Safety shut-off valve for high pressure bottles

Details Safety shut-off valve for high pressure bottles Safety shut-off valve for high pressure bottles

1997-04-28

1999-07-13

Rivell, John

Fluid handling

Convertible

Reversible check

137517, 137537, F16K 1504

Patent

active

059212713

ABSTRACT:
A safety shut-off having a spring loaded ball which moves into engagement with a valve seat in response to excess gas flow. Engagement of the ball with the valve seat shuts off gas flow. Excessive gas flow is generally encountered when a catastrophic breakage downstream of the valve causes the downstream pressure to drop precipitously.

REFERENCES:
patent: 3326233 (1967-06-01), Perruzzi
patent: 3331389 (1967-07-01), Kirk
patent: 3441052 (1969-04-01), Schilling
patent: 3661167 (1972-05-01), Hussey
patent: 3661175 (1972-05-01), Tillman
patent: 4004533 (1977-01-01), Woolston
patent: 4089343 (1978-05-01), Ishida
patent: 4349043 (1982-09-01), Christensen
patent: 4611628 (1986-09-01), Pasternack
patent: 4744387 (1988-05-01), Otteman
patent: 4846218 (1989-07-01), Upchurch
patent: 5022435 (1991-06-01), Jaw-Shiunn
patent: 5123442 (1992-06-01), Geuy et al.

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