Abstract: A check vacuum breaking device for a tap includes a locking member screwed into a chamber of a tap. The chamber includes an inlet and an outlet. The locking member includes a cover member secured on a top end thereof and having plural air bores disposed around a rim of the cover member, and a shaft extends downward from a center of a bottom surface of the cover member. A fitting member is assembled to the chamber of the tap and includes a hollow peg extending upward from a central portion thereof and having a closed bottom to be fitted to the shaft of the locking member. The hollow peg includes a stepped recess formed on an upper end thereof, and a stopping pad is fitted to the stepped recess. The fitting member includes an annular loading member fitted to a lower end thereof and an anti-leak loop to cover the loading member.

Abstract: A check vacuum breaking device for a tap comprises a locking member screwed into a chamber of a tap, the chamber including an inlet and an outlet, the locking member including a cover member secured on a top end thereof and having plural air bores disposed around a rim of the cover member and a shaft extending downward from a center of a bottom surface of the cover member; a fitting member assembled to the chamber of the tap and including a hollow peg extending upward from a central portion thereof and having a closed bottom to be fitted to the shaft of the locking member, and including a stepped recess formed on an upper end thereof, a stopping pad fitted to the stepped recess, wherein the fitting member includes an annular loading member fitted to a lower end thereof and an anti-leak loop to cover the loading member.