Flowlink Valves and Controls Rotary Control Valves, such as the Series V100, provide excellent throttling control and on-off service. They offer larger Cv capacities in a compact design, making them ideal for applications requiring precise control with high rangeability. These valves are built to handle extreme conditions with superior durability and reliability, commonly used in industries like petrochemical, refining, and water treatment, where accurate flow control is critical.