Main industry and application
QHB series submersible reflux pump is a product developed based on the production technology of submersible mixer. This pump is a special equipment for secondary mixed liquid reflux and denitrification in sewage treatment plants. It can also be used in ground water supply and drainage projects that require small head and large capacity.
Features
1. Specially designed according to the working mode of small head and large capacity.
2. The machine body adopts punching structure, which has good water hydro performance and high efficiency.
3. Integrated lifting design enables rapid installation underwater.
4. Use double mechanical seals and multiple motor protection functions to improve operational reliability.
Working condition
1. During continuous operation, the medium temperature should not be higher than 40℃.
2. The pH value of the medium is 5-9.
3. Maximum submersion depth is 10 meters.
Main Specifications
Model | Motor power | Rated current | Impeller diameter | Protective class | Insulation class |
QJB-W1.5 | 1.5 | 5.2 | 400 | IP68 | F |
QJB-W2.5 | 2.5 | 7 | 400 | IP68 | F |
QJB-W-3 | 3 | 8.6 | 400 | IP68 | F |
QJB-W4/6 | 4 | 10.3 | 620 | IP68 | F |
QJB-W4/12 | 4 | 14 | 620 | IP68 | F |
QJB-W5 | 5 | 19 | 620 | IP68 | F |
QJB-W7.5 | 7.5 | 28 | 620 | IP68 | F |
QJB-W10 | 10 | 32 | 620 | IP68 | F |
QJB-W11 | 11 | 34 | 620 | IP68 | F |
QJB-W15 | 15 | 42 | 620 | IP68 | F |
QJB-W18.5 | 18.5 | 55 | 620 | IP68 | F |
QJB-W22 | 22 | 65 | 620 | IP68 | F |
Pump Curve
