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centrifugal charging pumps

Started by wlrun3@aol.com, Apr 05, 2007, 11:21

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wlrun3@aol.com

Apr 05, 2007, 11:21

   ...millstone 3 (four loop westinghouse 84) has centrifugal charging pumps as opposed to positive displacement...are there others...

Nuclear NASCAR

#1
Apr 05, 2007, 11:25
Callaway also has centrifigul charging pumps.  Of course, we're also a Westinghouse 4 loop.
"There is much pleasure to be gained from useless knowledge."

  -Bertrand Russell

Roll Tide

#2
Apr 05, 2007, 12:06
Sequoyah (4-loop W) also has CCP (PD abandoned years ago).

Turkey Point (3-loop W) still has PD pumps. Maintenance headache.
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alphadude

#3
Apr 05, 2007, 05:40
Positive displacment pumps can present a real danger more so than cent. pump. they will pump no matter what even with the down stream valve closed and then KFB.

TENN-1

#4
Apr 07, 2007, 11:55
D.C. Cook (four loop Westinghouse) has two centrifugal and one positive displacement per unit. We only run the centrifugal pump but we maintain both CCPs and the PDP. I've been here a decade and a half and have never seen the PDP run.
Things come to those who wait, but usually it's stuff left over from those who hustle!

alphadude

#5
Apr 08, 2007, 04:55
true dat on those make up pumps, those beasts never tire and only probs i seen was where somebody isolated the seal water while running. they are solid technology from the past
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