Flanges are vital parts of the pipe and plumbing world. They are used to affix the pipes, valves, pumps, and other equipment to allow a solid piping system to be established. The very commonly used are Slip-On and Blind Flanges. Much more important is the correct choice of means to find the right component for the right application. Ganpat Metal Industries manufactures and supplies... https://www.ganpatmetal.com/the-complete-flange-guide-differences-between-slip-on-and-blind-flanges.html