Flange structure diagram

Flanges are commonly used parts in pipelines. Everyone has seen them, but they do not necessarily understand the structure of the flange. Here we look at the structure diagram of the flange to let everyone know about the structure of the flange.

Among them: K refers to the diameter of the center circle of the bolt hole, usually we call the center distance;
L refers to the bolt diameter; D refers to the outer diameter of the flange, and C refers to the thickness of the flange.