Page 20 - TPP Boilers Dynamic Ecatalogue
P. 20
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HELICALLY WOUND FINNED TUBES
G Fins: (Embedded Fin) The G n strip is wound into a machined
groove and securely locked into place by back lling with
base tube material. This ensures that maximum heat
transfer is maintained at high tube metal temperatures.
Maximum operating temperature for this n type is 450°C.
Fin Material: Aluminum or Copper
Tube Materials: Carbon steel, Cr.-Mo. Steel, Stainless Steel.
L Fins: L Fin strip material is subjected to controlled deformation
under tension giving the optimum contact pressure of the
foot of the n onto the base tube thus maximizing the heat
transfer properties. The foot of the n considerably
enhances the corrosion protection of the base tube.
Maximum operating temperature for this n type is 150°C.
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