| 摘要 |
The present invention discloses a bracket used for a ball valve, which includes: at least two supporting legs, and a stopper plate located above the supporting legs; a lower surface of each of the supporting legs contacts an upper surface of a valve body of the trunnion ball valve; and the stopper plate includes a through hole therein passing through a valve stem of the trunnion ball valve. Meanwhile, the present invention discloses a trunnion ball valve, which includes: a valve body, a valve ball, two valve seats, and a valve stem. The valve body includes a valve body cavity and a packing cavity therein. The valve ball and the valve seats are all located within the valve body cavity. The valve stem connecting with the valve ball is located within the packing cavity. Graphite packings are filled between the packing cavity and the valve stem, and the graphite packings are pressed tightly by adjusting the height of a packing gland. |
