Plug assembly for movable plug valves

Details Plug assembly for movable plug valves Plug assembly for movable plug valves

1979-01-08

1981-02-03

Schwadron, Martin P.

Valves and valve actuation

Valve head movably connected for accommodation to seat

With yieldable connection

251 86, 251298, F16K 2500

Patent

active

042484030

ABSTRACT:
An improved plug assembly for seating against a valve seat, the plug assembly being usable in a movable plug valve which controls the flow of the fluid through a conduit. The plug assembly includes an arm member, a plug member and biasing means. The arm member is adapted to be mounted for movement in the conduit and has an enlarged head. The plug member has a first face for sealingly engaging the valve seat and a rear face. The plug member further includes a recessed opening in one of the front and rear faces for receiving and retaining the enlarged head of the arm member for relative movement with respect thereto. The biasing means is disposed in the recessed opening and normally urges the enlarged arm head and the plug member into tight engagement with one another.

REFERENCES:
patent: 1165197 (1915-12-01), Marsh
patent: 1487815 (1924-03-01), Simonsen
patent: 1942417 (1934-01-01), Ferlin et al.
patent: 2479688 (1949-08-01), Lindgren
patent: 3558098 (1971-01-01), Puster
patent: 3721424 (1973-03-01), Vanderlinden
patent: 3831622 (1974-08-01), Grewer et al.
patent: 3963211 (1976-06-01), Myers

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