Replacing Oxyflex® air diffusers: optimize your ventilation and save energy
Stereau Equipements et Services, a subsidiary of Stereau, expert in water treatment engineering and construction, offers its local authority and operator customers services for the renewal of strategic equipment for wastewater treatment plants, including the renewal of Oxyflex® air diffusers.

The challenges
Aeration is a key element in wastewater treatment, accounting for up to 70% of a treatment plant’s energy consumption. Aging or clogged air diffusers increase operating costs and reduce the efficiency of biological treatment. Regular renewal is essential to guarantee an optimum oxygen supply to the micro-organisms responsible for eliminating pollutants, thus ensuring the quality of treated water and limiting the environmental impact of discharges.
Our solution
Stereau Équipements et Services, exclusive reseller of Supratec’s Oxyflex® air diffusers, offers a complete package for the renewal of this strategic equipment. Our service includes the supply of diffusers and accessories, delivery, an assembly guide, a certificate of origin, and site supervision by our experts (on-site presence, bubble tests and final validation). We also provide operators with dedicated training to optimize the use and maintenance of the new equipment.
Benefits
Renewal of Oxyflex® air diffusers significantly reduces energy consumption, resulting in substantial savings on operating costs. Homogeneous, high-performance aeration optimizes the efficiency of biological treatment, improving discharge quality. What’s more, our service guarantees installation in compliance with the most stringent standards, and ensures continuity of service thanks to early scheduling of renewal. With Stereau Équipements et Services, you benefit from recognized expertise to ensure the long-term future of your installations.