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ISGD type low-speed centrifugal pump
ISGD type low-speed centrifugal pump
ISGD type low-speed centrifugal pump
ISGD type low-speed centrifugal pump

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Product details

product overview

The ISGD type low-speed centrifugal pump (referred to as ISGD pipeline pump) is a low-speed product designed and manufactured based on the unique structural combination of pipeline centrifugal pumps, based on the ISG pipeline centrifugal pump type and referring to the performance parameters of IS type centrifugal pumps. The low-speed pipeline pump adopts advanced hydraulic models provided by domestic water pump experts, which are efficient, energy-saving, and reliable in performance, and are highly praised by domestic and foreign customers. The main characteristics of low-speed centrifugal pumps: The ISGD type low-speed centrifugal pump is equipped with a low-speed motor on the basis of the ISG type vertical pipeline centrifugal pump, which greatly reduces operating noise and extends the service life of vulnerable parts by multiple times. It is suitable for air conditioning circulation, heating circulation, and various end pressurization of circulation systems. The innovative design of the vertical structure reduces its footprint and space occupation, making it more convenient to use.

Main purpose

The ISGD low-speed centrifugal pump produced by Hongling Pump Valve Co., Ltd. is 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 supporting various air conditioning hot water boilers.

working conditions

The high working pressure of pump systems with ISGD motors above 0.75kw 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 high working pressure of pump systems 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 during the order process, so that the overcurrent and connection parts of the pump can be made of cast steel materials during manufacturing.

The medium of ISGD pump is cold and hot water or a liquid with physical and chemical properties similar to water, and the medium temperature does not exceed 120 ℃.

