Y Pattern valve

Details Y Pattern valve Y Pattern valve

1981-03-04

1983-12-20

Chambers, A. Michael

Valves and valve actuation

Valve

Materials

251186, 251333, 251335B, F16K 3144

Patent

active

044212984

ABSTRACT:
A valve of the Y pattern is disclosed which is useful for stopping gas flow in a vacuum system. The valve has particularly good sealing characteristics needing moderate pressures to seal in a uranium hexafluoride environment. Heretofore an environment of uranium hexafluoride required high sealing pressures to be developed at the valve seat.

REFERENCES:
patent: 2973008 (1961-02-01), Klose
patent: 3211419 (1965-10-01), Klinger-Lohr
patent: 3489171 (1970-01-01), Michael, Jr. et al.
patent: 3913887 (1975-10-01), Siepmonn
patent: 4009865 (1977-03-01), Davlin
patent: 4073314 (1978-02-01), Speelman et al.
patent: 4091837 (1978-05-01), Edmunds et al.
patent: 4166607 (1979-09-01), Webb
patent: 4188013 (1980-02-01), Battersby et al.
patent: 4212317 (1980-07-01), Patrick et al.
patent: 4237920 (1980-12-01), Norman
patent: 4270727 (1981-06-01), Norman

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