A PTFE / PFA lined Plug valve is a specialized flow control device designed to regulate the movement of fluids through pipelines, particularly in industries handling corrosive or high-purity substances. Typically constructed from materials like stainless steel or cast iron (BS 5158:1989) internally lined with Low Porosity PTFE / PFA to meet design Standards. This lining provides excep... https://www.freture.com/plug-valve-manufacturers/lined-plug-valve/