... used for transferring the drinkable water and acid. With special ductile iron material, this series of pipe fittings can also ... AWWA C110. 2, material: DI GGG500-7 or other Ductile iron. 3, coating: Fusion bonded epoxy coating; Cement lining inside ... ; Red anti-rust coating. 4, package: Wooden cases with plastic layer, wooden pallets with plastic layer, steel crates. 5, accessories such as gaskets, ...