Ball valve.
The shaft-mounted ball valve with a wave-shaped metal seal and external reinforcements addresses the challenge of maintaining a reliable seal under high pressures and temperatures, enhancing service life and reducing maintenance by evenly distributing mechanical forces.
FR3170560A1Pending Publication Date: 2026-06-26SUD ROBINETTERIE IND
Patent Information
- Application Number
- FR2024014598
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-06-26
Smart Images
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Abstract
The invention relates to a ball valve comprising: - a body with an inlet and an outlet defining an axial fluid flow path, - a ball (2) rotatably mounted in the body, - a valve seat associated with a sealing device between said seat and the body, the sealing device comprising: - a single-wave-shaped metal seal (30), - an external reinforcement (4) consisting of two parts: a first part (40) movable in translation, integral with the seat and sealed to one end of the wave; and a second fixed part (41), integral with the body and sealed to the other end of the wave, - the two parts defining a housing (430) receiving the wave and having a shape corresponding to that of said wave. Figure 2
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Citation Information
Patent Citations
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