Vertical multistage centrifugal pump
CDM5-28
CDM / CDMF · 50 Hz · also listed as CDMF5-28
CDM5-28 is a vertical multistage centrifugal pump from the CNP CDM / CDMF range (50 Hz). Rated 4 kW, 2.5–8.5 m³/h, head 90–210 m. Net weight 67 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. 15; dimensions p. 38.
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 210 |
| 2.5 | 201 |
| 3 | 197 |
| 4 | 187 |
| 5 | 174 |
| 6 | 156 |
| 7 | 132 |
| 8 | 105 |
| 8.5 | 90 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| H1 | pump height | 933 mm |
| H2 | motor height | 348 mm |
| H | overall height, flange | 1356 mm |
| H_oth | overall height, other connections | 1331 mm |
| D1 | motor diameter | 215 mm |
| D2 | base / flange width | 151 mm |
| weight_cdmf_kg | Net weight CDMF | 62 mm |
| — | Net weight | 67 kg |