Ductile Iron Pipe Material: Ductile Iron Dimension standard ISO2531/EN545/BS4772 DN80-DN1200mm,ISO2531,BS En545,ISO4179,ISO8179,for water & gas transportation understandDuctile Iron Pipe Features:1) The pipes are produced with good straightness, wall thickness, remarkable mechanical prosperities and firmly sticking internal and external coating layer2) Flexible push-in joint and rubber gasket are ...