Multistage Pump
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- Flow range: 3.75-185m3/h
- Head range: 55-666m
- Speed: 2950r/min
- Diameter range: DN40-DN300
- Working pressure: ≤0.6Mpa
- Working temperature: 0℃~80℃
The D series multistage pump is a horizontal and multistage pump. It uses several impellers in order to significantly improve the pump head.
This pump series is traditionally used to convey liquids that are similar to clean water- as in they contain no solids, and the drainage features a solid particle content that is 2% less, and any solid particles are smaller than 0.5mm. This makes it ideal for use in mines, steel mills, and urban water supply and drainage projects.
Optional modelsModel | Impeller number | Speed (r/min) | Flow rate (m3/h) | Flow rate (L/S) | Head (m) | Efficiency (%) | Shaft power (KW) | Motor power (kW) | NPSH (m) | |
D6-25×3 | 3 | 2950 | 3.75 | 1.04 | 76.5 | 33 | 2.37 | 5.5 | 2 | |
6.3 | 1.75 | 75 | 45 | 2.86 | 2 | |||||
7.5 | 2.08 | 73.5 | 47 | 3.19 | 2.5 | |||||
D6-25×4 | 4 | 2950 | 3.75 | 1.04 | 102 | 33 | 3.16 | 7.5 | 2 | |
6.3 | 1.75 | 100 | 45 | 3.81 | 2 | |||||
7.5 | 2.08 | 98 | 47 | 4.26 | 2.5 | |||||
D6-25×5 | 5 | 2950 | 3.75 | 1.04 | 127.5 | 33 | 3.95 | 7.5 | 2 | |
6.3 | 1.75 | 125 | 45 | 4.77 | 2 | |||||
7.5 | 2.08 | 122.5 | 47 | 5.32 | 2.5 | |||||
D6-25×6 | 6 | 2950 | 3.75 | 1.04 | 153 | 33 | 4.73 | 11 | 2 | |
6.3 | 1.75 | 150 | 45 | 5.72 | 2 | |||||
7.5 | 2.08 | 147 | 47 | 6.39 | 2.5 | |||||
D6-25×7 | 7 | 2950 | 3.75 | 1.04 | 178.5 | 33 | 5.52 | 11 | 2 | |
6.3 | 1.75 | 175 | 45 | 6.67 | 2 | |||||
7.5 | 2.08 | 171.5 | 47 | 7.45 | 2.5 | |||||
D6-25×8 | 8 | 2950 | 3.75 | 1.04 | 204 | 33 | 6.31 | 15 | 2 | |
6.3 | 1.75 | 200 | 45 | 7.63 | 2 | |||||
7.5 | 2.08 | 196 | 47 | 8.58 | 2.5 | |||||
D6-25×9 | 9 | 2950 | 3.75 | 1.04 | 229.5 | 33 | 7.1 | 15 | 2 | |
6.3 | 1.75 | 225 | 45 | 8.52 | 2 | |||||
7.5 | 2.08 | 220.5 | 47 | 9058 | 2.5 | |||||
D6-25×10 | 10 | 2950 | 3.75 | 1.04 | 255 | 33 | 7.89 | 18.5 | 2 | |
6.3 | 1.75 | 250 | 45 | 9.53 | 2 | |||||
7.5 | 2.08 | 245 | 47 | 10.63 | 2.5 | |||||
D6-25×11 | 11 | 2950 | 3.75 | 1.04 | 280.5 | 33 | 8.68 | 18.5 | 2 | |
6.3 | 1.75 | 275 | 45 | 10.5 | 2 | |||||
7.5 | 2.08 | 269.5 | 47 | 11.71 | 2.5 | |||||
D6-25×12 | 12 | 2950 | 3.75 | 1.04 | 306 | 33 | 9.47 | 18.5 | 2 | |
6.3 | 1.75 | 300 | 45 | 11.44 | 2 | |||||
7.5 | 2.08 | 294 | 47 | 12.78 | 2.5 | |||||
