3.5SDM5 3.5SDM6 Series Submersible Deep Well Water Pump
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Introducing the 3.5SDM5/3.5SDM6 Series Submersible Deep Well Water Pump, a robust and efficient solution for your water extraction needs. This multi-stage impeller vertical centrifugal pump is designed for reliability and performance in deep well applications.
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、This pump features a double rings hole design and a stainless steel thickened base, ensuring durability and long-lasting performance.The double rings hole design enhances the pump's efficiency and performance.
2、The stainless steel thickened base adds to the pump's durability and resistance to corrosion. This ensures that the pump can withstand the harsh conditions of being submerged in water for extended periods, providing reliable performance over time.
3、The submersible design of the pump allows it to be fully submerged in water, maximizing efficiency and minimizing noise. It eliminates the need for priming, making the pump easy to operate and maintain.
Operating Conditions:
Maximum fluid temperature up to +35℃
Maximum sand content : 0.25%
Minimum well diameter : 3.5"
Motor and Pump:
Rewindable motor
Single-phase: 220-240V/50Hz or Three-phase: 380-415V/50Hz compatibility
Equip with start control box or digital auto-control box
Pumps are designed by casing stressed
Curve tolerance according to ISO 9906
Special mechanical seal
Other voltages or frequency 60Hz
Single phase motor with built-in capacitor
Warranty:2 years
(according to our general sales conditions)
CE Certificate :

|
Components |
Material |
|
Pump external casing |
Stainless Steel |
|
Delivery casing |
1.Cast-Cu ASTM C85500 2.AISI 304 SS |
|
Suction lantern |
1.Cast-Cu ASTM C85500 2.AISI 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 |
Stainless Steel |
|
Oil Chamber |
®Cast-Cu ASTM C85500 |
|
②Cast-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≈2850r/min |
|||||||||
|
1~220-240V |
3~380-415V |
KW |
HP |
Q(m³/h) |
0 |
1.2 |
2.4 |
3.6 |
4.8 |
6.0 |
7.2 |
|
Q(l/min) |
0 |
20 |
40 |
60 |
80 |
100 |
120 |
||||
|
3.5S□M5/6 |
- |
0.37 |
0.5 |
H(m) |
33 |
31 |
30 |
27 |
24 |
18 |
10 |
|
3.5S□M5/8 |
3.5S□5/8 |
0.55 |
0.75 |
44 |
42 |
39 |
36 |
31 |
23 |
14 |
|
|
3.5S□M5/10 |
3.5S□5/10 |
0.75 |
1 |
55 |
53 |
49 |
45 |
39 |
29 |
17 |
|
|
3.5S□M5/12 |
- |
0.92 |
1.25 |
66 |
63 |
59 |
54 |
47 |
35 |
21 |
|
|
3.5S□M5/14 |
3.5S□5/14 |
1.1 |
1.5 |
77 |
73 |
69 |
63 |
55 |
41 |
24 |
|
|
3.5S□M5/16 |
- |
1.3 |
1.75 |
88 |
83 |
79 |
72 |
63 |
47 |
27 |
|
|
3.5S□M5/18 |
3.5S□5/18 |
1.5 |
2 |
99 |
94 |
89 |
81 |
71 |
53 |
31 |
|
|
- |
3.5S□5/21 |
1.8 |
2.5 |
116 |
110 |
104 |
95 |
83 |
62 |
36 |
|
|
- |
3.5S□5/25 |
2.2 |
3 |
138 |
130 |
123 |
113 |
98 |
73 |
43 |
|
|
Model |
Power |
Delivery n≈3450 r/min |
|||||||||||
|
1~110/220V |
3~220/380V |
KW |
HP |
Q(m³/h) |
0 |
0.9 |
1.8 |
2.7 |
3.6 |
4.5 |
5.4 |
6.3 |
7.2 |
|
Q(l/min) |
0 |
15 |
30 |
45 |
60 |
75 |
90 |
105 |
120 |
||||
|
3.5□□M6/3 |
3.5□□6/3 |
0.37 |
0.5 |
H(m) |
25 |
25 |
24 |
23 |
22 |
19 |
16 |
11 |
6 |
|
3.5□□M6/4 |
3.5□□6/4 |
0.55 |
0.75 |
34 |
33 |
32 |
31 |
29 |
25 |
26 |
15 |
8 |
|
|
3.5□□M6/6 |
3.5□□6/6 |
0.75 |
1 |
51 |
50 |
48 |
47 |
43 |
38 |
31 |
22 |
12 |
|
|
3.5□□M6/8 |
3.5□□6/8 |
0.92 |
1.25 |
67 |
66 |
65 |
62 |
58 |
51 |
42 |
30 |
16 |
|
|
3.5□□M6/10 |
3.5□□6/10 |
1.1 |
1.5 |
84 |
83 |
81 |
78 |
72 |
64 |
52 |
37 |
20 |
|
|
3.5□□M6/12 |
3.5□□6/12 |
1.3 |
1.75 |
101 |
99 |
97 |
93 |
87 |
76 |
63 |
45 |
24 |
|
|
3.5□□M6/14 |
3.5□□6/14 |
1.5 |
2 |
118 |
116 |
113 |
109 |
101 |
89 |
73 |
52 |
28 |
|
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