Deep-well submersible multistage stainless steel pump
SJ12-7
SJ (deep-well submersible) · 50 Hz
SJ12-7 is a deep-well submersible multistage stainless steel pump from the CNP SJ (deep-well submersible) range (50 Hz). Rated 2.2 kW, 3–18 m³/h, head 19–48 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 | 48 |
| 4 | 46 |
| 6 | 43 |
| 8 | 40 |
| 10 | 38 |
| 12 | 35 |
| 14 | 31 |
| 16 | 25 |
| 18 | 19 |