Plug Valves are used to shut off the flow of fluids and gases in nearly every industry. GVC Direct's Instrument Plug Valves are an excellent choice for all high purity, corrosive, and critical fluids and gasses since the valve body is machined from billet avoiding any imperfections or casting contamination. Plug Valves are made from 316L Stainless Steel, and brass is available upon request. Be sure to contact us for any custom valve requirements or accessories.