When you want a clean, service-friendly way to join pipe to equipment, this flange is a solid choice. This 1/2 blind flange is 316 Stainless Steel with a raised face face in 150#. If youÕve ever needed to bolt pipe to a valve or piece of machinery, this blind flange is the part that makes that connection possible. Blind flanges are used to close off the end of a line, valve, or vessel nozzleÑgreat for isolating sections for service. ItÕs a favorite in more demanding environments where long-term resistance is the priority. ItÕs built with a raised-face surface to help create a confident seal when paired with the right gasket. Have a question before you buy? Send us the basics of your application and weÕll point you in the right direction.