Ball valve seat for high temperature service

Details Ball valve seat for high temperature service Ball valve seat for high temperature service

1990-09-19

1992-02-18

Fox, John C.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251315, F16K 506

Patent

active

050886878

ABSTRACT:
A ball valve seat for high temperature and/or abrasive fluids includes a disc-like spring portion formed as a part of the seat for maintaining a sealed relationship with the valve body and the ball and thus allowing for expansion and contraction of the valve components.

REFERENCES:
patent: 3488033 (1970-01-01), Priese
patent: 3497176 (1970-02-01), Priese
patent: 3521855 (1970-07-01), Jensen
patent: 3617025 (1971-11-01), Gerbic
patent: 3741523 (1973-06-01), Scaramucci et al.
patent: 3940107 (1976-02-01), Allenbaugh, Jr.
patent: 4004776 (1977-01-01), Stender
patent: 4111393 (1978-09-01), McClurg et al.
patent: 4126295 (1978-11-01), Natalizia
patent: 4258901 (1981-03-01), Zinni et al.
patent: 4290581 (1981-09-01), Moran et al.
patent: 4385747 (1983-05-01), Renaud, Jr. et al.
patent: 4580762 (1986-04-01), Hirtz et al.
patent: 4660591 (1987-04-01), Brown et al.
patent: 4899980 (1990-02-01), Kemp

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