ductile iron pipe of chinaClass NBR

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

Q: Are ductile iron pipes suitable for use in irrigation canals?: Ductile iron pipes excel in irrigation canals due to their robustness and endurance. Their exceptional strength and durability make them an optimal selection for water transportation in irrigation systems. With remarkable tensile strength, they withstand the demanding loads and pressures regularly encountered in irrigation canals. Moreover, their remarkable corrosion resistance makes them an ideal fit for environments with varying water quality. Additionally, they possess resistance against UV rays and extreme weather conditions, guaranteeing their long lifespan within irrigation canal systems. Additionally, ductile iron pipes efficiently handle high flow rates, enabling efficient water transportation over extensive distances, ensuring effective irrigation. In summary, ductile iron pipes offer an array of advantages and are a trustworthy and fitting option for usage in irrigation canals.

Q: How are ductile iron pipes protected against external corrosion?: Ductile iron pipes are protected against external corrosion through the application of protective coatings such as polyethylene, epoxy, or zinc. These coatings act as a barrier between the pipe and the surrounding environment, preventing contact with corrosive elements such as water, soil, or chemicals. Additionally, cathodic protection techniques, such as sacrificial anodes or impressed current systems, may also be employed to further enhance the corrosion resistance of ductile iron pipes.

Q: Are ductile iron pipes suitable for installation in areas with high groundwater table?: Yes, ductile iron pipes are suitable for installation in areas with a high groundwater table. Ductile iron pipes are known for their high strength and durability, making them ideal for underground installations. They can withstand the external pressure from the groundwater without deforming or collapsing. Additionally, ductile iron pipes have excellent corrosion resistance, which helps protect them from the potentially corrosive effects of groundwater. Therefore, they can be safely used in areas with a high groundwater table, providing reliable and long-lasting water supply infrastructure.

Q: How are ductile iron pipes protected against interior corrosion?: Ductile iron pipes are protected against interior corrosion through a process called cement-mortar lining. This involves applying a thick layer of cement mortar to the interior surface of the pipes, which acts as a protective barrier against corrosion caused by the flow of water or other substances. Additionally, corrosion-resistant coatings can also be applied to the pipes to provide further protection.

Q: Can ductile iron pipe be used for industrial process piping?: Yes, ductile iron pipe can be used for industrial process piping. Ductile iron pipe is known for its strength, durability, and corrosion resistance, making it suitable for various industrial applications including process piping. It can handle high-pressure and high-temperature environments, making it a reliable choice for transporting fluids and gases in industrial settings.

Q: What is the expected pressure rating of ductile iron pipes?: The expected pressure rating of ductile iron pipes generally varies depending on the specific size, thickness, and application requirements. However, ductile iron pipes are known for their high strength and durability, allowing them to withstand high-pressure situations. Typically, they can handle working pressures ranging from 150 to 350 psi (pounds per square inch) or even higher, making them suitable for various water supply, wastewater, and industrial applications.

Q: What is ductile iron pipe?: The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. Execution standard GB/T13295-2003ISO2531/2003

Q: Are ductile iron pipes suitable for acidic or alkaline environments?: Ductile iron pipes are generally suitable for both acidic and alkaline environments, although their performance may vary depending on the specific conditions. Ductile iron is a type of cast iron that has been treated with a small amount of magnesium to enhance its strength and flexibility. This treatment allows ductile iron pipes to withstand a wide range of conditions, including those found in acidic or alkaline environments. In acidic environments, ductile iron pipes provide good resistance to corrosion. The iron in the pipes reacts with the acid to form a protective layer of iron oxide, which helps prevent further corrosion. However, it is important to note that the performance of ductile iron pipes in acidic environments can be influenced by factors such as the concentration of the acid and the temperature. In highly concentrated or extremely acidic conditions, alternative materials like stainless steel or corrosion-resistant alloys may be more suitable. Similarly, in alkaline environments, ductile iron pipes exhibit good resistance to corrosion. The alkaline conditions in these environments typically help to passivate the surface of the iron, forming a protective layer that prevents further corrosion. However, as in acidic environments, the specific conditions and concentrations of alkalis may impact the performance of ductile iron pipes. In cases of very high alkalinity or extreme temperatures, other materials like plastic or concrete pipes may be more appropriate. It is worth noting that although ductile iron pipes are generally suitable for both acidic and alkaline environments, regular maintenance and monitoring are crucial to ensure their long-term performance. Proper attention should be given to monitoring the pH levels and other chemical characteristics of the environment to identify any potential issues or required maintenance. Consulting with experts or engineers in the field can provide valuable insights and guidance in selecting the most appropriate materials for specific acidic or alkaline environments.

