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Ductile cast iron pipe, also known as ductile iron pipe or DI pipe, exemplifies a superior piping solution extensively utilized in both water and wastewater applications. Crafted from high-quality cast iron and enhanced with graphite nodules, these pipes exhibit remarkable flexibility, strength, and enhanced durability compared to conventional cast iron pipes. Renowned for their exceptional resistance to corrosion, abrasion, and internal pressure, ductile cast iron pipes are perfectly suited for transporting water over extended distances and under substantial pressure. With outstanding mechanical properties and an impressive lifespan, ductile cast iron pipes are the epitome of reliability for a multitude of infrastructure projects, encompassing water distribution systems, sewer lines, and industrial pipelines.
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Mechanical Joint (MJ): This highly reliable method involves connecting pipes using a sophisticated system of a gland, gasket, and bolts/nuts. The gland and gasket combine to form a watertight seal, while the bolts and nuts ensure the joint is securely fastened, offering robust performance.
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Push-On Joint: This convenient and efficient method entails inserting the spigot end of one pipe into the socket end of another. A high-quality rubber gasket within the socket ensures a secure, leak-proof seal. Remarkably, no additional materials or tools are required for installation, making it an excellent choice for speedy and seamless connections.
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Flanged Joint: Flanged joints are engineered for strong and dependable connections by utilizing flanges and bolts/nuts. The flanges are meticulously attached to the pipe ends, and the bolts/nuts are tightened to compress a gasket between the flange faces, guaranteeing a secure and watertight seal.
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Restrained Joint: Designed for applications where pipes must withstand movement or thrust forces, restrained joints provide enhanced stability. These joints typically incorporate additional components such as harnesses, rods, or restraints to ensure the pipes remain securely in place under various conditions.
1. Strength and Durability: Our ductile cast iron pipes boast exceptional tensile strength and resistance to deformation. Ideal for underground installations, they can endure significant external loads, making them a robust and reliable choice for high-pressure water supply applications.
2. Corrosion Resistance: Equipped with superior internal linings and external coatings, ductile cast iron pipes offer outstanding resistance to corrosion. This feature significantly extends the lifespan of the pipes while minimizing maintenance costs, ensuring long-term efficiency.
3. Flexibility: Ductile cast iron pipes possess inherent flexibility, enabling them to adapt to ground movements and settling without fracturing or leaking. This flexibility makes them highly resilient and reliable for various installation environments.
4. Longevity: Ductile cast iron pipes are designed for long-term reliability, with a potential lifespan exceeding 100 years when properly installed and maintained. This longevity ensures a dependable water distribution system over the decades.
5. Flow Capacity: The smooth internal surface of ductile cast iron pipes minimizes friction losses, maintaining consistent flow rates and ensuring efficient water distribution. This optimized flow capacity is crucial for high-performance water supply systems.
6. Environmental Sustainability: Our ductile cast iron pipes are crafted from recycled materials and are fully recyclable at the end of their service life. This commitment to sustainability not only supports environmental conservation but also promotes responsible resource usage.
| 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 proudly headquartered in Qufu, China, the birthplace of Confucius. As a premier engineering pipeline manufacturer, service provider, and general contractor, we specialize in four categories of functional and customized pipelines: rainwater and sewage diversion, municipal areas, industrial and mining areas, and national key engineering projects. Our comprehensive industrial ecosystem thrives with the participation of design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. By pioneering intelligent pipelines, Donghong Co., Ltd. is steadfast in its mission to transform human life and ensure the unwavering safety of pipeline transportation, aspiring to become a global leader in comprehensive pipeline system solutions.
Donghong boasts a formidable team of over 200 R&D personnel and holds more than 100 patents. Through leveraging national technology R&D platforms such as the National Enterprise Technology Center, National CNAS Laboratory, Academician Expert Workstation, and Post-doctoral Workstation, we delve deep into the realms of digitalization, informatization, and intelligent pipeline engineering. Leading the engineering pipeline industry's advancement, Donghong plays a pivotal role in national key strategic and public welfare projects, including the South-to-North Water Diversion, Huangzhilin, Hanzhiwei, Beijing-New Zealand Expressway, One Belt One Road initiative, 'Two Clear and One Tip', standardized farmland, urban and rural water supply integration, Liren gas, and centralized heat supply. Our commitment to excellence ensures we serve the nation's critical infrastructure and the public with unwavering dedication.
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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