Ductile Iron Pipe, often hailed as the workhorse of modern piping systems, stands as a remarkable innovation compared to traditional Cast Iron Pipe. Also known as Nodular Cast Iron Pipe, Ductile Cast Iron Pipes, or Spheroidal Graphite Cast Iron Pipe, and commonly abbreviated as DIP, its superiority lies in the unique structure of graphite within the iron matrix. Through a specialized treatment during production, graphite forms into spherical nodules, endowing the material with enhanced tensile strength, flexibility, and impact resistance, making it a reliable choice for a plethora of applications, especially in water distribution.
Centrifugally Cast Ductile Iron Pipes are crafted using a highly precise manufacturing technique. Molten iron is poured into a rapidly rotating mold, and the centrifugal force evenly distributes the iron, resulting in pipes with consistent wall thickness and a smooth inner surface. This process not only ensures excellent dimensional accuracy but also optimizes the pipe's mechanical properties. The smooth interior reduces fluid resistance, enabling efficient water flow and minimizing energy consumption, which is crucial for large - scale water distribution networks.
In water distribution systems, Ductile Iron Pipe has proven to be an outstanding solution. Whether for supplying potable water to urban centers or for irrigation in rural areas, these pipes can handle the pressure and volume demands with ease. Their resistance to corrosion, due in part to various Pipe Coating options, extends their lifespan significantly. Coatings such as zinc - based layers act as a protective shield, preventing rust and chemical attack. Epoxy coatings, on the other hand, provide a smooth, non - reactive surface that safeguards the water quality, making them ideal for transporting drinking water.
Flanged Ductile Iron Pipe and Socketed End Ductile Iron Pipe offer different yet effective connection methods. Flanged pipes feature flat, circular flanges at the ends, which are bolted together with gaskets in between, creating a strong, leak - proof joint. This type of connection is particularly useful in above - ground installations, industrial settings, or situations where easy disassembly for maintenance is required. Socketed end pipes, with their spigot - and - socket design, are more commonly used in underground projects. The spigot of one pipe fits into the socket of another, and a rubber gasket forms a tight seal. This connection allows for some flexibility, accommodating minor ground movements without compromising the integrity of the pipeline.
Pipe Fittings are essential components in Ductile Iron Pipe systems. Made from the same high - quality ductile iron, these fittings include elbows, tees, reducers, and couplings. They enable changes in the direction of the pipeline, branching of the system, and size adjustments, ensuring that the water distribution network can be customized to meet specific requirements. High - quality pipe fittings guarantee seamless integration with the pipes, maintaining the overall strength and hydraulic performance of the entire system.
Beyond water distribution, Ductile Iron Pipe finds applications in many other fields. In sewage systems, its strength and durability allow it to withstand the pressure and potential abrasion from waste materials. In industrial settings, it can be used to transport various fluids, including chemicals and industrial wastewater, thanks to its resistance to a wide range of corrosive substances.
The adaptability of Ductile Iron Pipe makes it suitable for diverse environments. In cold regions, it can resist the expansion and contraction caused by temperature changes, preventing cracks and leaks. In areas with high soil acidity or other challenging soil conditions, the pipe's corrosion - resistant properties, enhanced by pipe coatings, ensure its long - term functionality.
In summary, Ductile Iron Pipe, with its advanced manufacturing process, versatile connection methods, essential pipe fittings, and protective pipe coatings, has become an integral part of modern infrastructure. Its ability to meet the complex demands of water distribution and other applications makes it a reliable and cost - effective choice. As infrastructure development continues worldwide, the significance of Ductile Iron Pipe in building sustainable and efficient systems will remain unwavering.
