Horizontal multistage stainless steel centrifugal pump
CM20-2
CM · 50 Hz
CM20-2 is a horizontal multistage stainless steel centrifugal pump from the CNP CM range (50 Hz). Rated 2.2 kW, 10–29 m³/h, head 15–26 m. Net weight 19.5 kg.
- Stainless steel 304 or 316L flow passages
- Up to 10 bar working pressure
- Axial inlet, radial outlet, threaded ports
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. 10; dimensions p. 12.
| Flow (m³/h) | Head (m) |
|---|---|
| 10 | 25.5 |
| 12 | 25 |
| 14 | 24.5 |
| 16 | 24 |
| 18 | 23.7 |
| 20 | 23 |
| 22 | 22 |
| 24 | 20.5 |
| 26 | 18 |
| 28 | 16 |
| 29 | 14.5 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| L | overall length, three-phase | 442 mm |
| L1 | L1, three-phase | 225 mm |
| L1_1ph | L1, single-phase | 233 mm |
| L2 | L2, three-phase | 200 mm |
| L3 | L3 | 138 mm |
| L4 | L4 | 140 mm |
| h | inlet axis height | 100 mm |
| H | height | 208 mm |
| E | height incl. terminal box, three-phase | 221 mm |
| E_1ph | single-phase | 268 mm |
| D | motor width, three-phase | 171 mm |
| D_1ph | motor width, single-phase | 175 mm |
| M | M, three-phase | 160 mm |
| A | A, three-phase | 200 mm |
| K_1ph | single-phase only | 92 mm |
| — | Net weight | 19.5 kg |