performance parameter

model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg
m3/h l/S m3/h l/S
40-100 2.2 3.2 4.2 0.61 0.89 1.17 3.3 3 2.8 48 1400 0.12 2.5 17 40-250(Ⅰ) 3.8 6.3 7.5 1.06 1.75 2.08 20.5 20 19.5 32 1450 1.5 2.5 54
40-125 2.2 3.2 4.2 0.61 0.89 1.17 5.5 5 4.5 40 1400 0.18 2.5 19 40-250(Ⅰ)A 3.4 5.6 6.7 0.94 1.56 1.86 16.4 16 15.6 32 1450 1.1 2.5 49
40-125A 2.0 2.8 3.7 0.56 0.78 1.03 4.4 4 3.6 39 1400 0.12 2.5 19 40-250(Ⅰ)B 3.1 5.1 6.1 0.86 1.42 1.69 13.2 13 12.5 30 1450 0.75 2.5 42
40-160 2.2 3.2 4.2 0.61 0.89 1.17 8.5 8 7.5 36 1400 0.25 2.5 24 50-100 3.8 6.3 7.5 1.06 1.75 2.08 3.4 3 2.8 54 1400 0.12 2.5 19
40-160A 2.0 2.8 3.7 0.56 0.78 1.03 6.8 6.4 6 35 1400 0.18 2.5 22 50-125 3.8 6.3 7.5 1.06 1.75 2.08 5.4 5.0 4.6 54 1400 0.25 2.5 25
40-200 2.2 3.2 4.2 0.61 0.89 1.17 13 12.5 12 31 1450 0.55 2.5 38 50-125A 3.4 5.6 6.7 0.94 1.56 1.86 4.3 4.0 3.7 52 1400 0.18 2.5 19
40-200A 2.0 2.8 3.7 0.56 0.78 1.03 10.4 10 9.6 30 1400 0.37 2.5 30 50-160 3.8 6.3 7.5 1.06 1.75 2.08 8.5 8.0 7.5 47 1450 0.55 2.5 42
40-250 2.2 3.2 4.2 0.61 0.89 1.17 20.5 20 18.5 25 1450 1.1 2.5 52 50-160A 3.0 5.1 6.1 0.73 1.42 1.69 5.6 5.3 4.9 45 1400 0.25 2.5 37
40-250A 2.0 2.8 3.7 0.56 0.78 1.03 16.4 16 15 25 1450 0.75 2.5 47 50-200 3.8 6.3 7.5 1.06 1.75 2.08 13.1 12.5 12 40 1450 0.75 2.5 48
40-250B 1.6 2.3 3.4 0.44 0.64 0.94 13.2 13 12 24 1450 0.55 2.5 46 50-200A 3.3 5.5 6.5 0.92 1.53 1.81 10 9.5 9 39 1450 0.55 2.5 46
40-100(Ⅰ) 3.8 6.3 7.5 1.06 1.75 2.08 3.4 3 2.8 54 1400 0.12 2.5 17 50-250 3.8 6.3 7.5 1.06 1.75 2.08 20.5 20 19.5 32 1450 1.5 2.5 58
40-125(Ⅰ) 3.8 6.3 7.5 1.06 1.75 2.08 5.4 5.0 4.6 54 1400 0.25 2.5 29 50-250A 3.4 5.6 6.7 0.94 1.56 1.86 16.4 16 15.6 32 1450 1.1 2.5 50
40-125(Ⅰ)A 3.4 5.6 6.7 0.94 1.56 1.86 4.3 4.0 3.7 52 1400 0.18 2.5 24 50-250B 3.1 5.1 6.1 0.86 1.42 1.69 13.2 13 12.5 30 1450 0.75 2.5 49
40-160(Ⅰ) 3.8 6.3 7.5 1.06 1.75 2.08 8.5 7.0 7.5 47 1450 0.55 2.5 43 50-100(Ⅰ) 7.5 12.5 15 2.08 3.47 4.17 3.5 3 2.5 63 1400 0.25 2.5 23
40-160(Ⅰ)A 3.0 5.1 6.1 0.83 1.42 1.69 5.6 5.3 4.9 45 1400 0.25 2.5 30 50-125(Ⅰ) 7.5 12.5 15 2.08 3.47 4.17 5.4 5.0 4.7 63 1400 0.37 2.5 34
40-200(Ⅰ) 3.8 6.3 7.5 1.06 1.75 2.08 13.1 12.5 12 40 1450 0.75 2.5 45 50-125(Ⅰ)A 6.6 11.0 13.2 1.83 3.06 3.67 4.1 3.8 3.6 60 1400 0.25 2.5 33
40-200(Ⅰ)A 3.3 5.5 6.5 0.92 1.53 1.81 10 9.5 9 39 1450 0.55 2.5 44 50-160(Ⅰ) 7.5 12.5 15 2.08 3.47 4.17 8.8 8 7.2 59 1450 0.55 2.8 46
model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg
