The figure-eight blind plate is a kind of pipe fittings, and its main function is to facilitate maintenance. Usually used in pipelines with large diameter, one end of the flange is used to keep the pipeline unblocked, and when necessary, a blind plate with the same thickness is used at the other end to cut off the pipeline.
8-shaped blind flanges are often used for pipeline flanges that need to change the process. The main materials are carbon steel, stainless steel and alloy, which can be selected according to the pipeline pressure grade and pipeline medium.