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OTT GROUP Aeration System

OTT GROUP, a globally influential aeration brand, was founded in 1986 and has over 30 years of experience in the research and development of aeration products and systems. It is a specialized manufacturer of aerators worldwide.

OTT GROUP has always adhered to the quality of "Made in Germany" and has now developed into an international company with over 20 representative offices. Currently, we have provided products and services to over 6000 sewage treatment plants and companies worldwide.

So far, the OTT aerator system has achieved energy cost savings of 33214000 euros and reduced carbon dioxide emissions by 14450 tons.

With over 35 years of manufacturing history and countless cases, OTT is an expert in high-performance aeration systems in the fields of municipal and industrial wastewater. OTT never compromises on quality and provides customers with the products we promise.


  • D-REX ® Disc aerator

    OTT D-REX ®  The disc aerator can be installed on a three-quarters inch internal thread or on a square tube with an inner diameter of 30mm using an adapter. The bracket and clamping ring are made of glass fiber reinforced PP and can withstand temperatures up to 120 ℃ (248 ° F). All components are resistant to formic acid. D-REX ®  The disc aerator can be combined with ethylene propylene rubber FLEXNORM ®  Or silicone resin FLEXSIL ®  Or OTT FLEXLON ®  Use the membrane together. A larger loading area allows for multiple applications.

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  • MAGNUM ® Aeration pipe

    ① Overview:

    OTT MAGNUM ®  The membrane tube aeration equipment has been proven to be an effective technological innovation. MAGNUM ® The aeration tube stands out for its easy and fast installation, as well as high quality. This product has high efficiency and long service life, with each MAGNUM ®  The membrane tube aeration equipment undergoes strict quality inspection before leaving the factory. The relevant data is recorded according to the order.

    ② Application areas: municipal wastewater, industrial wastewater


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  • STANDARD2 ® Membrane tube aerator

    OTT STANDARD 2 tubular aerators can be installed in pairs or separately on stainless steel and plastic distributors with inner diameters of 30, 40, or 45mm. You can use ethylene propylene rubber (FLEXNORM) ®) Or silicone resin (FLEXSIL) ®/FLEXSIL ®+) The membrane obtained the Standard 2 tubular aerator. We provide different holes according to the requirements. You can obtain Standard 2-tube aerators with lengths of 500, 750, and 1000 mm at the factory. The special length can be between 200-1650mm.

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  • AirRex ® Modular aeration system dedicated pipeline

    AirRex ®  It is a modular plastic piping system that can be quickly installed in all types of aeration tanks without the need for adhesives or other auxiliary tools. Unique AirRex ®  The fastening device allows for linear expansion of the pipe column and can operate safely at temperatures above 100 ℃ (212 ° F) (video ). AirRex ®  The piping system can be optionally equipped with a three-quarters inch NPT or BSP internal thread. With the help of an adapter, OTT MAGNUM can be connected ®  Tube aerator, OTT D-REX ®  Disc aerators and disc aerators from other manufacturers can be quickly and safely installed on AirRex ®  On the pipeline system.

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