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QLX high performance vertical self-priming pump

产品型号:

Keywords:

Blow down pump


An overview of the

The QLX pump is a high-performance vertical self-priming pump. Compared with the traditional WFB unsealed self-priming pump, the pump has a high efficiency of 20-25 %. The pump can transport water and sewage containing a small amount of solid particles or corrosive liquids at a temperature not exceeding 80 °C. When conveying special liquid, can contact the company, using special, wear-resistant materials to solve. The pump is widely used in chemical, steel, power plant, environmental protection, metallurgy, papermaking, sewage and other industries.
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Product Details


Performance range : 
 
Pump outlet diameter : 100 ~ 500mm 
 
Flow : 80 ~ 2020m3 / h 
 
Head : ~ 70m 
 
Working temperature : -20 °C ~ 200 °C 
 
Solid particles : < 80mg / L 
 
 
 
Model significance : 

 
200QLX-400 / 49 
 
200 : Pump outlet diameter ( mm ) 
 
QLX : Self-priming pump model 
 
400 : Design work flow ( m3 / h ) 
 
49 : Design work lift ( m ) 
 
 
 
The working principle of self-priming pump : 
 
When the pump is started, the water in the pump needs to be filled with water. When the pump is started, because the water in the inlet pipeline is discontinuous, the water in the cylinder returns to the impeller through the flow channel, and the air in the inlet pipeline is mixed with the air in the impeller. Under the action of the impeller, it is discharged into the cylinder. Because the flow area is suddenly increased, the flow rate of the gas-liquid mixture is reduced, and the lighter gas is separated from the water. The gas in the upper part of the cylinder escapes, and the water in the lower part returns to the impeller, and re-mixed with the gas in the inlet pipeline. In this cycle, until the air in the pump inlet pipeline is completely discharged, self-priming is completed, and normal pumping is completed.

 

Structural characteristics : 
 

1.The efficiency is 20-25 % higher than the traditional self-priming pump, the suction range is 1-2 meters higher than the traditional self-priming pump, and the self-priming time is 20-50 % shorter than the traditional self-priming pump, which is better than the domestic similar products ; 
 
2.Vertical installation, small radial size, small footprint, reduce plant and civil construction investment, save investment costs ; 
 
3.Compared with the long axis submerged pump, the operation of the pump is more stable, no vibration, no noise ; 
 
4, the pump machine above the pool, installation, disassembly and maintenance more convenient ; 
 
5.Using structural optimization design, there is no need to disassemble the inlet and outlet pipelines during maintenance ; 
 
6.Using SKF bearings to ensure the service life of the pump ; 
 
7.The double mechanical seal structure is adopted to ensure that the pump is safe and no leakage during operation or at the moment of shutdown ; 
 
8.The series of pumps have been optimized, the structure is reasonable, and the parts are universal and interchangeable.

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