VN6 series V-type ball control valves' V-shape notch segmented ball permits wide rangeability and produces an equal perentage 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 to large rangeability service and/or control of fluids with fiber and/or slurry. VN series are characterized by compact structure, effective handle and long lifetime. They areespecially suitable for the fluid entrained with fibre or particle.