Water Pump
QI Centrifugal Water Pump
QI Centrifugal Water PumpIntroduction
QI centrifugalwater pump is a single stage, single suction pump for pumping clean water andthe other liquids physically and chemically similar to the clean water. Thispump is suitable for public water supply, drainage duties in industries andland irrigation in agriculture.
QI pump is designed as back pull out construction,which can help the end users maintenance much easier.
QI Centrifugal Water Pump Feature
1. QI centrifugal water pump comply with ISO2858 international standard.
2. Easy installation and moving, open back structure makes it easy to take outthe rotor;
3. Discharge on top center, pump body supported by anchor assure the stablestructure and maximum resistance off-center and distortion caused by line load;
4. No overload design, make sure performance operate stably;
5. Adopt national standard hydraulic model make sure high operation efficiencyand good anti-cavitation performance;
6. Packing seal and mechanical seal are available.
QI Centrifugal Water Pump Performance Data Sheet
| QI Centrifugal Water Pump Performance | |||||
| Pump Type | Capacity (m3/h) | Head (m) | Speed (rpm) | Motor Power(kw) | Eff (%) |
| QI 50 | 3-14 | 3.7-82 | 1450-2900 | 0.55-11 | 21.5-60 |
| QI 65 | 6-30 | 3.8-115.4 | 1450-2900 | 0.55-30 | 25-75 |
| QI 80 | 12-60 | 3.6-128 | 1450-2900 | 0.55-37 | 39-75 |
| QI 100 | 24.3-120 | 3.7-133 | 1450-2900 | 1.1-75 | 51-78 |
| QI 125 | 51.4-240 | 8.4-133 | 1450-2900 | 4-110 | 52-81 |
| QI 150 | 104-240 | 13-53 | 1450 | 11-45 | 62-81 |
| QI 200 | 194-460 | 13.1-55 | 1450 | 22-90 | 65.5-82 |
| QI 250 | 320-760 | 22.6-52 | 1480 | 75-132 | 67.5-84.5 |
| QI 300 | 530-1200 | 21.9-38 | 1480 | 90-132 | 61.66-107.6 |
QI Centrifugal Water PumpPerformance curve
QI Centrifugal Water PumpMaterials
There are different material for thepump parts for different liquids:
| No. | Country | Cast Iron | Ductile Iron | Stainless Steel 304 | Stainless Steel 316 |
| 1 | China | HT250 | QT500-7 | 0Cr18Ni9 | 0Cr17Ni12Mo2 |
| 2 | US | NO.35 | 70-50-05 | SS304 | SS316 |
| 3 | Japan | FC250 | FCD500 | SUS304 | SUS316 |
| 4 | Germany | GG25 | GGG50 | X5CrNi18.9 | X5CrNiMo18.10 |
| 5 | Italy | G25 | GS500-7 | | |
| 6 | France | FGL250 | FGS500-7 | Z6CN18.09 | Z6CND17.12 |
| 7 | ISO | 250 | 500-7 | 11 | 20,20a |
We could also do all kinds of special materials like bronze(brass), duplex stainless steel pump and parts for special application.
QI Centrifugal Water Pump Structure
| 1.Casing | 2.Casing Cover |
| 3.Impeller | 4.Shaft |
| 5.Wear Ring | 6. Impeller Nut |
| 7. Brake Gasket | 8.Shaft Sleeve |
| 9.Gland | 10.Water Seal Ring |
| 11.Packing | 12.Bearing Bracket |
QI Centrifugal Water Pump Application
1.Water supply system,air conditionsystem;
2.Clean,thin,non-corrosive,non-flammableor non-explosive liquid without grain or fiber;
3.Booster, constant pressure watersupply;
4.Firefighting, splitting system,farming irrigation/drainage;
5.Industry cooling, heatercirculation system;,industry transferring, drain system.
QICentrifugal Water Pump
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