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Boiler Feed Pumps

Why are the stages being provided in Boiler Feed Pump?
Asked by: shukla_vivek1011 | Member Since Sep-2009 | Asked on: Sep 6th, 2009

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Showing Answers 1 - 3 of 3 Answers
S.KALAIYARASAN

Answered On : Sep 19th, 2009

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To be maintain the positive suction head.

  
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sudeeb

Answered On : Dec 19th, 2010

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Boiler feed pump is a multi-stage centrifugal pump where no of impellers more than one usually >3 . Depending upon the boiler working pressure pump will select. The pump should have high positive suction to avoid cavitation, usually take more than 10m. feed water temperature will be more than>65'C.

  
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kit_inton

Answered On : Jun 19th, 2011

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Boiler feed pump stages deliver high discharge pressure from pump to overcome the pressure inside the boiler drum and pressure losses from pipe connections, and also friction loss.

  
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