Typical Flange Sizes
Flange sizes could be measured by the amount of bolts and clamps, bolt size, bolt hole, bolt circle, outer diameter or OD as well as the maximum ID or inside diameter.Say, an NW 16 CF/ mini flange has 6 bolts (no need to have for clamps) along with a has bolt size of 832 by ¾.This flange has an ID of .630, 1.33 of OD, bolt circle is 1.063 and a bolt hole of .169.You will find lots of flange measurements obtainable on the web for references.Flanges can be used for piping and nozzles systems.Flanges are internal or external rim (for strength) and guide (for train wheel).Flanges have a lot of uses and that is the reason why its sizes need to be standardized.