Structure of a ball valve especially used in food processing

Details Structure of a ball valve especially used in food processing Structure of a ball valve especially used in food processing

1997-04-07

1998-12-01

Fox, John

Valves and valve actuation

Rotary valves

Ball valve

137240, F16K 506

Patent

active

058426833

ABSTRACT:
The present invention is related to an improved structure of a ball valve especially used in food, said ball valve is a hollow valve body. A ball shape gate having penetrating channel is installed on the hollow crossing portion of said valve body. A rotary buckle groove is a installed on the upper end of said ball shape gate. A rotary handle has a buckle plate which is projected to the hollow crossing portion of the valve body, they are engaged to combine with said groove so presented as an actuating portion for controlling the rotation of said ball shape gate, as well as the openings on the right and left rim end of said valve body are installed with a drain preventing pad and seal ring, respectively, and then the axle tube is combined on the left and right openings for screwedly combining to form as a integral body, as the ball valve are assembled, the characterized in that:
said valve body has an hollow crossing portion which is designed with a tilting surface with a proper tilting angle, and the interface is adjacent with the center of the valve body so that the center portion of said valve is a concave drain tank, and on the tilted upper side and lower side are installed with a gas (or water) inlet and a gas (water) output, respectively, which are penetrated through said drain tank, thus, the cleaning of said ball valve may be performed by introducing or draining vapor.

REFERENCES:
patent: 2031151 (1936-02-01), Ebberg
patent: 3380707 (1968-04-01), Scaramucci
patent: 4203460 (1980-05-01), Priese
patent: 4552334 (1985-11-01), Tomijarra et al.

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