Aluminium fin steel tube system
The ALEX system consists of an aluminium coated steel flat duct. Aluminium finnings between the flat ducts are hard-soldered to the aluminium coating of the flat duct. The solder fills the gap between the fin root and the core tube completely to achieve excellent heat transfer properties.
- Optimal use of the complete cooling surface as no-flow regions are avoided
- The fin tubes are not sensitive to fouling and, if necessary, easily cleaned with high-pressure water or compressed air
- The weight of an aluminum fin tube bundle is no more than one third of the weight of an equivalent galvanized steel fin tube bundle. The outcome is a reduction of weight in steel construction.
- A life span of over 25 years confirmed by corrosion tests
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