The NIBCO pecent ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The valve features an EPDM encapsulated ductile iron disc. The internal stem/disc splined drive design eliminates the need for pins or bolts that may create leak paths or turbulence in the waterway. 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 pecent ductile iron butterfly valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO pecent butterfly valves are backed by the NIBCO 5-year 125% limited warranty.