... ductile iron pipe 2)cast iron pipe 3)steel pipe. 4)high quality and competitive price Description of theductile iron flexible ... rings, epoxy coated3) Complete set of bolts, nuts and gaskets.4) Specifications: type: AB-CD, AC-DI, AC-Stl, DI-Stl ... size: 2", 4", 6", 8", 12", 16" 5) Leak-free connection between ductile ...