Bidirectional axially pliant pressure assisted seat for a valve

Details Bidirectional axially pliant pressure assisted seat for a valve Bidirectional axially pliant pressure assisted seat for a valve

1979-03-23

1981-09-15

Weakley, Harold W.

Valves and valve actuation

Rotary valves

Butterfly

251173, 251174, 251368, F16K 122

Patent

active

042892961

ABSTRACT:
A valve seat especially adapted for a high performance butterfly valve is characterized by flexing axially rather than stretching radially when the seat interfaces with a closure member. In the preferred form, a seat has a support member embedded therein to provide restorative forces which tend to urge the valve seat to a predetermined position in response to axial flexing.

REFERENCES:
patent: 3291444 (1966-12-01), Willis
patent: 3563510 (1971-02-01), Priese
patent: 3805828 (1974-04-01), Panagrossi
patent: 4005848 (1975-02-01), Eggleston
patent: 4083529 (1978-04-01), Santy
patent: 4176820 (1979-12-01), Broadway

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