Butterfly valves are divided into two main categories, Wafer si Lug, but they may also be equipped with flanges.
Unlike ball valves, they have the advantage of a small gauge, thus offering the possibility of an easier attaching to the installation.
According to the configuration, they can be used with installations for air, drinking water, hot water, steam or any other industrial fluid, including fuel and solvents.
Just like ball valves, they can be manually or pneumatic actuated, or have a limit switch box.