About Hydria Water

Hydria Water AB sells and markets products and solutions for wastewater treatment. Together with our sister company, we have long experience and knowledge and provides products, installation and service. All development, design and production takes place in Sweden, with close collaboration between vendors, designers and installers. We have since the 60th century supplied equipment for treatment plants worldwide.

Our brands are VA Teknik Sweden and Mellegård & Naij AB;

VA Teknik Sweden’s name is well known in the Scandinavian water market. The company is the market leader in Sweden in the fields of sludge scrapers and equipment for sedimentation tanks.

MN Mellegård & Naij develops and manufactures mechanical equipment for water treatment and sewer management worldwide.

Hydria Invest

Hydria Water included in the Boras based group Hydria Invest. It is a family-owned group with an emphasis on the Swedish-made quality products for ventilation and water treatment. The Group also has a number of service companies. Read more www.hydria.se

VA Teknik Sweden – innovative solutions for a cleaner world.

Our products are market leaders. With Swedish innovation and quality, energy-efficient and sustainable solutions, we want to be the obvious choice in water treatment.

VA Teknik Sweden AB is a Swedish company whose name is well known in the Scandinavian water market. The company is the market leader in Sweden in the fields of sludge scrapers and equipment for sedimentation tanks.

VA Teknik Sweden has delivered sludge scrapers around the world to more than 4,000 applications during the last 40 years.

Our salespeople, technicians and engineers are ready to help you to meet your needs for safe sedimentation and sludge transportation in sedimentation basins. Rectangular or circular it doesn´t matter!

Practice Areas

Water and sewer treatment
Swedish water treatment technology has high international reputation. VA Teknik Sweden has a stated goal to maintain a quality level which corresponds to that reputation. Our activities are currently focused on marketing and sales of engineered products and agency products within the water and sewer.

Sludge Scraper Technology
Separation of sludge in sewage treatment process is done by sedimentation in tanks, either rectangular or circular. Pool type often depends on national traditions. In Scandinavia, the rectangular shape. Rectangular tanks can be equipped with chain scrapers or linskrapor.
The most common equipment in circular basins are peripheral drive sludge scraper with a dock, but we can also offer a chain driven sludge scraper for circular basins.

Common peripherals in sedimentation basins are floating sludge deduction of various constructions depending on pool shape and scraping equipment. Our specialty is automated, motorized floating sludge gutters for rectangular sedimentation tanks.

Lamina Sediment
An important complement to the traditional sedimentation technique is lamina sedimentation. We can, through our partner Enexio in Germany offer TUBEdek®, a flexible sedimentation programs for both rectangular as circular basins.

Biobed equipment
Bio spreaders and media for trickling filters provide opportunities to complete deliveries of both multipliers and media or just media alone or diffusers alone – according to customer needs. Our Biospreaders with adjustable cups and conical hatch is a proven and safe product, Enexio’s media PLASdek® and BIOdek® of trickling filters. Together with VA Teknik and Enexio’s combined expertise, we provide our customers safety when biobed be built or renovated.

Mellegard & Naij.

Mellegård & Naij AB is a Swedish company that designs and manufactures equipment for sewage, sand, and waste management. With a worldwide presence and a long time in the industry, we posses a wide competence when it comes to wastewater treatment.

We supply the best and most modern solutions that the industry has to offer. We offer high quality products with a long life, tailor made to fit our customers needs together with good and reliable service. We are driven by innovative thinking and after many years in the industry we can provide that little extra in terms of procurement, supply, installation, and service when the products are in operation.

We have experience with mechanical separation of solids since the mid 80’s. Our main product is the XS Cross Screen and even if cross screens seem simple on the surface, a great deal of experience is required to make them perfect. With this we can provide the latest and most innovative solutions on the world market.