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Question 
For a centrifugal pump if the pump is running and we close 
the discharge valve what is the effect
 Question Submitted By :: Bharadsarma@gmail.com
I also faced this Question!!     Rank Answer Posted By  
 
  Re: For a centrifugal pump if the pump is running and we close the discharge valve what is the effect
Answer
# 1		 
The pump start churning and this will increase the temp of 
fluid and because of this impeller of pump damage due to 
erosion.
 
Is This Answer Correct ?    14 Yes 4 No
Tahir
[Chashma Nuclear Power Plant]
 
  Re: For a centrifugal pump if the pump is running and we close the discharge valve what is the effect
Answer
# 2		 
By closing the valve there will not be that much effect on 
the centrifugal pump .it keeps running
 
Is This Answer Correct ?    3 Yes 6 No
Bharadwaj
 
 
 
  Re: For a centrifugal pump if the pump is running and we close the discharge valve what is the effect
Answer
# 3		 
if v close the valve of the centrifugal pump then there will
be no effect on the motor .only pressure builds on the
discharge valve in case if it gets more pressurised then the
valve busts out.
 
Is This Answer Correct ?    4 Yes 6 No
Anuraag
 
  Re: For a centrifugal pump if the pump is running and we close the discharge valve what is the effect
Answer
# 4		 
You can run a centrifugal pump at shut-off head for sometime
say 5-10 minutes but further running may increase the
temperature of the fluid due to churning and can cause
failure of gaskets and lube oil faiukre
 
Is This Answer Correct ?    7 Yes 0 No
Magx
 

 
 
 
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