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Introduction
The QS series pumps are single stage, double suction, horizontal split case pumps designed for high-volume water transfer in a wide range of applications. These pumps are ideal for irrigation, industrial use, municipal water supply, and more. With 43 different sizes ranging from 80mm to 400mm discharge, they can handle capacities up to 4000 cubic meters per hour and heads up to 160 meters. The design allows for easy maintenance with simple assembly and disassembly, eliminating the need for special tools. All major wear components and replaceable parts are easily accessible, reducing downtime and effort during maintenance.
Features
* Designed with a horizontal, vertical axis medium open-type double pump shell structure, featuring lining made of cemented carbide or rubber for excellent wear resistance, corrosion resistance, and reliability.
* High-efficiency hard alloy with low NPSH (Net Positive Suction Head) for optimal performance.
* A brief type structure bearing part is used to meet various operating conditions, with high bearing capacity design and alloy grease lubrication.
* Adjusting the clearance between the protection board and impeller ensures efficient pump operation.
* Packing seal, impeller sealing, and container-type mechanical seals are available to suit different operating requirements.
* Pump and drive options include direct transmission, triangle, hydraulic transmission, coupled transmission, and reducer drive.
* Outflow direction can be installed at eight angles to adapt to different site installation conditions.
* Available in multiple series to satisfy long-distance transmission needs.
Technical Data
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Pump Outlet:
80-800mm
Capacity:
60-11,600m³/hr
Head:
7-200m
Temperature:
Max. 105ºC
Max. Working Pressure:
25 bar
Max. solids content:
80mg/L
Application
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* Fire Protection
* Water Transfer
* Municipal Water Supply
* Irrigation
* Industry
* Process Water
* Raw Water Supply
* Dewatering (Clean Water)
* Flood Mitigation
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Pump Performance
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Pump Model
Capacity
 (m³/h)Head(m)
Motor PowerÂ
(kW)SpeedÂ
(rpm)
NPSHÂ
(m)
150QS-50
160
50
37
2950
3.9
150QS-78
160
78
55
2950
3.7
200QS-42
280
42
45
2950
6
200QS-95
280
95
132
2950
5.3
250QS-14
485
14
30
1450
3.8
250QS-65
485
65
132
1450
3.1
300QS-90
790
90
315
1450
4.2
350QS-125
1260
125
710
1450
5.4
400QS-90
1620
90
560
1450
6.2
500QS-59
2020
59
450
970
4.5
600QS-75
3170
75
900
970
6
800QS-76
5500
76
1600
730
6
800QS-76
4400
49
800
585
4.2
Construction Material
QS type pumps are available in cast iron, ductile iron, and stainless steel materials.
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Part Description
Cast Iron
Ductile Iron
Stainless Steel
Casing
HT250
QT500
SS304
Shaft
ZG500
Impeller
HT250
QT500
SS304
Shaft Sleeves
3Cr13
Lantern Ring
HT250
QT500
SS304
Gland
HT250
Wearing Ring
HT250Â
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FAQ
Q: What kind of company are you?
A: An Pump Machinery is a professional manufacturer specializing in pumps. After years of development, we have established a complete system covering pump design, selection, application, manufacturing, marketing, and maintenance. We have obtained CE, SGS certifications, and our customers are located both domestically and internationally. We look forward to cooperating with friends around the world.
Q: What is your MOQ?
A: Trial sample orders are acceptable.
Q: What are your payment terms?
A: T/T, L/C, D/P, D/A, or as per customer requirements.
Q: What about the warranty?
A: One-year warranty on pumps, depending on other working conditions.
Q: What is the delivery time?
A: 7–30 days based on order quantity.
Q: Can you do OEM branding?
A: Yes, we welcome OEM services.
Q: What information should I provide to get a pump solution?
1. Head:Â Â Â Â Â m
2. Flow:    m³/h
3. Max Solid Size:Â Â Â Â mm
4. Particle Shape (Smooth or Sharp):
5. Medium pH Level:
6. Specific Gravity of the Medium:
7. Temperature:
8. Drive Type:
9. Power Supply: Electric or Diesel
10. Voltage and Frequency of the Motor:Â
Welcome to inquire!
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