Method of replacing valve packing

Details Method of replacing valve packing Method of replacing valve packing

1995-12-06

1997-08-19

Michalsky, Gerald A.

Fluid handling

Processes

Cleaning, repairing, or assembling

251214, 277 59, 277106, 277124, F16K 4104

Patent

active

056577850

ABSTRACT:
A turbine fuel valve packing assembly including two sets of packing rings in which at least one packing ring is a V-shaped packing ring, a compression member, lantern ring, and packing gland with a sealing ring is disclosed which effectively seals turbine fuel valves against leaking. Further disclosed is a valve packing replacement method utilizing a bifurcated valve shaft allowing part of the shaft to be removed, thereby providing enough space for the valve packing assembly to be removed from the fuel valve and replaced without disassembling the entire fuel valve.

REFERENCES:
patent: 4886241 (1989-12-01), Davis et al.
patent: 5056757 (1991-10-01), Wood
patent: 5129625 (1992-07-01), Wood et al.

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