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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
Tel:
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Postal Code: 050035



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