Q Extra Big Submersible Pump

lift: 10-600m
flow: 10-500m³/h
power: 15-410KW

Q Submersible Pump Contain:

150QJ,175QJ,200QJ,250QJ,300QJ,400QJ,QJR,QY,QD,QS etc series pump

Q Submersible Pump Product Overview :

widely used in farmland irrigation, spray irrigation and water-use, industrial and civil buildings, mountain diversion and in low-lying areas dunes, urban and rural mining supply, drainage and other water conservancy facilities.

Q using condition:

(1). 380V voltage deviation is no more than ±5%,frequency is 50HZ, three -phase power deviation is no more
than ±1%.
(2). Motor cavity must be filled with water.
(3). The first stage impeller of the pump should be more than 2mm below the moving water surface, pump unit
should be less than 70m below the static water level.
(4). The distance from the motor bottom to well bottom must be more than 3m.
(5). Water temperature should be no more than 20°C.
(6). Sand content of the water ( by mass) should be no more than 0.01%.
(7). PH value of water 6.5-8.5.
(8). Hydrogen sulfide content of the water should be no more than 1.5mg/L.
(9). Chloride ion content of the water should be no more than 400mg/L.
(10). Water yield of water source should ensure the requirements of pump continuous working.


Impeller: Cast iron HT200,or stainless steel
Pump bowl: Cast iron HT200,or stainless steel,such as ss304, ss316, ss316L
Pump shaft : Cold-drawn steel with chrome plating,or stainless steel ss304 ss316 and ss316L
Motor Seal: Rubber O-ring seal,mechanical seal
Motor regulating sleeve: rubber


1. Motors and pumps assembled into one.
2. Simple structure.
3. Easy installation and removal, small area.
4. Simple using and maintenance.
5. Safe and reliable operation, no pollution to water, etc.