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HFW Solid Finned Tube

HFW Solid Finned Tubes short for High Frequency Welded Helical Spiral Solid Finned Tube

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 used. Helical finned Tubes are manufactured in both Solid and Serrated type.

 

Helical Solid Finned Tubes are manufacturer by helically wrapping continuous fin strip on tube. HF Resistance Welding Usually Employs Frequency Of 400 kHz. The fin wound around the tube And Continuous weld. The fin strip is wounded spirally onto the tube and welded continuously with a high frequency electrical process to the base tube along the spiral root. The fin strip held under tension and confined laterally as it is formed around the tube, thereby ensuring that the strip is in forceful contact with the base 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 tube or pipe size, the desired heat transfer surface area per unit length of tube can be obtained by specifying the appropriate fin height, fin thickness and /or number of fins per meter of length.  

HFW Solid Finned Tube

This welded steel finned tube configuration can be used for any practically heat exchanger application, and is particularly suited to high temperature and 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.

 

Technical Details

Base Tube Details

Tube Diameter       :      20 mm OD Min to 219 mm OD Max.

Tube Thickness      :      Minimum 2 mm up to 16mm

Tube Material :      Carbon Steel, Stainless Steel, Alloy Steel, Corten steel, duplex Steel, Super Duplex Steel, Inconel, High Chrome High Nickle & Incolloy, CK 20 material and some other material.

 

Fin Details

Fins Thickness       :      Min. 0.8 mm to Max. 4 mm

Fins Height     :      Min 0.25” (6.35 mm) To Max.1.5” (38 mm)

Fin Density     :      Min 43 Fins Per Meter To Max. 287 Fins Per Meter

Material  :      Carbon Steel, Stainless Steel, Alloy Steel, Corten steel, Duplex Steel and Incolloy.

 

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.

 

Keywords: Fin tubes, Finned tube, Finned Pipe Helical Finned Tubes, Solid fin tubes, Serrated finned tube, Helical Serrated Finned Tubes, Tubos Aletados

 

 

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