Deep-well submersible multistage stainless steel pump
SJ12-25
SJ (deep-well submersible) · 50 Hz
SJ12-25 is a deep-well submersible multistage stainless steel pump from the CNP SJ (deep-well submersible) range (50 Hz). Rated 7.5 kW, 3–18 m³/h, head 69–166 m.
- Fourteen sizes from 1 to 200 m³/h rated flow
- Flow 0.2 to 240 m³/h
- AISI 304 stainless steel construction
Performance curve Curve-based
Efficiency, shaft power and NPSHr are not published for this model in the source catalogue.
Head versus flow at 50 Hz, 2850 rpm, clean water. Source: Performance table, SJ size page (PDF p. 9).
| Flow (m³/h) | Head (m) |
|---|---|
| 3 | 166 |
| 4 | 163 |
| 6 | 155 |
| 8 | 146 |
| 10 | 137 |
| 12 | 126 |
| 14 | 113 |
| 16 | 92 |
| 18 | 69 |