Recirculating aquaculture systems from the design and engineering of the equipment to the commissioning and installation at your fish farm or hatchery.

Recirculating Aquaculture Systems


Aquaculture Equipment Manufacturer & Engineering Contractor

MAT RAS is an independent department of MAT FILTRATION TECHNOLOGIES©. We are dedicated to provide RAS equipment supply and specialized MEP contracting services for the land based fish farming of sea and fresh water aquaculture farms. MAT RAS is not focusing on building complete fish farms. On the contrary it aims to be subcontracted for the complete supply and installation for all MEP and RAS equipment of a fish farm or hatchery.

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Filtration Systems for Intensive Aquaculture Farms

We fabricate low energy consumption MEP equipment for biological filtration, mechanical filtration, and disinfection solutions in the aquaculture industry.

Recirculating Aquaculture Systems


Freshwater Protein Skimmer

Freshwater Protein Skimmers

Protein Skimmers for Salmon Hatcheries Freshwater fish farmers, especially salmon farmers, requested MAT Filtration Technologies to develop a Freshwater Protein Skimmer able to perform in fresh and brackish water conditions and installed in salmon pre-smolt stages tanks. The protein skimmer is an add-on to the existing filtration setup. By adding a protein skimmer to the […]

Protein Fractionator (Skimmer) Aquaculture

Protein Skimmers – Foam Fractionators

The Protein Skimmers made of PE & PP bodies come ready with Venturi pumps, automated protein foam level control, skimmer cap sludge autowash, control panel & ozone/oxygen intake. Assembled and hydrotested ready for installation.

Ozone Generators suitable for Aquaculture Farms & Fish Hatcheries

Ozone Generators

Ozone Generators designed and tested for RAS applications. Fabricated in respect with EU & US HSE guidelines in our factory with quality components easy to repair or replace. Equipped with control panel and optionally with oxygen concentrators, air chillers and air dryers.

RAS Engineering beyond your Expectations

MAT-RAS marine biologists, hydraulic & aquaculture engineers constantly design new equipment simple in operation that deliver optimum water quality.

Recirculating Aquaculture Systems for Fish Farms

Salmonid RAS Filtration Technology

While everyone in our industry knows that it’s almost impossible to achieve high density foam when operating in fresh water systems, MAT FILTRATION TECHNOLOGIES has been working for over 15 months to design and trial a properly functioning Freshwater Protein Skimmer for Salmon Fish Farms. In the same time, the industry was lacking a system that would efficiently remove slime, residual, proteins from the dense pre smolt salmon tanks at RAS farms.

We at MAT conceived this problem as an opportunity and for over a year we have been performing trials on different viscosity and bioload fresh water systems aiming to achieve the thickest protein foam. MAT RAS Fresh Water Protein Skimmers are sufficient and capable to remove high volume of protein slime from pre smolt salmon tanks. The new mega protein fractionators are built taking into account the average volume of the pre smolt tanks.

Freshwater RAS Technology

Freshwater Protein Skimmers

Fresh Water Protein Skimmers are sufficient and capable to remove high volume of protein slime from pre-smolt salmon tanks and Salmonid land based aquaculture.

All Freshwater Protein Skimmers
Salmon fry Tanks Powered by freshwater RAS technology


Recirculating Aquaculture Farm ILKNAK
Recirculating Aquaculture Farm

Recirculating Aquaculture Farm ILKNAK

Recirculating Aquaculture Farm Scope MAT provided the RAS equipment for Ilknak hatchery facilities in Izmir,…

View Project Recirculating Aquaculture Farm ILKNAK