3.5SDM2 Double Rings Hole Design Stainless Steel Thickened Base Borehole Submersible Pump
View All Products
en
The 3.5SDM2 Borehole Submersible Pump is a reliable and efficient water pumping solution designed for borehole applications. It allows for efficient water flow and reduces energy consumption, ensuring optimal water extraction from boreholes.. Its durable construction, submersible design, and user-friendly operation make it a dependable choice for extracting water from boreholes.
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.
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 :
|
Materials Table |
||
|
NO. |
Part |
Material |
|
1 |
Pump external casing |
Stainless Steel |
|
2 |
Delivery casing |
Cast-Cu ASTM C85500 / AISI304SS |
|
3 |
Suction lantern |
Cast-Cu ASTM C85500 / AISI304SS |
|
4 |
Diffuser |
Plastic.PC |
|
5 |
Impeller |
Plastic.POM |
|
6 |
Pump shaft |
AISI 304 SS |
|
7 |
Shaft coupling |
AISI 304 SS |
|
8 |
Wear ring |
AISI 304 SS |
|
9 |
Motor external casing |
Stainless Steel |
|
10 |
Oil chamber |
① Cast-Cu ASTM C85500 ② Cast-iron ASTM NO.30 |
|
11 |
Bottom support |
AISI 304 SS |
|
12 |
Mechanical Seal |
Special seal for deep well (Graphite-Ceramic/TC) |
|
13 |
Seal lubricant oil |
Oil for food machinery and pharmaceutic use |
|
14 |
Motor shaft |
AISI 304 SS-ASTM 5140 |


|
Model |
Power |
Delivery n≈2850 r/min |
||||||||||||||
|
1~220-240V |
3~380-415V |
KW |
HP |
Q(m³/h) |
0 |
0.3 |
0.6 |
0.9 |
1.2 |
1.5 |
1.8 |
2.1 |
2.4 |
2.7 |
3.0 |
3.3 |
|
Q(l/min) |
0 |
5 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
55 |
||||
|
3.5S□M2/5 |
- |
0.18 |
0.25 |
H(m) |
29 |
29 |
29 |
28 |
27 |
26 |
24 |
22 |
19 |
17 |
14 |
10 |
|
3.5S□M2/7 |
- |
0.25 |
0.33 |
41 |
41 |
40 |
39 |
38 |
36 |
34 |
31 |
27 |
24 |
20 |
13 |
|
|
3.5S□M2/10 |
- |
0.37 |
0.5 |
59 |
59 |
58 |
56 |
54 |
52 |
48 |
44 |
39 |
34 |
28 |
19 |
|
|
3.5S□M2/14 |
3.5S□2/14 |
0.55 |
0.75 |
82 |
82 |
81 |
79 |
76 |
73 |
67 |
62 |
54 |
48 |
39 |
27 |
|
|
3.5S□M2/18 |
3.5S□2/18 |
0.75 |
1 |
106 |
105 |
104 |
101 |
98 |
93 |
87 |
80 |
70 |
62 |
51 |
35 |
|
|
3.5S□M2/22 |
- |
0.92 |
1.25 |
129 |
129 |
127 |
124 |
119 |
114 |
106 |
97 |
85 |
75 |
62 |
42 |
|
|
3.5S□M2/26 |
3.5S□2/26 |
1.1 |
1.5 |
153 |
152 |
150 |
146 |
141 |
135 |
125 |
115 |
101 |
89 |
73 |
50 |
|
|
3.5S□M2/30 |
- |
1.3 |
1.75 |
177 |
175 |
173 |
168 |
163 |
156 |
144 |
133 |
117 |
103 |
84 |
58 |
|
|
3.5S□M2/34 |
3.5S□2/34 |
1.5 |
2 |
200 |
199 |
196 |
191 |
184 |
177 |
163 |
150 |
132 |
116 |
95 |
65 |
|
|
- |
3.5S□2/40 |
1.8 |
2.5 |
235 |
234 |
231 |
225 |
217 |
208 |
192 |
177 |
155 |
137 |
112 |
77 |
|
|
- |
3.5S□2/46 |
2.2 |
3 |
271 |
269 |
265 |
258 |
249 |
239 |
221 |
203 |
179 |
157 |
129 |
88 |
|
|
Model |
Power |
Delivery n≈3450 r/min |
|||||||||
|
1~110V/220V |
3~220V/380V |
KW |
HP |
Q(m³/h) |
0 |
0.6 |
1.2 |
1.8 |
2.4 |
3.0 |
3.6 |
|
Q(l/min) |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
||||
|
3.5□□M2/5 |
3.5□□2/5 |
0.25 |
0.33 |
H(m) |
43 |
42 |
41 |
39 |
34 |
27 |
17 |
|
3.5□□M2/7 |
3.5□□2/7 |
0.37 |
0.5 |
60 |
59 |
58 |
55 |
48 |
38 |
24 |
|
|
3.5□□M2/10 |
3.5□□2/10 |
0.55 |
0.75 |
86 |
85 |
83 |
78 |
68 |
54 |
34 |
|
|
3.5□□M2/13 |
3.5□□2/13 |
0.75 |
1 |
111 |
110 |
108 |
102 |
88 |
71 |
44 |
|
|
3.5□□M2/16 |
3.5□□2/16 |
0.92 |
1.25 |
137 |
136 |
132 |
125 |
109 |
87 |
54 |
|
|
3.5□□M2/19 |
3.5□□2/19 |
1.1 |
1.5 |
163 |
161 |
157 |
149 |
129 |
103 |
64 |
|
|
3.5□□M2/22 |
3.5□□2/22 |
1.3 |
1.75 |
188 |
187 |
182 |
172 |
150 |
120 |
74 |
|
|
3.5□□M2/25 |
3.5□□2/25 |
1.5 |
2 |
214 |
212 |
207 |
196 |
170 |
136 |
84 |
|
A single water source often needs to support more than one purpose. Residential properties may require water for bathroo...
READ MOREFast installation has become a strong selling point for modern pumping equipment. Homeowners, agricultural users, and co...
READ MORESolar-driven pumping systems operating in corrosive groundwater environments face a persistent challenge: material degra...
READ MORE
Carbon steel flange Working temperature: -10°C~99°C (Butyl) -10°C~99°C (EPDM) 0°...
See Details
Stainless steel Working temperature: -20°C~99°C (Butyl) -20°C~99°C (EPDM) 0°C~77...
See Details
Easy Installation Hot And Cold Water Circulation Pump Inlet / Outlet: 1 1/2" x ...
See Details
Strong driving force Brass Impeller Self-priming JET Pump pump with Gasket
See Details
Rated input voltage : AC220V/50Hz-60Hz Rated output power : 0.18-1.5kW Protectio...
See Details
Rated input voltage : AC380V, Three phase 50Hz/ 60Hz Rated output power : 18.5-9...
See Details