D12-25×3 | 3 | 2950 | 7.5 | 2.08 | 84.6 | 44 | 3.93 | 7.5 | 2 | |
12.5 | 3.47 | 75 | 54 | 4.73 | 2 | |||||
15 | 4.17 | 69 | 53 | 5.37 | 2.5 | |||||
D12-25×4 | 4 | 2950 | 7.5 | 2.08 | 112.8 | 44 | 5.24 | 11 | 2 | |
12.5 | 3.47 | 100 | 54 | 6.3 | 2 | |||||
15 | 4.17 | 92 | 53 | 7.09 | 2.5 | |||||
D12-25×5 | 5 | 2950 | 7.5 | 2.08 | 141 | 44 | 6.55 | 11 | 2 | |
12.5 | 3.47 | 125 | 54 | 7.88 | 2 | |||||
15 | 4.17 | 115 | 53 | 8.86 | 2.5 | |||||
D12-25×6 | 6 | 2950 | 7.5 | 2.08 | 169.2 | 44 | 7.85 | 15 | 2 | |
12.5 | 3.47 | 150 | 54 | 9.46 | 2 | |||||
15 | 4.17 | 138 | 53 | 10.64 | 2.5 | |||||
D12-25×7 | 7 | 2950 | 7.5 | 2.08 | 197.4 | 44 | 9.16 | 15 | 2 | |
12.5 | 3.47 | 175 | 54 | 11 | 2 | |||||
15 | 4.17 | 161 | 53 | 12.41 | 2.5 | |||||
D12-25×8 | 8 | 2950 | 7.5 | 2.08 | 225.6 | 44 | 10.47 | 18.5 | 2 | |
12.5 | 3.47 | 200 | 54 | 12.51 | 2 | |||||
15 | 4.17 | 184 | 53 | 14.18 | 2.5 | |||||
D12-25×9 | 9 | 2950 | 7.5 | 2.08 | 253.8 | 44 | 11.78 | 18.5 | 2 | |
12.5 | 3.47 | 225 | 54 | 14.18 | 2 | |||||
15 | 4.17 | 207 | 53 | 15.95 | 2.5 | |||||
D12-25×10 | 10 | 2950 | 7.5 | 2.08 | 282 | 44 | 13.09 | 22 | 2 | |
12.5 | 3.47 | 250 | 54 | 15.76 | 2 | |||||
15 | 4.17 | 230 | 53 | 17.73 | 2.5 | |||||
D12-25×11 | 11 | 2950 | 7.5 | 2.08 | 310.2 | 44 | 14.4 | 22 | 2 | |
12.5 | 3.47 | 275 | 54 | 17.34 | 2 | |||||
15 | 4.17 | 253 | 53 | 19.5 | 2.5 | |||||
D12-25×12 | 12 | 2950 | 7.5 | 2.08 | 338.4 | 44 | 15.7 | 30 | 2 | |
12.5 | 3.47 | 300 | 54 | 18.9 | 2 | |||||
15 | 4.17 | 276 | 53 | 27.3 | 2.5 | |||||
D25-30×3 | 3 | 2950 | 15 | 4.17 | 102 | 50 | 8.33 | 15 | 2.2 | |
25 | 6.94 | 90 | 62 | 9.88 | 2.2 | |||||
30 | 8.33 | 82.6 | 63 | 10.7 | 2.6 | |||||
D25-30×4 | 4 | 2950 | 15 | 4.17 | 136 | 50 | 11.11 | 18.5 | 2.2 | |
25 | 6.94 | 120 | 62 | 13.1 | 2.2 | |||||
30 | 8.33 | 110 | 63 | 14.26 | 2.6 | |||||
D25-30×5 | 5 | 2950 | 15 | 4.17 | 170 | 50 | 13.89 | 22 | 2.2 | |
25 | 6.94 | 150 | 62 | 16.47 | 2.2 | |||||
30 | 8.33 | 137.5 | 63 | 17.83 | 2.6 | |||||
D25-30×6 | 6 | 2950 | 15 | 4.17 | 204 | 50 | 16.67 | 30 | 2.2 | |
25 | 6.94 | 180 | 62 | 19.77 | 2.2 | |||||
30 | 8.33 | 165 | 63 | 21.4 | 2.6 | |||||
D25-30×7 | 7 | 2950 | 15 | 4.17 | 238 | 50 | 19.44 | 30 | 2.2 | |
25 | 6.94 | 210 | 62 | 23.1 | 2.2 | |||||
30 | 8.33 | 192.5 | 63 | 24.9 | 2.6 | |||||
D25-30×8 | 8 | 2950 | 15 | 4.17 | 272 | 50 | 22.22 | 37 | 2.2 | |
25 | 6.94 | 240 | 62 | 26.4 | 2.2 | |||||
30 | 8.33 | 220 | 63 | 28.53 | 2.6 | |||||
