CHL / CHLK
Horizontal multistage stainless steel centrifugal pump
- Flow 0.5–32 m³/h
- Head up to 88 m
- 0.37–5.5 kW
Light horizontal multistage centrifugal pumps, CM
Non-self-priming stainless-steel horizontal multistage pumps with a long-shaft motor. Compact, axial inlet and radial outlet, with most parts stamped from stainless steel. Flow-passage material is stainless 304 or 316L; working pressure up to 10 bar.

CNP-S-000090| Size | Description | Rated flow | Flow range | Max pressure | Motor | Connection | Models |
|---|---|---|---|---|---|---|---|
| CM2 | Light horizontal multistage centrifugal pump | 0.6 m³/h | 0.5–3.5 m³/h | 10 bar | 0.37–0.75 kW | Thread G1 / G1 | 5 |
| CM4 | Light horizontal multistage centrifugal pump | 1.1 m³/h | 1–7 m³/h | 10 bar | 0.37–1.1 kW | Thread Inlet G1¼ / outlet G1 | 5 |
| CM10 | Light horizontal multistage centrifugal pump | 2.8 m³/h | 5–14 m³/h | 10 bar | 0.75–2.2 kW | Thread G1½ / G1½ | 5 |
| CM15 | Light horizontal multistage centrifugal pump | 4.2 m³/h | 8–24 m³/h | 10 bar | 1.1–4 kW | Thread G2 / G2 | 4 |
| CM20 | Light horizontal multistage centrifugal pump | 5.6 m³/h | 10–29 m³/h | 10 bar | 1.1–4 kW | Thread G2 / G2 | 4 |
Filter by duty point, mains frequency or size. Click a model for its performance curve and data.
| Model | Size | Stages | Hz | Motor kW | Flow m³/h | Head m | rpm | kg | |
|---|---|---|---|---|---|---|---|---|---|
| CM2-2 | CM2 | 2 | 50 | 0.37 | 0.5–3.5 | 7.5–19 | 2900 | 7 | CurvePDF |
| CM2-3 | CM2 | 3 | 50 | 0.37 | 0.5–3.5 | 12–28 | 2900 | 7 | CurvePDF |
| CM2-4 | CM2 | 4 | 50 | 0.55 | 0.5–3.5 | 16–36 | 2900 | 9 | CurvePDF |
| CM2-5 | CM2 | 5 | 50 | 0.55 | 0.5–3.5 | 20.5–45.5 | 2900 | 9.5 | CurvePDF |
| CM2-6 | CM2 | 6 | 50 | 0.75 | 0.5–3.5 | 24–53.5 | 2900 | 10 | CurvePDF |
| CM4-2 | CM4 | 2 | 50 | 0.37 | 1–7 | 8–19 | 2900 | 7 | CurvePDF |
| CM4-3 | CM4 | 3 | 50 | 0.55 | 1–7 | 13–28 | 2900 | 9 | CurvePDF |
| CM4-4 | CM4 | 4 | 50 | 0.75 | 1–7 | 19–37.5 | 2900 | 10 | CurvePDF |
| CM4-5 | CM4 | 5 | 50 | 1.1 | 1–7 | 23–47 | 2900 | 13 | CurvePDF |
| CM4-6 | CM4 | 6 | 50 | 1.1 | 1–7 | 28–56 | 2900 | 13 | CurvePDF |
| CM10-1 | CM10 | 1 | 50 | 0.75 | 5–14 | 4.5–10.2 | 2900 | 11.5 | CurvePDF |
| CM10-2 | CM10 | 2 | 50 | 0.75 | 5–14 | 9.5–21 | 2900 | 11.5 | CurvePDF |
| CM10-3 | CM10 | 3 | 50 | 1.1 | 5–14 | 16.5–31.5 | 2900 | 14 | CurvePDF |
| CM10-4 | CM10 | 4 | 50 | 1.5 | 5–14 | 22–42 | 2900 | 18 | CurvePDF |
| CM10-5 | CM10 | 5 | 50 | 2.2 | 5–14 | 28–52.5 | 2900 | 21 | CurvePDF |
| CM15-1 | CM15 | 1 | 50 | 1.1 | 8–24 | 6.5–12.2 | 2900 | 13.5 | CurvePDF |
| CM15-2 | CM15 | 2 | 50 | 2.2 | 8–24 | 13.5–24.5 | 2900 | 19.5 | CurvePDF |
| CM15-3 | CM15 | 3 | 50 | 3 | 8–24 | 21–37.5 | 2900 | 27 | CurvePDF |
| CM15-4 | CM15 | 4 | 50 | 4 | 8–24 | 28.5–50.5 | 2900 | 35.5 | CurvePDF |
| CM20-1 | CM20 | 1 | 50 | 1.1 | 10–29 | 7–12.5 | 2900 | 13.5 | CurvePDF |
| CM20-2 | CM20 | 2 | 50 | 2.2 | 10–29 | 14.5–25.5 | 2900 | 19.5 | CurvePDF |
| CM20-3 | CM20 | 3 | 50 | 3 | 10–29 | 23.5–39.5 | 2900 | 28.5 | CurvePDF |
| CM20-4 | CM20 | 4 | 50 | 4 | 10–29 | 31.5–52.5 | 2900 | 37 | CurvePDF |
Every model of the CM range on one chart: each line is the performance curve of one model. Click a line or dot to open that model with its full data.
