Automation sets for valve actuators are not a specific brand but a product category used in industrial automation. These sets typically include components like actuators, controllers, and accessories designed to automate valve operations. Major brands in this category include Emerson (USA), Siemens (Germany), and Rotork (UK), which provide solutions for industries such as oil & gas, water treatment, and manufacturing. Products range from electric, pneumatic, to hydraulic actuators, ensuring precise control and efficiency in fluid handling systems.