HP
High-pressure horizontal multistage pumps, HP
Horizontal high-pressure pumps coupled to a standard motor by a rigid coupling, used singly or as two in series. Impellers are arranged back to back to balance the axial force. Used where very high head is needed at moderate flow.
- One pump or two in series
- Back-to-back impellers balance axial force
- Highest heads in the catalogue
- Water treatment, boosting and flushing duties

CNP-S-000079- Flow
- 16–65 m³/h
- Head
- up to 718 m
- Power
- 37–110 kW
- Mains
- 50 Hz / 60 Hz
- Models
- 39
- Liquid temp.
- -15 to +70 °C (normal type); hot-water type -15 to +120 °C
Sizes
| Size | Description | Rated flow | Flow range | Max pressure | Motor | Connection | Models |
|---|---|---|---|---|---|---|---|
| HP32 | Horizontal high-pressure pump set (one pump, or two pumps in series) | 32 m³/h | 16–40 m³/h | 70 bar | 37–74 kW | PJE coupling | 22 |
| HP42 | Horizontal high-pressure pump set (one pump, or two pumps in series) | 42 m³/h | 25–55 m³/h | 72 bar | 55–110 kW | PJE coupling | 17 |
Models
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 | |
|---|---|---|---|---|---|---|---|---|---|
| HP32-17 | HP32 | 17 | 50 | 37 | 16–40 | 175–310 | 2900 | 485 | CurvePDF |
| HP32-18 | HP32 | 18 | 50 | 37 | 16–40 | 186–328 | 2900 | 490 | CurvePDF |
| HP32-19 | HP32 | 19 | 50 | 37 | 16–40 | 197–346 | 2900 | 500 | CurvePDF |
| HP32-10×2 | HP32 | 10 | 50 | 37 | 16–40 | 202–364 | 2900 | 620 | CurvePDF |
| HP32-11×2 | HP32 | 11 | 50 | 44 | 16–40 | 220–401 | 2900 | 695 | CurvePDF |
| HP32-12×2 | HP32 | 12 | 50 | 44 | 16–40 | 242–437 | 2900 | 705 | CurvePDF |
| HP32-13×2 | HP32 | 13 | 50 | 60 | 16–40 | 264–473 | 2900 | 850 | CurvePDF |
| HP32-14×2 | HP32 | 14 | 50 | 60 | 16–40 | 287–510 | 2900 | 860 | CurvePDF |
| HP32-15×2 | HP32 | 15 | 50 | 60 | 16–40 | 310–546 | 2900 | 870 | CurvePDF |
| HP32-16×2 | HP32 | 16 | 50 | 60 | 16–40 | 331–583 | 2900 | 880 | CurvePDF |
| HP32-17×2 | HP32 | 17 | 50 | 74 | 16–40 | 352–619 | 2900 | 945 | CurvePDF |
| HP32-18×2 | HP32 | 18 | 50 | 74 | 16–40 | 374–656 | 2900 | 955 | CurvePDF |
| HP32-19×2 | HP32 | 19 | 50 | 74 | 16–40 | 395–692 | 2900 | 965 | CurvePDF |
| HP42-14 | HP42 | 14 | 50 | 55 | 25–55 | 222–336 | 2900 | 660 | CurvePDF |
| HP42-15 | HP42 | 15 | 50 | 55 | 25–55 | 241–360 | 2900 | 665 | CurvePDF |
| HP42-8×2 | HP42 | 8 | 50 | 60 | 25–55 | 252–380 | 2900 | 815 | CurvePDF |
| HP42-9×2 | HP42 | 9 | 50 | 74 | 25–55 | 282–428 | 2900 | 895 | CurvePDF |
| HP42-10×2 | HP42 | 10 | 50 | 74 | 25–55 | 317–476 | 2900 | 905 | CurvePDF |
| HP42-11×2 | HP42 | 11 | 50 | 90 | 25–55 | 348–526 | 2900 | 1040 | CurvePDF |
| HP42-12×2 | HP42 | 12 | 50 | 90 | 25–55 | 380–576 | 2900 | 1055 | CurvePDF |
| HP42-13×2 | HP42 | 13 | 50 | 110 | 25–55 | 412–624 | 2900 | 1270 | CurvePDF |
| HP42-14×2 | HP42 | 14 | 50 | 110 | 25–55 | 443–672 | 2900 | 1285 | CurvePDF |
| HP42-15×2 | HP42 | 15 | 50 | 110 | 25–55 | 475–718 | 2900 | 1295 | CurvePDF |
| HP32-10 | HP32 | 10 | 60 | 37 | 20–48 | 146–258 | 3500 | 440 | CurvePDF |
| HP32-11 | HP32 | 11 | 60 | 37 | 20–48 | 161–284 | 3500 | 445 | CurvePDF |
| HP32-12 | HP32 | 12 | 60 | 37 | 20–48 | 176–310 | 3500 | 450 | CurvePDF |
