Alstom, Daido announce hydro project thrust bearing manufacturing partnership

Alstom has signed an agreement with Daido Metal for the supply of thrust bearing pad coatings, the hydro technology manufacturer announced.

Alstom said the new products will be marketed under the “Polypad” name and will “increase bearing pad performance and durability”.

“Alstom has tested many materials and found nothing that matches Polypad in terms of strength and durability,” said Maryse Francois-Xuasa, senior vice president of Alstom Renewable Power Research and Development. “Alstom has units with these pads running flawlessly for several years, so the technology has been proven. Now is the right time to increase our commitment to this innovation.”

Daido Metal produces a “high performance and low-wear material”, Alstom (ENX: ALO) said, which makes it suitable for use in both conventional and reversible generating units. The company said they are also capable of withstanding hot starts while also being capable of supporting more weight than traditional thrust bearing pads.

This means Polypad products are able to accept heavier, higher powered generators in upgrade projects without having to replace original thrust bearings and making civil works modifications.

“This agreement with Alstom will let hydro customers all over the world benefit from Daido Metal’s state-of-the art coatings,” Daido CEO Seigo Hanji said. “This agreement is the latest step in a decade-long working relationship.”

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