Aarbergen/Frankfurt – 22.06.2026. Aqseptence Group GmbH (“Aqseptence Group”), the international equipment and solutions provider majority owned by funds managed by Oaktree Capital Management L.P.’s (“Oaktree”) Power Opportunities strategy today announced it has signed an agreement to sell one of its divisions, Diemme Filtration (“Diemme”), a leading provider of filtration solutions for the mining industry, to Sandvik Group.
The transaction represents another important milestone in Diemme’s growth journey. As part of Aqseptence, and with the support of Oaktree Power Opportunities, the company further strengthened its market leadership position, expanded its aftermarket capabilities, and accelerated the development and launch of new products and digital solutions.
The transaction positions Diemme strongly for its next phase of growth under a new partner that is building a dedicated Filtration division around the business. Through enhanced cross-selling opportunities, access to a broader global footprint, and continued investment in digital solutions, the partnership is expected to materially accelerate the scale and strategic development of Diemme.
Aqseptence Group’s broader platform brings together some of the most established brands in specialised screening and water treatment solutions. These include Johnson-Screens and Passavant-Geiger, which provide equipment and solutions to customers across a diverse range of sectors. The Group’s portfolio supports customers’ mission critical operations and helps advance their ESG goals.
Baldassare La Gaetana, CEO of Aqseptence Group and Chairman of the Management Board, said: «Diemme has played an important role within Aqseptence Group. Having supported its development over many years and also alongside our more recent partners at Oaktree Power Opportunities, I have witnessed the strength of its people, technology and customer relationships first hand. I am confident in Diemme’s future success with Sandvik. Meanwhile Aqseptence Group remains focused on Johnson-Screens and Passavant-Geiger, two brands that are delivering world-class screening and water processing solutions to our global customers.»
Rosario Eduardo Tagliavini, CEO of Diemme Filtration, added: «With sincere thanks to Oaktree Power Opportunities and Aqseptence for their partnership, we are excited to take this next step with Sandvik. Their global footprint and a shared culture of innovation will support our growth momentum and our ambition for excellence in filtration technology.»
Lun Nie, Senior Vice President at Oaktree, added: «Over the course of our partnership with Aqseptence, we worked closely with management to further develop its various divisions. We are particularly proud of what has been achieved together at Diemme, and wish the entire Diemme team every success in the next chapter of its growth journey.”
The transaction is expected to close in the third quarter of 2026. Aqseptence and Oaktree were advised by Rothschild & Co as financial adviser and DLA Piper as legal counsel on the transaction.
About Aqseptence Group
The company is headquartered in Aarbergen near Frankfurt am Main and employs around 1,300 people worldwide. Aqseptence Group is a global supplier of specialized products, equipment and system solutions for water treatment and liquid/solid separation. We are proud to unite some of the most renowned brands in the industry, some of which have been serving customers in industry as well as municipalities for more than 180 years. The roots and foundation of the company are the traditional product brands such as Passavant, Geiger, Noggerath and Johnson-Screens. For additional information, please visit Aqseptence Group’s website.
For the full press release, please refer to Sandvik’s news article.
