Ductile Iron Flanged Spigot ISO2531, EN545, AWWA DN80-DN2000 Epoxy coating/FBE/ ... , forging, machining & welding by a lot of material, such as ductile iron, stainless steel, aluminum, brass etc. We have supplied good quality ... and earned good reputation. For the specification of Ductile Iron Flanged Spigot: 1. Material: Ductile Iron GGG45, GGG50. 2. Dimension: DN50-DN2000 of ISO2531 ...