Submersible Jet Aerator
LK-QSB Submersible jet aerator is a submersible self- aspirating jet aerators combined a submersible pump with a venturi-jet based diffuser.
Description
LK-QSB Submersible Jet Aerator in Aeration Tank
Overview
| LK-QSB Submersible jet aerator is a submersible self- aspirating jet aerators combined a submersible pump with a venturi-jet based diffuser. The liquid flow generated by the submerged pump causes negative pressure to form around the nozzle, whereby drawing in air from above the water's surface. With this jet injector mechanism, the aspirated air mixes with water and is ejected through the diffuser, simultaneously agitating and aerating the ponded water. The mixed air-water is ejected powerfully in one direction, which effectively agitates the water across a wide area. | ![]() |
Parameter
Model | Motor(KW ) | Current(A) | Speed(rpm) | Duty area(m) | Max.Duty depthtm) | Air pipe DN | Air in(m3M) |
QSB-0.75 | 0.75 | 2.9 | 2900 | 3*2 | 1.5 | DN32 | 10 |
QSB-1.5 | 1.5 | 3.7 | 2900 | 4*3.5 | 2.0 | DN32 | 22 |
QSB-2.2 | 2.2 | 5 | 2900 | 5*4 | 3.5 | DN50 | 35 |
QSB-3 | 3 | 6.4 | 2900 | 6*4.5 | 4.0 | DN50 | 50 |
QSB-4 | 4 | 8.2 | 2900 | 7*5 | 4.5 | DN60 | 75 |
QSB-5.5 | 5.5 | 12.4 | 1470 | 7.5*6.5 | 5 | DN76 | 85 |
QSB-7.5 | 7.5 | 16.5 | 1470 | 9*7 | 5.5 | DN76 | 100 |
QSB-11 | 11 | 23 | 1470 | 10*8 | 6 | DN89 | 160 |
QSB-15 | 15 | 29.7 | 1470 | 11*9 | 6 | DN89 | 200 |
QSB-18.5 | 18.5 | 36.7 | 1470 | 12*10 | 6 | DN100 | 260 |
QSB-22 | 22 | 43.2 | 1470 | 13*11 | 6 | DN100 | 320 |
How It Works?
| LK-QSB Submersible jet aerator use Venturi tube principle, the rotation of the impeller generates centrifugal force to draw water from the inlet end of the pump into the pump body and deliver the liquid to the outlet nozzle at a very high speed.The inner chamber of the outlet nozzle is from large to small. The liquid collector is accelerated so that the liquid is injected into the mixing chamber at a very high flow rate. When the high-speed flowing liquid passes through the mixing chamber, a vacuum is formed in the mixing chamber, and a large amount of air will be sucked into the intake pipe. | ![]() |
Aeration performance

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