Q: What is the difference between ductile iron and cast iron pipes?: Ductile iron pipes and cast iron pipes are both popular materials for plumbing systems, but they differ in composition, strength, flexibility, installation methods, and cost. 1. Composition: Ductile iron pipes are made from a type of cast iron that has been treated with trace amounts of magnesium, enhancing its flexibility and strength. In contrast, cast iron pipes are made from regular cast iron, which is less malleable and more brittle. 2. Strength: Ductile iron pipes are significantly stronger than cast iron pipes, with higher tensile strength to withstand greater internal and external pressure. This makes them ideal for applications requiring high strength, such as water mains or sewer lines. Cast iron pipes, however, are more prone to cracking or breaking under pressure. 3. Flexibility: Ductile iron pipes have greater flexibility, allowing them to withstand ground movement without damage or breakage caused by settling or shifting soil. On the other hand, cast iron pipes are more susceptible to cracking or separating when exposed to ground movement or vibrations due to their inherent brittleness. 4. Installation: Ductile iron pipes are typically joined using mechanical or flanged joints, ensuring secure and leak-proof connections. In contrast, cast iron pipes are usually joined using bell-and-spigot joints, relying on gaskets or lead caulking for a seal. The mechanical joint used in ductile iron pipes offers better resistance to movement and external forces. 5. Cost: Ductile iron pipes are generally more expensive than cast iron pipes due to the additional treatment process and higher strength. However, the added durability and longer lifespan of ductile iron pipes can offset the initial investment by reducing the need for repairs or replacements over time. In conclusion, ductile iron and cast iron pipes differ in composition, strength, flexibility, installation methods, and cost. Ductile iron pipes offer superior strength and flexibility, making them suitable for demanding applications, while cast iron pipes are more brittle and prone to breakage. The choice between the two depends on the specific requirements of the plumbing system and the available budget.

Q: How do ductile iron pipes compare to PVC pipes?: Plumbing and water distribution systems commonly utilize ductile iron pipes and PVC pipes. When comparing these materials, various factors should be taken into account. Strength and Durability: Ductile iron pipes are renowned for their exceptional strength and durability. They can withstand high pressure and heavy loads, making them suitable for underground and high-traffic areas. Conversely, PVC pipes are less sturdy and more prone to cracking under extreme conditions. However, PVC pipes have the advantage of being corrosion-resistant and do not rust, which is beneficial in certain environments. Installation and Maintenance: Ductile iron pipes are heavier and require specialized equipment and skilled labor for proper installation. In contrast, PVC pipes are lightweight and easy to handle, making installation simpler and quicker. Additionally, PVC pipes require less maintenance as they do not corrode or develop mineral deposits over time, unlike ductile iron pipes which may need regular cleaning and maintenance to prevent rust and sediment buildup. Cost: PVC pipes generally have a lower cost compared to ductile iron pipes. The lower material and installation expenses associated with PVC pipes make them a popular choice for budget-friendly residential and commercial plumbing projects. Ductile iron pipes, while offering superior strength and durability, tend to be more expensive due to the higher cost of materials, specialized installation requirements, and additional maintenance expenses. Environmental Impact: PVC pipes are made from non-renewable resources and can have a negative environmental impact during production and disposal. On the other hand, ductile iron pipes are made from recycled iron and have a longer lifespan, reducing the need for replacement and minimizing waste. However, it is important to note that PVC pipes can be recycled, and many manufacturers have implemented sustainable practices to minimize their environmental footprint. In conclusion, ductile iron pipes and PVC pipes possess distinct characteristics that make them suitable for different applications. Ductile iron pipes excel in strength and durability, making them ideal for heavy-duty applications, while PVC pipes offer cost-effectiveness, easy installation, and corrosion resistance. Ultimately, the choice between the two materials depends on the specific requirements, budget, and environmental considerations of the project.

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