Details
DG and ZDG pumps are multi-stage centrifugal pumps for medium-pressure boiler water supply. It can also be used to deliver liquids like media.
DG type pump inlet is horizontal and discharge outlet is vertical. The ZDG pump inlet and outlet are vertically upwards. The shaft seal of the pump is a soft packing seal. The rotor of the pump is supported by a rolling bearing and grease is lubricated. From the drive direction, the pump rotates clockwise.
Performance range:
flow (Q): 25~180m³/h
Head (H): 270~700m
The conveying medium does not exceed 105°C.
Model Description:
DG
Multi-stage boiler feed pump
36
Design point flow (m³/h)
-5
Single stage lift (m)
-7
Pump stage
4
Department design number
ZDG
Medium pressure boiler feed pump
X7
Pump stage
| Param | Capacity (Q) | Head (H) | Speed (n) | Eff (η) | NPSHr | Shaft power (Pa) | Motor | |
| Power | Type | |||||||
| Type | m³/h | m | r/min | % | m | kW | kW | |
| 4ZDGx6 | 36 46 53 |
327 300 270 |
2950 | 63 66 63 |
3.2 3.62 4 |
50.88 56.95 61.85 |
75 | Y280S-2 |
| 4ZDGx7 | 36 46 52.3 |
381.5 350 315 |
2950 | 63 66 63 |
3.2 3.62 4 |
59.37 66.44 72.17 |
90 | Y280A-2 |
| 4ZDGx8 | 36 46 53 |
436 400 360 |
2950 | 63 66 63 |
3.2 3.62 4 |
67.85 75.93 82.48 |
100 | JK112-2 |
| 4ZDGx9 | 36 46 53 |
490.5 450 405 |
2950 | 63 66 63 |
3.2 3.62 4 |
76.33 85.42 82.78 |
125 | JK112-2 |
| 4ZDGx10 | 36 46 53 |
545 500 450 |
2950 | 63 66 63 |
3.2 3.62 4 |
84.81 94.9 103.1 |
125 | JK112-2 |
| 5ZDGx5 | 64.8 85 94 |
359 335 316 |
2950 | 59 64 64 |
5.5 7.5 8.5 |
107.7 122 137.1 |
125 | JK112-2 |
| 5ZDGx6 | 64.8 85 94 |
430 402 380 |
2950 | 59 64 64 |
5.5 7.5 8.5 |
128.6 146 152 |
150 | JK113-2 |
| 5ZDGx7 | 64.8 85 94 |
502 469 443 |
2950 | 59 64 64 |
5.5 7.5 8.5 |
150.1 170 177.2 |
180 | JK122-2 |
| 5ZDGx8 | 64.8 85 94 |
574 536 506 |
2950 | 59 64 64 |
5.5 7.5 8.5 |
171.2 194 202.4 |
220 | JK132-2 |
| 5ZDGx9 | 64.8 85 94 |
646 603 570 |
2950 | 59 64 64 |
5.5 7.5 8.5 |
193.2 218 228 |
275 | JK124-2 |
| 6ZDGx5 | 124 155 180 |
373 335 295 |
2950 | 72 73 68 |
3.7 5.0 5.8 |
175 193 213 |
220 | JK123-2 |
| 6ZDGx6 | 124 155 180 |
448 402 354 |
2950 | 72 73 68 |
3.7 5.0 5.8 |
210 233 255 |
290 | JK133-2 |
| 6ZDGx7 | 124 155 180 |
552 469 413 |
2950 | 72 73 68 |
3.7 5.0 5.8 |
259 271 298 |
350 | JK134-2 |
| 6ZDGx8 | 124 155 180 |
597 536 472 |
2950 | 72 73 68 |
3.7 5.0 5.8 |
280 310 340 |
440 | JK134-2 |
| 6ZDGx9 | 124 155 180 |
672 603 531 |
2950 | 72 73 68 |
3.7 5.0 5.8 |
315 349 385 |
440 | JK134-2 |
| DG36-50X7 | 28.8 32.4 36 |
370 367 363 |
2950 | 53 54 55 |
6.3 | 54.8 60.0 64.7 |
75 | Y280S-2 |
| DG36-50x8 | 28.8 32.4 36 |
423 419 415 |
2950 | 53 54 55 |
6.3 | 62.8 68.5 74 |
90 | Y280M-2 |
| DG36-50x9 | 28.8 32.4 36 |
476 472 467 |
2950 | 53 54 55 |
6.3 | 70.4 77.1 83.2 |
110 | Y315S-2 |
| DG36-50x10 | 28.8 32.4 36 |
529 524 519 |
2950 | 53 54 55 |
6.3 | 78.2 85.6 82.5 |
110 | Y315S-2 |
| DG45-59 | 45 | 618 | 2950 | 54 | 7 | 185 | JK122-2 | |
| DG72-59 | 64.8 | 605 | 2950 | 47.3 | 7.8 | 290 | JK132-2 | |
| DG 150-59 | 140.4 | 605 | 2950 | 58.5 | 6.7 | 440 | JK134-2 | |
Parameters
Model
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