Horizontal multistage stainless steel centrifugal pump
CHM20-30
CHM · 50 Hz
CHM20-30 is a horizontal multistage stainless steel centrifugal pump from the CNP CHM range (50 Hz). Rated 4 kW, 10–29 m³/h, head 24–40 m. Net weight 36 kg.
- Rated flow 1–20 m³/h, up to 9.6 bar pump pressure
- Liquid -15 to +70 °C; hot-water type up to +105 °C
- Threaded G1 to G2 connections, stainless flow passage
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 | 39.5 |
| 12 | 39 |
| 14 | 38 |
| 16 | 37 |
| 18 | 36 |
| 20 | 35 |
| 22 | 33 |
| 24 | 31 |
| 26 | 28 |
| 28 | 25 |
| 29 | 23.5 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| L | overall length, three-phase | 527 mm |
| L1 | L1, three-phase | 266 mm |
| L2 | L2 | 138 mm |
| L3 | foot spacing | 180 mm |
| L4 | L4 | 140 mm |
| h | shaft axis height | 112 mm |
| H | height | 230 mm |
| G | overall height, three-phase | 262 mm |
| D | motor width, three-phase | 214 mm |
| M | M | 190 mm |
| P | P | 230 mm |
| d | bolt hole | 12 mm |
| — | Net weight | 36 kg |