大富翁水果机

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Stainless Steel Vertical Multistage Pump

1.QDL Vertical Multistage Water booster pump introduction


booster -pump

大富翁水果机 QDL pump vertical multistage centrifugal pumps for the transport of water and physical and chemical properties similar to water liquids, QDL type pump transmission medium temperature 0 ℃ ~ 80 ℃, QDLR type pump transmission medium temperature 0 ℃ ~ 130 ℃. Pump inlet pressure must not exceed 0.6MPa.

QDL type pump for vertical installation, with a compact, low noise, small footprint, etc., mainly used in the city town high-rise building water supply and central heating systems, fire systems, air conditioning systems, water supply systems and other industrial and mining enterprises.

2.QDL Vertical Multistage Water pump Structure and Feature
1. Section Casing
2. Seal Ring/ Seal Pad
3. Stage Casing
4. Impeller
5. Balancing Sleeve
6. Balancing Piston
7. Discharge Casing
8. Shaft
9. Mechanical Seal/ Filling Body
10.Shaft Sleeve
11.Water Retaining Sleeve
12.Bearing Support
13.Thrust Ball Bearing
14.Bearing Cover
15.Linkage Stand
16.Coupling
17.Mechanical Seal/Gland Cover
18.Balancing Pipe Part
19.Last-Stage Guide Vanes
20.Guide Vane
21.Water Lubricated Bearing Body
22.Sand-proof Tube

QDL type pump suction intake is located on the lower portion of the inlet section of pump, outlet is located on top of the pump discharge segment, both in horizontal direction. The outlet of the pump can keep the angle of 90 °, 180 °, 270 ° with suction intake according to the user's needs (when the regular installation as 0 °).
Pumps mainly composed of suction segment, middle segment, discharge segment, bearing bracket, motor bracket, impeller, guide vanes, shafts, bearings, shaft sleeve, balance drum etc other parts. Suction segment, middle segment, discharge segment, bearing bracket form of working room. Shaft, impeller, balancing drum and shaft sleeve composed of rotor components. Axial force balanced by the balance drum, remaining axial force suffered by the upper end radial-thrust ball bearing. Suction segment, middle segment, discharge segment separately installed with seal ring, to reduce high-pressure water leakage back room.
Shaft upper end fitted with radial-thrust ball bearings, the bottom installed with sliding bearings. Rolling bearing lubricate by grease. Hot water circulating pump using normal temperature water to cool. Shaft seal is soft packing seal, can also be interchanged with mechanical seal, lubricate and cool by pressure water of balance chamber.
Pump driven by a vertical motor, from the motor side, the pump is rotated counterclockwise.
3.QDL Vertical Multistage Water pump Application
QDL Vertical Multistage centrifugal pump application scope is widespread, such as medicine, food, chemical industry, irrigation, pressurization, distillation, brewing, fire control, water supply, sewage treatment, electrical and mechanical, printing and dyeing industry, seawater desalination, ship equipment and supporting pressure tank and all walks of life, wide range of uses.
Like:
Cooling water, hot water
Water supply/distribution
Boiler water feed
Fire protection
Metal manufacturing
Irrigation
General industrial services
Sea water
Reverse osmosis (RO) system

4.QDL Vertical Multistage Water pump Materials
The QDL Vertical Multistage Water pump is widely used for clean water, hot water and 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.



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