4"STM2 Deep well pump

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4”STM series

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4”STM series

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Product Description
Operation Conditions
Performance

Identification Code
4STM2-6
4:Well diameter:4"
ST:submersible pump model
M:Single phase motor(three phase without M)
2:Capacity(m/h)
6:Stage

Fields of Application
For water supply from wells or reservoir
For domestic use, for civil and industrial application
For garden use and irrigation

Accessories
Control switch, waterproof glue.

Technical Data
Suitable fluids
Clear, free from solid or abrasive substances,
Chemicallyu neutral and close to the characteristics of water Performance
Speed range:2850rpm
Fluid temperature range:-10℃~40℃
Max.Working pressure:40bar
Ambient Temperature
Permissible up to 40℃

Power
Single phase:1~240V/50Hz,
three-phase:380V~415V/50Hz

Motor
Degree of protection:IP68
Insulation class: B
Construction Materials
Casing both of pump and motor, pump shaft:stainless steel AISI304
Outlet and Inlet:bronze
Impeller and diffuser, non-return valve:thermoplastic resin PPO
Maximum fluid temperature up to +35℃.
Maximum sand content:0.25%.
Maximum immersion:80m.
Minimum well diameter:4".

Performance chart n≈2850rpm

PERFORMANCE DATA 50Hz

MODEL		POWER		Capacity and Head
SINGLE	THREE	kW	HP	m³/h	0	0.8	0.80	1	1.8	3.0	3.3	3.9
SINGLE	THREE	kW	HP	l/ min	0	10	15	20	30	50	54	65
4STM2/6	4ST2/6	0.37	0.5	Head (m)	45	38	35	28	24	18	10	5
4STM2/8	4ST2/8	0.55	0.75		60	50	46	45	40	28	18	8
4STM2/10	4ST2/10	0.75	1.0		75	65	61	55	46	26	26	16
4STM2/12	4ST2/12	1.1	1.5		90	84	80	76	64	36	36	26
4STM2/14	4ST2/14	1.1	1.5		105	100	90	80	75	70	60	38
4STM2/16	4ST2/16	1.5	2.0		120	110	95	85	73	70	63	41
4STM2/18	4ST2/18	1.5	2.0		135	120	110	100	90	80	70	52
4STM2/22	4STM2/22	2.2	3.0		165	150	140	130	120	105	90	63
4STM2/30	4STM2/30	3.0	4.0		225	215	205	190	180	175	130	75

DIMENSIONS AND WEIGHTS

MODEL	DN	DIMENSIONS(mm)
MODEL	DN	L1	L(s)	L(T)
4STM2-6	1¼"	371	739	724
4STM2-8	1¼"	420	843	828
4STM2-10	1¼"	470	753	933
4STM2-12	1¼"	558	1142	1102
4STM2-14	1¼"	608	1382	1322
4STM2-16	1¼"	707	1666	1591
4STM2-18	1¼"	845		1935
4STM2-22	1¼"

None

4"STM3 Deep well pump

None

4"STM3 Deep well pump

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