Simmons offers stainless steel check valves in sizes 1 through 2 inches in a time-proved quality design. The stainless steel submersible check valves are available in 1 by 1¼-inch and 1¼ by 1¼-inch sizes. Single and double tappings are an available option on all Simmons check valve sizes. A stainless steel 1¼-inch foot valve is also available. Simmons check and foot valves are certified lead free by Truesdail Laboratories. Simmons Manufacturing, based in McDonough, Ga, has been in business since 1957.