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250QJ Industrial Centrifugal Pumps 2850rpm Multi Stage Submersible Pump

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250QJ Industrial Centrifugal Pumps 2850rpm Multi Stage Submersible Pump

Brand Name : Gempump

Model Number : 250QJ90-18

Certification : ISO9001,CE,SGS

Place of Origin : China

MOQ : 1 Set

Price : 500USD/Set

Payment Terms : L/C, T/T, Western Union

Supply Ability : 1000 Sets per month

Delivery Time : 3-5 working days

Packaging Details : Plywooden box

Product : Borehole Turehole Deep Well Water Pump

Model : QJ Series

Pressure : High pressure

Application : Family Homes, Industrial

Material : Cast iron/stainless steel/ F46

Theory : Centrifugal pump

Power : Electric Motor

Voltage : AC220V/AC380V

Warranty : 1 year

Structure : Multi stage

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Clear Water Deep Well Submersible Borehole Turbine Industrial Centrifugal Pumps

Submersible Borehole Industrial Centrifugal Pump Introduction
QLJ series submersible deep well pumps consist of motor and pump assembly, the struture is reasonable, easy to install and maintain, and with advanced hydraulic model, they adopting the core prodcued with the resin sand and the vane runners adopting the core technique that topcoated with epoxy, high efficiency which is 2-5% higher than that of QJ type submersibie turbine pump as well. They are modern machine for lifting water.

Vertical Deep Well Submersible Borehole Centrifugal Pump Basic Parameters

Type Capacity Head Stage Rotating Speed Motor Power Effi Dia
m³/h m i r/min kw % mm
150QLJ12-8.5 10

12

16		 33 25.5 22.5 3 2850 3 65 143
40 34 30 4 3
48 42.5 37.5 5 3
54 51 45 6 4
63 59.5 52.5 7 4
72 68 60 8 5.5
81 76.5 67.5 9 5.5
90 85 75 10 5.5
99 93.5 82.5 11 7.5
108 102 90 12 7.5
117 110.5 97.5 13 7.5
126 119 105 14 7.5
135 127.5 112.5 15 9.2
144 136 120 16 9.2
153 144.5 127 17 9.2
150QLJ20-8.5 15

20

29		 38 34 23 4 2850 4 70 143
48 42.5 29 5 4
58 51 35 6 5.5
67 59.5 41 7 5.5
77 68 47 8 7.5
87 76.5 53 9 7.5
96.5 85 58.5 10 9.2
106 93.5 64 11 9.2
116 102 70 12 11
125.5 110.5 76 13 11
135 119 82 14 11
145 127.5 88 15 13
155 136 94 16 13
164 144.5 100 17 15
150QLJ30-9 25

30

35		 30 27 22.5 3 2850 4 71 143
40 36 30 4 5.5
50 45 37.5 5 7.5
60 54 45 6 7.5
70 63 52.5 7 9.2
80 72 60 8 11
90 81 67.5 9 11
100 90 75 10 13
110 99 82.5 11 15
120 108 90 12 15
150QLJ45-8 35

45

52.5		 27.9 24 21 3 2850 5.5 73 143
37.2 32 28 4 7.5
46.5 40 35 5 7.5
55.8 48 42 6 9.2
65.1 56 49 7 11
74.4 64 56 8 13
83.7 72 63 9 15
93 80 70 10 15
175QLJ20-11 15

20

24		 48 44 39 4 2850 4 70 168
60 55 49 5 5.5
72 66 58.6 6 5.5
84 77 68 7 7.5
96 88 78 8 7.5
108 99 88 9 9.2
120 110 97.7 10 9.2
132 121 108 11 11
144 132 117.3 12 11
156 143 127 13 13
168 154 137 14 13
180 165 147 15 15
175QLJ30-12 21

30

36		 43 36 30 3 2850 5.5 74 168
58 48 40 4 7.5
72.5 60 50 5 9.2
87 72 61 6 11
101 84 71 7 11
116 96 80 8 13
130 108 90 9 15
145 120 100 10 18.5
159 132 110 11 18.5
174 145 120 12 22
188 156 130 13 22
175QLJ40-12 30

