Vertical multistage centrifugal pump
CDLK20-40/4
CDLK / CDLKF (immersion) · 60 Hz · also listed as CDLKF20-40/4
CDLK20-40/4 is a vertical multistage centrifugal pump from the CNP CDLK / CDLKF (immersion) range (60 Hz). Rated 7.5 kW, 12–34 m³/h, head 45–78 m. Net weight 75 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 60 Hz, 3500 rpm, clean water. Source: Performance table, printed pp. 43–44.
| Flow (m³/h) | Head (m) |
|---|---|
| 12 | 78 |
| 16 | 75 |
| 20 | 72 |
| 24 | 67 |
| 28 | 60 |
| 32 | 51 |
| 34 | 45 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| A | overall height | 810 mm |
| B | immersion length | 261 mm |
| C | motor height | 549 mm |
| D | D | 210 mm |
| D1 | motor diameter | 260 mm |
| — | Net weight | 75 kg |