D25-30×9 | 9 | 2950 | 15 | 4.17 | 306 | 50 | 25 | 37 | 2.2 | |
25 | 6.94 | 270 | 62 | 29.65 | 2.2 | |||||
30 | 8.33 | 247.5 | 63 | 32.1 | 2.6 | |||||
D25-30×10 | 10 | 2950 | 15 | 4.17 | 340 | 50 | 27.8 | 45 | 2.2 | |
25 | 6.94 | 300 | 62 | 32.9 | 2.2 | |||||
30 | 8.33 | 275 | 63 | 35.7 | 2.6 | |||||
D46-30×3 | 3 | 2950 | 30 | 8.33 | 102 | 64 | 13.02 | 22 | 2.4 | |
46 | 12.5 | 90 | 70 | 16.11 | 3 | |||||
55 | 15.3 | 81 | 68 | 17.84 | 4.6 | |||||
D46-30×4 | 4 | 2950 | 30 | 8.33 | 136 | 64 | 17.36 | 30 | 2.4 | |
46 | 12.8 | 120 | 70 | 21.48 | 3 | |||||
55 | 15.3 | 108 | 68 | 23.79 | 4.6 | |||||
D46-30×5 | 5 | 2950 | 30 | 8.33 | 170 | 64 | 21.7 | 37 | 2.4 | |
46 | 12.8 | 150 | 70 | 26.85 | 3 | |||||
55 | 15.3 | 135 | 68 | 29.74 | 4.6 | |||||
D46-30×6 | 6 | 2950 | 30 | 8.33 | 204 | 64 | 26.04 | 37 | 2.4 | |
46 | 12.8 | 180 | 70 | 32.21 | 3 | |||||
55 | 15.3 | 162 | 68 | 35.68 | 4.6 | |||||
D46-30×7 | 7 | 2950 | 30 | 8.33 | 238 | 64 | 30.38 | 45 | 2.4 | |
46 | 12.8 | 210 | 70 | 37.58 | 3 | |||||
55 | 15.3 | 189 | 68 | 41.63 | 4.6 | |||||
D46-30×8 | 8 | 2950 | 30 | 8.33 | 274 | 64 | 34.72 | 55 | 2.4 | |
46 | 12.8 | 240 | 70 | 42.95 | 3 | |||||
55 | 15.3 | 216 | 68 | 47.58 | 4.6 | |||||
D46-30×9 | 9 | 2950 | 30 | 8.33 | 306 | 64 | 39.06 | 55 | 2.4 | |
46 | 12.8 | 270 | 70 | 48.32 | 3 | |||||
55 | 15.3 | 243 | 68 | 53.53 | 4.6 | |||||
D46-30×10 | 10 | 2950 | 30 | 8.33 | 340 | 64 | 43.4 | 75 | 2.4 | |
46 | 12.8 | 300 | 70 | 53.69 | 3 | |||||
55 | 15.3 | 270 | 344 | 59.47 | 4.6 | |||||
D46-50×3 | 3 | 2950 | 30 | 8.33 | 166.5 | 54 | 25.19 | 37 | 2.5 | |
46 | 12.8 | 150 | 63 | 29.83 | 2.8 | |||||
55 | 15.3 | 138 | 64 | 32.3 | 3.2 | |||||
D46-50×4 | 4 | 2950 | 30 | 8.33 | 222 | 54 | 33.59 | 45 | 2.5 | |
46 | 12.8 | 200 | 63 | 39.77 | 2.8 | |||||
55 | 15.3 | 184 | 64 | 43.06 | 3.2 | |||||
D46-50×5 | 5 | 2950 | 30 | 8.33 | 277.5 | 54 | 41.98 | 55 | 2.5 | |
46 | 12.8 | 250 | 63 | 49.71 | 2.8 | |||||
55 | 15.3 | 230 | 64 | 53.83 | 3.2 | |||||
D46-50×6 | 6 | 2950 | 30 | 8.33 | 333 | 54 | 50.38 | 75 | 2.5 | |
46 | 12.8 | 300 | 63 | 59.65 | 2.8 | |||||
55 | 15.3 | 276 | 64 | 64.59 | 3.2 | |||||
D46-50×7 | 7 | 2950 | 30 | 8.33 | 388.5 | 54 | 58.78 | 75 | 2.5 | |
46 | 12.8 | 250 | 63 | 69.6 | 2.8 | |||||
55 | 15.3 | 322 | 64 | 72.36 | 90 | 3.2 | ||||
D46-50×8 | 8 | 2950 | 30 | 8.33 | 440 | 54 | 67.18 | 90 | 2.5 | |
46 | 12.8 | 400 | 63 | 79.54 | 2.8 | |||||
