Ball valve

The utility model relates to a ball valve. Including valve body body, valve gap, valve rod and spheroid, the spheroid is arranged in in the valve pocket of valve body body, the valve gap limits the spheroid in the valve pocket with this body coupling of valve body, and the upper portion of valve pocket is the halfway of looks UNICOM, and the halfway is big -end -up's ladder shaft hole, the less part and valve rod clearance fit of diameter, the lower extreme of valve rod is connected with the spheroid in passing halfway to valve pocket, and diameter great part in halfway constitutes to pack holds the chamber, packs with holding the intracavity and be provided with sealing filler, pack with holding chamber upper portion and still be equipped with gland, be equipped with round or above sealed recess on the less partial shaft hole wall of halfway diameter, be equipped with the sealing washer in the sealed recess. Owing to be equipped with round or above sealed recess on the less partial shaft hole wall of halfway