DG Centrifugal Pump
Product name:DG Centrifugal Pump
Model:DG Centrifugal Pump
Application:DG horizontal multistage boiler feed pump uses state recommended hydraulic model of energy-efficient products. With high efficiency, wide range of performance, safety and smooth operation, low noise, long life, easy installation and maintenance.
Product overview
DG horizontal multistage boiler feed pump Overview:
DG horizontal multistage boiler feed pump uses state recommended hydraulic model of energy-efficient products. With high efficiency, wide range of performance, safety and smooth operation, low noise, long life, easy installation and maintenance.
DG horizontal multistage boiler feed pump, suitable for medium and low pressure boiler feed water, plants, urban high lift water. Except for conveying water or physical and chemical properties similar to liquid water, these two pumping medium temperature of -20 ℃ ~ 105 ℃ (DG85-80,200DG43, these two pumping medium temperature of -20 ℃ ~ 105 ℃ ). The pressure in the pump inlet must not exceed 0.59MPa (6kgf / cm2).
DG horizontal multistage boiler feed pump structure type:
DG horizontal multistage boiler feed pump inlet and outlet are vertically upward, by tightening bolts to pump water segment, the middle, the water segment, bearing body coupled integral part of the pump housing. Select the pump series based on the pump head.
This series of multi-stage pump rotor part by the shaft and mounted impeller, bushings, balance disc and other parts along an axis, wherein the number of the pump impeller according to the number of stages may be. Shaft parts with flat keys and shaft nuts so that the shaft together as one. Rolling across both ends of the rotor or sliding bearing. Bearing according to different models may be, are not subjected to axial force, the axial force on the balance disc balance. Pump allows the rotor during operation of the pump housing in axial swimming, you can not use radial ball bearings. Rolling bearings with grease lubricated plain bearings with oil lubrication and oil ring self-lubricating, circulating water cooling.
Pump water segment, the middle of the sealing surface, the water between segments are made of molybdenum disulfide grease sealed with sealing ring between the rotor portion and the fixed portion, the guide vane sets, etc. sealed, when the seal ring and the guide vane sets It should be replaced when the wear has affected the performance of the pump.
Seal in the form of a mechanical shaft seal and packing seal two. When the pump packing, packing ring placed position to be correct, the tightness of the filler must be appropriate, in order to be able to drop by drop liquid oozing appropriate.
DG horizontal multistage boiler feed pump parameters:
Flow rate Q 3.75 ~ 720m3 / h
Head H 50 ~ 1500m
DG horizontal multistage boiler feed pump Model Description:
DG25-50 × 3
DG- single suction, multistage boiler feed pump
25- flow (m3 / h)
50- single-stage pump head (m)
3- pump series
40DGⅠ40 × 3
40- pump inlet diameter (mm)
DG- single suction, multistage boiler feed pump
40- single-stage pump head (m)
3- pump series
DG horizontal multistage boiler feed pump rotation:
From the motor, the pump is clockwise.
DG horizontal multistage boiler feed pump sets:
Complete supply of pumps, motors, check valves, valve, utility base or base, the pump is clockwise rotation.
| type | flow Q |
range H |
Rotational speed n |
Shaft power Pa |
Electric motor | Efficiency n |
Steam eclipse amount | Impeller diameter | Imported caliber | Outlet diameter | Weight | ||
| m3/h | L/s | m | r/min | kw | power/kw | TYPE | % | m | mm | mm | mm | kg | |
| 1100-85*10 | 850 1100 1350 |
236.11 305.56 375 |
862 850 816 |
1450 | 2435 3266.5 3848.5 |
4500 | Y2-710-4-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*9 | 850 1100 1350 |
236.11 305.56 375 |
777 765 731 |
1450 | 2194.8 2730 3447.6 |
4000 | Y2-710-3-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*8 | 850 1100 1350 |
236.11 305.56 375 |
692 680 646 |
1450 | 1954.7 2426.5 3046.8 |
3550 | Y2-710-2-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*7 | 850 1100 1350 |
236.11 305.56 375 |
607 595 561 |
1450 | 3150 | 3150 | Y2-710-1-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*6 | 850 1100 1350 |
236.11 305.56 375 |
500 510 476 |
1450 | 1474.5 1820 2245 |
2500 | Y2-6301-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*5 | 850 1100 1350 |
236.11 305.56 375 |
437 425 391 |
1450 | 1234.4 1516.6 1844.1 |
2000 | Y2-5603-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*4 | 850 1100 1350 |
236.11 305.56 375 |
352 340 306 |
1450 | 994.3 1213.3 1443.2 |
1600 | Y2-5601-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 1100-85*3 | 850 1100 1350 |
236.11 305.56 375 |
267 255 221 |
1450 | 754.2 910 1042.3 |
1250 | Y2-5003-4 | 82 84 78 |
7.0 | 550 | 0 | ||
| 580-60*10 | 450 580 638 |
125 161.1 177.2 |
650 600 550 |
1480 | 995 1147 1183 |
1250 | Y2-5003-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*9 | 450 580 638 |
125 161.1 177.2 |
585 540 495 |
1480 | 896 1033 1064 |
1250 | Y2-5003-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*8 | 450 580 638 |
125 161.1 177.2 |
520 480 440 |
1480 | 796 918 946 |
1120 | Y2-5003-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*7 | 450 580 638 |
125 161.1 177.2 |
455 420 385 |
1480 | 697 803 828 |
900 | Y2-5002-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*6 | 450 580 638 |
125 161.1 177.2 |
390 360 330 |
1480 | 597 689 709 |
800 | Y2-4503-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*5 | 450 580 638 |
125 161.1 177.2 |
325 300 275 |
1480 | 498 574 591 |
710 | Y2-4502-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*4 | 450 580 638 |
125 161.1 177.2 |
260 240 220 |
1480 | 398 459 473 |
560 | Y2-4005-4 | 80 82.5 81 |
3.16 4.84 5.16 |
455 | 0 | ||
| 580-60*3 | 450 580 638 |
125 161.1 177.2 |
195 180 165 |
1480 | 299 344 355 |
450 | Y2-4003-4(6KV) | 80 82.5 81 |
3016 4.84 5.16 |
455 | 0 | ||
| 640-80*10 | 530 640 760 |
147.2 177.8 211.1 |
904 800 672 |
1480 | 1763.26 1787.61 1806.30 |
2240 | Y2-6301-4 | 74 78 77 |
7.2 | 495 | 0 | ||
| 640-80*9 | 530 640 760 |
147.2 177.8 211.1 |
813.6 720 604.8 |
1480 | 1586.91 1608.85 1625.67 |
2000 | Y2-5603-4 | 74 78 77 |
7.2 | 495 | 0 | ||
| 640-80*8 | 530 640 760 |
147.2 177.8 211.1 |
723.2 640 537.6 |
1480 | 1410.59 1430.09 1445.04 |
1800 | Y2-5603-4 | 74 78 77 |
7.2 | 495 | 0 | ||
| 640-80*7 | 530 640 760 |
147.2 177.8 211.1 |
632.8 560 470.4 |
1480 | 1234.26 1251.33 1264.41 |
1600 | Y2-5601-4 | 74 78 77 |
7.2 | 495 | 0 | ||
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Shi jia zhuang Bojin pump co.,ltd
Contact: Johnny
Address: No.266 Tianshan Street Shijiazhuang,Hebei Province,China
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E-mail:
Postal Code: 050035
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