Products
4"STM8 Deep well pump
Keywords:
AC submersible pump
Category:
Description:
MOQ:
50PCS
- Product Description
- Operation Conditions
- Performance
-
Pupm:
Qmax:14.7(m/h)
Capacity from 6 to 10(m3/h)
Total head from224 to 10(m)
Motor:
Adopted the NEMA standard
Power:0.55 to 2.2kW(Single phase)
Insulation class: B
Protection grade:IP68
Maximum diameter:ф98mm
Highest temperature of liquid:35℃
Submersible borehole pumps are designed for efficient deep well water extraction in agricultural irrigation, industrial water systems, residential supply, and groundwater transfer applications. Installed directly inside the borehole, the pump operates underwater to deliver stable water flow from deep underground sources with reduced energy loss. The sealed motor structure protects internal components from water penetration, corrosion, and harsh operating environments, helping maintain reliable long-term performance.
These pumps are widely used on farms, construction sites, water treatment systems, and remote locations where dependable groundwater supply is required. Their compact vertical design allows installation in narrow boreholes while reducing operating noise during continuous use. Submersible borehole pumps also support stable pressure performance and efficient water lifting capacity for different well depths.
Modern submersible borehole pumps are commonly manufactured with stainless steel or corrosion-resistant materials to improve durability in challenging water conditions. The combination of energy efficiency, low maintenance requirements, and stable operation makes them a practical solution for both commercial and residential water supply systems.
-
Maximum fluid temperature up to +35℃.
Maximum sand content:0.25%.
Maximum immersion:80m.
Minimum well diameter:4". -
Performance chart n≈2850rpm
PERFORMANCE DATA 50Hz
MODEL POWER DELIVERYn≈2850l/ min 1~
220-240V3~
380-415VkW HP Q m³/h 0 1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 10.8 l/ min 0 20 40 60 80 100 120 140 160 180 4STM8/5 4ST8/5 0.55 0.75 Head
(m)34 33 32 30 29 26 23 19 14 7 4STM8/7 4ST8/7 0.75 1.1 48 46 44 42 40 37 33 27 19 10 4STM8/9 4ST8/9 1.1 1.5 61 59 57 54 51 48 42 35 25 13 4STM8/11 4ST8/11 1.5 2 75 72 70 67 63 58 52 42 30 17 4STM8/14 4ST8/14 2.2 3 96 92 89 85 80 74 66 54 38 21 4STM8/16 4ST8/16 2.2 3 109 105 101 97 91 82 75 62 44 24 - 4ST8/20 3 4 137 132 127 121 114 106 94 77 55 30 - 4ST8/24 4 5.5 164 158 152 145 137 128 113 92 66 36 - 4ST8/28 5.5 7.5 191 184 177 169 160 148 132 108 77 42 - 4ST8/32 5.5 7.5 218 210 202 194 183 170 150 123 88 48 - 4ST8/36 7.5 10 246 237 228 218 205 191 168 139 99 54 - 4ST6/40 7.5 10 273 263 253 242 228 212 188 154 110 60 DIMENSIONS AND WEIGHTS
MODEL DN Dimensions Single phase
220-240V-
50HzThree phase
380-415V-
50HzLength(mm) Weight(kg) L1 L(S) L(T) G(S) G(T) 4STM8/5 4ST8/5 1¼" 1½" 2" 434 761 746 12 11 4STM8/7 4ST8/7 1¼" 1½" 2" 510 857 837 13 12 4STM8/9 4ST8/9 1¼" 1½" 2" 586 973 933 16 14 4STM8/11 4ST8/11 1¼" 1½" 2" 662 1109 1039 19 16 4STM8/14 4ST8/14 1¼" 1½" 2" 776 1312 1213 24 20 4STM8/16 4ST8/16 1¼" 1½" 2" 852 1388 1289 25 20 4ST8/20 1¼" 1½" 2" 1036 1513 24 4ST8/24 1¼" 1½" 2" 1188 1739 28 4ST8/28 1¼" 1½" 2" 1340 1961 32 4ST8/32 1¼" 1½" 2" 1492 2113 33 4ST8/36 1¼" 1½" 2" 1644 2355 38 4ST6/40 1¼" 1½" 2" 1827 2538 40
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Professional manufacturer of submersible pump
Address:
Xiayuanshan Industrial Park, Daxi Town, Wenling City,Zhejiang Province,China.
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