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ISGD type low-speed vertical centrifugal pump
ISGD type low-speed vertical centrifugal pump
ISGD type low-speed vertical centrifugal pump
Equipped with a low-speed motor, it significantly reduces operating noise and prolongs vulnerability exponentially

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ISGD Low Speed Vertical Centrifugal Pump - Product Overview

The ISGD low-speed centrifugal pump is a domestically excellent hydraulic model selected by Chongqing Zhongbai Pump Industry and domestic water pump experts, using the IS single-stage single suction pumpcentrifugal pumpThe performance parameters of the ALG type pump are ingeniously combined and designed based on the general vertical pump. At the same time, suitable hot water, high-temperature corrosion-resistant chemical pumps, and oil pumps are derived from the ALG type pump according to different operating temperatures, media, etc. This series of products has the advantages of high efficiency, energy saving, low noise, and reliable performance, and meets the requirements of the latest national standard JB/T53058-93 of the Ministry of Machinery. The products are designed and manufactured according to the international ISO2858 standard.

ISGD typeLow speed vertical centrifugal pump--Product Features

1.Low speed centrifugal pumpIt is a vertical structure with the same inlet and outlet diameters and located on the same centerline. It can be installed in pipelines like a valve, with a compact and beautiful appearance, small footprint, and low building investment. If a protective cover is added, it can be used outdoors.
2. The impeller is directly installed on the long axis of the motor, with a short axial dimension and compact structure. The pump and motor bearings are reasonably configured, which can effectively balance the radial and axial loads generated by the pump operation, ensuring smooth operation, low vibration, and low noise of the pump.
3. The shaft seal adopts mechanical seal or a combination of mechanical seals, using imported titanium alloy sealing rings, medium-sized high-temperature resistant mechanical seals, and hard alloy materials for wear-resistant seals, which can effectively extend the service life of mechanical seals.
4. The installation and maintenance of pipeline centrifugal pumps are convenient, without the need to disassemble the pipeline system. All rotor components can be extracted by simply removing the pump coupling nut.
5. The series or parallel operation of pumps can be adopted according to the requirements of flow rate and head.
6. Vertical and horizontal installation of pumps can be adopted according to the requirements of pipeline layout.

ISGD type low-speed vertical centrifugal pump - operating conditions

The higher working pressure of the ISGD motor above 0.75KW pump system is 1.6Mpa, which means that the pump suction pressure+pump head is ≤ 1.6Mpa. The static pressure test pressure of the pump is 2.5Mpa, and the higher working pressure of the pump system below 0.75KW is 0.8Mpa
Please specify the system working pressure when placing an order. If the pump system working pressure is greater than 1.6Mpa, it should be separately stated when placing an order, so that the overcurrent and connection parts of the pump can be made of cast steel during manufacturing
ISGD typepumpThe medium is hot or cold water or a liquid with physical and chemical properties similar to water, and the temperature of the medium should not exceed 120 ℃.

model
Traffic Q

Head (M)

Efficiency (%)

Speed (r/min)
Motor Power
（KW）

Necessary cavitation
margin
（NPSH）r

Weight (kg)

（m3/h)

（L/S）
40-100
3.2
0.89
3
48
1400
0.12
2.5
17
40-125
3.2
0.89
5
40
1400
0.18
2.5
19
40-125A
2.8
0.78
4
39
1400
0.12
2.5
19
40-160
3.2
0.89
8
36
1400
0.25
2.5
24
40-160A
2.8
0.78
6.4
35
1400
0.18
2.5
22
40-200
3.2
0.89
12.5
31
1450
0.55
2.5
38
40-200A
2.8
0.78
10
30
1400
0.37
2.5
30
40-250
3.2
0.89
20
25
1450
1.1
2.5
52
40-250A
2.8
0.78
16
25
1450
0.75
2.5
47
40-250B
2.3
0.64
13
24
1450
0.55
2.5
46
40-100(I)
6.3
1.75
3
54
1400
0.12
2.5
17
40-125(I)
6.3
1.75
5.0
54
1400
0.25
2.5
29
40-125(I)A
5.6
1.56
4.0
52
1400
0.18
2.5
24
40-160(I)
6.3
1.75
8.0
47
1450
0.55
2.5
43
40-160(I)A
5.1
1.42
5.3
45
1400
0.25
2.5
30
40-200(I)
6.3
1.75
12.5
40
1450
0.75
2.5
45
40-200(I)A
5.5
1.53
9.5
39
1450
0.55
2.5
44
40-250(I)
6.3
1.75
20
32
1450
1.5
2.5
54
40-250(I)A
5.6
1.56
16
32
1450
1.1
2.5
49
40-250(I)B
5.1
1.42
13
30
1450
0.75
2.5
42
50-100
6.3
1.75
3
54
1400
0.12
2.5
19
50-125
6.3
1.75
5.0
54
1400
0.25
2.5
25
50-125A
5.6
1.56
4.0
52
1400
0.18
2.5
19
50-160
6.3
1.75
8.0
47
1450
0.55
2.5
42
50-160A
5.1
1.42
5.3
45
1400
0.25
2.5
37
50-200
6.3
1.75
12.5
40
1450
0.75
2.5
48
50-200A
5.5
1.53
9.5
39
1450
0.55
2.5
46
50-250
6.3
1.75
20
32
1450
1.5
2.5
58
50-250A
5.6
1.56
16
32
1450
1.1
2.5
50
50-250B
5.1
1.42
13
30
1450
0.75
2.5
49
50-100(I)
12.5
3.47
3
63
1400
0.25
2.5
23
50-125(I)
12.5
3.47
5.0
63
1400
0.37
2.5
34
50-125(I)A
11.0
3.06
3.8
60
1400
0.25
2.5
33
50-160(I)
12.5
3.47
8
59
1450
0.55
2.8
46
model
Traffic Q

