Special Type Ductile Iron Pipe (Tube) is different from regular T type DI pipes, it is seldom used in the main pipeline but used in particular applications with special joint and structure.
The Common Special Type Ductile Iron Pipes (Tube) is classified into the followings:
1. Restrained Joint Ductile Iron Pipe.
2. Flanged Joint Ductile Iron Pipe
3. Jacking Ductile Iron Pipe.