Butterfly valve

Description

FIG. 1 is a top perspective view of a butterfly valve showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged detail view of area 9 circumscribed in FIG. 1;

FIG. 10 is an enlarged detail view of area 10 circumscribed in FIG. 2; and,

FIG. 11 is an enlarged detail view of area 11 circumscribed in FIG. 7.

The broken lines in the drawings are for the purpose of illustrating unclaimed portions of the butterfly valve and form no part of the claimed design.

The dash-dot-dash broken lines denote the boundaries of the areas of detail and form no part of the claimed design.

Claims

The ornamental design for a butterfly valve, as shown and described.