Understanding AWWA Flanges: A Staple in Industrial Pipe Connections Having spent most of my career knee-deep in pipeline installations and water infrastructure projects, I’ve become somewhat of a fan — or let’s say an appreciator — of AWWA flanges. They’re not flashy, but these workhorse components keep water flowing reliably, day in and day out. Even when thousands of pounds of pressure press against them, these flanges don’t just hold; they endure. The American Water Works Association (AWWA) standards have long been the benchmark for those of us working on municipal water mains, wastewater s…