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QK-QB immersible aerator, introducing high-tech from Finland, is a new self-developed submersible type aerator. Patent NO.ZL200910064575.9 Identified as one of the best mixing type aerator in China, with outstanding advantages of no clogging, high adjustability, high oxygen conversion efficiency, easy installation and maintenance without empty aeration basin, more energy saving.

* Easy to adjust when oxygen transfer
* stable α value
* Easy to install and transfer,no need to empty aeration basin.
* No need air cooling
* 100% no clogging
* High and stable dynamic efficiency
* Underwater working,noiseless



The pressured air supplied by blower goes though air pipe and reach to rotor, high speed rotor hit and break pressured air into tiny bubbles.These tiny bubbles and water around are shaped to wave curve by strongly mixing of rotor. The stator channel can ensure the air-water liquid evenly distributed in different shapes of aerator basin, meantime, strong mixing flow by rotor continuously mix the water ,air and activated sludge ,which ensures the ideal aeration efficiency.
The negative-pressure while submersible aerator working, lead to self priming , thus it will lower the air pressure ,supplied by blower, normally this pressure just equal to water height. So it is obviously energy-saving than traditional aerator.



Model | QK-QB1.5 | QK-QB3 | QK-QB5.5 | QK-QB7.5 | QK-QB11 | QK-QB15 | QK-QB22 |
Power(KW) | 1.5 | 3 | 5.5 | 7.5 | 11 | 15 | 22 |
Height(mm) | 1350 | 1580 | 1970 | 2100 | 2260 | 2400 | 2500 |
Diameter(mm) | 1200 | 1420 | 1720 | 1720 | 2270 | 2270 | 2610 |
Work Depth (m) | 3-20 | 3-20 | 3-20 | 3-20 | 3-20 | 3-20 | 3-20 |
Air intake(m3/h) | 150 | 220 | 300 | 480 | 600 | 750 | 1300 |
Kgo2/h at 5 m | 45 | 66 | 90 | 144 | 180 | 225 | 390 |
Service diameter | 4 | 6 | 9 | 12 | 15 | 18 | 23 |








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agitator aerator
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