Valve device

Details Valve device Valve device

1998-10-15

2000-09-19

Walton, George L.

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

277522, 277523, F16K 4104, F16J 1524

Patent

active

061200069

ABSTRACT:
A valve device includes a valve stem 2 vertically movably inserted in a packing box 1a; a gland packing 6 interposed between the packing box 1a and the valve stem 2; a packing follower 15 disposed on the gland packing 6; and one or more arched plate springs 19 for pressing the gland packing 6 via the packing follower 15 or a packing flange 7 disposed on the packing follower 15.

REFERENCES:
patent: 3322149 (1967-05-01), Haenky
patent: 5195756 (1993-03-01), Wachter
patent: 5326074 (1994-07-01), Spock, Jr. et al.
patent: 5456447 (1995-10-01), Reynolds
patent: 5503406 (1996-04-01), Armstrong et al.

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