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Control rod drive mechanism nozzles

The closure head of the reactor pressure vessel accomodates the control rod drive mechanism nozzles, the in-core instrumentation nozzles, the RPV water level control nozzles and the venting nozzle. The RPV body and closure head are joined together by means of studs and nuts. During refuelling, the RPV closure head is removed, together with the platform, closure head insulation, control drive mechanisms and the seal rings. [Pg.8]

USNRC GL 97-01, Degradation of control rod drive mechanism nozzle and other vessel closure head penetrations, 04/03/97. [Pg.63]

See other pages where Control rod drive mechanism nozzles is mentioned: [Pg.494]    [Pg.62]    [Pg.183]   
See also in sourсe #XX -- [ Pg.785 ]



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