Ductile Iron Fitting, commonly known as DI, refers to a type of fitting used in piping systems. DI MJ ADAPTOR, also known as Ductile Iron Mechanical Joint Adaptor, is a component designed to connect two different pipe ends with mechanical joint connections. It allows for a transition between different pipe types or sizes, facilitating a secure and leak-proof connection.

Where and How it is Used:

DI MJ Adaptors are widely used in water supply networks, sewage systems, and industrial piping projects where there is a need to connect pipes with different materials or diameters using mechanical joints. They serve as a versatile solution for adapting pipes with flanged, plain (spigot), or grooved ends to the mechanical joint connection type, making it easier to integrate diverse pipe sections within the same pipeline.


  1. Versatility: DI MJ Adaptors offer versatility in connecting pipes with different end types, providing a seamless transition between various pipe materials or diameters.
  2. Secure Connection: The mechanical joint connection of DI MJ Adaptors ensures a strong and leak-proof joint, maintaining the integrity of the pipeline.
  3. Corrosion Resistance: DI MJ Adaptors are resistant to corrosion, ensuring a longer service life and maintaining the structural integrity of the pipeline.
  4. Strength and Durability: Ductile iron provides excellent strength and durability, making DI MJ Adaptors reliable and capable of withstanding the pressures and stresses in piping systems.
  5. Easy Installation: The design of DI MJ Adaptors allows for straightforward and quick installation, reducing assembly time and effort.
  6. Cost-Effectiveness: DI MJ Adaptors offer a cost-effective solution for connecting pipes with different end types, eliminating the need for additional materials or complex procedures.
  7. Diverse Applications: DI MJ Adaptors are compatible with various pipe sizes, types, and materials, making them suitable for a wide range of applications in water supply, sewage systems, and industrial piping.

Overall, DI MJ Adaptors provide a practical and efficient solution for connecting pipes with different end types using mechanical joints. Their benefits in terms of versatility, secure connection, corrosion resistance, strength, easy installation, and cost-effectiveness make them a preferred choice for adapting and integrating diverse pipe sections within a piping system.