BRACKET USED FOR BALL VALVE AND TRUNNION BALL VALVE
First Claim
1. A bracket used for a ball valve, comprising:
- a supporting body piece and a stopper plate located above said supporting body piece, wherein a lower surface of said supporting body piece contacts an upper surface of a valve body of the ball valve, and accommodating space is formed between the supporting body piece and the stopper plate.
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Accused Products
Abstract
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.
5 Citations
10 Claims
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1. A bracket used for a ball valve, comprising:
- a supporting body piece and a stopper plate located above said supporting body piece, wherein a lower surface of said supporting body piece contacts an upper surface of a valve body of the ball valve, and accommodating space is formed between the supporting body piece and the stopper plate.
- View Dependent Claims (2)
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3. A trunnion ball valve, comprising:
- a valve body, a valve ball, two valve seats, and a valve stem, wherein the valve body comprises a valve body cavity and a packing cavity;
the valve ball and the valve seats are located within the valve body cavity;
the valve stem connecting with the valve ball is located within the packing cavity; and
, graphite packings are filled between the packing cavity and the valve stem, which are pressed by using a packing gland. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10)
- a valve body, a valve ball, two valve seats, and a valve stem, wherein the valve body comprises a valve body cavity and a packing cavity;
Specification