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Helical LL finned tube

 'LL' FINNED TUBE

Manufactured in the same way as the 'L' finned tube type except that the fin foot is overlapped to completely enclose the base tube thereby giving excellent corrosion resistance. This type of finned tube is often used as an alternative to the more expensive extruded type fin in corrosive environments.

 

 

Maximum working Temperature  180°c

 

Atmospheric corrosion Resistance   Acceptable

 

Mechanical resistance  Poor

 

Fin materials  Aluminium, copper

 

Tube materials  Any