High temperature gate valve with fused silica blade

Details High temperature gate valve with fused silica blade High temperature gate valve with fused silica blade

1980-01-28

1982-07-13

Rosenthal, Arnold

Fluid handling

With casing, support, protector or static constructional...

Jacketed

251368, 251326, F16K 3314

Patent

active

043389635

ABSTRACT:
A gate valve for controlling the flow of high temperature fluids includes a housing having an opening defining an inlet and an outlet for the fluid. An annular collar surrounding the opening includes a transverse passageway therein. The blade for controlling the fluid flow through the opening is made of fused silica. An actuator mechanism coupled to the blade moves the blade in the collar passageway to control the fluid flow through the opening. The fused silica blade exhibits superior mechanical characteristics, can be readily made in large sizes, and minimizes valve leakage.

REFERENCES:
patent: 722390 (1903-03-01), Spragee
patent: 828280 (1906-08-01), Firey
patent: 1057717 (1913-04-01), Evans et al.
patent: 1920698 (1933-08-01), Huguenin
patent: 2575464 (1951-11-01), Olsen
patent: 3159377 (1964-12-01), Samour
patent: 3578283 (1971-05-01), Jones
patent: 3701359 (1972-10-01), Worley et al.
patent: 3720229 (1973-03-01), Masson et al.
patent: 3837356 (1974-09-01), Selep et al.
patent: 3916949 (1975-11-01), Armstrong
patent: 3976094 (1976-08-01), Jandrasi et al.

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