The corrugated fins or panels are designed to be used, normally in transformer tanks from 25KVAS. up to 10-12MVAS Its use provides the transformer with a correct and durable cooling which makes most transformer manufacturers use this system in their calculations and designs.

FAMMSA currently has two fully automated and robotic lines for the manufacture of fins which allows us to meet any demand and offer unbeatable quality.


Typically the fin panels are supplied with a 6 or 8mm reinforcing rod. welded on top of each fin on both sides of the panel.

For export orders, and in order to save volume of material transported in containers, it is possible to supply the panels without a rod or only with a rod placed at one of the ends.

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In the same way and for sending fin panels for maritime transport (container) the packages are protected and packed properly to avoid their oxidation during the period of transport.

Corrugated walls


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