Vertical multistage centrifugal pump
CDM3-8
CDM / CDMF · 60 Hz · also listed as CDMF3-8
CDM3-8 is a vertical multistage centrifugal pump from the CNP CDM / CDMF range (60 Hz). Rated 1.5 kW, 1.4–5.2 m³/h, head 40–86 m. Net weight 37 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 60 Hz, 3500 rpm, clean water. Source: Performance table printed p. 13; dimensions p. 37.
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 86 |
| 1.4 | 85 |
| 1.8 | 84 |
| 2.4 | 81 |
| 2.8 | 77 |
| 3 | 75 |
| 3.6 | 68 |
| 4.2 | 59.5 |
| 4.8 | 49 |
| 5.2 | 40 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| H1 | pump height | 327 mm |
| H2 | motor height | 293 mm |
| H | overall height, flange | 695 mm |
| H_oth | overall height, other connections | 670 mm |
| D1 | motor diameter | 172 mm |
| D2 | base / flange width | 120 mm |
| weight_cdmf_kg | Net weight CDMF | 33 mm |
| — | Net weight | 37 kg |