55 | 15.3 | 368 | 64 | 86.12 | 3.2 | |||||
D46-50×9 | 9 | 2950 | 30 | 8.33 | 499.5 | 54 | 75.57 | 110 | 2.5 | |
46 | 12.8 | 450 | 63 | 89.48 | 2.8 | |||||
55 | 15.3 | 414 | 64 | 96.89 | 3.2 | |||||
D46-50×10 | 10 | 2950 | 30 | 8.33 | 555 | 54 | 83.97 | 110 | 2.5 | |
46 | 12.8 | 500 | 63 | 99.42 | 2.8 | |||||
55 | 15.3 | 460 | 64 | 107.66 | 3.2 | |||||
D46-50×11 | 11 | 2950 | 30 | 8.33 | 610.5 | 54 | 92.37 | 132 | 2.5 | |
46 | 12.8 | 550 | 63 | 109.36 | 2.8 | |||||
55 | 15.3 | 506 | 64 | 118.42 | 3.2 | |||||
D46-50×12 | 12 | 2950 | 30 | 8.33 | 666 | 54 | 100.8 | 132 | 2.5 | |
46 | 12.8 | 600 | 63 | 119.8 | 2.8 | |||||
55 | 15.3 | 552 | 64 | 129.2 | 3.2 | |||||
D85-45×2 | 2 | 2950 | 55 | 15.3 | 102 | 63 | 24.25 | 37 | 3.2 | |
85 | 23.6 | 90 | 72 | 28.94 | 4.2 | |||||
100 | 27.8 | 78 | 70 | 30.35 | 5.2 | |||||
D85-45×3 | 3 | 2950 | 55 | 15.3 | 153 | 63 | 36.38 | 55 | 3.2 | |
85 | 23.6 | 135 | 72 | 43.3 | 4.2 | |||||
100 | 27.8 | 117 | 70 | 45.52 | 5.2 | |||||
D85-45×4 | 4 | 2950 | 55 | 15.3 | 204 | 63 | 48.5 | 75 | 3.2 | |
85 | 23.6 | 180 | 72 | 57.87 | 4.2 | |||||
100 | 27.8 | 156 | 70 | 60.7 | 5.2 | |||||
D85-45×5 | 5 | 2950 | 55 | 15.3 | 255 | 63 | 60.63 | 90 | 3.2 | |
85 | 23.6 | 225 | 72 | 72.34 | 4.2 | |||||
100 | 27.8 | 195 | 70 | 75.86 | 5.2 | |||||
D85-45×6 | 6 | 2950 | 55 | 15.3 | 306 | 63 | 72.75 | 110 | 3.2 | |
85 | 23.6 | 270 | 72 | 86.81 | 4.2 | |||||
100 | 27.8 | 234 | 70 | 91.04 | 5.2 | |||||
D85-45×7 | 7 | 2950 | 55 | 15.3 | 357 | 63 | 84.88 | 132 | 3.2 | |
85 | 23.6 | 315 | 72 | 101.3 | 4.2 | |||||
100 | 27.8 | 273 | 70 | 106.2 | 5.2 | |||||
D85-45×8 | 8 | 2950 | 55 | 15.3 | 408 | 63 | 97 | 132 | 3.2 | |
85 | 23.6 | 360 | 72 | 115.7 | 4.2 | |||||
100 | 27.8 | 312 | 70 | 121.4 | 5.2 | |||||
D85-45×9 | 9 | 2950 | 55 | 15.3 | 459 | 63 | 109.1 | 160 | 3.2 | |
85 | 23.6 | 405 | 72 | 130.2 | 4.2 | |||||
100 | 27.8 | 351 | 70 | 136.6 | 5.2 | |||||
D155-30×2 | 2 | 1480 | 100 | 27.8 | 65 | 64 | 27.66 | 55 | 3.2 | |
155 | 43 | 60 | 75 | 33.77 | 3.9 | |||||
185 | 51.4 | 55 | 75 | 36.95 | 4.8 | |||||
D155-30×3 | 3 | 1480 | 100 | 27.8 | 97.5 | 64 | 41.2 | 75 | 3.2 | |
155 | 43 | 90 | 75 | 50.65 | 3.9 | |||||
185 | 51.4 | 82.5 | 75 | 55.4 | 4.8 | |||||
D155-30×4 | 4 | 1480 | 100 | 27.8 | 130 | 64 | 55.32 | 90 | 3.2 | |
155 | 43 | 120 | 75 | 67.54 | 3.9 | |||||
185 | 51.4 | 110 | 75 | 73.9 | 4.8 |
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