Replacement nozzle and method for replacing a nozzle in a pressu

Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...

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Details

376307, 2940207, 2940208, 29890031, 228119, G21C 1300

Patent

active

052710483

ABSTRACT:
A replacement nozzle and method for replacing a nozzle in a pressure vessel. The original nozzle is removed and a weld preparation is machined into the original weld. The vacated nozzle hole is partially drilled out from the interior of the vessel. A weld land sleeve is received in the drilled out portion of the nozzle hole and a replacement nozzle is received in the weld land sleeve. The sleeve and replacement nozzle are welded in place on the inside of the vessel wall.

REFERENCES:
patent: 4440339 (1984-04-01), Tamai et al.
patent: 4615477 (1986-10-01), Spada et al.
patent: 5091140 (1992-02-01), Dixon et al.
patent: 5094801 (1992-03-01), Dixon et al.
patent: 5149490 (1992-09-01), Brown et al.
patent: 5202082 (1993-04-01), Brown et al.

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