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Factors of the lack of water discharge in deep well submersible pump

<a href=http://www.dragonpump.com/products/qj-deep-well-submersible-pump/ target=_blank class=infotextkey>deep well submersible pump</a>

 

1.The water burned down:

The approach is based on the request of the deep flow and pump out the water, will be presented for deep well pump with more a series of pumps, and add appropriate pump pipe and drive shaft. 
 
2.The gap is too large in the deep well pump section :
 
The treatment method is to regulate the axial gap of the impeller. 
 
3.Impeller damage :
 
The treatment method is to replace the impeller pump section
 

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