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Aeration AIRO-HYD unit is designed for air distribution from the compressor. From the point of view of oxygen dissolving intensity, the most effective aeration is small-bubble aeration. Air flows through the perforated material, thereby forming a large number of tiny bubbles which rise to the surface saturating it with oxygen. Depending on the construction and dimensions of the tank, an aeration unit can be either of a tube or disk form.

A polyurethane aerator sleeve is covered with micro perforated holes. By air supply the sleeve blows up and straightens shaking off all kinds of knots and opening all micropores. Thus, the process of constant self-purification of the aeration unit takes place. After switching off the air supply all the pores are closed by the pressure of the liquid column and the sleeve is compressed. Thus, water ingress into the aerator does not occur.

A method of laser perforation provides a constant formation of small bubbles, which prevents the penetration of the liquid by the technological or emergency pauses and therefore excludes pollution. The material is elastic and resistant to hydrolysis and microbial influences. 


  • In aerotanks: aeration is an integral part of biological wastewater treatment. Small-bubble aeration enables steady air distribution in the water providing a high oxygen dissolution degree.
  • For flotation: aeration serves for wastewater treatment from suspended solids. The bubbles adhere to the suspended matter, causing the suspended matter to fl­oat to the surface and form a froth layer which is continuously removed by a skimmer. 
  • In aerobic stabilization basin: aeration during sludge stabilization prevents sludge rotting. The sludge is blended by air bubbles excluding stagnant zones formation.
  • In the ponds: artificial pond cannot exist without constant aeration. Unaerated pond can look unpleasant and become inappropriate for fish keeping.  Aeration speeds oxidizing process up, helping to the pond clarification. Oxygen saturation is necessary to support life of fish. In winter, during the aerator operation in the pond ice-holes are formed, providing additional reaeration.
  • In fish farms: water aeration is used for the storage and transportation of fish in stagnant tanks, thus creating optimal conditions for its existence. The lack of oxygen under such conditions is particularly typical for the summer.




  • Service life is over twelve years;
  • Materials of the aerator have proven reliable over many years of operation in wastewater treatment plants;
  • Membrane is highly stretchable and durable in the corrosive environment due to polyurethane film;
  • Reliable closing of pores in the pauses of aeration prevents contamination and fouling of membranes (the system is able to operate in continuous and pulsed modes of aeration);
  • It is resistant to hydrodynamic impact;
  • Low head losses occur when the air passes through the aerator;
  • Air is distributed equally over the entire length of the aerator;
  • The membrane material is resistant to hydrolysis and microbial and mold influence. It is characterized by strength, durability, and resistance to volume swell in various oils. It has no ozone aging.
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Unique design features:

  • The design of the tube aerator is very simple. It does not have threaded connections. Because of this, the mounting process becomes easier and no special tools are required.
  • Cutting-edge plastic is used. It is resistant to aggressive environments that can cause corrosion of metal parts. 
  • It is possible to replace the polyurethane film after the end of its exploitation period. It makes the tube aerator 30-40% more cost-efficent.

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