Flange plates for level sensors are not a specific brand but a component category used in various industrial applications. These flange plates are typically manufactured by companies specializing in industrial automation and sensor technology, such as Siemens (Germany), Emerson (USA), or Endress+Hauser (Switzerland). They serve industries like oil & gas, chemical processing, water treatment, and food & beverage. The primary function of these flange plates is to provide a secure mounting interface for level sensors, ensuring accurate and reliable measurements in tanks or vessels. Major products include threaded, welded, or sanitary flange plates compatible with different sensor types like ultrasonic, radar, or capacitive level sensors.