fine bubble diffuser / disc / for wastewater treatment

The AQUADISC 250 fine bubble air diffuser distributes the bubbles over the whole membrane surface to increase air/liquid transfer and to avoid coalescence. It is mostly used for aerating and oxygenating activated sludge tanks at municipal or industrial treatment plants.


Technical features:
- Diameter of the EPDM membrane: 250 mm;
- Unit air flow range : 1 to 5 Nm³/h;
- Usual air flow : 3 to 3.5 Nm³/h.


The AQUADISC 250 fine bubble air diffuser is entirely developed and made in France.

The AQUADISC 250 diffuser has three entirely separate components:
- The support base of the AQUADISC 250 fine bubble air diffuser is made of a moulded polypropylene disc. It can be fixed on the air distribution pipes by a threaded nipple ¾;
- The disc is covered with a stout EPDM membrane regularly perforated;
- The membrane is secured upon the disc by stainless steel clamping ring.

Available as an option :
- It may be installed on a stainless steel or PVC framework ;
- The aeration system of which it is a part may be fixed or liftable ;
- The membrane is also available in silicone.


Please consult our brochure for more information.