Brown Fintube France Energy

Longitudinally finned tubes

Finned tubes are continuously welded through an electric resistance welding method. For non-ferrous materials such as copper alloys, fins are brazed.

Material combinations between fins and tubes depend on their electric resistance weldability.

This process does not affect the tube metal structure and does not create additional stress in the welded area.

Finned tubes main advantages are :

  • An increase of the heat exchange surface which allows to reduce the size of equipment
  • A decrease of tube wall temperature thanks to the extended surface, reducing fouling
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