... .Lighter weight than double flanged centric line. Cast Iron Butterfly Valve /72 Inch Verified Information This information is Verified by Bureau ... name Production Line Capacity Actual Units Produced(Previous Year) Butterfly Valve, Check Valve, Y-Strainer USD 5,400,000.00 per year ... USD 76,190 2.4 North America USD 852,380 26.9 South America USD 1,152,380 36.3 Eastern ...