Head (M)

Efficiency (%)

Speed (r/min)
Motor Power
（KW）

Necessary cavitation
margin
（NPSH）r

Weight (kg)

（m3/h)

（L/S）
50-160(I)A
10.8
3.0
6
57
1400
0.37
2.8
34
50-200(I)
12.5
3.47
12.5
54
1450
1.1
2.8
52
50-200(I)A
11.3
3.14
10.1
53
1450
0.75
2.8
48
50-250(I)
12.5
3.47
20
45
1450
2.2
2.8
73
50-250(I)A
11.7
3.25
17.6
44
1450
1.5
2.8
65
50-250(I)B
10.2
2.83
13.4
43
1450
1.1
2.8
60
50-315(I)
12.5
3.47
32
36
1450
4.0
2.8
89
50-315(I)A
11.7
3.25
28
36
1450
3.0
2.8
84
50-315(I)B
10.2
2.81
21
34
1450
3.0
2.8
82
65-100
12.5
3.47
3
63
1400
0.25
2.8
29
65-125
12.5
3.47
5.0
63
1400
0.37
2.8
32
65-125A
11.0
3.06
3.8
60
1400
0.25
2.8
27
65-160
12.5
3.47
8
59
1450
0.55
2.8
46
65-160A
10.8
3.0
6
57
1400
0.37
2.8
35
65-200
12.5
3.47
12.5
54
1450
1.1
2.8
52
65-200A
11.3
3.14
10.1
53
1450
0.75
2.8
48
65-250
12.5
3.47
20
45
1450
2.2
2.8
76
65-250A
11.7
3.25
17.6
44
1450
1.5
2.8
68
65-250B
10.2
2.83
13.4
43
1450
1.1
2.8
63
65-315
12.5
3.47
32
36
1450
4.0
2.8
89
65-315A
11.7
3.25
28
36
1450
3.0
2.8
85
65-315B
10.1
2.81
21
34
1450
3.0
2.8
82
65-100(I)
25
6.94
3
70
1400
0.37
2.8
33
65-125(I)
25
6.94
5
70
1450
0.75
2.8
49
65-125(I)A
21.8
6.05
3.8
65
1450
0.55
2.8
48
65-160(I)
25
6.94
8
68
1450
1.1
2.8
54
65-160(I)A
21.6
6.0
6.0
65
1450
0.75
2.8
48
65-200(I)
25
6.94
12.5
64
1450
2.2
2.8
71
65-200(I)A
23.3
6.47
10.9
63
1450
1.5
2.8
62
65-250(I)
25
6.94
20
59
1450
3.0
2.8
85
65-250(I)A
22.2
6.17
15.8
58
1450
2.2
2.8
80
65-250(I)B
19.8
5.5
12.6
57
1450
1.5
2.8
74
65-315(I)
25
6.94
32
50
1450
5.5
2.8
120
65-315(I)A
23
6.39
27.9
50
1450
4.0
2.8
110

model
Traffic Q

Head (M)

Efficiency (%)

Speed (r/min)
Motor Power
（KW）

Necessary cavitation
margin
（NPSH）r

Weight (kg)

（m3/h)

