Deep-well submersible multistage stainless steel pump
SJ42-4
SJ (deep-well submersible) · 50 Hz
SJ42-4 is a deep-well submersible multistage stainless steel pump from the CNP SJ (deep-well submersible) range (50 Hz). Rated 7.5 kW, 5–60 m³/h, head 18–53 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. 12).
| Flow (m³/h) | Head (m) |
|---|---|
| 5 | 53 |
| 10 | 52 |
| 20 | 49 |
| 30 | 43 |
| 40 | 37 |
| 42 | 36 |
| 50 | 29 |
| 60 | 18 |