AWWA C228:2019 pdf download AWWA C228:2019 pdf download.Stainless-Steel Pipe Flange Joints for Water Service—Sizes 2 In. Through... 12/30/2021AWWA Standards115800 mm) Stainless-Steel Pipe Flange Joints for Water Service—Sizes 2 In. Through 72 In. (50 mm Through 1Comments Read more