Av-Tek is a supplier of products for municipal applications for water and sewage. The products offered are stocked with quality in mind. Stocking products include Double Eccentric Butterfly Valves, resilient seated butterfly valves in lug or wafer connections, and ball check valves for sewage applications. They also provide many other valves in a variety of material options. High quality valves for water works, municipal, water treatment, wastewater and industrial applications.