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Bimetalic tubes


Aluminnium fins are rolled onto the base tube of optional material .

Parameters:
  • enternal diameter of base tube Dz = 12 - 38 mm
  • diameter around fin D = 15 -70 mm;
  • max. height of fin h= 16 m;
  • lead of fin s = 1,5 - 4,5 mm;
  • max. lenght of finned tube L = 12 m.

Heatransfer coeficient between enternal
tube and fins is 0,0002 m2. K/W.











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