High-quality Ductile iron Pipe Parameters. |
Specification |
K7 Wall Thickness/mm |
K8 Wall Thickness/mm |
K9 Wall Thickness/mm |
Theoretical Weight/Ton |
Nominal Wall Thickness |
Minimum Wall Thickness |
Nominal Wall Thickness |
Minimum Wall Thickness |
Nominal Wall Thickness |
Minimum Wall Thickness |
DN80 |
/ |
/ |
/ |
/ |
6 |
4.7 |
0.077 |
DN100 |
4.2 |
2.9 |
4.8 |
3.5 |
6 |
4.7 |
0.095 |
DN150 |
4.55 |
3.25 |
5.2 |
3.9 |
6 |
4.7 |
0.144 |
DN200 |
4.9 |
3.6 |
6.5 |
4.3 |
6.3 |
4.8 |
0.194 |
DN250 |
5.25 |
3.95 |
6 |
4.7 |
6.8 |
5.25 |
0.255 |
DN300 |
5.6 |
4.3 |
6.4 |
4.8 |
7.2 |
5.6 |
0.323 |
DN350 |
5.95 |
4.65 |
6.8 |
5.15 |
7.7 |
6.05 |
0.403 |
DN400 |
6.3 |
4.6 |
7.2 |
5.5 |
8.1 |
6.4 |
0.482 |
DN450 |
6.65 |
4.9 |
7.6 |
5.85 |
8.6 |
6.85 |
0.577 |
DN500 |
7 |
5.2 |
8 |
6.2 |
9 |
7.2 |
0.669 |
DN600 |
7.7 |
5.8 |
8.8 |
6.9 |
9.9 |
8 |
0.882 |
DN700 |
8.4 |
6.4 |
9.4 |
7.6 |
10.8 |
8.8 |
1.123 |
DN800 |
9.1 |
7 |
10.4 |
8.3 |
11.7 |
9.6 |
1.394 |
DN900 |
/ |
/ |
11.2 |
9 |
12.6 |
10.4 |
1.691 |
DN1000 |
/ |
/ |
12 |
9.7 |
13.5 |
11.2 |
2.017 |
DN1200 |
/ |
/ |
13.6 |
11.1 |
15.3 |
12.8 |
2.758 |
DN1400 |
/ |
/ |
15.2 |
12.5 |
17.1 |
14.4 |
3.669 |
DN1500 |
/ |
/ |
16 |
13.2 |
18 |
15.2 |
4.175 |
DN1600 |
/ |
/ |
16.8 |
13.9 |
18.9 |
16 |
4.668 |
DN1800 |
/ |
/ |
18.4 |
15.3 |
20.7 |
17.6 |
5.803 |
DN2000 |
/ |
/ |
20 |
16.7 |
22.5 |
19.2 |
7.043 |
DN2200 |
/ |
/ |
21.6 |
18.1 |
24.3 |
20.8 |
8.332 |
DN2400 |
/ |
/ |
23.2 |
20.3 |
26.1 |
22.4 |
9.822 |
DN2600 |
/ |
/ |
24.8 |
20.9 |
27.9 |
24 |
11.392 |
K7, K8, and K9 are all calculated based on the same theoretical weight. |
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 |
Q1: Are you trading company or manufacturer ?
A1: We are factory.
Q2:Can I go to your factory to visit?
A2:Of course, we welcome customers from all over the world to visit our factory.
Q3: How long is your delivery time?
A3: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.
Q4:What is the advantage about your company?
A4:Our company has professional team and professional production line.
Q5: The logo and the color can be customized?
A5: Yes, we welcome you to sample custom
Q6: Any other good service your company can provide?
A6:Yes,we can provide good after-sale and fast delivery.
Q7:What product information do I need to provide?
A7:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q8:Does the product have quality inspection before loading?
A8:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.
Factory Introduction
We are a specialized ductile iron pipe manufacturing factory based in Shanxi, China. With a rich heritage of over 20 years in this industry, we have established ourselves as a reliable and experienced player in the global market.
Our ductile iron pipes have found their way to numerous countries across the globe. This wide - reaching export network is a testament to the trust that our international customers place in our products. The quality of our pipes has been recognized and praised by various sectors. We adhere to strict international quality standards, and our production facilities are equipped with state - of - the - art technology to ensure precision and consistency.
Each batch of our products undergoes rigorous quality control checks. We conduct comprehensive tests on factors such as pipe strength, pressure - bearing capacity, and corrosion resistance. This meticulous approach to quality control has earned us a reputation for delivering products that are not only durable but also perform optimally in diverse applications, whether it's for water supply, gas transmission, or other infrastructure projects.



