AWWA flanges come in a huge amount of variety. In this article, we look at some of this variety which is on offer, delving into the unique attributes of each.
AWWA flanges refer to pipe flanges based on standard specifications from the American Water Works Association (AWWA).
These tolerances are a part of ANSI B16.5 and AWWA C207-01 Sec. 4.2 except where noted otherwise.
Both the AWWA and ANSI have thorough standards for flanges, and the two standards are different in several ways.