A continuous helical fin is attached to the base tube by high frequency electric resistance welding in order to give an efficient and thermally reliable bond , Fins can be eigher solid or serrated.This type finned tube are used in boilers, furnaces and fired heaters.
Tube sizes: 3/4'' OD-- 8''
FIN HEIGHTS : 3/4'' OD-- 11/2''
FIN THICKNESS:0.035'' --0.102''
SEGMENT WIDTH: 4.5 mm or 8 mm
FIN PITCH:1-7 FINS PER INCH
MATERIAL:any material or combination that can be resistance or ARC welded.