AWWA/ANSI C110/A21.10: Ductile Iron and Gray Iron Fittings, 3 in. through 48 in. For Water and Other Liquids

AWWA/ANSI C153/A21.53: Ductile Iron Compact Fittings, 3 in. through 24 in. and 54 in. through 64 in. for Water Service

AWWA/ANSI C111/A21.11: Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings

AWWA/ANSI C104/A21.4: Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

AWWA/ANSI C116/A21.16: Protective Fusion Bonded Epoxy Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings for Water Supply Service

AWWA/ANSI C105/A21.5: Polyethylene Encasement for Ductile-Iron Pipe Systems

AWWA/ANSI C600: Installation of Ductile-Iron Water Mains and their Appurtenances