Resistance temperature detector nozzle mechanical clamp

Details Resistance temperature detector nozzle mechanical clamp Resistance temperature detector nozzle mechanical clamp

1995-04-20

1997-04-08

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

For nozzle

376203, 376205, 376211, 376247, 376451, G21C 1300

Patent

active

056195460

ABSTRACT:
A fluid tight mechanical clamp for creating a compressed graphite seal between a resistance temperature detector nozzle and a NSSS piping hot or cold leg pipe is provided which includes a split graphite seal ring, a peripheral seal back-up ring, a split load sleeve to axially compress and radially expand the split seal ring, a reactor plate and load ring with bolts to drive the load sleeve and compress the seal, and a blowout retainer to prevent the nozzle from blowing out of its seat in the pipe wall in the event of a weld failure. Extensive welding procedures to repair nozzle leaks are thus eliminated.

REFERENCES:
patent: 3850796 (1974-11-01), Thome
patent: 4049186 (1977-09-01), Hanneman et al.
patent: 4259156 (1981-03-01), Neuenfeldt et al.
patent: 4480841 (1984-11-01), Schukei et al.
patent: 4655483 (1987-04-01), Margotta
patent: 4670212 (1987-06-01), Geoffray et al.
patent: 4723795 (1988-02-01), Shenoy
patent: 4826217 (1989-05-01), Guerrero
patent: 5157619 (1992-10-01), Palusamy et al.

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