Ball valve

Details Ball valve Ball valve

1984-10-02

1986-08-12

Schwadron, Martin P.

Valves and valve actuation

Rotary valves

Ball valve

2771675, 277207A, 277211, F16K 506

Patent

active

046052020

ABSTRACT:
A ball valve for controlling liquid flow that comprises a tubular valve body, a ball rotatably built-in inside of the valve body, a pair of unions screwed into opposite ends of the valve body so as to be in slidable contact with the ball, and a pair of body caps connected to outer ends of each union through a packing ring for providing a water-tight seal therebetween. This valve have no cavities therein which cavities tend to entrap the liquid during the passage thereof. According to this construction the valve is kept always clean and free from any contamination caused by the putrescence of the entrapped liquid, even when used in the food industry.

REFERENCES:
patent: 3007669 (1961-11-01), Fredd
patent: 3095177 (1963-06-01), Muller
patent: 3099110 (1963-07-01), Spaight
patent: 3334650 (1967-08-01), Lowrey et al.
patent: 3428292 (1969-02-01), Scaramucci
patent: 3717323 (1973-02-01), Geipel
patent: 4418918 (1983-12-01), Nicoll
patent: 4449694 (1984-05-01), Hobart et al.
patent: 4477092 (1984-10-01), Bush
patent: 4523608 (1985-06-01), Miller

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