Logarithmic scales. Published catalogue data for clean water; the correct model for your duty is confirmed by our engineers.
Net weight and the main dimensions of each model, in millimetres, from the catalogue. Open a model for the labelled dimension drawing.
| Model | Hz | Weight (kg) | L | L1 | L2 | L3 | h | H | E |
|---|---|---|---|---|---|---|---|---|---|
| CM2-2 | 50 | 7 | 309 | 126 | 136 | 83 | 67 | 149 | 162 |
| CM2-3 | 50 | 7 | 327 | 144 | 136 | 101 | 67 | 149 | 162 |
| CM2-4 | 50 | 9 | 350 | 156 | 150 | 120 | 75 | 157 | 180 |
| CM2-5 | 50 | 9.5 | 368 | 174 | 150 | 138 | 75 | 157 | 180 |
| CM2-6 | 50 | 10 | 386 | 192 | 150 | 156 | 75 | 157 | 180 |
| CM4-2 | 50 | 7 | 318 | 135 | 136 | 92 | 67 | 149 | 162 |
| CM4-3 | 50 | 9 | 349 | 155 | 150 | 119 | 75 | 157 | 180 |
| CM4-4 | 50 | 10 | 376 | 182 | 150 | 146 | 75 | 157 | 180 |
| CM4-5 | 50 | 13 | 424 | 210 | 160 | 174 | 85 | 167 | 195 |
| CM4-6 | 50 | 13 | 451 | 237 | 160 | 201 | 85 | 167 | 195 |
| CM10-1 | 50 | 11.5 | 362 | 171 | 150 | 117 | 85 | 193 | 190 |
| CM10-2 | 50 | 11.5 | 362 | 171 | 150 | 117 | 85 | 193 | 190 |
| CM10-3 | 50 | 14 | 410 | 218 | 136 | 147 | 100 | 208 | 210 |
| CM10-4 | 50 | 18 | 464 | 269 | 140 | 177 | 100 | 208 | 214 |
| CM10-5 | 50 | 21 | 504 | 287 | 200 | 207 | 100 | 208 | 221 |
| CM15-1 | 50 | 13.5 | 408 | 216 | 136 | 138 | 100 | 208 | 210 |
| CM15-2 | 50 | 19.5 | 442 | 225 | 200 | 138 | 100 | 208 | 221 |
| CM15-3 | 50 | 27 | 551 | 282 | 180 | 183 | 100 | 208 | 232 |
| CM15-4 | 50 | 35.5 | 607 | 346 | 180 | 228 | 112 | 220 | 262 |
| CM20-1 | 50 | 13.5 | 408 | 216 | 136 | 138 | 100 | 208 | 210 |
| CM20-2 | 50 | 19.5 | 442 | 225 | 200 | 138 | 100 | 208 | 221 |
| CM20-3 | 50 | 28.5 | 551 | 282 | 180 | 183 | 100 | 208 | 232 |
| CM20-4 | 50 | 37 | 607 | 346 | 180 | 228 | 112 | 220 | 262 |
Parts list of the series with the material of each part. To order, send the model code and the part you need.
| No. | Part | Material | Standard | Applies to | |
|---|---|---|---|---|---|
| 1 | Inlet chamber | Stainless steel | AISI304 | All sizes | |
| 2 | Nut | Stainless steel | AISI304 | All sizes | |
| 3 | Bearing | Tungsten carbide | — | CM2, CM4 | |
| 3 | Inducer | Stainless steel | AISI304 | CM10, CM15, CM20 | |
| 4 | Impeller | Stainless steel | AISI304 | All sizes | |
| 5 | Shaft | Stainless steel | AISI304 | All sizes | |
| 6 | Outlet chamber | Stainless steel | AISI304 | All sizes | |
| 7 | Mechanical seal | — | — | All sizes | |
| 8 | Motor | — | — | All sizes | |
| 9 | Base plate | Steel plate | AISI1015 | All sizes | |
| 10 | Stay bolt | — | — | All sizes | |
| 11 | Last stage diffuser | Stainless steel | AISI304 | CM2, CM4, CM15, CM20 | |
| 12 | Impeller sleeve | Stainless steel | AISI304 | All sizes | |
| 13 | Diffuser | Stainless steel | AISI304 | All sizes | |
| 14 | Supporting diffuser | Stainless steel | AISI304 | CM2, CM4 |
Performance values are taken from the published CNP catalogue data. Our engineers confirm the final selection for your liquid, temperature, supply and site before quoting.
Horizontal multistage stainless steel centrifugal pump
Horizontal multistage stainless steel centrifugal pump
Send us the flow and head you need, or the model code and nameplate details of the pump you are repairing. Our team replies with a quotation.