Vertical multistage submersible borehole pump with the motor integrated below the pump — the whole unit works submerged in the well. High head, no pump house, small footprint, quiet running.
| Series | QJ型深井泵 / QJ |
|---|---|
| Model example | 200QJ50-78/6 (200 = well bore mm; QJ = borehole submersible pump; 50 = flow m³/h; 78 = total head m; 6 = number of stages) |
| Flow rate | 5–600 m³/h |
| Head | 10–300 m |
| Medium temperature | Standard ≤20 °C; hot-water QJR version up to 90 °C |
| Wetted materials | Cast iron; 304/316L stainless steel option. Built-in check valve against water hammer, sand-proof structure, IP68 water-cooled motor. Requires clean water with ≤0.01% sand. |
| Applications | Farmland irrigation · Rural drinking water supply · Factory water supply · Mine water supply · Landscaping and gardens · Geothermal water extraction |
| Certification | ISO 9001:2015 · production licence (Ji) XK06-046-00046 |
| Warranty | Product warranty provided |
Head, flow and power are selected against your duty point rather than quoted from a catalogue curve. Send the medium, solids content, flow rate and head and we will return a sized selection with a performance curve. Every unit is run on our test station before it leaves the factory.
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