DUCTILE IRON PIPES & PIPE FITTINGS K9 CLASS DN125

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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:Is there a kind of pipe called lined ductile iron pipe? Seeking manufacturers?: The 10kg pressure ball tube is also used as a drain, and the second is the W ductile iron pipe, i.e., without spigot, ductile tube, or lined ductile iron tube.

Q:Do ductile iron pipes require internal linings or coatings?: Ductile iron pipes do not typically require internal linings or coatings. Ductile iron is known for its inherent corrosion resistance, which is primarily due to its composition and microstructure. The iron in ductile iron pipes is treated with magnesium, resulting in the formation of graphite nodules that give the material its ductile properties. This microstructure also provides a protective layer on the surface of the pipe, which helps to prevent corrosion. Additionally, ductile iron pipes have been used for several decades without the need for internal linings or coatings, proving their durability and resistance to corrosion. The smooth interior surface of ductile iron pipes also helps to minimize friction and maintain efficient flow rates. However, in certain cases where the conveyed fluid is highly corrosive or abrasive, or if the water quality is aggressive, internal linings or coatings may be recommended. These linings or coatings can be applied to protect the pipe from chemical attack or to prevent the leaching of iron into the water supply. Ultimately, the decision to use internal linings or coatings on ductile iron pipes depends on various factors such as the specific application, water quality, and local regulations. Consulting with professionals in the field, such as engineers or pipe manufacturers, can provide more tailored advice for specific scenarios.

Q:Can ductile iron pipes be used for offshore oil and gas installations?: Yes, ductile iron pipes can be used for offshore oil and gas installations. Ductile iron is a type of cast iron that offers excellent strength and durability, making it suitable for various applications including offshore environments. These pipes have high tensile strength and are resistant to corrosion, making them ideal for transporting oil and gas in harsh offshore conditions. Ductile iron pipes are often used for subsea pipelines, risers, and flowlines due to their ability to withstand high pressures and resist external forces such as waves, currents, and impacts. They are also capable of handling the high temperatures and pressures associated with offshore oil and gas production. Furthermore, ductile iron pipes have a long service life and require minimal maintenance, reducing the overall operating costs for offshore installations. They are also readily available and cost-effective compared to other materials such as steel. However, it is important to consider factors such as the specific requirements of the project, environmental conditions, and the compatibility of ductile iron with other materials used in the offshore installation. Proper engineering analysis and design considerations should be undertaken to ensure the suitability and safety of ductile iron pipes for offshore oil and gas installations.

Q:Is ductile iron pipe breakable?: The ductile iron pipe has many uses in our city construction, for our city water supply, gas supply and so on. But ductile iron pipes are also very useful in sewage disposal. As we all know, ductile iron pipe has many excellent properties, such as high strength, corrosion resistance, high pressure resistance, low accident rate, long service life and Gao Yanshen rate. It is an excellent water supply pipe.

Q:Are ductile iron pipes suitable for deep burial installations?: Yes, ductile iron pipes are suitable for deep burial installations. Ductile iron pipes have excellent strength and durability, making them ideal for underground applications. They can withstand the pressure and weight of the soil and any potential external forces. Additionally, ductile iron pipes have a high resistance to corrosion, which is crucial for long-term performance in buried environments. Their flexibility also allows them to withstand ground movements and settle without breaking. Overall, ductile iron pipes are a reliable and cost-effective choice for deep burial installations.

Q:Are ductile iron pipes resistant to corrosion?: Yes, ductile iron pipes are resistant to corrosion. Ductile iron is a type of cast iron that has been treated with additional materials to make it more flexible and durable. These materials, such as graphite, magnesium, and cerium, create a protective barrier on the surface of the pipe, making it highly resistant to corrosion. Additionally, ductile iron pipes are often coated with a layer of cement mortar or a fusion-bonded epoxy coating, further enhancing their resistance to corrosion. This makes ductile iron pipes suitable for use in various applications, including water distribution, wastewater treatment, and industrial pipelines, where corrosion is a common concern.

Q:What is the disadvantage of nodular cast iron in excess of silicon?: Silicon has a great influence on the performance of nodular cast iron. It mainly shows that silicon can refine graphite and improve the roundness of graphite ball.

Q:How does ductile iron pipe perform in areas with high soil contamination?: Due to its inherent strength, durability, and corrosion resistance properties, ductile iron pipe is highly effective in areas with high soil contamination. The material used in manufacturing these pipes is highly resistant to chemical attack, making it suitable for handling various types of contaminated soils, including those with high levels of acids, alkalis, and other corrosive substances. The corrosion resistance of ductile iron pipes is primarily due to their protective internal and external linings. These linings are designed to prevent contact between the pipe material and the surrounding soil or fluids, acting as a barrier that prevents the penetration of corrosive elements and reduces the risk of pipe degradation or failure. Additionally, external coatings or cathodic protection systems can further enhance the resistance of ductile iron pipes to soil contamination, extending their service life. Compared to materials such as steel or concrete, ductile iron pipes offer significant advantages in areas with high soil contamination. Their high strength enables them to withstand external loads imposed by the contaminated soil, reducing the risk of structural failure or deformation. Furthermore, the inherent flexibility of ductile iron allows it to absorb ground movements or settlement without compromising its integrity, making it a reliable choice for areas prone to soil instability or shifting. Moreover, the smooth internal surface of ductile iron pipes minimizes friction and maintains efficient flow rates, even in the presence of contaminants. This is particularly important in areas with high soil contamination, where debris or sedimentation can accumulate and hinder fluid flow. The smooth bore of ductile iron pipes reduces the risk of clogging and ensures the continuous and reliable conveyance of fluids, even in challenging soil conditions. In conclusion, ductile iron pipe is an excellent choice for areas with high soil contamination. Its exceptional corrosion resistance, strength, flexibility, and smooth internal surface make it a reliable and durable solution for conveying fluids in these challenging environments.

Q:Can ductile iron pipes be used for rainwater harvesting systems?: Yes, ductile iron pipes can be used for rainwater harvesting systems. Ductile iron pipes are known for their durability and strength, making them suitable for various applications, including rainwater harvesting. These pipes are resistant to corrosion and can withstand high pressure, which is essential for transporting rainwater from the collection point to storage tanks or distribution systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and making them a cost-effective choice for rainwater harvesting systems.

Q:What are the different sizes available for ductile iron pipes?: Ductile iron pipes are available in various sizes, typically ranging from 3 inches to 64 inches in diameter.

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