Vertical multistage centrifugal pump
CDM42-9
CDM / CDMF · 50 Hz · also listed as CDMF42-9
CDM42-9 is a vertical multistage centrifugal pump from the CNP CDM / CDMF range (50 Hz). Rated 37 kW, 25–55 m³/h, head 140–220 m. Net weight 370 kg.
- CDM for non-corrosive, CDMF for lightly corrosive liquids
- Boosting, pressurising, HVAC and water treatment
- Hot-water type available (up to +120 °C)
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 p. 25; dimensions p. 43.
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 220 |
| 25 | 214 |
| 30 | 207 |
| 35 | 198 |
| 40 | 188 |
| 42 | 183 |
| 45 | 174 |
| 50 | 159 |
| 55 | 140 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| H1 | pump height | 1111 mm |
| H2 | motor height | 650 mm |
| H | overall height, flange | 1901 mm |
| D1 | motor diameter | 418 mm |
| D2 | base / flange width | 256 mm |
| weight_cdmf_kg | Net weight CDMF | 360 mm |
| — | Net weight | 370 kg |