Valve having a metal seal, in particular a butterfly valve

Details Valve having a metal seal, in particular a butterfly valve Valve having a metal seal, in particular a butterfly valve

1993-01-13

1993-10-05

Fox, John C.

Valves and valve actuation

Rotary valves

Butterfly

251174, F16K 122

Patent

active

052497747

ABSTRACT:
The valve includes a support piece 18 that bends elastically and that bears via its two edges 19 and 20 against a support ring 6 for elastically supporting a dynamic sealing ring 16 that is made of metal. The invention is applicable to butterfly valves.

REFERENCES:
patent: 4194749 (1980-03-01), Banofous
patent: 4477057 (1984-10-01), Friers
patent: 4502663 (1985-03-01), Huber
patent: 4901979 (1990-02-01), Earriques et al.
Patent Abstracts of Japan, vol. 10, No. 193 (M-496) (2249) Jul. 8, 1986 & JP-A-61 038 268 (Tomoe Gijutsu Kenkyusho) Feb. 23, 1986.

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