4"STM4 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
4STM4-6
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		Q=CAPACITY
SINGLE	THREE	kW	HP	m³/h	0	1.2	1.8	2.4	3	3.6	4.2	4.8	5.4
SINGLE	THREE	kW	HP	l/ min	0	20	30	40	50	60	70	80	90
4STM4/6		0.37	0.5	Head (m)	44	40	38	36	34	30	24	18	12
4STM4/8		0.55	0.75		59	53	51	48	45	40	32	24	16
4STM4/10		0.75	1		74	66	63	60	57	50	40	30	20
4STM4/14	4ST4/14	1.1	1.5		104	92	89	84	79	70	56	42	28
4STM4/18	4ST4/18	1.5	2		133	119	114	108	102	90	72	54	34
4STM4/22	4ST4/22	2.2	3		163	145	139	132	125	110	88	66	44
4STM4/24	4ST4/24	2.2	3		178	158	152	144	136	120	96	72	48
	4ST4/32	3	4		237	211	203	192	181	160	128	96	64
	4ST4/40	4	5.5		296	264	253	240	226	200	160	120	80
	4ST4/48	5.5	7.5		355	317	304	288	272	240	192	144	96
			7.5		385	343	329	312	294	260	208	156	104

DIMENSIONS AND WEIGHTS

MODEL	DN	DIMENSIONS(mm)
MODEL	DN	L1	L(s)	L(T)
4ST(M)4-6	1¼" 1½"	403	728
4ST(M)4-8	1¼" 1½"	461	801
4ST(M)4-10	1¼" 1½"	519	879	859
4ST(M)4-14	1¼" 1½"	635	1035	995
4ST(M)4-18	1¼" 1½"	784	1234	1184
4ST(M)4-22	1¼" 1½"	899	1379	1349
4ST(M)4-24	1¼" 1½"	957	1482	1407
4ST4-32	1¼" 1½"	1188		1668
4ST4-40	1¼" 1½"	1420		1980
4ST4-48	1¼" 1½"	1652		2282
4ST4-52	1¼" 1½"	1768		2398

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