Vertical multistage centrifugal pump
CDL1-21
CDL / CDLF · 50 Hz · also listed as CDLF1-21
CDL1-21 is a vertical multistage centrifugal pump from the CNP CDL / CDLF range (50 Hz). Rated 1.1 kW, 0.4–2 m³/h, head 75–124 m. Net weight 38 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. 13–14.
| Flow (m³/h) | Head (m) |
|---|---|
| 0.4 | 124 |
| 0.6 | 122 |
| 0.8 | 120 |
| 1 | 117 |
| 1.2 | 110 |
| 1.4 | 106 |
| 1.6 | 98 |
| 1.8 | 87 |
| 2 | 75 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| B1 | lower section height: base to motor flange | 610 mm |
| B2 | upper section height: motor | 245 mm |
| B1+B2 | overall height | 855 mm |
| D1 | motor diameter | 170 mm |
| D2 | base / flange width | 142 mm |
| — | Net weight | 38 kg |