The NIBCO resilient wedge ductile iron gate valve features flanged, flat face end connections for easy installation and accessibility. Non-rising stem gate valves are recommended when positive shutoff is required and where space is a premium. These valves may be operated with a hand-wheel or square operating nut and wrench (wrench not included). Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO gate valves for one of the most versatile and economical valve option in irrigation, commercial, mechanical and industrial applications. NIBCO valves are backed by the NIBCO 5-year 125 Percent limited warranty.