For stainless piping work, this 3 316 Stainless Steel blind flange (150#, Raised Face) keeps your connection consistent. Blind flanges are used to close off the end of a line, valve, or vessel nozzleÑgreat for isolating sections for service. 316 provides extra protection compared to 304 in many real-world conditions. ItÕs built with a raised-face surface to help create a confident seal when paired with the right gasket. PLYET Industrial Supply focuses on practical, jobsite-ready components that help you keep systems moving.