4" QJS series deep well pump is a top-grade product based on the advanced technique from America and Italy, using stainless steel for casing, shaft, spline, outlet and inlet, high-strength and abrasion-resistant modified composite PC material for impeller and diffuser, adopting brand-new "Folding impeller" structure and scientific "fluidics-designed strainer holes" . With artistic appearance, effecient motor, large flow and high head, this series shows great advantages in borehole cost reduction, long service life, and power saving, making it qualified for mining, agriculture, aquaculture, and family water supply.

Pump:
Maximum fluid temperature: 35℃
Maximum sand content: 0.25%
Insulation class: B
Protection grade: IP68
Frequency :50hz

COMPONENTS	MATERIAL
Motor external casting	AISI304/201
Oil bag clamp	AISI304/201
Bottom bearing chock	Cast-iron HT200
Top bearing box	Cast-iron HT200
Rotator	AISI304
Connector	AISI304
Outlet	AISI304
Pump external casing	AISI304
Splinted hub	AISI304
Strainer mesh	AISI304
Diffuser	AISI304
Impeller	AISI304
Cover plate	PPO
Shaft	AISI304/410
Shaft coupling	AISI304
Outlet diameter	1.25" 1.5"
Control box	Start control box/ automatic control box

Model Analysis

100QJS2/5

100---PUMP OUTER DIAMETER(4"/96mm)

QJS---PUMP NAME

2----HEAD(m3/h)

5---IMPELLER NUMBER

Technical Data:

Model		Power		Flow(m3/h)	0	0.5	1	1.5	2	2.5	3	3.5	4
Single Phase 220V-240V/50HZ	Three Phase  380V-415V/50HZ	HP	KW
100QJS2/5		0.4	0.3	Head(m)	29	28	27	26	25	23	21	17	15
100QJS2/7		0.5	0.37		41	40	38	37	35	32	26	24	19
100QJS2/9	100QJS2/9	0.75	0.55		53	51	49	47	45	42	36	31	26
100QJS2/11	100QJS2/11	1	0.75		65	63	60	58	55	52	46	39	34
100QJS2/14	100QJS2/14	1.2	0.9		84	82	80	76	70	65	55	47	40
100QJS2/17	100QJS2/17	1.5	1.1		99	95	90	86	80	75	63	55	46
100QJS2/20	100QJS2/20	2	1.5		122	118	112	107	100	94	85	75	64
100QJS2/30	100QJS2/30	3	2.2		183	177	171	163	154	143	131	117	101
	100QJS2/38	4	3		224	215	206	198	183	175	148	141	126
	100QJS2/46	5.5	4		266	258	251	237	220	211	171	166	133
	100QJS2/58	7.5	5.5		335	320	304	292	278	266	223	190	168
	100QJS2/76	10	7.5		435	424	412	394	385	357	334	285	259