The solid wedge, integral seats and bi-directional service make the gate valve a good choice for a broad range of services. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® valves for the most specified, versatile and economical valve option in commercial and residential applications. NIBCO® valves are backed by the NIBCO INC. 5-year 125% limited warranty.