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Carbon steel base tube material single row flat heat exchanger fin tubes
Base tube:
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.
Fins:
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.