Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 500 m

Supply Capability:: 100000 m/month

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1.Ductile Iron Pipe Description :

DI pipe fittings are manufactured according to ISO 2531 or BS EN545 or BS4772 FOR POTABLE WATER ,internal is cement lining or wet epoxy coating;External is zinc plus bitumen or wet epoxy coating. We also manufacture ductile iron fittings with fusion bonded epoxy both inside and outside. All the producets are sutible to water pipes fields.We have passed ISO9001,ISO14001,OHSMS18001 certificate.

2.Main Features of the Ductile Iron Pipe:
1. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
6. Internal Lining: Cement, conform to ISO4179
7. External coating: Zinc + Bitumen, conform to ISO8179
3.Ductile Iron Pipe Images:

Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

4.Ductile Iron Pipe Specification:
Standard: API SPEC 5L 44th eidtion,ASTM A252-98(2007)
Grade: A53 Grades A/B, ASTM A106 Grades B/C,ASTM A179
AWWA, C200, ASTM A139, ASTM A120, API 5L Grade B
X42, X52, X56, X60, X65, X70, X80, X100
Weld Alternatives: LSAW
OD size range: 6.4~44.5mm
Wall thickness: 406.4~1422mm
5.FAQ:
1.Q: Why would you choose ductile iron pipe rather than other pipe materials?
A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.
2.Q:Why can you guarantee the inner of pipes can’t be corroded?
A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

Q: Can ductile iron pipe be used for hot water applications?: Yes, ductile iron pipe can be used for hot water applications. Ductile iron pipe is known for its strength, durability, and high resistance to corrosion, which makes it suitable for a wide range of applications, including hot water systems. It can handle high temperatures and pressure, making it a reliable choice for transporting hot water. Additionally, ductile iron pipe's thermal conductivity properties allow for efficient heat transfer, ensuring that hot water is delivered effectively throughout the system. Therefore, when considering materials for hot water applications, ductile iron pipe is a suitable option.

Q: How are ductile iron pipes installed?: Ductile iron pipes are typically installed using the following method. First, the trench is excavated to the required depth and width. The bottom of the trench is then carefully leveled and compacted to provide a stable foundation. Next, a bedding material, usually a sand and gravel mixture, is placed at the bottom of the trench. This bedding material helps to support the pipe and distribute the load evenly. It also serves to protect the pipe from any sharp objects that may be present in the soil. Once the bedding is prepared, the ductile iron pipes are carefully lowered into the trench and aligned to the desired position. It is important to ensure that the pipes are properly aligned and have the correct slope for efficient water flow. After the pipes are in place, they are joined together using a mechanical joint or a push-on joint system. These joints are designed to provide a secure and leak-free connection between the pipes. The joints are typically sealed using rubber gaskets, which help to create a watertight seal. Once the pipes are joined, the trench is backfilled with the excavated soil, taking care to compact it in layers to prevent settlement. The backfilling process is usually done in stages to allow for proper compaction. Finally, the installation is completed by connecting the ductile iron pipes to the existing water supply system or other pipes using appropriate fittings and valves. Pressure testing may also be carried out to ensure the integrity of the installation. Overall, the installation of ductile iron pipes requires careful planning, proper alignment, and secure jointing to ensure a long-lasting and reliable water supply system.

Q: Are there any special coatings or linings used for ductile iron pipes?: Ductile iron pipes utilize specialized coatings and linings to protect against corrosion and increase their lifespan. The interior and exterior surfaces of the pipes are treated with these coatings and linings. Several popular options for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is frequently employed to create a safeguarding layer on the inside of ductile iron pipes. This mixture of cement, sand, and water is applied to the pipe's interior surface. By doing so, it effectively prevents corrosion caused by water or other fluids flowing through the pipes. Polyethylene encasement is an additional protective coating used for ductile iron pipes. This method involves enveloping the pipes with a layer of polyethylene material. This barrier protects against environmental factors and inhibits direct contact between the pipe and the surrounding soil, minimizing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is administered to the exterior of ductile iron pipes. This coating provides exceptional corrosion resistance and mechanical protection. FBE coating is often utilized in aggressive environments where pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is another type of lining employed for ductile iron pipes. It offers superior resistance to both corrosion and abrasion. This liquid polymer lining is sprayed onto the interior surface of the pipes, resulting in a smooth and durable protective layer that extends the life of the pipes. These coatings and linings are essential for maintaining the integrity and longevity of ductile iron pipes, ensuring optimal performance in a variety of applications such as water distribution, wastewater management, and industrial processes.

