DUCTILE IRON PIPE AND PIPE FITTINGS C CLASS DN500

DUCTILE IRON PIPE AND PIPE FITTINGS C CLASS DN500

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 23 m.t.

Supply Capability:: 3000 m.t./month

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· Material : Ductile Cast Iron

· Size Range : DN 80mm to DN 2000mm

· Unit Effective Length : 6m or 5.7m

· Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007

· Annual capacity : 200,000 tons

· Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.

· Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179

· Special requirements on external coating and internal lining can be applied

· We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q: How does ductile iron pipe perform in seismic conditions?: Ductile iron pipe has excellent performance in seismic conditions due to its inherent flexibility and strength. It can withstand ground movements and vibrations caused by earthquakes without fracturing or breaking. Its ability to absorb and dissipate energy helps prevent catastrophic failures and ensures the integrity of the pipeline system. Additionally, ductile iron pipe's corrosion resistance and durability make it a reliable choice for long-term performance in seismic-prone areas.

Q: How do ductile iron pipes handle water velocity?: Due to their unique mechanical properties, ductile iron pipes are well-suited for managing water velocity. Ductile iron, being a highly durable and strong material, can endure high water velocities without significant damage or deformation. The inherent ductility of the pipe enables it to absorb the energy generated by the flowing water, effectively reducing the risk of pipe failure or bursting. This characteristic makes ductile iron pipes suitable for handling high-pressure water flow, making them an ideal choice in situations where water velocity is a concern. Furthermore, the smooth internal surface of ductile iron pipes promotes efficient water flow and minimizes friction losses. This smoothness reduces resistance encountered by the water as it moves through the pipe, allowing for higher water velocities without compromising the pipe's integrity. Moreover, ductile iron pipes can be manufactured in various sizes and thicknesses, providing customization options based on specific water velocity requirements. This flexibility ensures that ductile iron pipes can effectively manage a wide range of water velocities, from low-flow applications to high-velocity scenarios. In conclusion, ductile iron pipes possess exceptional capabilities when it comes to handling water velocity. Their strength, ductility, and smooth internal surface contribute to their ability to withstand high water velocities without compromising their structural integrity, making them a dependable choice for water distribution systems.

Q: What are the common methods for leak detection in ductile iron pipes?: Some common methods for leak detection in ductile iron pipes include visual inspection, acoustic leak detection, pressure testing, and tracer gas leak detection. Visual inspection involves physically inspecting the pipes for any visible signs of leaks, such as water stains or wet spots. Acoustic leak detection uses specialized equipment to listen for sounds of leaking water within the pipes. Pressure testing involves pressurizing the pipes to a certain level and checking for any drop in pressure, which could indicate a leak. Tracer gas leak detection involves injecting a gas, such as helium or hydrogen, into the pipes and using a gas detector to locate any escaping gas, which would indicate a leak.

Q: How are ductile iron pipes repaired if they get damaged?: There are several methods available for repairing ductile iron pipes, each dependent on the severity of the damage. Below are some commonly used techniques: 1. Spot Repair: When the damage is minimal and localized, a spot repair can be performed. This involves removing the damaged section of the pipe and replacing it with a new one. The new section is typically connected to the existing pipe using mechanical couplings or flanged connections. 2. Pipe Lining: If the damage is more extensive but the pipe remains structurally sound, pipe lining is a suitable option. This method entails inserting a liner into the damaged pipe, creating a new smooth surface. Various materials like epoxy or cured-in-place pipe (CIPP) can be used as liners. The advantage of this technique is that it eliminates the need for excavation and complete replacement of the pipe. 3. Pipe Bursting: In situations where the pipes are severely damaged or deteriorated, pipe bursting may be the most optimal solution. This process involves pulling a new pipe through the damaged one, simultaneously fracturing the old pipe and substituting it with a new one. Pipe bursting is typically employed when the existing pipe is irreparable and necessitates complete replacement. 4. Welding and Patching: In certain cases, small leaks or cracks in ductile iron pipes can be rectified through welding or patching. Welding involves melting and fusing the metal to seal the damaged area. Patching, on the other hand, involves applying a specialized epoxy or composite material over the affected section to create a watertight seal. It is essential to consider factors such as the extent of the damage, accessibility to the pipe, and the proficiency of the repair crew when selecting the appropriate repair method. Regardless of the technique chosen, a thorough assessment, meticulous planning, and skillful execution are necessary to ensure a successful and long-lasting repair.

Q: Are ductile iron pipes suitable for use in industrial applications?: Ductile iron pipes possess the necessary qualities to be used in industrial settings. They are renowned for their robustness and durability, which renders them perfect for handling the rigorous demands of industrial environments. Moreover, these pipes are resistant to corrosion and can endure high pressures and temperatures. Additionally, they exhibit exceptional resistance to impact, thus making them appropriate for areas with heavy traffic or potential mechanical damage. Furthermore, their flexibility allows them to absorb vibrations and shocks, thereby further enhancing their suitability for industrial usage. Consequently, ductile iron pipes are a dependable and cost-efficient option for various industrial sectors, including water and wastewater treatment, mining, power generation, and chemical plants.

