PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I Page: 63 of 161

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h. Core Spray System (Step I)
(42) Boric Acid Crystal Tank
Capacity - Approximately 250 gal
Material - AISI Type 304 stainless steel
Type - Special design drawing furnished by the
Laboratory.
Location - Reactor operating floor upper level
Design Pressure - 50 psig
Inspection - ASME Code Stamp required
Special Valves
DC solenoid valves actuated by simultaneous low
reactor pressure and water level signals (see
Flow Chart, Fig. 12).
Piping, Valves and Fittings
Materials - Storage Tank to Boric Acid Tank -
Carbon Steel, Schedule 40, screwed. Boric
Acid Tank to Reactor -AISI Type 304 stainless
steel, Schedule 40 between tank and first
solenoid valves, schedule 160 between first
valve and reactor.
i. Chemical Shutdown System
(45) Chemical Shutdown Boric Acid Tanks
Capacity - 900 gal each (2)
Contents - 900 gal (total in 2 tanks) concentrated
boric acid solution.
Operating Pressure - 3000 psi
Design Pressure - 3600 psi
Design Temperature - 250F
Material - carbon steel with AISI Type 304 stain-
less steel liner.
Inspection - ASME Code Stamp required
Location - Auxiliary Equipment Area
(46) Compressor
Capacity - 1 cfm at 3000 psi
Material - Standard construction
Control - tank pressure between limits
Location - Auxiliary Equipment Area
(47) Special Valves
DC solenoid-operated valves connected into
scram circuit of control system (see Flow
Chart, Fig. 11).

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Fromm, L.W.; Bernsen, S.A.; Bullinger, C.F. & Matousek, J.F. PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I, report, July 15, 1957; Lemont, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1023272/m1/63/ocr/: accessed April 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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