Steam jacketed ball valves are specifically designed to handle fluids that require consistent temperature control, particularly in applications where the media tends to solidify or become highly viscous at lower temperatures. The primary function of these valves is to maintain the temperature of the fluid passing through by surrounding the valve body with a steam jacket. This jacket allows steam or another heating medium to circulate around the valve, ensuring that the fluid remains in a liquid state and flows smoothly. This is particularly important in industries like petrochemicals, food processing, and pharmaceuticals, where maintaining the integrity of the media is crucial to the process.