Vertical multistage centrifugal pump
CDL4-7
CDL / CDLF · 50 Hz · also listed as CDLF4-7
CDL4-7 is a vertical multistage centrifugal pump from the CNP CDL / CDLF range (50 Hz). Rated 1.5 kW, 1.5–7 m³/h, head 33–66 m. Net weight 39 kg.
- Wide size range from 1 m³/h to 200 m³/h rated flow
- Hot-water type available (up to +120 °C)
- Standard IP55 / insulation class F two-pole motor
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 pp. 19–20.
| Flow (m³/h) | Head (m) |
|---|---|
| 1.5 | 66 |
| 2 | 63 |
| 3 | 61 |
| 4 | 56 |
| 5 | 48 |
| 6 | 43 |
| 7 | 33 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| B1 | lower section height: base to motor flange | 431 mm |
| B2 | upper section height: motor | 290 mm |
| B1+B2 | overall height | 721 mm |
| D1 | motor diameter | 190 mm |
| D2 | base / flange width | 155 mm |
| — | Net weight | 39 kg |