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Contact: Lin Zhao
Company: Aier Machinery Hebei Co., Ltd
No. 48 Zhongxing St. Lincheng Economic Development Zone
Lincheng 054300
China
Phone: 031167962586
E-Mail: Send Inquiry
Date/Time:  8/14/21 2:05 GMT
 

QJ Submersible PUMP

QJ Submersible PUMP
General Description
The QJ submersible pump is mainly used for carrying water from a deep well and
boosting and is widely used in farmland irrigation, water draining in urban and
rural areas and mines and industrial enterprises and water conservancy works
including reservoir, fountain, cooling system and spa etc. The main features
are as follows: With easy to use, easy installation, easy maintenance,
environmental protection etc. Advantages, the electric diving pump which
collects the motor and water pump could work in the water and it is convenient
to use and repair.

Submersible Pump Manufacturers
We are a professional manufacturer of submersible pumps in China. In addition
to water pumps, we also supply various slurry pumps, gravel
pumps, desulfurization pumps, etc. According to different requests, we could
provide products with different materials like stainless steel casting,
stainless press-welding, bronze casting, plain iron casting, corrosion
resistant special material casting. The pump must be strict with outside
diameter, so the situations such as motor seal leaks and water pollution will
not occur.

Specifications
Size (discharge): 4" to 16"
Capacity: 2-500m3/hr
Head: 10m-500 m
Housepower: 0.75-450kw
Material: Cast Iron, Bronze, Stainless steel etc
AIER® QJ Submersible Pump

Conditions Of Usage
①Power: 380V/3-phase AC, 50Hz
②Water quality:
A. The temperature of water is below 20℃(high temperature resistance 80℃)
B. The solid content is less than 0.01% (depends on the quality)
C. PH 6.5-8.5
D. The content of hydrogen sulfide is less than 1.15mg/l
E. The content of oxide ion is less than 400mg/l
③The inner part of the submersible motor must be full of clean water and
submersible pump must sefely submerge to work.
④Mounting depth shall not exceed 20% of water pump rated head and well face
must be smooth and straight.

Main Features
1. The motor is wet submersible motor. The motor chamber must be filled with
clean water which is used for cooling motor and lubricating bearing. The
voltage regulating film on the base or motor is used for adjusting pressure
difference and dilation of water in the inner part of motor caused by motor
temperate changes.
2. In order to prevent the sand grains from a well from enter into the inner
part of motor, upper shall extension is installed two seals oils which are
installed backward and one sand off ring is installed.
3. To prevent water pump shaft from jumping, water pump shaft and motor shaft
are connected by coupling and a thrust bearing should be installed in the under
parts of motor.
4. The water lubricates the motor and water pump bearing.
5. The submersible motor winding wires are used for the stator winding. So it
insulates well
6. The centrifugal impeller and vertical blower inlet casing are used
for water pump and the structure is simple.
Construction Diagram
QJ submersible pump mainly consists of feed point, water pump shaft, impeller,
blower inlet casing, rubber bearing, check valve (option) etc. The submersible
motor consists of base, voltage regulating film, thrust bearing, thrust disc,
lower guide bearing block, stator, stator winding, rotor, upper guide, bearing
block, sand off ring, outlet cable, etc.
QJ Submersible PUMP
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