4SDM8 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.
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.
6、Maximum fluid temperature up to +35℃
7、Maximum sand content : 0.25%
8、Minimum well diameter : 4"
1. Rewindable electric motor
2. Single-phase voltage options: 220-240V/50Hz or Three-phase voltage options: 380-415V/50Hz
3. Equipped with a start control box or a digital auto-control box
4. Pumps are designed with casing stress considerations
5. Manufactured in accordance with NEMA dimensional standards
6. Curve tolerance adheres to ISO 9903 guidelines.
Special mechanical seal
Other voltages or frequency 60Hz
Single phase motor with built-in capacitor

|
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 |
Plastic.POM |
|
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 |
Deliver |
||||||||||||
|
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 |
|
Q(l/min) |
0 |
20 |
40 |
60 |
80 |
100 |
120 |
140 |
160 |
180 |
||||
|
4SDM8/5 |
4SD8/5 |
0.55 |
0.75 |
H(m) |
32 |
31 |
28 |
26 |
25 |
24 |
22 |
18 |
14 |
9 |
|
4SDM8/6 |
4SD8/6 |
0.75 |
1 |
38 |
37 |
33 |
32 |
30 |
28 |
26 |
22 |
17 |
11 |
|
|
4SDM8/7 |
4SD8/7 |
0.92 |
1.25 |
44 |
43 |
39 |
37 |
35 |
33 |
30 |
26 |
20 |
13 |
|
|
4SDM8/8 |
4SD8/8 |
1.1 |
1.5 |
50 |
49 |
45 |
42 |
40 |
38 |
35 |
30 |
23 |
15 |
|
|
4SDM8/9 |
4SD8/9 |
1.1 |
1.5 |
57 |
55 |
51 |
47 |
45 |
43 |
39 |
33 |
26 |
17 |
|
|
4SDM8/10 |
4SD8/10 |
1.3 |
1.75 |
63 |
61 |
56 |
53 |
50 |
48 |
43 |
37 |
28 |
18 |
|
|
4SDM8/12 |
4SD8/12 |
1.5 |
2 |
76 |
73 |
67 |
63 |
60 |
57 |
52 |
44 |
34 |
22 |
|
|
4SDM8/14 |
4SD8/14 |
1.8 |
2.5 |
88 |
86 |
79 |
74 |
70 |
67 |
61 |
52 |
40 |
26 |
|
|
4SDM8/17 |
4SD8/17 |
2.2 |
3 |
107 |
104 |
96 |
90 |
85 |
81 |
74 |
63 |
48 |
31 |
|
|
4SDM8/20 |
4SD8/20 |
2.6 |
3.5 |
126 |
122 |
112 |
105 |
100 |
95 |
87 |
74 |
57 |
37 |
|
|
4SDM8/23 |
4SD8/23 |
3 |
4 |
145 |
141 |
129 |
121 |
115 |
109 |
100 |
85 |
6 |
42 |
|
|
- |
4SD8/26 |
3.7 |
5 |
164 |
159 |
146 |
137 |
130 |
124 |
113 |
96 |
74 |
48 |
|
|
- |
4SD8/30 |
4 |
5.5 |
189 |
183 |
169 |
158 |
150 |
143 |
130 |
111 |
85 |
55 |
|
|
- |
4SD8/36 |
5.5 |
7.5 |
227 |
220 |
202 |
190 |
180 |
171 |
156 |
133 |
102 |
66 |
|
|
- |
4SD8/42 |
7.5 |
10 |
265 |
257 |
236 |
221 |
210 |
200 |
182 |
155 |
119 |
77 |
|
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