High-quality 13 inch Black Carbon Steel Blind Flanges are what we offer. They are intended to interrupt or block a pipeline. Moreover, supplied flanges are essentially a flange without a hub or a drilled centre. Bolting or threading are used to attach 13 inch Black Carbon Steel Blind Flanges to a fitting. It serves as the pipe's termination. These flanges are constructed of carbon steel using cutting-edge processes for the highest performance. They are use to close off a pressure vessel's nozzle opening.