The group

Founded more than 60 years ago, the KWI Group is the global leader in designing and delivering Dissolved Air Flotation (DAF) systems for water and wastewater treatments systems for industrial and municipal applications. With more than 4,700 installations in 77 countries, KWI is renowned globally for excellence in delivering robust and cost effective solutions based on proven process designs incorporating exclusive, patented equipment and technology incorporating dissolved air flotation technology. Furthermore, KWI has the largest range of DAF clarifiers of any supplier in the world to meet the ever-changing needs of our clients.  Key markets include Industrial Waste Water Treatment, Biological Treatment, Process and Potable Water applications.

Headquartered in Ferlach – Austria, with more than 100 staff globally, the KWI group has its own dedicated manufacturing and product engineering centre which manufactures all the equipment designed, to provide machinery of best quality sold by the KWI group of companies.

KWI believes in innovation and continues to respond to the needs of the market and clients through the constant development of new technologies and several more patents relating to dissolved air flotation technology are currently pending. Our mission is to provide the best engineered and cost effective solutions for our customers in the field of liquid/solid separation, using DAF as the main process and to provide the best technical & maintenance backup service.

The Group – history

From 1995 to 2017, Mr. Massimo Di Bella was engaged to rationalize, consolidate and grow the business of Krofta Water into today’s global KWI International. Thanks to him KWI enjoyed growth and has the continuous power to develop new products for new markets.


KWI has over 10 associated offices throughout Europe, the Far East, the Middle East and the Americas as well as agents and distributors in many other countries.

Moreover, KWI develops technical and commercial partnership with 2 sisters companies to propose a wider range of products and solutions, especially in water desalination and potable water :

– German Manufacturer of Ceramic Flat Membranes and
 – North American specialist in filtration and high-performance solutions.

Explore the map to find our addresses and which one is closest to you !