One of its functions is to block the end of the pipeline, and the other is to facilitate the removal of debris in the pipeline during maintenance.As far as plugging is concerned, it has the same function as head and pipe cap.But there is no way to disassemble the head, and the flange blind plate is fixed with bolts, it is very convenient to disassemble.The material of blind flange is carbon steel, alloy steel, stainless steel and so on.