Ductile Iron Pipe Plug, Socket Plug, Blind Flange
Ductile iron fittings are indispensable in modern pipeline infrastructure, playing a critical role in various engineering fields. Produced using advanced casting techniques with ductile iron as the primary material, these fittings offer superior performance. Their exceptional strength allows them to withstand high pressure and impact, maintaining stability even in challenging environments and under unforeseen stresses. This durability enhances the safety and reliability of the entire pipeline system. Additionally, ductile iron fittings are highly resilient, capable of withstanding extreme conditions such as low temperatures and seismic activity, ensuring uninterrupted operation of the pipeline network and extending its service life.

Ductile iron fittings are known for their outstanding resistance to corrosion. Their surfaces are specially treated to protect them from a wide range of corrosive agents. Whether exposed to acidic, alkaline, or other aggressive chemicals, these fittings maintain their integrity and are highly resistant to degradation. This resilience not only reduces the frequency of maintenance and replacement but also minimizes the risks of corrosion-related issues and leaks, ultimately saving both time and money.
In terms of casting properties, ductile iron fittings offer excellent flexibility. They can be molded into a variety of complex shapes, such as elbows, tees, crosses, and reducers, to accommodate the specific needs of different projects. This adaptability allows ductile iron fittings to easily integrate into intricate pipeline designs, offering significant benefits during both the design and installation phases of construction.

Ductile iron fittings offer a variety of connection methods, including spigot and socket joints, flanged connections, and others. These methods are easy to implement, quick to install, and help streamline the construction process, reducing project timelines. Additionally, their strong and reliable connection designs ensure effective sealing and stability, significantly lowering the risk of leaks in the pipeline system.
Due to their exceptional performance and adaptability, ductile iron fittings are widely used across multiple sectors, including water supply and drainage, gas transmission, and industrial fluid transport. In municipal water systems, they ensure reliable and continuous water supply; in gas transmission, they provide solid support for urban energy networks; and in industrial applications, they meet demanding operational standards. This versatility makes them a crucial choice for ensuring the efficient operation of both urban infrastructure and industrial processes.




| Pressure - Bearing Performance Parameters of Ductile Iron Pipes | |||||||
| DN | DE(mm) | Pressure Rating | Radial Rigidity (KN/M²) |
Nominal Wall Thickness (mm) |
PFA MPA |
PAM MPA |
PEA MPA |
| DN80 | 98 | C40 | 856 | 4.4 | 4.0 | 4.8 | 5.3 |
| DN100 | 118 | C40 | 481 | 4.4 | 4.0 | 4.8 | 5.3 |
| DN125 | 144 | C40 | 271 | 4.5 | 4.0 | 4.8 | 5.3 |
| DN150 | 170 | C40 | 163 | 4.5 | 4.0 | 4.8 | 5.3 |
| DN200 | 222 | C40 | 84 | 4.7 | 4.0 | 4.8 | 5.3 |
| DN250 | 176 | C30 | 52 | 4.9b | 3.0 | 3.6 | 4.1 |
| DN300 | 326 | C30 | 34 | 5.1 | 3.0 | 3.6 | 4.1 |
| DN350 | 378 | C30 | 44 | 6.3b | 3.0 | 3.6 | 4.1 |
| DN400 | 429 | C25 | 34 | 6.5b | 3.0 | 3.6 | 4.1 |
| DN450 | 480 | C25 | 23 | 6.5b | 2.5 | 3.0 | 3.5 |
| DN500 | 532 | C25 | 17 | 6.5 | 2.5 | 3.0 | 3.5 |
| DN600 | 635 | C25 | 17 | 7.6b | 2.5 | 3.0 | 3.5 |
| DN700 | 738 | C25 | 17 | 8.8b | 2.5 | 3.0 | 3.5 |
| DN800 | 842 | C25 | 15 | 9.6 | 2.5 | 3.0 | 3.5 |
| DN900 | 945 | C25 | 15 | 10.6 | 2.5 | 3.0 | 3.5 |
| DN1000 | 1048 | C25 | 14 | 11.6 | 2.5 | 3.0 | 3.5 |
| DN1100 | 1152 | C25 | 14 | 12.6 | 2.5 | 3.0 | 3.5 |
| DN1200 | 1255 | C25 | 14 | 13.6 | 2.5 | 3.0 | 3.5 |
| DN1400 | 1462 | C25 | 14 | 15.7 | 2.5 | 3.0 | 3.5 |
| DN1500 | 1565 | C25 | 14 | 16.7 | 2.5 | 3.0 | 3.5 |
| DN1600 | 1668 | C25 | 13 | 17.7 | 2.5 | 3.0 | 3.5 |
| DN1800 | 1785 | C25 | 13 | 19.7 | 2.5 | 3.0 | 3.5 |
| DN2000 | 2082 | C25 | 13 | 21.8 | 2.5 | 3.0 | 3.5 |
| DN2200 | 2288 | C25 | 13 | 23.8 | 2.5 | 3.0 | 3.5 |
| DN2400 | 2495 | C25 | 13 | 25.8 | 2.5 | 3.0 | 3.5 |
| DN2600 | 2702 | C25 | 13 | 27.9 | 2.5 | 3.0 | 3.5 |
| DN2800 | 2908 | C25 | 13 | 29.9 | 2.5 | 3.0 | 3.5 |
| DN3000 | 3115 | C25 | 13 | 31.9 | 2.5 | 3.0 | 3.5 |
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