Reinforced industrial butterfly valve

Details Reinforced industrial butterfly valve Reinforced industrial butterfly valve

1986-07-14

1987-10-13

Chambers, A. Michael

Valves and valve actuation

Rotary valves

Butterfly

137315, F16K 122

Patent

active

046993576

ABSTRACT:
A reinforced industrial butterfly valve incorporating a tubular housing, having a disc valve stem mounted for pivotal movement within the flow passage provided through the housing, a resilient seal provided around the interior periphery of the flow passage, to provide a positive seal during pressure or vacuum service of this valve, during its application, the valve housing having apertures provided diametrically aligned therein, one of the apertures being counterbored for accommodating a bushing for mounting of the extending proximate end of the valve stem, while the opposite aligned aperture extending entirely through the tubular housing, having a counterbore arranged partially therethrough, and into which another bushing and a packing mount for accommodating the securement of the opposite extending disc valve stem so as to furnish a positive disc control during continuous industrial applications of the valve of this invention.

REFERENCES:
patent: 2740423 (1956-04-01), Stillwagon
patent: 2994342 (1961-08-01), Stillwagon
patent: 3100500 (1963-08-01), Stillwagon
patent: 3143132 (1964-08-01), Pangburn
patent: 3241806 (1966-03-01), Snell, Jr.
patent: 3595523 (1971-07-01), Felton
patent: 3781043 (1973-12-01), Hagmann
patent: 3910552 (1975-10-01), Hills et al.
patent: 4291863 (1981-09-01), Gachot
patent: 4398696 (1983-08-01), Szilagyi et al.

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