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End Suction Pump


1. QI End Suction Pump introduction
QI(R) Centrifugal end suction pump is a single stage, single suction pump for pumping clean water and the other liquids physically and chemically similar to the clean water. This pump is suitable for public water supply and drainage duties in industries and land irrigation also in agriculture.
QI(R) pump is designed as back pull out construction, which can help the end user maintenance much easier.
QIR types are mainly used in the hot water circulation, which allowed the medium to 150 oC
It also have many different materials design for meeting different working conditions.


2. QI End Suction pump Feature


1) The temperature of liquid shall not be over 80 oC for type QI. And QIR can be to 150 oC.
2) The major components are casing, casing cover, impeller, shaft, wear ring, shaft sleeve, bearing bracket etc.
3) 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.

3.QI End Suction pump Application


Industry Plumbing Applications
General water supply Circulation of HVAC building systems , water booster service ,
boiler feed , general circulation service and more .
Agriculture / Food / Beverage Irrigation , water supply , food processing , beverage processing
, fertilizers .
Manufacturing Pulp and paper fans , plastic & rubber , metal & steel ,
pharmaceutical , paper mills , air wash , marine ballast service .
Fire / Disaster Relief Fire pumps , fire protection , flood control , disaster relief ,
federal / military .
Utilities : Water / Wastewater Power Generation stations , dewatering , desalination ,
energy recovery turbines
Chemical / Mining Chemical plants , refineries , petroleum distribution , coal sites ,
ethylene glycol pumping .


More:
•Water supply system; Heat, air condition system
•Clean,thin,non-corrosive,non-flammable or non-explosive liquid without grain or fiber
•Booster, constant pressure water supply
•Firefighting, splitting system, farming irrigation/drainage
•Industry cooling, heater circulation system; Industry transferring, drain system


4. QI End Suction pump Materials
The QI End Suction pump is widely used for clean water, sea water and chemical processing. There are different material for the pump parts for different liquid pumped:


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.

5. QI End Suction 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

6. QI End Suction Pump Atlas Curve



7. QI End Suction Pump Performance Data Sheet

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

It is only partly of the pumps we could do, please contact us for more!

8. QI End Suction pump Size



Pump (Kw)
Frame size/Power
Overall and installation Dimensions
A L1 L2 L3 L4 a f x c L5 B1 B2 B3 h1 h2 h3 H H1 H2 n-φd
QI50-32-125 Y80-4/0.55 80 820 150 540 285 80 385 100 3 850 150 360 320 112 170 25 237 377 327 4-φ18.5
Y80-2/1.1
Y90S-2/1.5 310 875 155 190 337
Y90L-2/2.2 920 170 600 335 900 390 350
QI50-32-160 Y80-4/0.55 80 820 150 540 285 80 385 100 3 850 150 360 320 132 170 25 257 417 347 4-φ18.5
Y90S-2/1.5 310 875 155 190 357
Y90L-2/2.2 920 170 600 335 900 390 350
Y100L-2/3 380 945 180 245 402
QI50-32-200 Y80-4/0.55 80 820 150 540 285 80 385 100 3 850 150 360 320 160 170 25 285 465 375 4-φ18.5
Y80-4/0.75
Y100L-2/3 920 170 600 380 945 180 390 350 245 430
Y112M-2/4 400 965 190 265 438
Y132S-2/5.5 1020 190 660 475 1040 210 450 400 315 30 498 4-φ24

Above just some models for your reference. If need more, contact us please!
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