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%
Motor:
Power:Single phase:0.37~2.2kW 220~240V
Three phase: 0.75~7.5kW 380~415V
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

100QJS4/4

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

QJS---PUMP NAME

4----HEAD(m3/h)

4---IMPELLER NUMBER

Technical Data

Model		Power		Flow(m3/h)	0	0.8	1.6	2.4	3.2	4	4.8	5.6	6.4
Single Phase 220V-240V/50HZ	Three Phase  380V-415V/50HZ	HP	KW
100QJS4/4		0.5	0.37	Head(m)	25	24	23	21	20	18	16	14	11
100QJS4/6	100QJS4/6	0.75	0.55		35	34	33	31	29	27	24	21	17
100QJS4/9	100QJS4/9	1	0.75		55	54	52	50	47	41	36	30	25
100QJS4/11	100QJS4/11	1.2	0.9		65	64	61	57	54	50	43	35	26
100QJS4/12	100QJS4/12	1.5	1.1		69	68	66	63	60	54	48	44	32
100QJS4/16	100QJS4/16	2	1.5		95	94	89	84	80	72	64	59	43
100QJS4/21	100QJS4/21	3	2.2		124	123	115	110	105	94	84	77	54
	100QJS4/30	4	3		179	177	166	158	151	135	120	110	81