Adjusting device for the gland packing of a flat slide-valve

Details Adjusting device for the gland packing of a flat slide-valve Adjusting device for the gland packing of a flat slide-valve

1977-04-25

1978-09-05

Weakley, Harold W.

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

251327, F16K 3144

Patent

active

041113942

ABSTRACT:
The pressure exerted by an elongated rectangular gland packing on an associated flat slide valve within a valve housing is adjusted by means of an elongated adjustment member disposed within said housing adjacent the face of the packing remote from the slide valve. The adjustment member includes a plurality of parallel, inclined slots respectively having fixed support rods extending therethrough. When the adjustment member is moved in the direction of its elongation by manipulation of an actuator from the exterior of the housing, the rods and inclined slots also cause the adjustment member to move in a transverse direction toward and away from the packing.

REFERENCES:
patent: 3033517 (1962-05-01), Rovang
patent: 3412972 (1968-11-01), Williams
patent: 3789879 (1974-02-01), Hale
patent: 3917223 (1975-11-01), Sidler
patent: 4026517 (1977-05-01), Still

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