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Ductile cast iron pipe, also known as ductile iron pipe or DI pipe, is a superior type of piping widely acclaimed for water and wastewater applications. Crafted from cast iron enhanced with graphite nodules, these pipes boast remarkable flexibility, strength, and durability, setting them apart from conventional cast iron pipes. Renowned for their exceptional resistance to corrosion, abrasion, and internal pressure, ductile cast iron pipes are the perfect solution for transporting water over extended distances and enduring high-pressure conditions. Their outstanding mechanical properties and prolonged service life make them an indispensable choice for a myriad of infrastructure projects, including water distribution systems, sewer lines, and industrial pipelines. For unparalleled reliability and performance, choose ductile cast iron pipes.
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Mechanical Joint (MJ): This robust method utilizes mechanical joints composed of a gland, gasket, and bolts/nuts to seamlessly connect two pipes. The gland and gasket ensure a watertight seal, while the securely fastened bolts and nuts hold the joint together with precision.
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Push-On Joint: This quick and efficient method involves simply inserting the spigot end of one pipe into the socket end of another. The rubber gasket nestled within the socket guarantees a secure seal, and no additional tools or materials are needed for this straightforward installation.
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Flanged Joint: Flanged joints offer a strong connection by using flanges and bolts/nuts. These flanges are affixed to the pipe ends, and tightening the bolts/nuts compresses a gasket between the flange faces, creating a reliable and leak-proof seal.
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Restrained Joint: Perfect for applications requiring resistance to movement or thrust forces, restrained joints feature additional components like harnesses, rods, or restraints. These components work together to firmly secure the pipes, ensuring stability and durability.
1. Strength and Durability: Crafted with high tensile strength, ductile cast iron pipes resist deformation, making them ideal for underground installations. They can withstand significant external loads, providing a robust solution for both municipal and industrial water supply systems.
2. Corrosion Resistance: The exceptional internal lining and external coatings of ductile cast iron pipes offer superior resistance to corrosion. This enhances their longevity, reduces maintenance costs, and ensures continuous, reliable service.
3. Flexibility: Boasting inherent flexibility, ductile cast iron pipes can endure ground movement and settling without fracturing or leaking. This adaptability makes them a dependable choice for versatile installations.
4. Longevity: With meticulous installation and diligent maintenance, ductile cast iron pipes can serve reliably for over 100 years. Their prolonged lifespan guarantees long-term dependability for all water distribution needs.
5. Flow Capacity: The smooth internal surface of ductile cast iron pipes minimizes friction losses, ensuring consistent flow rates. This design feature optimizes efficient water distribution, maintaining high performance throughout its service life.
6. Environmental Sustainability: Constructed from recycled materials, ductile cast iron pipes are fully recyclable at the end of their lifecycle. This commitment to recycling reinforces their contribution to environmental sustainability, making them an eco-friendly choice for modern infrastructure.
| Diameter (mm) |
DE(mm) |
THICKNESS OF WALL(mm) |
TOTAL WEIGHT(kg) |
| 80 |
98 |
6.0 |
6.0 |
6.0 |
77.0 |
| 100 |
118 |
6.0 |
6.0 |
6.0 |
95.0 |
| 125 |
144 |
6.0 |
6.0 |
6.0 |
121.0 |
| 150 |
170 |
6.0 |
6.0 |
6.0 |
144.0 |
| 200 |
222 |
6.0 |
6.3 |
6.4 |
194.0 |
| 300 |
326 |
6.4 |
7.2 |
8.0 |
357.0 |
| 350 |
378 |
6.8 |
7.7 |
8.5 |
441.0 |
| 400 |
429 |
72 |
8.1 |
9.0 |
532.0 |
| 450 |
480 |
7.6 |
8.6 |
9.5 |
632.0 |
| 500 |
532 |
8.0 |
9.0 |
10.0 |
736.0 |
| 600 |
635 |
8.8 |
9.9 |
11.0 |
971.0 |
| 700 |
738 |
9.6 |
10.8 |
12.0 |
1237.0 |
| 800 |
842 |
10.4 |
11.7 |
13.0 |
1537.0 |
| 900 |
945 |
11.2 |
12.6 |
14.0 |
1863.0 |
| 1000 |
1048 |
12.0 |
13.5 |
15.0 |
2221.0 |
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is headquartered in Qufu, China, the historic hometown of Confucius. The company excels as an engineering pipeline manufacturer, pipeline engineering service provider, and general contractor, focusing on the innovation and production of four main categories of functional and customized pipelines: special pipelines for rainwater and sewage diversion, municipal areas, industrial and mining zones, and national key engineering projects. Donghong has developed a robust industrial ecosystem involving design institutes, financial institutions, port logistics, construction units, and upstream and downstream enterprises. Our ultimate aim is to emerge as a globally leading comprehensive pipeline system solution provider, enhancing human life and ensuring the safety of pipeline transportation through intelligent innovations.
Donghong boasts a team of over 200 R&D personnel and holds more than 100 patents. Leveraging national technology R&D platforms such as the National Enterprise Technology Center, the National CNAS Laboratory, the Academician Expert Workstation, and the Post-doctoral Workstation, Donghong pioneers in the research and development of pipeline engineering digitization, informatization, and intelligentization. The company leads the engineering pipeline industry's progress and significantly contributes to national key strategic projects and essential public welfare initiatives. These include the South-to-North Water Diversion, Huangzhilin, Hanzhiwei, Beijing-New Zealand Expressway, One Belt, One Road, "Two Clear and One Tip", standardized farmland projects, urban and rural water supply integration, Liren gas, and centralized heat supply, among others. Donghong is unwaveringly committed to supporting national strategic initiatives and enhancing quality of life through its advanced pipeline solutions.
1. Is your product meets the international standard ?
Our products have pass CE, BV, ISO and wars certificate, and all figures indicates higher than standard, you can feel free to let us know which national standard you required, we will check or test it for you.
2. What kind of service do you offer ?
As a manufacture fatory, we provide pipe products, pipe fittings, package and shipping; as a professional consulation company we provide project consulting advise, pipe system solutions and design suggestions; as an engineering focused enterprise , we also provide pipeline contractor service and pipe repair service, also can give free maintance guidance.
3. Do you support OEM/ODM service?
Yes, we offer customization in material, specification, logo, package , connection methods andothers. Meanwhile, our professional team can offer solution suggestion for your specified projects, we have successfull cases of that service.
4. What's your terms of payment?
T/T or L/C at sight.
5. How can you gurantee the goods you offered is qualified?
We warmly welcome all customers arrange the visit to our company and see our goods in sight, we can also provide strict test as per customer required before order. Meanwhile, before the bulk production, we can dispatch samples for customer to do their own tests to qualify the products.
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