The ductile iron pipe is made according to ISO 2531 or BS EN545
Ductile Iron Pipes: Material: Ductile Iron. Type: Double Flanged Push- on Double Spigot Flanged- SpigotStandard: ISO2531, BS EN545Fittings are externally coated with zinc plus bitumen according to ISO8179. Fittings are internally protected with cement mortar lining according to ISO4179