Vulcan's Helical Solid Finned Tubes are produced by helically wrapping continuous fin strip on edge around the tube circumference and continuously welding the fin strip to the tube.  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 (GMAW) 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.

The following table shows Vulcan's manufacturing capabilities for helical solid finned tube ...

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.

See Vulcan's "Standard Specifications for Welded Helical Solid Finned Tubes"

© 2006 Vulcan Finned Tubes, L.P.