LOT 201.05 RCPs Flashcards

1
Q
  • LOT 201.05 RCPs*
    • *

What is the pressure, flowrate, and flowpath of the #2 Seal?

A
  • Pressure:*
  • *30 psig → 10 psig**
  • Flowrate:*
  • *3 gpm → 3 gph**
  • Suction:*
  • *Seal #1**
  • Discharge:*
  • *RCDT**
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2
Q
  • LOT 201.05 RCPs*
    • *

What is the pressure, flowrate, and flowpath of the #1 Seal?

A
  • Pressure:*
  • *2250 psig → 30 psig**
  • Min D/P: 220 psid*
  • Flowrate:*
  • *8 gpm → 3 gpm**
  • Suction:*
  • *CVCS**
  • Discharge:*
  • *VCT ****
  • CCP Suction*
  • *Seal #2**

Inlet temperature ≈ 110 ˚F (Do not exceed 230 ˚F)

≈ 5 gpm goes to pump radial bearing and thermal barrier HX

Note:
On ΦA CI, Seal return to VCT isolates and relief will lift (150 psig) to send water to PRT.

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3
Q
  • LOT 201.05 RCPs*
    • *

What provides cooling the RCP thermal barrier?

A

Seal water

CCW

CCW will isolate on a ΦB CI signal.

Thermal barrier consists of 21 concentric cans

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4
Q
  • LOT 201.05 RCPs*
    • *

What is the flowrate and flowpath of the #3 Seal?

A
  • Flowrate:*
  • *800 cc/hr → 400 cc/hr (x2)**
  • Suction:*
  • *Seal Standpipe (RMW)**
  • Discharge:*
  • *CTMT Normal Sump (400 cc/hr)**
  • *RCDT (400 cc/hr)**
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5
Q
  • LOT 201.05 RCPs*
    • *

What must pressure in the bearing oil lift system be in order to start a RCP?

A

600 psig

  • Blue permissive light on CP005
  • Bearing Oil pump must be running to start pump. (Not required for light however)
  • Must be operated for ≥ 2 mins by procedure prior to starting RCP.
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