Name: 4ST Series 4 inch Stainless Steel Construction Electric Water Pump for Deep Well
Brand: Taizhou Edwin Electric Co., Ltd.

Description :

The 4ST Series 4 inch Stainless Steel Construction Electric Water Pump for Deep Well is a specialized pump designed for deep well applications. It is known for its stainless steel construction, powerful motor, and reliable performance.

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 deep well pump is its stainless steel construction. Stainless steel is a durable and corrosion-resistant material, making it ideal for use in deep well environments where the pump is exposed to water and potentially corrosive elements. The stainless steel construction ensures the pump's longevity and reliable performance, even in challenging conditions.

2、The pump is equipped with a powerful motor, providing sufficient power to pump water from considerable depths. This makes it suitable for applications such as residential water supply, irrigation, or industrial use.

3、The 4-inch size of the pump allows for easy installation in standard-sized wells. It is designed to efficiently extract water from deep underground sources and deliver it to the surface.

Operating Conditions :

Maximum fluid temperature up to +35℃
Maximum sand content : 0..01%
Minimum well diameter : 4"

Motor and Pump :

Equip with start control box or digital auto-control box

NEMA dimension standards

Curve tolerance according to ISO 9906

Options on request :

Special mechanical seal
Single phase motor with built-in capacitor

Warranty : 2 years

(according to our general sales conditions)

Certificate :

Components and Material :

Components	Material
Delivery casing	AISI 304 SS
Suction lantern	AISI 304 SS
Diffuser	Plastic.PC
Impeller	AISI 304 SS
Shaft	AISI 304 SS
Shaft coupling	AISI 304 SS
Wear ring	AISI 304 SS
Motor external casing	AISI 304 SS
Oil chamber	1.Cast-iron ASTM NO.30 2.Cast-Cu ASTM C85500
Bottom support	AISI 304 SS
Seal	NBR Graphite-SIC/TC
Shaft	AISI 304 SS-ASTM 5140
Seal lubricant oil	Oil for food machinery and pharmaceutic use.

Performance Curves :

Technical Data (50Hz) :

Model		Power		Delivery n≈2850r/min
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	0.5	1	1.5	2	2.5	3
1~220-240V	3~380-415V	KW	HP	Q(l/min)	0	8	16	24	32	40	48
4STM2/6	4ST2/6	0.37	0.5	H(m)	37	35	34	30	24	20	15
4STM2/9	4ST2/9	0.37	0.5		55	51	48	45	36	30	20
4STM2/13	4ST2/13	0.55	0.75		80	76	72	64	52	44	31
4STM2/18	4ST2/18	0.75	1		110	106	99	89	73	66	43
4STM2/23	4ST2/23	1.1	1.5		141	134	127	114	92	77	56
4STM2/28	4ST2/28	1.5	2		171	162	158	139	112	94	68
4STM2/33	4ST2/33	1.5	2		202	195	187	163	132	111	87
4STM2/40	4ST2/40	2.2	3		245	238	225	198	160	135	99
4STM2/48	4ST2/48	2.2	3		294	278	270	237	192	161	119
4STM2/55	4ST2/55	3	4		336	320	308	272	220	185	135

Model		Power		Delivery n≈2850r/min
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	1.2	2	3	3.6	4	4.8
1~220-240V	3~380-415V	KW	HP	Q(l/min)	0	20	33	50	60	67	80
4STM3/6	4ST3/6	0.37	0.5	H(m)	38	33	30	26	21	19	13
4STM3/9	4ST3/9	0.55	0.75		57	50	45	38	31	28	19
4STM3/12	4ST3/12	0.75	1		76	68	60	51	42	37	26
4STM3/15	4ST3/15	1.1	1.5		95	82	74	64	53	46	32
4STM3/18	4ST3/18	1.1	1.5		113	98	89	77	63	56	39
4STM3/22	4ST3/22	1.5	2		139	122	109	94	78	68	47
4STM3/25	4ST3/25	1.5	2		158	140	124	107	90	78	54
4STM3/32	4ST3/32	2.2	3		202	175	158	137	114	99	68
4STM3/39	4ST3/39	3	4		246	213	193	167	139	121	83
4STM3/44	4ST3/44	3	4		277	242	218	188	154	136	94
4STM3/52	4ST3/52	4	5.5		328	282	257	222	189	161	111