| HP32-7×2 | HP32 | 7 | 60 | 44 | 20–48 | 205–362 | 3500 | 650 | CurvePDF |
| HP32-8×2 | HP32 | 8 | 60 | 60 | 20–48 | 234–413 | 3500 | 790 | CurvePDF |
| HP32-9×2 | HP32 | 9 | 60 | 60 | 20–48 | 263–465 | 3500 | 800 | CurvePDF |
| HP32-10×2 | HP32 | 10 | 60 | 74 | 20–48 | 293–517 | 3500 | 845 | CurvePDF |
| HP32-11×2 | HP32 | 11 | 60 | 74 | 20–48 | 322–568 | 3500 | 855 | CurvePDF |
| HP32-12×2 | HP32 | 12 | 60 | 74 | 20–48 | 351–620 | 3500 | 865 | CurvePDF |
| HP42-8 | HP42 | 8 | 60 | 55 | 30–65 | 184–274 | 3500 | 615 | CurvePDF |
| HP42-9 | HP42 | 9 | 60 | 55 | 30–65 | 207–308 | 3500 | 620 | CurvePDF |
| HP42-5×2 | HP42 | 5 | 60 | 60 | 30–65 | 230–342 | 3500 | 765 | CurvePDF |
| HP42-6×2 | HP42 | 6 | 60 | 74 | 30–65 | 275–411 | 3500 | 845 | CurvePDF |
| HP42-7×2 | HP42 | 7 | 60 | 90 | 30–65 | 321–479 | 3500 | 970 | CurvePDF |
| HP42-8×2 | HP42 | 8 | 60 | 110 | 30–65 | 367–548 | 3500 | 1180 | CurvePDF |
| HP42-9×2 | HP42 | 9 | 60 | 110 | 30–65 | 413–616 | 3500 | 1190 | CurvePDF |
Performance range
Every model of the HP 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.
- HP32
- HP42
Logarithmic scales. Published catalogue data for clean water; the correct model for your duty is confirmed by our engineers.
Dimensions & weight
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) | L1 | L2 | L3 | L4 | L5 | L6 | L8 |
|---|---|---|---|---|---|---|---|---|---|
| HP32-17 | 50 | 485 | 2446 | 734 | 1040 | 1040 | 2260 | 420 | 330 |
| HP32-18 | 50 | 490 | 2516 | 734 | 1075 | 1075 | 2330 | 420 | 330 |
| HP32-19 | 50 | 500 | 2586 | 734 | 1110 | 1110 | 2400 | 420 | 330 |
| HP32-10×2 | 50 | 620 | 1856 | 653 | 755 | 755 | 1689 | 816 | 796 |
| HP32-11×2 | 50 | 695 | 1956 | 658 | 792 | 792 | 1764 | 870 | 821 |
| HP32-12×2 | 50 | 705 | 2026 | 658 | 827 | 827 | 1834 | 870 | 821 |
| HP32-13×2 | 50 | 850 | 2166 | 734 | 900 | 900 | 1980 | 946 | 860 |
| HP32-14×2 | 50 | 860 | 2236 | 734 | 935 | 935 | 2050 | 946 | 860 |
| HP32-15×2 | 50 | 870 | 2306 | 734 | 970 | 970 | 2120 | 946 | 860 |
| HP32-16×2 | 50 | 880 | 2376 | 734 | 1005 | 1005 | 2190 | 946 | 860 |
| HP32-17×2 | 50 | 945 | 2446 | 734 | 1040 | 1040 | 2260 | 946 | 860 |
| HP32-18×2 | 50 | 955 | 2516 | 734 | 1075 | 1075 | 2330 | 946 | 860 |
| HP32-19×2 | 50 | 965 | 2586 | 734 | 1110 | 1110 | 2400 | 946 | 860 |
| HP42-14 | 50 | 660 | 2525 | 868 | 1078 | 1078 | 2333 | 510 | 350 |
| HP42-15 | 50 | 665 | 2605 | 868 | 1118 | 1118 | 2413 | 510 | 350 |
| HP42-8×2 | 50 | 815 | 1916 | 744 | 777 | 777 | 1729 | 946 | 880 |
| HP42-9×2 | 50 | 895 | 1996 | 744 | 817 | 817 | 1809 | 946 | 880 |
| HP42-10×2 | 50 | 905 | 2076 | 744 | 857 | 857 | 1889 | 946 | 880 |
| HP42-11×2 | 50 | 1040 | 2195 | 771 | 910 | 910 | 1996 | 1020 | 920 |
| HP42-12×2 | 50 | 1055 | 2275 | 771 | 950 | 950 | 2076 | 1020 | 920 |
| HP42-13×2 | 50 | 1270 | 2445 | 868 | 1038 | 1038 | 2253 | 1130 | 970 |
| HP42-14×2 | 50 | 1285 | 2525 | 868 | 1078 | 1078 | 2333 | 1130 | 970 |
| HP42-15×2 | 50 | 1295 | 2605 | 868 | 1118 | 1118 | 2413 | 1130 | 970 |
| HP32-10 | 60 | 440 | 1956 | 734 | 795 | 795 | 1770 | 420 | 330 |
| HP32-11 | 60 | 445 | 2026 | 734 | 830 | 830 | 1840 | 420 | 330 |
