Tank discharge valve with pressure assisted seat

Details Tank discharge valve with pressure assisted seat Tank discharge valve with pressure assisted seat

1981-11-23

1984-07-17

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Tank

251175, 251188, 251312, F16K 5100

Patent

active

044601557

ABSTRACT:
A plug valve for controlling discharge of a fluid tank has an upper surface continuously subjected to the weight and pressure of the tank's contents. Pressure applied to this upper surface is transmitted through the valve to assist sealing with a member subjacent to the valve's plug.

REFERENCES:
patent: 1526890 (1925-02-01), Wilson
patent: 1570637 (1926-01-01), Nordstrom
patent: 2191815 (1940-02-01), Clade
patent: 2987295 (1961-06-01), Schenk et al.
patent: 3662986 (1972-05-01), Domulewicz, Sr.
patent: 3703910 (1972-11-01), Smith
patent: 3882884 (1975-05-01), Leopold, Jr. et al.
patent: 4187881 (1980-02-01), Kull

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