NAPAC’s “United” brand Flanged Fittings are manufactured of high strength grey Cast Iron and in made in accordance to ANSI B16.1 Class 125 and Class 250 specifications in sizes 2” -12” in a variety of elbows, tees, reducers, laterals and blind flanges. Fittings in these configurations are also available up thru size 48” in high strength Ductile Iron. Visit www.napacinc.com for full product line and the most up-to-date information.