Heat exchanger flat fin tube with quantity of fin per 1 meter 250
Bearing tube cross-section is a flat oval consisting of two
straight runs and two circular runs; the larges axial size is 219
mm, the smallest axial size is 19 mm; tube wall is 1,5 mm.
Process: Zigzag finning. Fins height is 20 mm, thickness of a fin
is 1 mm; quantity of fins is 333.
Being assembled, tubes must be hot-dip galvanized.