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.
Tag: AWWA C207 CLASS D
AWWA C207 Class D-Rings and Blinds AWWA flanges between 4 and 12 inches are meant for pressure ratings of up to 175 psi while those 14 inches and above are meant for pressure ratings of up to 150 psi. These rings and blinds range from 2 to 144 inches in nominal size with an outside diameter anywhere between 6 and 167.25 inches. The number of bolt holes on them can range from 4 to 84.
AWWA C207 CLASS D SLIP ON HUB FLANGE
ANSI/AWWA C207-94: “AWWA Standard for Steel Pipe Flanges for Waterworks Service-Sizes 4 In. Through 144 In.”, and ANSI B16.5-1981: “Pipe Flanges and Flanged Fittings”.