LEWISTON — WahlcoMetroflex has been bought by the British firm Senior PLC.

Press releases on the London Stock Exchange and the RTT News Global Financial Newswires estimate the purchase price at $13.3 million. A message on WahlcoMetroflex’s website indicates employees will stay on.

Calls for comment to WahlcoMetroflex President and CEO John Powell weren’t returned Tuesday.

WahlcoMetroflex was founded in 1972 and was bought by seven managers when its parent company filed for bankruptcy in 2001. The company makes technical parts for industries like power plants and refineries. It is located at 29 Lexington St.

In a release on his company’s website, Powell wrote: “We are thrilled to be teaming up with Senior Flexonics Pathways since we have always viewed them as a world leader in expansion joints and a desirable partner. Our leading position in high quality dampers and diverters combined with the resources and global presence of the senior organization will allow us to grow more rapidly worldwide.

“We see our clients experiencing increasing demands for our pollution control products due to the need for increased regulation of air pollutants and we want to be in a better position to service these needs,” the statement said.

The company had previously been named Maine’s 2007 Small Business Exporter of the Year by the U.S. Small Business Administration. That same year it underwent a major expansion and had 113 employees.

It “will continue to operate from its current facility,” according to the stock exchange and RTT releases.