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Application of Power plant application non clogging sewage pump horizontal type
Power plant
Domestic Water Supply
Fire Fighting
Circulation for Air-condition System
Agricultural Irrigation
Industrial Water Supply
Sea Water Pumping
Drainage
Municipal Projects
Description of Power plant application non clogging sewage pump horizontal type
The centrifugal pump is single-stage and single-suction centrifugal pump, which designed according to ISO2858 international standard and the replacement product of BA-type water pump.
It is widely used in industrial and municipal water supply and drainage, agricultural irrigation and can also be used for conveying water or physical and chemical properties similar to water or other liquids bellow 80° C.
The pump is also designed according to ISO2858 international standard, which designed for boiler feed water and hot water circulation system.
It could also be used for industrial and municipal water supply and irrigation, but the temperature should be not higher than 150° C.
Performance data of Power plant application non clogging sewage pump horizontal type
Pump Type |
Capacity (m3/h) |
Head (m) |
Motor Power(kw) |
QI 50 |
3.1 - 14 |
3.7-82 |
0.55-11 |
QI 65 |
6.1 - 30 |
3.8-115.4 |
0.55-30 |
QI 80 |
12 - 60 |
3.6-128 |
0.55-37 |
QI 100 |
24.3 - 120 |
3.7-133 |
1.1-75 |
QI 125 |
51.4 - 240 |
8.4-133 |
4-110 |
QI 150 |
104 - 240 |
13-53 |
11-45 |
QI 200 |
194-460 |
13.1-55 |
22-90 |
QI 250 |
320-760 |
22.6-52 |
75-132 |
QI 300 |
530-1200 |
21.9-38 |
90-132 |
Contact us for more detail.
Email: sherry at
Skype: pump_sales_sherry
Structure of Power plant application non clogging sewage pump horizontal type
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1.QI type pump is designed with performance and dimensions specified to the International Standard ISO 2858. The major components are casing (1) casing cover (2) impeller (3) shaft (4) wear ring (5) shaft sleeve (8) bearing bracket (12) etc.
2.QI pump is divided into the casing and the casing cover from the back face of the impeller i.e. back pull-out design.QI pump has the advantages for ease of inspection and maintenance. When inspection, only dismantle the intermediate connector between pump coupling and motor coupling. The rotating element can be completely removed without disturbing the casing, suction and discharge pipeline and motor.
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3.The pump volute form is composed of casing and casing cover. The rotating element consists of impeller, shaft and rolling bearing. The rotating element is carried by the rolling bearings mounted in a hanging bearing bracket and radial and axial thrust is supported by the bearings.
4.In order to balance axial thrust, there are both wear rings in front and at the back of the majority of the impeller and the balance hole is on the back shroud of the impeller. The axial thrust of some pumps is not big enough, so there is no wear ring and balance hole at the back of the impeller.
5.The shaft seal consists of packing gland (9) water seal ring (10) and packing (11) to prevent air from in taking or the amount of leakage. If there is a balance hole of the impeller, cavity for soft packing connects to the impeller entrance. If liquid of the impeller entrance is at vacuum state, it is easy for air entraining along the surface of the shaft sleeve. So water seal ring is in the stuffing box. Pressure water in the pump volute is led to water seal ring to be sealed. If there is no balance hole of the impeller, liquid pressure at the back face of the impeller is higher than atmosphere. There is no air leakage, so the water seal ring can not be packed.
6.The shaft sleeve is on the shaft to avoid excessive shaft wear. There is “O” ring between the shaft and the shaft sleeve to prevent air entrance or water leakage along the matched surface.
7.Drive is transmitted from the motor to the pump by a flexible coupling with the intermediate connector. Rotation is clockwise when viewed from the driven end.
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Thanks for your reading.
If you have any questions or requests, please contact us without any hesitate.
Sherry Lee
Email: sherry at
Skype: pump_sales_sherry
Send Inquiry to This Supplier
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