VN6 series V-notch ball control valve, is concentric segmental ball valve for modulating applications. Its V-notch segmented ball permits wide range ability and produces an equal percentage flow characteristic. As the V-notch ball rotates into the seat ring, it creates a wedging and shearing effect to prevent dragging or slurries between the seat and the ball. Therefore, especially suitable for the large flow rate service and control of fluids with fiber and/or slurry.