Dialing in a stainless line and want hardware you can trust from day one? This 1/2 blind flange is 304 Stainless Steel with a raised face face in 150#. The job of this blind flange is straightforward: it gives you a standard bolt-up point so your line can connect to other flanged components. 304 stainless is a reliable all-around choice for many industrial environments where corrosion resistance matters. The raised-face sealing surface is designed to mate well with common gasket styles used on stainless systems. Blind flanges are used to close off the end of a line, valve, or vessel nozzleÑgreat for isolating sections for service. TheyÕre handy when you need a solid, leak-resistant shutdown point for testing, maintenance, or future expansion.