Vertical multistage centrifugal pump
CDM42-2
CDM / CDMF · 50 Hz · also listed as CDMF42-2
CDM42-2 is a vertical multistage centrifugal pump from the CNP CDM / CDMF range (50 Hz). Rated 7.5 kW, 25–55 m³/h, head 31–50 m. Net weight 121 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 | 50 |
| 25 | 48 |
| 30 | 46 |
| 35 | 44 |
| 40 | 42 |
| 42 | 41 |
| 45 | 39 |
| 50 | 35 |
| 55 | 31 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| H1 | pump height | 521 mm |
| H2 | motor height | 390 mm |
| H | overall height, flange | 1051 mm |
| D1 | motor diameter | 260 mm |
| D2 | base / flange width | 168 mm |
| weight_cdmf_kg | Net weight CDMF | 111 mm |
| — | Net weight | 121 kg |