The NIBCO ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The unique NBR molded-in seat liner with Nylon Coated Ductile Iron disc is recommended for the higher pressure requirements of Commercial HVAC systems today. An extended neck allows for insulation up to 2 inches. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO butterfly valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO butterfly valves are backed by the NIBCO 5-year 125 Percent limited warranty.
