4SDM8 SDM7 4" Stainless Steel Easy Installation Industrial Water Cycle Borehole Submersible Pump
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Our Stainless Steel Pump Body Easy Installation Industrial Water Cycle Borehole Submersible Pump with After-sale Protection professional-grade deep well pump, designed to meet your industrial water needs with utmost efficiency and reliability.
Applications :
Provides water supply from wells or reservoirs for various use cases.
Caters to domestic, civil, and industrial applications with stable performance.
Supports garden maintenance and agricultural irrigation operations efficiently.
Key Features :
1、One of the key highlights of our deep well pump is its easy installation process. With user-friendly features and clear instructions, you can have the pump up and running in no time, saving you valuable time and effort.
Operating Conditions:
Maximum fluid temperature up to +35℃
Maximum sand content : 0.25%
Minimum well diameter : 4"
Rewindable electric motor
Single-phase voltage options: 220-240V/50Hz or Three-phase voltage options: 380-415V/50Hz
Equipped with a start control box or a digital auto-control box
Pumps are designed with casing stress considerations
Manufactured in accordance with NEMA dimensional standards
Curve tolerance adheres to ISO 9906 guidelines.
Option on request:
Special mechanical seal
Other voltages or frequency 60Hz
Single phase motor with built-in capacitor
Warranty : 2 years
(according to our general sales conditions)

|
Components |
Material |
|
Pump external casing |
AISI 304 SS |
|
Delivery casing |
①Cast-Cu ASTM C85500②AISI 304 SS |
|
Suction lantern |
①Cast-Cu ASTM C85500②AISI 304 SS |
|
Diffuser |
Plastic.PC |
|
Impeller |
1.Plastic.POM02.Plastic.PPO |
|
Shaft |
AISI 304 SS |
|
Shaft coupling |
AISI 304 SS |
|
Wear ring |
AISI 304 SS |
|
Motor external casing |
AISI 304 SS |
|
Top chock |
①Cast-Cu ASTM C85500②AISI 420 SS |
|
③Cast-iron ASTM NO.30 |
|
|
Bottom support |
AISI 304 SS |
|
Mechanical seal |
Special seal for deep well(Graphite-Ceramic/TC) |
|
Shaft |
AISI 304 SS-ASTM 5140 |
|
Seal lubricant oil |
Oil for food machinery and pharmaceutic use. |


|
Model |
Power |
Delivery n≈2850 r/min |
|||||||||||||
|
1~220V-240V |
3~380V-415V |
KW |
HP |
Q(m³/h) |
0 |
1.2 |
2.4 |
3.6 |
4.8 |
6.0 |
7.2 |
8.4 |
9.6 |
10.8 |
12.0 |
|
Q(l/min) |
0 |
20 |
40 |
60 |
80 |
100 |
120 |
140 |
160 |
180 |
200 |
||||
|
4S□M8/5 |
4S□8/5 |
0.55 |
0.75 |
H(m) |
35 |
34 |
32 |
31 |
29 |
28 |
26 |
23 |
19 |
15 |
10 |
|
4S□M8/6 |
4S□8/6 |
0.75 |
1 |
42 |
41 |
39 |
37 |
35 |
34 |
31 |
27 |
23 |
18 |
12 |
|
|
4S□M8/7 |
- |
0.92 |
1.25 |
49 |
48 |
45 |
43 |