Q: Steel plastic pipe, ductile iron pipe, steel pipe difference: Spheroidal graphite tube, now application has been relatively small, generally used for conveying water, gas at room temperature, low pressure, large diameter pipelines need to produce concrete pipe base, good corrosion resistance than steel pipe joints, vulnerable to external extrusion and leakage, the price is relatively cheap.

Q: How does ductile iron pipe handle traffic loads and vibrations?: Ductile iron pipe is well-equipped to handle traffic loads and vibrations due to its inherent strength and durability. The material properties of ductile iron, such as its high tensile strength and impact resistance, make it a reliable choice for withstanding heavy loads and vibrations caused by traffic. When subjected to traffic loads, ductile iron pipe has the ability to distribute the weight effectively, minimizing stress concentrations and potential damage. This is due to its flexible nature, which allows it to absorb and dissipate the forces exerted by traffic, preventing cracks or fractures from forming. Moreover, ductile iron pipe's ability to dampen vibrations is another advantage. Its high density and stiffness help to absorb and dissipate the energy generated by vibrations, reducing their impact on the pipe and surrounding infrastructure. This is crucial in areas with heavy traffic or construction activities, where vibrations can be common. Furthermore, ductile iron pipes are often designed and manufactured to meet industry standards and specifications, ensuring they can withstand the anticipated traffic loads and vibrations. These pipes are commonly used in water distribution systems, sewers, and underground infrastructure, where they are subjected to various dynamic loads and vibrations. In summary, ductile iron pipe is an excellent choice for handling traffic loads and vibrations due to its strength, flexibility, and ability to dampen vibrations. Its reliable performance under these conditions makes it a preferred material for infrastructure projects, ensuring long-term durability and minimal impact on the pipe's structural integrity.

Q: Are ductile iron pipes suitable for wastewater systems?: Yes, ductile iron pipes are suitable for wastewater systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the harsh conditions often found in wastewater systems. It has a high tensile strength, which allows it to handle the pressure and stress caused by the flow of wastewater. Additionally, ductile iron pipes are easy to install and have a long lifespan, making them a cost-effective choice for wastewater systems. Overall, ductile iron pipes are a reliable and suitable option for carrying wastewater in various applications.

Q: A tube is used only in ductile iron pipes, isn't it?: Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve greater runoff; from the installation and maintenance cost, ductile pipe have more favorable price. The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q: Are there any specific standards or regulations for ductile iron pipe?: Yes, there are specific standards and regulations for ductile iron pipe. Ductile iron pipe is commonly used in water and wastewater systems due to its strength and durability. The most widely recognized standard for ductile iron pipe is the American Water Works Association (AWWA) C151 standard. This standard covers the minimum requirements for ductile iron pipe, including materials, dimensions, tolerances, and testing methods. It also provides guidelines for the manufacturing, installation, and maintenance of ductile iron pipe systems. In addition to the AWWA C151 standard, there are also other standards and regulations that govern the use of ductile iron pipe in different countries. For example, in Europe, ductile iron pipe is governed by the EN 545 and EN 598 standards, which specify the requirements for ductile iron pipes and fittings used in water supply and wastewater systems. Furthermore, government agencies such as the Environmental Protection Agency (EPA) in the United States may have specific regulations and guidelines for the use of ductile iron pipe in certain applications, such as drinking water systems. It is crucial for manufacturers, contractors, and engineers involved in the design, installation, and maintenance of ductile iron pipe systems to ensure compliance with these standards and regulations. This helps to ensure that ductile iron pipe is manufactured to the highest quality standards, and that it is installed and maintained properly to ensure its longevity and reliability in water and wastewater systems.

Q: How do ductile iron pipes compare to PVC pipes?: Ductile iron pipes are generally stronger and more durable compared to PVC pipes. They have a higher tensile strength and can withstand higher pressure, making them suitable for more demanding applications such as water mains and sewer lines. PVC pipes, on the other hand, are lightweight, easy to install, and resistant to corrosion, making them a popular choice for household plumbing and irrigation systems. Ultimately, the choice between ductile iron and PVC pipes depends on the specific needs and requirements of the project.

Q: What is the typical lifespan of ductile iron pipes?: The lifespan of ductile iron pipes can differ based on multiple factors, including pipe quality, environmental conditions, and maintenance practices. On average, these pipes typically last approximately 75 to 100 years. This longevity establishes them as a sturdy and enduring choice for water and sewage transport systems. Through correct installation and consistent upkeep, these pipes can endure corrosion, pressure, and other external elements, guaranteeing their durability and dependability. Furthermore, advancements in coatings and linings have extended the lifespan of ductile iron pipes, making them an exceptional option for infrastructure projects.

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