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McLanahan complete Diefenbach acquisition

A Diefenbach overhead-beam filter press
A Diefenbach overhead-beam filter press

Company finalizes acquisition of leading Italian manufacturer of filter presses and thickeners

McLANAHAN Corporation have finalized the acquisition of Diefenbach, a leading manufacturer of filter presses and thickeners based in Medolago, Italy, which was first announced in February 2023.

Diefenbach have been designing and manufacturing liquid-solid separation equipment since 1907. With thousands of installations around the globe, the company provides solutions for filtration and dewatering applications in a wide range of industries, including aggregates and mining.


McLanahan and Diefenbach have been working on projects together since 2013. This new partnership will allow McLanahan to better serve their customers around the world, offering a more comprehensive solution to water recycling and tailings management as well as contributing to sustainable materials processing practices as part of the circular economy.

‘As the focus on sustainability and creating a circular economy within the materials processing industry continues to grow, the need for water recycling and tailings management is more important than ever,’ said Cory Jenson, executive vice-president of sales and business development at McLanahan.

‘This acquisition complements McLanahan’s existing line of tailings and water-management solutions and will allow us to offer more competitive solutions to our customers around the globe.’

Diefenbach will continue to operate as an independent brand in the marketplace and continue to support their customers globally. For the aggregates industry, Diefenbach are partnering with Eagle Iron Works (EIW), another brand in the McLanahan family of companies, to provide a proven line of filter presses and thickeners to EIW customers who are looking to purchase a complete tailings-management and water-recycling solution from a single vendor.


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