41 |
39 |
36 |
32 |
27 |
20 |
14 |
|
|
4S□M8/8 |
4S□8/8 |
1.1 |
1.5 |
56 |
55 |
52 |
49 |
47 |
45 |
41 |
36 |
31 |
23 |
16 |
|
|
4S□M8/9 |
- |
1.3 |
1.75 |
63 |
62 |
58 |
55 |
53 |
50 |
46 |
41 |
34 |
26 |
18 |
|
|
4S□M8/11 |
4S□8/11 |
1.5 |
2 |
77 |
76 |
71 |
67 |
65 |
62 |
57 |
50 |
42 |
32 |
22 |
|
|
4S□M8/13 |
- |
1.8 |
2.5 |
91 |
89 |
84 |
79 |
76 |
73 |
67 |
59 |
50 |
38 |
26 |
|
|
4S□M8/15 |
4S□8/15 |
2.2 |
3 |
105 |
103 |
97 |
92 |
88 |
84 |
77 |
68 |
57 |
44 |
30 |
|
|
4S□M8/18 |
4S□8/18 |
2.6 |
3.5 |
126 |
124 |
117 |
110 |
106 |
101 |
93 |
82 |
69 |
53 |
36 |
|
|
4S□M8/21 |
4S□8/21 |
3 |
4 |
146 |
144 |
136 |
128 |
123 |
118 |
108 |
96 |
80 |
61 |
41 |
|
|
- |
4S□8/27 |
4 |
5.5 |
188 |
186 |
175 |
165 |
159 |
151 |
139 |
123 |
103 |
79 |
53 |
|
|
- |
4S□8/33 |
5.5 |
7.5 |
230 |
227 |
214 |
201 |
194 |
185 |
170 |
150 |
126 |
97 |
65 |
|
|
- |
4S□8/40 |
7.5 |
10 |
279 |
275 |
259 |
244 |
235 |
224 |
206 |
182 |
153 |
117 |
79 |
|
4S□ in the above table can be replaced by any of 4SD,4SE,4SB,4SA
| Model | Power | Delivery n≈3450 r/min | |||||||||||
| 1~110-220V | 3~220-380V | KW | HP | Q(m³/h) | 0 | 1.2 | 2.4 | 3.6 | 4.8 | 6.0 | 7.2 | 8.4 | 9.6 |
| Q(l/min) | 0 | 20 | 40 | 60 | 80 | 100 | 120 | 140 | 160 | ||||
| 4S□M7/3 | 4□□7/3 | 0.55 | 0.75 | H(m) | 30 | 30 | 29 | 28 | 26 | 23 | 20 | 15 | 10 |
| 4S□M7/4 | 4□□7/4 | 0.75 | 1 | 41 | 40 | 39 | 37 | 35 | 31 | 26 | 20 | 14 | |
| 4S□M7/5 | 4□□7/5 | 0.92 | 1.25 | 51 | 50 | 48 | 46 | 43 | 39 | 33 | 25 | 17 | |
| 4S□M7/6 | 4□□7/6 | 1.1 | 1.5 | 61 | 60 | 58 | 56 | 52 | 47 | 39 | 30 | 20 | |
| 4S□M7/7 | 4□□7/7 | 1.3 | 1.75 | 71 | 70 | 67 | 65 | 60 | 54 | 46 | 35 | 24 | |
| 4S□M7/9 | 4□□7/9 | 1.5 | 2 | 91 | 90 | 87 | 83 | 78 | 70 | 59 | 45 | 30 | |
| 4S□M7/11 | 4□□7/11 | 1.8 | 2.5 | 111 | 110 | 106 | 102 | 95 | 85 | 72 | 55 | 37 | |
| 4S□M7/13 | 4□□7/13 | 2.2 | 3 | 132 | 130 | 125 | 120 | 112 | 101 | 85 | 65 | 44 | |
| - | 4□□7/15 | 2.6 | 3.5 | 152 | 150 | 144 | 139 | 129 | 116 | 98 | 75 | 51 | |
| - | 4□□7/17 | 3 | 4 | 172 | 170 | 164 | 157 | 147 | 132 | 111 | 85 | 57 | |
| - | 4□□7/19 | 3.7 | 5 | 192 | 190 | 183 | 176 | 164 | 147 | 124 | 95 | 64 | |
| - | 4□□7/22 | 4 | 5.5 | 223 | 220 | 212 | 204 | 190 | 171 | 143 | 110 | 74 | |
| - | 4□□7/25 | 5 | 7 | 253 | 250 | 241 | 231 | 216 | 194 | 163 | 125 | 84 | |
| 4□□7/28 | 5.5 | 7.5 | 284 | 280 | 270 | 259 | 242 | 217 | 182 | 140 | 95 | ||
| 4□□7/31 | 7 | 10 | 314 | 310 | 298 | 287 | 267 | 240 | 202 | 155 | 105 | ||
| 4□□7/34 | 7.5 | 10 | 344 | 340 | 327 | 315 | 293 | 264 | 221 | 170 | 115 | ||
4□□ in the above table can be replaced by any of 4SD,4SE,4SS,4SA,4QJ
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