Ductile Iron Pipe Fitting factory

Ductile Iron Pipe Fitting Socket Fittings Standard: ISO2531, EN545, EN598. Range: DN100-DN2000 Coating: internal: a). Portland cement mortar lining b). Sulphate Resistant cement mortar lining c). High-Aluminum cement mortar lining d). Fusion bonded epoxy coating f). Liquid epoxy painting. e). Black bitumen painting. external: a). zinc(130g/㎡)+bitumen(70microns) painting b). Fusion bonded epoxy coating c). zinc-aluminum alloy (400g/㎡)+liquid epoxy painting according to