Model		Power		Delivery n≈2850r/min
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	1	2	3	5	6	6.6
1~220-240V	3~380-415V	KW	HP	Q(l/min)	0	16.6	33.2	49.8	83	99.6	109.5
4STM5/04	4ST5/04	0.37	0.5	H(m)	25	24	22	20	16	12	8
4STM5/06	4ST5/06	0.55	0.75		38	36	33	30	24	18	13
4STM5/08	4ST5/08	0.75	1		50	47	44	40	32	24	17
4STM5/12	4ST5/12	1.1	1.5		76	72	67	60	48	36	25
4STM5/17	4ST5/17	1.5	2		107	99	91	85	68	51	36
4STM5/22	4ST5/22	2.2	3		139	130	122	110	88	66	46
4STM5/25	4ST5/25	2.2	3		159	145	137	125	100	75	53
4STM5/33	4ST5/33	3	4		208	192	182	165	132	99	69
4STM5/38	4ST5/38	4	5.5		239	220	209	190	152	114	80
4STM5/40	4ST5/40	4	5.5		252	241	223	200	160	120	84
4STM5/44	4ST5/44	4	5.5		275	259	242	220	176	132	92
4STM5/52	4ST5/52	5.5	7.5		326	302	287	260	208	156	109

Model		Power		Delivery n≈2850r/min
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	2	4	6	8	10	12
1~220-240V	3~380-415V	KW	HP	Q(l/min)	0	33	66	100	133	166	199
4STM8/05	4ST8/05	0.75	1	H(m)	32	30	26	25	21	15	10
4STM8/07	4ST8/07	1.1	1.5		44	41	36	35	30	21	13
4STM8/10	4ST8/10	1.5	2		63	59	52	50	43	30	19
4STM8/12	4ST8/12	2.2	3		76	70	63	60	51	36	23
4STM8/14	4ST8/14	2.2	3		89	84	74	70	60	42	27
4STM8/18	4ST8/18	3	4		114	109	95	90	77	54	34
4STM8/21	4ST8/21	4	5.5		133	128	115	105	90	63	40
4STM8/24	4ST8/24	4	5.5		152	145	132	120	103	72	46
4STM8/30	4ST8/30	5.5	7.5		190	183	166	150	129	90	57
4STM8/35	4ST8/35	5.5	7.5		221	211	192	175	150	105	67
4STM8/40	4ST8/40	7.5	10		125	243	228	200	172	120	76
4STM8/44	4ST8/44	7.5	10		278	268	243	220	189	132	84

Model		Power		Delivery n≈2850r/min
1~220-240V	3~380-415V	KW	HP	Q(m³/h)	0	6	8	10	14	16	18
1~220-240V	3~380-415V	KW	HP	Q(l/min)	0	100	133	166	232	257	299
4STM14/05	4ST14/05	1.5	2	H(m)	35	31	29	26	20	16	14
4STM14/07	4ST14/07	2.2	3		49	42	40	35	28	23	19
4STM14/10	4ST14/10	3	4		70	60	57	51	40	32	27
4STM14/13	4ST14/13	4	5.5		91	79	74	67	52	42	35
4STM14/15	4ST14/15	5.5	7.5		105	89	85	76	60	48	41
4STM14/18	4ST14/18	5.5	7.5		126	110	103	91	72	58	49
4STM14/21	4ST14/21	7.5	10		147	128	119	106	84	67	55
4STM14/25	4ST14/25	7.5	10		175	151	143	129	100	80	65