Deep-well submersible multistage stainless steel pump
SJ30-21
SJ (deep-well submersible) · 50 Hz
SJ30-21 is a deep-well submersible multistage stainless steel pump from the CNP SJ (deep-well submersible) range (50 Hz). Rated 18.5 kW, 5–38 m³/h, head 95–235 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. 11).
| Flow (m³/h) | Head (m) |
|---|---|
| 5 | 235 |
| 8 | 229 |
| 12 | 221 |
| 16 | 209 |
| 20 | 196 |
| 24 | 183 |
| 28 | 166 |
| 30 | 155 |
| 32 | 143 |
| 36 | 112 |
| 38 | 95 |