This is one of those parts that makes installs and future maintenance a lot easier. This 1 1/4 threaded flange is 304 Stainless Steel with a raised face face in 150#. The raised-face sealing surface is designed to mate well with common gasket styles used on stainless systems. Threaded flanges are a go-to when you want to avoid welding and still get a secure, removable connection. ItÕs commonly selected for general service applications and everyday plant use. If youÕre unsure which style is right for your setup, contact usÑweÕll help you narrow it down fast.