Aftermarket services provider Avingtrans said Monday its subsidiary Hayward Tyler had won a contract worth over £10m from power company Vattenfall in Sweden to provide critical parts and components to the reactor internal pumps installed at the Forsmark nuclear reactors.

Hayward Tyler, owned by Avingtrans plc and inventor of the wet wound submersible motor, was the first company to deploy this technology for the application of driving primary coolant through the reactor core of a boiling water reactor (BWR) in the early 1980s.

The first reactors to use internal recirculation pumps were designed by ASEA-Atom and built in Sweden in the 1980s. These plants had operated very successfully for many years and Hayward Tyler had provided continuous support, the company said.

A programme of ongoing improvements designed to modernise the reactors and extend their operating life has resulted in this most recent contract, which will be executed over two years between 2020 and 2022.

At 8:29am: (LON:AVG) Avingtrans PLC share price was +6.5p at 216.5p