Vertical multistage centrifugal pump
CDLK42-20/2
CDLK / CDLKF (immersion) · 50 Hz · also listed as CDLKF42-20/2
CDLK42-20/2 is a vertical multistage centrifugal pump from the CNP CDLK / CDLKF (immersion) range (50 Hz). Rated 7.5 kW, 25–55 m³/h, head 31–48 m. Net weight 80 kg.
- Pump length adjustable with a cavity body
- Cooling liquid, cutting and lubricating liquid, condensate
- Optional intelligent protector (dry running, phase loss, overload)
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, 2900 rpm, clean water. Source: Performance table, printed pp. 29–30.
| Flow (m³/h) | Head (m) |
|---|---|
| 25 | 48 |
| 30 | 46 |
| 35 | 44 |
| 40 | 42 |
| 42 | 41 |
| 45 | 39 |
| 50 | 35 |
| 55 | 31 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| A | overall height | 847 mm |
| B | immersion length | 278 mm |
| C | motor height | 569 mm |
| D | D | 210 mm |
| D1 | motor diameter | 260 mm |
| — | Net weight | 80 kg |