Deep-well submersible multistage stainless steel pump
SJ5-21
SJ (deep-well submersible) · 50 Hz
SJ5-21 is a deep-well submersible multistage stainless steel pump from the CNP SJ (deep-well submersible) range (50 Hz). Rated 2.2 kW, 1–6.5 m³/h, head 39–117 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. 7).
| Flow (m³/h) | Head (m) |
|---|---|
| 1 | 117 |
| 2 | 112 |
| 3 | 104 |
| 3.5 | 99 |
| 4 | 94 |
| 4.5 | 87 |
| 5 | 79 |
| 5.5 | 67 |
| 6 | 53 |
| 6.5 | 39 |