Wholesale 4SDM20 4SDM18 Large Flow High Efficiency Submersible Deep Well Water Pump Supplier, OEM/ODM Company

Description :

The 4SDM20/4SDM18 Series Submersible Deep Well Water Pump is a high-performance solution designed for large flow applications in deep well environments. Engineered for reliability and efficiency, this pump is ideal for a variety of uses, including water supply from wells or reservoirs, domestic use, civil and industrial applications, and garden irrigation.

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、The anti-corrosion feature of the pump ensures its resistance to corrosion caused by water or other environmental factors. This enhances the longevity and durability of the pump, making it suitable for long-term use in various water conditions.
2、The sand resistance feature is designed to handle sand and other abrasive particles commonly found in boreholes. It prevents clogging and damage to the pump, ensuring smooth and efficient operation even in challenging environments.
3、The high-quality float impeller of the pump contributes to its overall performance and efficiency. It is designed to efficiently move water, providing reliable and consistent water pumping from the borehole.
4、The 4SDM20/4SDM18 pump is specifically designed for borehole applications, allowing it to be fully submerged in water. This submersible design maximizes efficiency and minimizes noise, making it suitable for various settings including residential, commercial, or agricultural.

Operating Conditions:

Maximum fluid temperature up to +35℃
Maximum sand content : 0.25%
Minimum well diameter : 4"

Motor and Pump:

Electric motor with rewind capability

Single-phase: 220-240V/50Hz or Three-phase: 380-415V/50Hz compatibility

Equipped with a control box for manual start or digital automatic control

Pumps are designed with consideration for casing stress factors

Complies with NEMA dimensional standards

Curve tolerances adhere to ISO 9906 guidelines for accuracy.

Options on request:

Special mechanical seal
Single phase motor with built-in capacitor

Warranty : 2 years

(according to our general sales conditions)

CE Certificate :

Components :

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.POM 2.Plastic.PPO
Shaft	AISI 304 SS
Shaft coupling	AISI 304 SS
Wear ring	AISI 304 SS
Motor external casing	AISI 304 SS
Oil chamber	①Cast-Cu ASTM C85500 ②AISI 420 SS
Oil chamber	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.

Performance Curves :

Performance Data ( 50Hz ) :

Model		Power		Delivery n≈2850 r/min
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	3	6	9	12	15	18	21	24	27	24	27
1~220-240V	3~380-415V	KW	HP	Q(l/min)	0	50	100	150	200	250	300	350	400	450	400	450
4S□M20/3	-	0.92	1.25	H(m)	19	18	17	15	13	12	10	9	7	4	7	4
4S□M20/4	4S□M20/4	1.1	1.5		25	24	23	20	18	16	14	12	9	5	9	5
4S□M20/5	-	1.3	1.75		31	40	29	25	22	20	17	15	11	6	11	6
4S□M20/6	4S□M20/6	1.5	2		38	37	35	31	27	24	21	18	13	8	13	8
4S□M20/7	-	1.8	2.5		44	44	40	36	31	28	24	21	15	9	15	3
4S□M20/8	4S□M20/8	2.2	3		50	49	46	41	35	32	28	23	17	10	17	10
4S□M20/9	4S□M20/9	2.6	3.5		56	55	52	46	40	36	31	26	20	12	20	12
4S□M20/11	4S□M20/11	3	4		69	67	63	46	49	44	38	32	24	14	24	14
-	4S□M20/14	4	5.5		88	85	81	71	62	56	49	41	31	18	28	17
-	4S□M20/17	5.5	7.5		106	104	98	87	76	68	60	50	37	22	33	19
-	4S□M20/20	7.5	10		125	122	115	102	89	80	70	59	44	26	39	23

4S□ in the above table can be replaced by any of 4SD,4SE,4SB,4SA

Performance Data ( 60Hz ) :

Model		Power		Delivery n≈3450 r/min
1~110-220V	3~220-380V	KW	HP	Q(m³/h)	0	3	6	9	12	15	18	21	24	27
1~110-220V	3~220-380V	KW	HP	Q(l/min)	0	50	100	150	200	250	300	350	400	450
4□□M18/3	4□□18/3	1.5	2	H(m)	25	25	24	22	20	18	16	13	11	7
4□□M18/4	4□□18/4	1.8	2.5		34	33	33	30	27	24	21	18	14	10
4□□M18/5	4□□18/5	2.2	3		42	41	41	37	34	30	26	22	18	12
-	4□□18/6	2.6	3.5		51	50	49	45	41	36	31	27	21	15
-	4□□18/7	3	4		59	58	57	52	48	42	36	31	25	17
-	4□□18/8	3.7	5		67	66	65	59	54	48	42	35	29	19
-	4□□18/9	4	5.5		76	75	73	67	61	54	47	40	32	22
-	4□□18/10	5	7		84	83	81	74	68	60	52	44	36	24
-	4□□18/11	5.5	7.5		93	91	90	82	75	66	57	49	39	27
-	4□□18/12	5.5	7.5		101	99	98	89	81	72	63	53	43	29
-	4□□18/13	7	10		110	108	106	97	88	78	68	58	46	32
	4□□18/14	7.5	10		118	116	114	104	95	84	73	62	50	34