, ASTM B444, ASTM 668 ASTM B704
Hastelloy ASTM B626
Titanium ASTM B338
Copper Alloy ASTM B111

Fin Material

  • Aluminium standard 99.5% purity, other specifications are possible.
Material Specification
Aluminium PN-79/H-82160 DIN-1712 ASTM B491
Al99.5 (Al) Al99.5 (3.0255) 1050
Al99.7 (A0) Al99.7 (3.0275) 1070A
Aluminium Alloy PN-79/H-88026 DIN-1725 ASTM B221
AlMgSi (Pa38) AlMgSi0.5 (3.3206) 6060/6063

 

Product Image

Helical HFW Fin Tube
Helical HFW Fin Tube












Fin Tube Heat Transfer
Fin Tube Heat Transfer







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