Flow Control Valves in the Plumbing category from GoVets are the perfect solution for completing or working on your project. Sanitary Butterfly Valves are a type of flow control valve used to regulate the flow of liquids and gases. They are designed to be used in applications where hygiene is a priority, such as food and beverage processing, pharmaceuticals, and medical equipment. Shop today to find the perfect Sanitary Butterfly Valve for your project.