an Italian-based distributor and supplier of customized spiral membrane products expands product range to service Water & Wastewater customers around the world

Wiesbaden (Germany) / Fano (Italy), 8 January 2018 - MICRODYN-NADIR , the water treatment business unit of global filtration leader MANN+HUMMEL, announces the acquisition of OLTREMARE, a leading European manufacturer of spiral-wound membrane elements.

MICRODYN-NADIR (www.microdyn-nadir.com), the water treatment business unit of global filtration leader MANN+HUMMEL, announces the acquisition of OLTREMARE (www.oltremaremembrane.com), a leading European distributor and supplier of spiral-wound membrane elements.  OLTREMARE, based in Fano, Italy, is known for both the production of custom and private-label spiral products and the distribution of reverse osmosis, ion exchange, and other products used for water treatment and purification.

The acquisition will allow MICRODYN-NADIR to expand their wide range of membrane filtration products to provide even more product options to their global customer base.  Along with the acquisition of TriSep Corporation (November 2016), the addition of OLTREMARE expands MICRODYN-NADIR’s capability to provide customized products and solutions.

 “This strategic purchase is a continuation of MICRODYN-NADIR’s commitment to service both the Water & Wastewater and Process & Specialties application segments,” said Walter Lamparter, CEO of MICRODYN-NADIR. “Adding OLTREMARE to our team increases our ability to service our customers around the world and continues to accelerate our growth in the water treatment business.”

Founded more than 25 years ago, OLTREMARE currently sells most of its products in Europe. The company will continue operating under the leadership of Marco Nava.  According to Nava, “I am excited to combine OLTREMARE’s capabilities with MICRODYN’s global sales organization. I look forward to introducing OLTREMARE products to companies around the world!”

With over 50 years of experience, MICRODYN-NADIR offers the widest range of membrane products, including reverse osmosis, nanofiltration, ultrafiltration, microfiltration and membrane bioreactors. MICRODYN-NADIR serves companies treating water and wastewater as well as companies focusing on a wide variety of process applications such as dairy, food and beverage. Its range of products can remove both dissolved and suspended solids.

This transaction is expected to be completed by the end of January. The parties have agreed not to disclose the purchase price.

Press Images:     

Walter Lamparter, CEO of MICRODYN-NADIR
Marco Nava, CEO of OLTREMARE


With locations in Germany, North America, Asia, and Brazil, MICRODYN-NADIR is a leading supplier of customized spiral membrane elements, MBR modules, and hollow-fiber, capillary and tubular membrane modules.  Its product portfolio includes reverse osmosis, nanofiltration, ultrafiltration, and microfiltration membranes.

For over 50 years, MICRODYN-NADIR has been applying its products in various industrial and municipal applications for water and wastewater treatment as well as in many process applications in the food, dairy and beverage markets and in the chemical industry.

MICRODYN-NADIR is headquartered in Wiesbaden, Germany, and is the water treatment business unit of MANN+HUMMEL Group.

Further information about MICRODYN-NADIR is available at http://www.microdyn-nadir.com/


MANN+HUMMEL is a leading global expert for filtration solutions. The company group with its headquarters in Ludwigsburg, Germany, develops solutions for motor cars, industrial applications, clean air in interior spaces and the sustainable use of water. In 2016 the group achieved sales of approx. 3.5 billion euros worldwide with more than 20,000 employees at more than 80 locations. The products manufactured by the group include air cleaner systems, intake manifold systems, liquid filter systems, plastic components, filter media, cabin filters, industrial filters and membrane filters.

Further information about MANN+HUMMEL is available at http://www.mann-hummel.com

Contact Persons

Miriam Teige
Manager Corporate Communications
Jon Goodman
Global Commercial Director Microdyn-Nadir