American Ductile Iron Pipe Provides 30,000 Feet of Pipe To Georgia Water Authority

American Ductile Iron Pipe is providing 30,000 feet of 48-inch-diameter V-Bio wrapped ductile iron pipe for a Cobb County-Marietta, GA, Water Authority project to replace a 48-year-old, 36-inch pre-stressed concrete cylinder pipe. In addition, American Flow Control is supplying more than 20 resilient wedge gate valves in sizes from 24 inches to 48 inches in diameter on this West Side Loop Project. The project is expected to be complete in spring 2017.

According to Chris Dillard, a project manager with the water authority, ductile iron pipe was specified because of its past performance in the utility’s system.

“American provided us with information on the development of resilient wedge gate valves and assisted us in the transition from butterfly valves to gate valves for the project,” said Dillard.

Drew Clayton, AMERICAN Flow Control sales representative explained the difference. “Butterfly valves are designed to throttle and have a disc in the center of the waterway, which can obstruct flow. Gate valves, however, do not have any obstructions in the waterway, and therefore, pumping costs are much lower.”

American’s resilient wedge gate valves with Flex-Ring ends offer boltless restraint, reducing installation times and increasing joint flexibility. The valves are available in sizes up to 60 inches.

“Installing a Flex-Ring gate valve is like laying a piece of pipe,” said Andy Anderson, vice president of Unity Construction, the general contractor, and project manager for the West Side Loop Project. “It takes less time – minutes compared to hours.”

The Cobb County-Marietta Water Authority is a regional public utility that provides water for drinking and fire protection on a wholesale basis. The Water Authority is the second-largest supplier of drinking water in Georgia, and its customers include counties and municipalities in the metro area, as well as companies like Lockheed Martin.

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