Preliminary Design Report for the NMSR Pressurized Water Loop at ORR Page: 20 of 44
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- 18 -
The pump shall be capable of operating under all
conditions set forth herein:.1. Operating Temp Range at Pump Inlet
2. System Pressure
3. Pumped Fluid
4. Pump Cooling Water Temp5. Pump Cooling Water Flow
6. Pump Characteristics6o0F - 650
2500 psig- (max)
Demineralized
water
100*10 gpm (max)
Stable operation
from 0 to 100 gpm
with min total head
of 300 feet4-B Construction
1. The heat exchanger shall be an integral part of
the pump.
2. The pumped fluid shall serve as the bearing lubricant.
3. The rotor windings shall be hermetically sealed
inside of a close fitting stainless steel container.
4. The stator windings shall be isolated from the
pumped fluid by a stainless steel container.
5. A labyrinth seal and thermal barrier between motor
and impeller shall be provided to reduce fluid
flow and heat transfer between pump casing and
motor cavity.
6. The pump is to be totally enclosed and sealed
by renewable weld joints so as to permit no
leakage of the pumped fluid.
7. Pump casing suction discharge nozzles to be de-
signed for butt weld joints to system piping.Suction nozzle pipe size:
Discharge Nozzle pipe size:3" IPS Sch. 160
2-1/2" IPS Sch. 160- C,
C,
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Dudley, I.T.; Trauger, D.B. & Savage, H.W. Preliminary Design Report for the NMSR Pressurized Water Loop at ORR, report, October 23, 1958; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc878967/m1/20/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.