m3/h l/S m3/h l/S
50-160(Ⅰ)A 6.5 10.8 13.0 1.81 3.0 3.61 6.6 6 5.4 57 1400 0.37 2.8 34 65-250A 7.0 11.7 14.1 1.94 3.25 3.92 18.4 17.6 17 44 1450 1.5 2.8 68
50-200(Ⅰ) 7.5 12.5 15 2.08 3.47 4.17 13.2 12.5 11.8 54 1450 1.1 2.8 52 65-250B 6.1 10.2 12.3 1.69 2.83 3.42 14.1 13.4 13.0 43 1450 1.1 2.8 63
50-200(Ⅰ)A 6.8 11.3 13.5 1.89 3.14 3.75 10.7 10.1 9.6 53 1450 0.75 2.8 48 65-315 7.5 12.5 15 2.08 3.47 4.17 32.3 32 31.7 36 1450 4.0 2.8 89
50-250(Ⅰ) 7.5 12.5 15 2.08 3.47 4.47 21 20 19.4 45 1450 2.2 2.8 73 65-315A 7 11.7 14 1.94 3.25 3.92 28.1 28 27.6 36 1450 3.0 2.8 85
50-250(Ⅰ)A 7.0 11.7 14.1 1.94 3.25 3.92 18.4 17.6 17 44 1450 1.5 2.8 65 65-315B 6.1 10.1 12.1 1.69 2.81 3.36 21.2 21 20.8 34 1450 3.0 2.8 82
50-250(Ⅰ)B 6.1 10.2 12.3 1.69 2.83 3.42 14.1 13.4 13.0 43 1450 1.1 2.8 60 65-100(Ⅰ) 15 25 30 4.17 6.94 8.33 3.5 3 2.5 70 1400 0.37 2.8 33
50-315(Ⅰ) 7.5 12.5 15 2.08 3.47 4.17 32.3 32 31.7 36 14500 4.0 2.8 89 65-125(Ⅰ) 15 25 30 4.17 6.94 8.33 5.6 5 4.5 70 1450 0.75 2.8 49
50-315(Ⅰ)A 7 11.7 14 1.94 3.25 3.92 28.1 28 27.6 36 1450 3.0 2.8 84 65-125(Ⅰ)A 13.1 21.8 26.1 3.05 6.05 7.25 4.3 3.8 3.4 65 1450 0.55 2.8 48
50-315(Ⅰ)B 6.1 10.2 12.1 1.69 2.81 3.36 21.2 21 20.8 34 1450 3.0 2.8 82 65-160(Ⅰ) 15 25 30 4.17 6.94 8.33 9 8 7.2 68 1450 1.1 2.8 54
65-100 7.5 12.5 15 2.08 3.47 4.17 3.5 3 2.5 63 1400 0.25 2.8 29 65-160(Ⅰ)A 13.0 21.6 25.9 3.61 6.0 7.19 6.7 6.0 5.4 65 1450 0.75 2.8 48
65-125 7.5 12.5 15 2.08 3.47 4.17 5.4 5.0 4.7 63 1400 0.37 2.8 32 65-200(Ⅰ) 15 25 30 4.17 6.94 8.33 13.2 12.5 11.8 64 1450 2.2 2.8 71
5-125A 6.6 11.0 13.2 1.83 3.06 3.67 4.1 3.8 3.6 60 1400 0.25 2.8 27 65-200(Ⅰ)A 14.0 23.3 27.9 3.89 6.47 7.75 11.5 10.9 10.2 63 1450 1.5 2.8 62
65-160 7.5 12.5 15 2.08 3.47 4.17 8.8 8 7.2 59 1450 0.55 2.8 46 65-250(Ⅰ) 15 25 30 4.17 6.94 8.33 21 20 18.8 59 1450 3.0 2.8 85
65-160A 6.5 10.8 13.0 1.81 3.0 3.61 6.6 6 5.4 57 1400 0.37 2.8 35 65-250(Ⅰ)A 13.3 22.2 26.6 3.69 6.17 7.39 16.6 15.8 14.8 58 1450 2.2 2.8 80
65-200 7.5 12.5 15 2.08 3.47 4.17 13.2 12.5 11.8 54 1450 1.1 2.8 52 65-250(Ⅰ)B 11.9 19.8 23.8 3.31 5.5 6.61 13.2 12.6 11.8 57 1450 1.5 2.8 74
65-200A 6.8 11.3 13.5 1.89 3.14 3.75 10.7 10.1 9.3 53 1450 0.75 2.8 48 65-315(Ⅰ) 15 25 30 4.17 6.94 8.33 32.5 32 31.5 50 1450 5.5 2.8 120
65-250 7.5 12.5 15 2.08 3.47 4.17 21 20 19.4 45 1450 2.2 2.8 76 65-315(Ⅰ)A 14 23 28 3.89 6.39 7.78 28.3 27.9 27.4 50 1450 4.0 2.8 110
model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg
m3/h l/S m3/h l/S