（L/S）
65-315(I)B
20.2
5.61
21
49
1450
3.0
2.8
100
80-100
25
6.94
3
70
1450
0.37
2.8
33
80-125
21.8
6.94
5
70
1450
0.75
2.8
48
80-125A
25
6.05
3.8
65
1450
0.55
2.8
45
80-160
21.6
6.94
8
68
1450
1.1
2.8
55
80-160A
25
6.0
6.0
65
1450
0.75
2.8
51
80-200
23.3
6.94
12.5
64
1450
2.2
2.8
72
80-200A
25
6.47
10.9
63
1450
1.5
2.8
64
80-250
22.2
6.94
20
59
1450
3.0
2.8
89
80-250A
19.8
6.17
15.8
58
1450
2.2
2.8
85
80-250B
25
5.5
12.6
57
1450
1.5
2.8
78
80-315
23
6.94
32
50
1450
5.5
2.8
130
80-315A
20.2
6.39
27.9
50
1450
4.0
2.8
102
80-315B
50
5.61
21
49
1400
3.0
2.8
95
80-100(I)
50
13.89
3
73
1450
0.75
3.0
58
80-125(I)
44.6
13.89
5
73
1450
1.1
3.0
61
80-125(I)A
50
12.4
4
63
1450
1.1
3.0
61
80-160(I)
44.5
13.89
8
73
1450
2.2
3.0
82
80-160(I)A
50
12.36
6.3
71
1450
1.5
3.0
74
80-200(I)
44.6
13.89
12.5
72
1450
3.0
3.0
97
80-200(I)A
50
12.36
9.9
71
1450
2.2
3.0
93
80-250(I)
44.5
13.89
20
66
1450
5.5
3.0
134
80-250(I)A
50
12.97
17.4
65
1450
4.0
3.0
106
80-250(I)B
44.6
11.22
13.1
63
1450
3.0
3.0
100
80-315(I)
50
13.89
32
61
1450
11.0
3.0
180
80-315(I)A
46.7
12.97
27.9
61
1450
7.5
3.0
166
80-315(I)B
40.5
11.22
21
60
1450
5.5
3.0
62
100-100
50
13.89
3
73
1450
0.75
3.0
70
100-125
50
13.89
5
73
1450
1.1
3.0
68
100-125A
44.6
12.4
4
63
1450
1.1
3.0
68
100-160
50
13.89
8
73
1450
2.2
3.0
87
100-160A
44.5
12.36
6.3
71
1450
1.5
3.0
79
100-200
50
13.89
12.5
72
1450
3.0
3.0
100
100-200A
44.6
12.36
9.9
71
1450
2.2
3.0
90

model
Traffic Q

Head (M)

Efficiency (%)

Speed (r/min)
Motor Power
（KW）

Necessary cavitation
margin
（NPSH）r

Weight (kg)

（m3/h)

（L/S）
100-250
50
13.89
20
66
1450
5.5
3.0
140
100-250A
46.7
12.97
17.4
65
1450
4.0
3.0
112
13.1
63
1450
3.0
3.0
105
100-315
50
13.89
32
61
1450
11.0
3.0
225
100-315A
46.7
12.97
27.9
61
1450
7.5
3.0
180
100-315B
40.5
11.22
21
60
1450
5.5
3.0
165
100-125(I)
100
27.78
5
78
1450
2.2
3.0
95
100-125(I)A
87.1
24.2
3.8
76
1450
1.5
3.0
87
100-160(I)
100
27.78
8
78
1450
4.0
3.0
118
100-160(I)A
87.1
24.2
6.3
76
1450
3.0
3.0
113
100-200(I)
100
27.78
12.5
75
1450
5.5
3.0
148
100-200(I)A
86.1
23.92
9.3
73
1450
4.0
3.0
123
100-250(I)
100
22.78
20
74
1450
11.0
3.0
208
100-250(I)A
93.3
25.92
17.4
73
1400
7.5
3.0
165
100-250(I)B
87
24.17
15
72
1450
5.5
3.0
149
100-315(I)
100
22.78
32
71
1450
15.0
3.0
234
100-315(I)A
91.0
25.28
27
71
1450
11.0
3.0
213
100-315(I)B
79.0
21.94
20
70
1450
7.5
3.0
165
100-400(I)
100
22.78
50
65
1450
30.0
3.0
375
100-400(I)A
94
26.11
44
65
1450
22.0
3.0
295
100-400(I)B
87
24.17
38
64
1450
18.5
3.0
257
100-400(I)C
81
22.56
32.8
62
1450
15.0
3.0
239
125-125
80
22.2
5
76
1450
2.2
3.0
148
125-125A
71.5
19.9
4
75
1450
1.5
3.0
125
125-160
80
22.2
8
74
1450
3.0
3.0
205
125-160A
69.3
19.3
6
73
1450
2.2
3.0
165
125-200
80
23.2
12.5
73
1450
5.5
3.0
249
125-200A
75
20.8
11
72
1450
4.0
3.0
237
125-250
80
22.2
20
72
1450
7.5
2.8
220
125-250A
75
20.8
17.5
71
1450
7.5
2.8
210
125-250B
69
11.2
15
70
1450
5.5
2.8
195
125-315
80
22.2
32
67
1450
15.0
2.5
300
125-315A
75
20.8
27.5
66
1450
11.0
2.5
282
125-315B
72
20
25
65
1450
11.0
2.5
245

ISGD type low-speed vertical centrifugal pump: mainly used for chilled water, cooling water circulation and end pressurization in air conditioning systems, local or end pressurization circulation in urban heating systems, local constant pressure in urban building fire protection systems, and various air conditioning hot water boiler matching.
Please contact customer service.
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