40

46		 38 36 32 3 2850 7.5 75 168
51 48 43 4 9.2
64 60 54 5 11
77 72 65 6 13
90 84 76 7 15
102 96 86 8 18.5
114 108 96 9 22
127 120 107 10 22
225QLJ60-18 42

60

72		 20.5 18 15 1 2880 5.5 75 220
41 36 30 2 9.2
61.5 54 45 3 13
82 72 60 4 18.5
102.5 90 75 5 22
123 108 90 6 30
143.5 126 105 7 30
164 144 120 8 37
225QLJ100-12.5 75

100

120		 33 25 18 2 2880 11 75 220
49 37.5 27 3 15
65 50 36 4 22
82 62.5 45 5 30
98 75 54 6 30
114 87.5 63 7 37
130 100 72 8 45
225QLJ130-13.5 92
130
140		 33 27 26 2 2880 15 75 220
49 40.5 39 3 22
65 54 52 4 30
82 67.5 65 5 37
98 81 78 6 45
250QLJ90-18 67
90
118		 41 36 26 2 2880 15 75 220
62 54 39 3 22
83 72 52 4 30
104 90 65 5 37
125 108 78 6 45
250QLJ125-16 89
125
142		 39 32 26 2 2880 18.5 76 220
58 48 39 3 30
78 64 52 4 37
98 80 66 5 45
300QLJ120-28 84
120
144		 32.8 28 23 1 2900 13 76 250
65.6 56 46 2 30
98.4 84 69 3 45
131.2 112 92 4 55
164 140 115 5 75
300QLJ170-34 119
170
204		 38 34 29 1 2900 30 76 250
76 68 58 2 55
114 102 87 3 75
152 136 116 4 100
300QLJ200-24 130
200
245		 31 24 18.5 1 2900 18.5 76 250
62 48 37 2 37
93 72 55.5 3 55
124 96 74 4 75
155 120 92.5 5 100
300QLJ250-22 165
250
280		 29 22 18.5 1 2900 22 75 250
58 44 37 2 45
87 66 55.5 3 75
116 88 74 4 90
145 110 92 5 125
350QLJ250-46 200
250
330		 52 46 33 1 2900 55 80 330
104 92 66 2 100
156 138 99 3 140
208 184 132 4 185
350QLJ290-50 220
290
360		 56 50 41 1 2900 63 80 330
112 100 82 2 120
168 150 123 3 185
350QLJ320-53 245
320
400		 59.5 53 44 1 2900 75 80 330
119 106 88 2 140
178 159 132 3 220
350QLJ370-47 258
370
466		 53 47 37 1 2900 75 80 330
106 94 74 2 140
159 141 111 3 220
350QLJ450-50 305
450
524		 57 50 43 1 2900 90 80 330
114 100 86 2 180
450QLJ500-63 343
500
694		 76 63 43 1 2900 140 78 400
152 126 86 2 280
450QLJ800-24 400
800
1000		 27 24 20 1 2900 75 80 430
54 48 40 2 150
81 72 60 3 250
500QLJ550-27 400
550
850		 29 27 17.5 1 1475 63 81 480
58 54 35 2 110
87 81 52.5 3 180
116 108 70 4 250
550QLJ900-30 600
900
1100		 34 30 24 1 1475 110 82 530
68 60 48 2 220

Submersible Pump Applications:
1. Ground water pumping
2. Farm irrigation system
3. Sea water, shipyard, offshore, floating dock, salt water, vessel, river, lake, reservoir
4. Drawing clean water from well/borehole

Gempump is a competitive reputable OEM&ODM submersible pump manufacturer

1. 3 types main casting technique: EPC Process (Expendable pattern casting); Precoated sand casting; Wax precision casting.
2. Fully automated pressing stamping And punching lines with ultimate levels of quality. Production and assembly departments based on German engineering. Be spoke CNC machining department utilizing 3D/2D technology and high precision tools; Professional test stations. R&D department for our continuous drive for perfection of products.
3. We have 36 sole duty quality control staffs. Among processional staffs are put in charge of Rotor dynamic balancing/Impeller static balance /Motor winding withstand voltage test /Hydrostatic pressure test of pressure bearing parts.


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