65-315(Ⅰ)B 12.1 20.2 24.2 3.36 5.61 6.75 21.3 21 20.6 49 1450 3.0 2.8 100 80-160(Ⅰ) 30 50 60 8.33 13.89 16.67 9.2 8 6.8 73 1450 2.2 3.0 82
80-100 15 25 30 4.17 6.94 8.33 3.5 3 2.5 70 1450 0.37 2.8 33 80-160(Ⅰ)A 26.7 44.5 53.4 7.42 12.36 14.83 7.3 6.3 5.4 71 1450 1.5 3.0 74
80-125 15 25 30 4.17 6.94 8.33 5.6 5 4.5 70 1450 0.75 2.8 48 80-200(Ⅰ) 30 50 60 8.33 13.89 16.67 13.5 12.5 11.8 72 1450 3.0 3.0 97
80-125A 13.1 21.8 26.1 3.05 6.05 7.25 4.3 3.8 3.4 65 1450 0.55 2.8 45 80-200(Ⅰ)A 26.7 44.6 53.5 7.42 12.36 14.83 10.8 9.9 9.4 71 1450 2.2 3.0 93
80-160 15 25 30 4.17 6.94 8.33 9 8 7.2 68 1450 1.1 2.8 55 80-250(Ⅰ) 30 50 60 8.33 13.89 16.67 21.3 20 19 66 1450 5.5 3.0 134
80-160A 13.0 21.6 25.9 3.61 6.0 7.19 6.7 6.0 5.4 65 1450 0.75 2.8 51 80-250(Ⅰ)A 28 46.7 56 7.78 12.97 15.56 18.6 17.4 16.6 65 1450 4.0 3.0 106
80-200 15 25 30 4.17 6.94 8.33 13.2 12.5 11.8 64 1450 2.2 2.8 72 80-250(Ⅰ)B 24.2 40.4 48.5 6.72 11.22 13.47 13.9 13.1 12.4 63 1450 3.0 3.0 100
80-200A 14.0 23.3 27.9 3.89 6.47 7.75 11.5 10.9 10.2 63 1450 1.5 2.8 64 80-315(Ⅰ) 30 50 60 8.33 13.89 16.67 34 32 30 61 1450 11.0 3.0 217
80-250 15 25 30 4.17 6.94 8.33 21 20 18.8 59 1450 3.0 2.8 89 80-315(Ⅰ)A 28 46.7 56 7.78 12.97 15.56 29.6 27.9 26.1 61 1450 7.5 3.0 180
80-250A 13.3 22.2 26.6 3.69 6.17 7.39 16.6 15.8 14.8 58 1450 2.2 2.8 85 80-315(Ⅰ)B 24.3 40.5 48.6 6.72 11.22 13.47 22.3 21 19.1 60 1450 5.5 3.0 166
80-250B 11.9 19.8 23.8 3.31 5.5 6.61 13.2 12.6 11.8 57 1450 1.5 2.8 78 100-100 30 50 60 8.33 13.89 16.67 3.5 3 2.5 73 1450 0.75 3.0 62
80-315 15 25 30 4.17 6.94 8.33 32.5 32 31.5 50 1450 5.5 2.8 120 100-125 30 50 60 8.33 13.89 16.67 6 5 4 73 1450 1.1 3.0 70
80-315A 14 23 28 3.89 6.39 7.78 28.3 27.9 27.4 50 1450 4.0 2.8 102 100-125A 26.8 44.6 53.5 7.44 12.4 14.9 4.8 4 3.2 63 1450 1.1 3.0 68
80-315B 12.1 20.2 24.3 3.36 5.61 6.75 21.3 21 20.6 49 1450 3.0 2.8 95 100-160 30 50 60 8.33 13.89 16.67 9.2 8 6.8 73 1450 2.2 3.0 87
80-100(Ⅰ) 30 50 60 8.33 13.89 16.67 3.5 3 2.58 73 1450 1.75 3.0 58 100-160A 26.7 44.5 53.4 7.42 12.36 14.83 7.3 6.3 5.4 71 1450 1.5 3.0 79
80-125(Ⅰ) 30 50 60 8.33 13.89 16.67 6 5 4 73 1450 1.1 3.0 61 100-200 30 50 60 8.33 13.89 16.67 13.5 12.5 11.8 72 1450 3.0 3.0 100
80-125(Ⅰ)A 26.8 44.6 53.5 7.44 12.4 14.9 4.8 4 3.2 63 1450 1.1 3.0 61 100-200A 26.7 44.6 53.5 7.42 12.36 14.83 10.7 9.9 9.4 71 1450 2.2 3.0 90
model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg model internet traffic Head m Efficiency% Speed r/min Motor power KW Required cavitation allowance Weight kg
