Bimetalic tubes

• 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.