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Pump Displacement
Explain What is positive and non-positive displacement?


  
Total Answers and Comments: 2 Last Update: July 09, 2009     Asked by: sajid12281 
  
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 Best Rated Answer
Submitted by: sachinlshinde123
 
Positive displacement pump are those which discharge specific amount & quantity is constant non positive pumps are those which discharge random amount & quantity varies.

Above answer was rated as good by the following members:
Manpreet sodhi
July 03, 2009 12:49:33   #1  
sachinlshinde123 Member Since: July 2009   Contribution: 1    

RE: Pump Displacement
Positive displacement pump are those which discharge specific amount & quantity is constant non positive pumps are those which discharge random amount & quantity varies.
 
Is this answer useful? Yes | NoAnswer is useful 1   Answer is not useful 0Overall Rating: +1    
July 09, 2009 09:08:45   #2  
vrsaikumar Member Since: November 2008   Contribution: 29    

RE: Pump Displacement
Positive displacement pumps are those which prevents undesirable flow and pumps the fluid within the closed space.

Ex: Reciprocating pumps Rotary pumps. Its efficiency is more when compared to non-positive displacement pumps.

Non-positive displacement pumps have no provisional to prevent the reversal of flow. We can say that there may be some loses in this kind of pumps but the main advantage is it can be used when high pressure and large quantity of fluid is to be pumped.

 
Is this answer useful? Yes | NoAnswer is useful 0   Answer is not useful 1Overall Rating: -1    

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