Q: Are ductile iron pipes suitable for bridge piers or abutments?: Yes, ductile iron pipes are suitable for bridge piers or abutments. Ductile iron is a strong and durable material that is widely used in various infrastructure projects, including bridges. It has excellent mechanical properties, including high tensile strength and impact resistance, making it capable of withstanding heavy loads and external forces. Additionally, ductile iron pipes are highly resistant to corrosion and have a long service life, which is crucial for structures like bridge piers or abutments that are exposed to harsh environmental conditions. The versatility and reliability of ductile iron pipes make them a suitable choice for supporting and reinforcing bridge structures, ensuring their safety and longevity.

Q: What is the difference between ductile iron and cast iron pipes?: Ductile iron and cast iron pipes are both popular materials used in plumbing systems, but they have distinct differences in terms of composition, strength, and flexibility. 1. Composition: Ductile iron pipes are made from ductile iron, which is a type of cast iron that has been treated with trace amounts of magnesium to enhance its flexibility and strength. On the other hand, cast iron pipes are made from regular cast iron, which is more brittle and less malleable. 2. Strength: Ductile iron pipes are significantly stronger than cast iron pipes. Ductile iron has a higher tensile strength, meaning it can withstand higher levels of internal and external pressure. This makes it more suitable for applications where high strength is required, such as water mains or sewer lines. Cast iron pipes, on the other hand, are more prone to cracking or breaking under pressure. 3. Flexibility: Ductile iron pipes have greater flexibility compared to cast iron pipes. This flexibility allows them to withstand ground movement, making them less susceptible to damage or breakage caused by settling or shifting soil. Cast iron pipes, due to their inherent brittleness, are more likely to crack or separate when exposed to ground movement or vibrations. 4. Installation: Ductile iron pipes are typically joined using a mechanical joint or flanged joint, which provides a secure and leak-proof connection. On the other hand, cast iron pipes are usually joined using a bell-and-spigot joint, which relies on gaskets or lead caulking to create 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. The additional treatment process and higher strength of ductile iron contribute to the increased cost. However, the added durability and longer lifespan of ductile iron pipes can offset the initial investment, as they may require fewer repairs or replacements over time. In summary, the main differences between ductile iron and cast iron pipes lie in their composition, strength, flexibility, installation methods, and cost. Ductile iron pipes offer superior strength and flexibility, making them more suitable for demanding applications, while cast iron pipes are more brittle and prone to breakage. Ultimately, the choice between the two depends on the specific requirements of the plumbing system and the available budget.

Q: What are the different sizes available for ductile iron pipe?: Ductile iron pipes are available in a wide range of sizes to cater to various applications in the water and wastewater industry. The sizes of ductile iron pipes typically range from 3 inches to 64 inches in diameter. The most commonly used sizes include 4 inches, 6 inches, 8 inches, 10 inches, 12 inches, 16 inches, 20 inches, 24 inches, 30 inches, and 36 inches. However, ductile iron pipes can also be manufactured in larger sizes depending on specific project requirements. These different sizes allow for flexibility in designing and constructing water distribution systems, sewage networks, and other infrastructure projects. The selection of the appropriate size depends on factors such as the volume of flow, pressure requirements, and the distance the pipe needs to cover. It is worth mentioning that the size of a ductile iron pipe refers to its internal diameter, also known as the nominal bore. The actual outside diameter of the pipe may vary slightly depending on the manufacturer and the specific dimensions provided. When choosing a size for ductile iron pipes, it is essential to consider factors such as hydraulic capacity, installation requirements, and the compatibility with other pipeline components. Consulting with engineers and industry experts is advisable to ensure the correct size selection for each specific application.

Q: Can ductile iron pipes be used in areas with high soil acidity and alkalinity?: Ductile iron pipes can generally be used in areas with high soil acidity and alkalinity. However, it is important to consider the specific conditions and take appropriate measures to mitigate the potential effects of these soil characteristics on the pipes. In areas with high soil acidity, the acidic conditions can promote corrosion of metal pipes, including ductile iron. To prevent this, protective measures such as applying an external coating or using cathodic protection can be implemented. These measures help to create a barrier between the pipe and the corrosive environment, extending the longevity of the pipes. Similarly, in areas with high soil alkalinity, the alkaline conditions can also have an impact on the performance of ductile iron pipes. Alkaline soils can cause the formation of calcium carbonate deposits, commonly known as scale, which can reduce the flow capacity of the pipes over time. Regular maintenance and cleaning of the pipes can help mitigate the effects of scale buildup. It is worth noting that the suitability of ductile iron pipes in areas with high soil acidity and alkalinity may also depend on the specific grade and quality of the pipes. Manufacturers often provide guidelines and recommendations regarding the use of their products in various environmental conditions. It is advisable to consult with pipe manufacturers or industry experts to ensure proper selection and installation of ductile iron pipes in such areas.

Q: Can ductile iron pipes be used for pressure surge applications?: Ductile iron pipes are suitable for pressure surge applications. Their excellent strength and durability enable them to handle surge pressures caused by sudden flow rate changes or water hammer events. These pipes can withstand high internal pressures and are highly resistant to impact and fatigue. Moreover, their smooth interior surface facilitates efficient fluid flow, minimizing the risk of pressure surges. However, it is essential to consider factors such as pipe size, wall thickness, and proper installation techniques to ensure safe handling of specific pressure surge conditions. Consulting a professional engineer or pipe manufacturer is advised to assess the suitability of ductile iron pipes for pressure surge applications.

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