Butterfly valve

Details Butterfly valve Butterfly valve

1988-10-31

1989-07-04

Walton, George L.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137315, 134166C, 251 93, 251288, 251297, 251306, B08B 302, B08B 906, F16K 132, F16K 3504

Patent

active

048441155

ABSTRACT:
A butterfly valve having a two piece body, an annular seat carried in the body and a disk mounted in the body for rotation within the seat. An indicator plate mounted at one end of the body and a valve actuator attached to the disk shaft and overlying the plate with a detent arrangement for indicating valve position. Outlet nozzles carried on the disk with a flow path from the exterior of the valve to the nozzles for introducing fluid flow into the pipeline, with check valves in the valve body and in the nozzles. A special disk configuration for reducing damage to the disk edge.

REFERENCES:
patent: 2274318 (1942-02-01), Campbell
patent: 2965354 (1960-12-01), Grove et al.
patent: 3215400 (1965-11-01), Muller
patent: 3228415 (1966-01-01), Geiss
patent: 3329394 (1967-07-01), Overbaugh
patent: 3355141 (1967-11-01), Cooper
patent: 3357680 (1967-12-01), Williams
patent: 3498584 (1970-03-01), Bowers
patent: 3537473 (1970-11-01), DeZurik, Jr.
patent: 3647180 (1972-03-01), Church
patent: 3837620 (1974-09-01), Malloy et al.

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