1.Ductile iron fitting-socket bend 2.Standard: ISO2531/EN545/,K12 3.Material:Ductile Iron 4.Coating:internal with cement inlined,external with Bitumen/Epoxy 5.Bend Degree: Standard11.25, 22.5, 45, 90deg, or any degree as customer's request 6.Size: DN80-DN2000