| HP32-12 | 60 | 450 | 2096 | 734 | 865 | 865 | 1910 | 420 | 340 |
| HP32-7×2 | 60 | 650 | 1676 | 658 | 652 | 652 | 1484 | 870 | 821 |
| HP32-8×2 | 60 | 790 | 1816 | 734 | 725 | 725 | 1630 | 946 | 860 |
| HP32-9×2 | 60 | 800 | 1886 | 734 | 760 | 760 | 1700 | 946 | 860 |
| HP32-10×2 | 60 | 845 | 1956 | 734 | 795 | 795 | 1770 | 946 | 860 |
| HP32-11×2 | 60 | 855 | 2026 | 734 | 830 | 830 | 1840 | 946 | 860 |
| HP32-12×2 | 60 | 865 | 2096 | 734 | 865 | 865 | 1910 | 946 | 860 |
| HP42-8 | 60 | 615 | 2045 | 868 | 838 | 838 | 1853 | 510 | 350 |
| HP42-9 | 60 | 620 | 2125 | 868 | 878 | 878 | 1933 | 510 | 350 |
| HP42-5×2 | 60 | 765 | 1676 | 744 | 657 | 657 | 1489 | 946 | 880 |
| HP42-6×2 | 60 | 845 | 1756 | 744 | 697 | 697 | 1569 | 946 | 880 |
| HP42-7×2 | 60 | 970 | 1875 | 771 | 750 | 750 | 1676 | 1020 | 920 |
| HP42-8×2 | 60 | 1180 | 2045 | 868 | 838 | 838 | 1853 | 1130 | 970 |
| HP42-9×2 | 60 | 1190 | 2125 | 868 | 878 | 878 | 1933 | 1130 | 970 |
Spare parts for HP
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 | Base | Stainless steel | AISI304 | All sizes | |
| 2 | Bottom bearing | — | — | All sizes | |
| 3 | Chamber | Stainless steel | AISI304 | All sizes | |
| 4 | Impeller | Stainless steel | AISI304 | All sizes | |
| 5 | Intermediate bearing | — | — | All sizes | |
| 6 | Outer sleeve | Stainless steel | AISI304 | All sizes | |
| 7 | Exchange chamber | Stainless steel | AISI304 | All sizes | |
| 8 | Exchange chamber bearing | — | — | All sizes | |
| 9 | Support reverse chamber | Stainless steel | AISI304 | All sizes | |
| 10 | Reverse chamber | Stainless steel | AISI304 | All sizes | |
| 11 | Reverse impeller | Stainless steel | AISI304 | All sizes | |
| 12 | Inducer | Stainless steel | AISI304 | All sizes | |
| 13 | Inlet and outlet chamber | Stainless steel | AISI304 | All sizes | |
| 14 | Mechanical seal | — | — | All sizes | |
| 15 | Pump shaft | Stainless steel | AISI304 / AISI431 | All sizes | |
| 16 | Bracket | Cast iron | ASTM25B | All sizes | |
| 17 | Coupling | Carbon steel | — | All sizes | |
| 18 | Motor | — | — | All sizes |
Technical data
Liquid temperature
- -15 to +70 °C (normal type); hot-water type -15 to +120 °C
Ambient conditions
- Up to 40 °C and 1000 m altitude
Motor
- TEFC motor, IP55, insulation class F; two-pole standard motors
Supply voltage
- 3 x 380-415 V
- 3 x 220-240 / 380-415 V
- 3 x 200-220 / 346-380 V
- 1 x 220-230 / 240 V
- 3 x 200-230 / 346-400 V
- 3 x 220-255 / 380-440 V
- 3 x 220-277 / 380-480 V
Typical applications
- Water treatment: ultra-filter system, R/O system
- Booster system
- High-pressure flushing system
- Water supply
Pumped liquid
- Thin, clean, non-flammable and non-explosive liquid without solid granules or fibres
Data basis
- 50 Hz, 2900/2950 rpm, 20 °C air-free clean water, kinematic viscosity 1 mm²/s; curve tolerance ISO 9906:2012 Grade 3B
- 60 Hz, 3500/3540 rpm, 20 °C air-free clean water, kinematic viscosity 1 mm²/s; curve tolerance ISO 9906:2012 Grade 3B
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.
Other high-pressure pumps
VMHP (R/O high-pressure)
High-pressure seawater desalination pump
- Flow 5–540 m³/h
- Head up to 725 m
- 60–1120 kW


