Name: 3.5SDM2 Double Rings Hole Design Stainless Steel Thickened Base Borehole Submersible Pump
Brand: Taizhou Edwin Electric Co., Ltd.

Description :

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.
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

Options 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)

CE Certificate :

Components and Materials :

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

Performance Curves :

Technical Data ( 50Hz ) :

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
1~220-240V	3~380-415V	KW	HP	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

3.5S□ in the above table can be replaced by any of 3.5SD,3.5SE,3.5SB

Technical Data ( 60Hz ) :

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
1~110V/220V	3~220V/380V	KW	HP	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