DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1400

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 pc

Supply Capability:: 3000 pc/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.
Photos of loading process will be sent to the customer after shipment effect.
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 areas with high traffic loads?: Ductile iron pipe performs exceptionally well in areas with high traffic loads. Its high strength and durability make it capable of withstanding heavy loads and traffic without any significant deformation or damage.

Q:Can ductile iron pipe be used for municipal water supply?: Yes, ductile iron pipe can be used for municipal water supply. Ductile iron pipe has been widely used in municipal water supply systems for many years due to its durability, strength, and resistance to corrosion. It is well-suited for underground applications as it can withstand high pressure and heavy loads. Additionally, ductile iron pipe has a long lifespan, typically exceeding 100 years, which makes it a cost-effective choice for municipal water supply systems. Overall, ductile iron pipe is a reliable and commonly used material for ensuring the safe and efficient delivery of water to communities.

Q:How is ductile iron pipe manufactured?: Ductile iron pipe is manufactured through a specific process known as centrifugal casting. The process starts with the melting of iron in a furnace, where specific elements such as carbon and silicon are added to achieve the desired properties. Once the iron is melted, it is poured into a spinning mold or a die that is rotating at a high speed. As the molten iron is poured into the rotating mold, centrifugal force pushes the liquid metal towards the inner surface of the mold. This force causes the metal to solidify from the outer surface inward. This results in a pipe with a dense outer layer and a more porous inner layer. The centrifugal casting process ensures that the pipe's outer surface is free from impurities and defects, ensuring its strength and durability. After the pipe has solidified, it is removed from the mold and undergoes further processing. The pipe is cleaned, excess material is trimmed off, and any surface imperfections are removed. It is then treated with a protective coating, such as zinc or epoxy, to enhance its corrosion resistance. The final step in the manufacturing process is quality control and testing. Ductile iron pipes are subjected to various tests to ensure they meet the required standards, including hydrostatic pressure testing, dimensional inspection, and internal and external coating inspection. In summary, ductile iron pipe is manufactured through the centrifugal casting process, which involves melting iron, pouring it into a rotating mold, and allowing it to solidify under centrifugal force. The resulting pipe is then cleaned, coated, and undergoes rigorous quality control to ensure its strength, durability, and adherence to standards.

Q:Are ductile iron pipes suitable for high-temperature applications?: High-temperature applications are generally not suitable for ductile iron pipes. Despite their strength and durability, ductile iron has limitations in high temperatures. Ductile iron pipes usually have a maximum operating temperature of around 250-300 degrees Fahrenheit (120-150 degrees Celsius). When subjected to higher temperatures, ductile iron pipes can undergo thermal expansion, potentially causing cracks or distortions. This can compromise the pipe's structural integrity, leading to leaks or failures. Additionally, ductile iron is vulnerable to oxidation at elevated temperatures, further deteriorating its performance over time. For high-temperature applications, it is generally advisable to opt for materials specifically designed for such conditions, like stainless steel or high-temperature alloys. These materials offer superior resistance against thermal expansion, oxidation, and other factors associated with high temperatures.

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:How do ductile iron pipes handle ground movement or settlement?: Ductile iron pipes are renowned for their remarkable strength and flexibility, enabling them to effectively manage ground movement or settlement. Ground movement or settlement pertains to the natural shifts or settling of the earth's surface, which can exert stress on subterranean infrastructure such as pipes. Concerning ground movement, ductile iron pipes possess the advantage of enduring and absorbing the pressure and movement caused by shifting soil. The material's ductility permits the pipes to flex and bend to a certain extent without fracturing. This flexibility aids in distributing the load and minimizing the potential for harm. Additionally, ductile iron pipes exhibit high resistance to cracking or fracturing, even under extreme circumstances. This resilience stems from the material's unique microstructure, which imparts excellent tensile strength and impact resistance. Consequently, ductile iron pipes can withstand external forces and ground settlement without compromising their integrity. To further augment their capacity to handle ground movement or settlement, ductile iron pipes are frequently installed using flexible joints. These joints allow for slight movement and accommodate any shifting or settling of the ground. Furthermore, proper bedding and backfilling techniques are employed during installation to provide added support and stability. Overall, ductile iron pipes possess a proven track record in managing ground movement or settlement. Their strength, flexibility, and resistance to cracking establish them as a dependable choice for subterranean infrastructure, ensuring the durability and efficiency of water distribution systems.

Q:Are ductile iron pipes suitable for industrial applications?: Yes, ductile iron pipes are highly suitable for industrial applications. Ductile iron is a strong and durable material that possesses excellent mechanical properties, making it ideal for handling high-pressure and heavy-duty applications. The pipes have a high tensile strength and can withstand extreme conditions, including high temperatures and corrosive environments. Furthermore, ductile iron pipes have superior resistance to cracking and fracturing, ensuring a longer lifespan and reduced maintenance costs. They are also highly resistant to external loads, making them suitable for underground installations and industrial settings where they may be subjected to heavy loads or vibrations. Moreover, ductile iron pipes have excellent flow characteristics due to their smooth interior surface, allowing for efficient fluid transportation in industrial systems. They also have good resistance to wear and abrasion, ensuring a consistent flow rate over time. Additionally, ductile iron pipes are versatile and can be used in various industrial applications such as water supply, wastewater treatment, industrial processes, and mining operations. They are available in a wide range of sizes to accommodate different requirements and can be easily connected using various jointing methods. Overall, ductile iron pipes offer the reliability, strength, and longevity required for industrial applications, making them a suitable choice for industries where durability and performance are crucial.

Q:Will the cast iron pipes rust?: Qualified ductile iron pipes can be used for more than a hundred years. The main place where rust is easily exposed is where the outer wall meets the soil because of its high humidity and high oxygen content. Qualified anticorrosion can effectively resist rust, its process principle can not give you the details. Although the wall has a long flow of water, but oxygen scarce, compared with the outer wall is not easy to corrosion, but there is cement lining is necessary.

Q:What are the common methods for flow control in ductile iron pipes?: Ductile iron pipes offer various options for flow control. Among them, valves are commonly used. Valves enable the regulation of water or other fluids flowing through the pipes. They can be either manually operated or automated, depending on the system's specific needs. Flow restrictors or flow limiters represent another method for controlling flow in ductile iron pipes. These devices are installed in the pipes to reduce the flow rate and ensure that the system operates within its intended parameters. Flow restrictors are particularly beneficial in situations where flow control is necessary to prevent damage or optimize system efficiency. Pressure regulators also contribute to flow control in ductile iron pipes. By maintaining a specific pressure level within the system, these devices help prevent excessive pressure that can lead to pipe bursts or other forms of damage. Furthermore, pressure regulators aid in maintaining a consistent pressure throughout the system, ensuring predictable and controlled flow. Flow meters provide yet another means of achieving flow control. These devices are installed in the pipes to measure the rate at which fluid passes through them. By monitoring the flow rate, operators can adjust valves or other flow control devices to maintain flow within the desired range. Flow meters are especially valuable in applications where accurate flow measurement is critical, such as industrial processes or water distribution systems. In conclusion, flow control in ductile iron pipes can be achieved through the use of valves, flow restrictors, pressure regulators, and flow meters. These methods can be combined or used individually, depending on the specific requirements of the system.

Q:Do ductile iron pipes have inner enamel?: For fire water and living water supply, low requirement is lined with cement mortar, some high can be lined with epoxy resin, epoxy ceramic lining, as well as cement mortar lining epoxy sealing layer (compromise is the price of blame).

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