The FNW 500B manual stainless flanged ball valve is a 4-inch, stainless steel ball valve with flanged ends built for on/off control in industrial piping. It is rated ANSI Class 150 and designed for systems that demand durable corrosion resistance and reliable, leak-tight shutoff. As the FNW 500B model, it provides a straightforward, manually operated valve solution for flanged connections in standard process lines where robust performance is essential.