m3/h l/S m3/h l/S
100-250 30 50 60 8.33 13.89 16.67 21.3 20 19 65 1450 5.5 3.0 140 100-315(Ⅰ)B 47 79.0 95 13.06 21.94 26.39 21 20 19 70 1450 7.5 3.0 165
100-250A 28 46.7 56 7.78 12.97 15.56 18.6 17.4 16.6 65 1450 4.0 3.0 112 100-400(Ⅰ) 60 100 120 16.67 22.78 33.33 52 50 48.5 65 1450 30.3 3.0 375
100-250B 24.2 40.4 48.5 6.72 11.22 13.47 13.9 13.1 12.4 63 1450 3.0 3.0 105 100-400(Ⅰ)A 56.4 94 113 15.67 26.11 31.39 46 44 43 65 1450 22.0 3.0 295
100-315 30 50 60 8.33 13.89 16.67 34 32 30 61 1450 11.0 3.0 225 100-400(Ⅰ)B 52.3 87 105 14.53 24.17 29.17 39 38 37 64 1450 18.5 3.0 257
100-315A 28 46.7 56 7.78 12.97 15.56 29.6 27.9 26.1 61 1450 7.5 3.0 180 100-400(Ⅰ)C 48.6 81 97 13.54 22.56 26.94 34 32.8 32 62 1450 15.0 3.0 239
100-315B 24.3 40.5 48.6 6.72 11.22 13.47 22.3 21 19.1 60 1450 5.5 3.0 165 125-125 48 80 96 13.3 22.2 26.7 5.5 5 4.3 76 1450 2.2 3.0 148
100-125(Ⅰ) 60 100 120 16.67 27.78 33.33 6.5 5 4 78 1450 2.2 3.0 95 125-125A 43 71.5 66 11.6 19.9 13.9 4.4 4 3.4 75 1450 1.5 3.0 125
100-125(Ⅰ)A 52.2 87.1 104 14.5 24.2 28.9 4.3 3.8 3.4 76 1450 1.5 3.0 87 125-160 48 80 96 13.3 22.2 26.7 9 8 7 74 1450 3.0 3.0 205
100-160(Ⅰ) 60 100 120 16.7 27.78 33.33 10 8 7 78 1450 4.0 3.0 118 125-160A 42 69.3 83 11.9 19.3 23 6.8 6 5.3 73 1450 2.2 3.0 165
100-160(Ⅰ)A 52.2 87.1 104 14.5 24.2 28.9 7.3 6.3 5.4 76 1450 3.0 3.0 113 125-200 48 80 96 13.3 23.2 26.7 13.8 12.5 11.5 73 1450 5.5 3.0 249
100-200(Ⅰ) 60 100 120 16.67 22.78 33.33 14.0 12.5 11 75 1450 5.5 3.0 148 125-200A 45 75 90 12.5 20.8 25 12 11 10 72 1450 4.0 3.0 237
100-200(Ⅰ)A 51.7 86.1 103 14.36 23.92 28.61 10.8 9.3 8.2 73 1450 4.0 3.0 123 125-250 48 80 96 13.3 22.2 26.7 22 20 18.3 72 1450 7.5 2.8 220
100-250(Ⅰ) 60 100 120 16.67 22.78 33.33 21.5 20 18.5 74 1450 11.0 3.0 208 125-250A 45 75 90 12.5 20.8 25 19 17.5 16 71 1450 7.5 2.8 210
100-250(Ⅰ)A 56 93.3 112 15.56 25.92 31.11 18.7 17.4 16.1 73 1450 7.5 3.0 165 125-250B 41.5 69 83 11.5 11.2 23 16.3 15 13.8 70 1450 5.5 2.8 195
100-250(Ⅰ)B 52.2 87 104 14.5 24.17 28.89 16 15 14 72 1450 5.5 3.0 149 125-315 48 80 96 13.3 22.2 26.7 33.3 32 29.8 67 1450 15.0 2.5 300
100-315(Ⅰ) 60 100 120 16.67 22.78 33.33 33.5 32 30.5 71 1450 15.0 3.0 234 125-315A 45 75 90 12.5 20.8 25 29.3 27.5 26 66 1450 11.0 2.5 282
100-315(Ⅰ)A 55.0 91.0 110.0 15.28 25.28 30.56 28 27 25.7 71 1450 11.0 3.0 213 125-315B 43 72 96 11.9 20 23.9 26.5 25 23.8 65 1450 11.0 2.5 245


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