These valves are primarily used in large-diameter piping and feature a full bore design to allow the passage of tools such as PIGs smoothly. They are designed with a smooth flow path to prevent the entry of solids into the body cavity and to minimize turbulence. Typically, they employ a floating seat structure where the disc is pushed against the seat by fluid pressure. This design ensures that solids are prevented from entering and minimizes turbulence. They are commonly used in petrochemical pipelines for fluid transportation.
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