DUCTILE IRON PIPES AND PIPE FITTINGS k9 CLASS DN80

DUCTILE IRON PIPES AND PIPE FITTINGS k9 CLASS DN80

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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:Can ductile iron pipes be used for stormwater management systems?: Yes, ductile iron pipes can be used for stormwater management systems. Ductile iron pipes are known for their strength and durability, making them suitable for various applications including stormwater management. These pipes are resistant to corrosion and can withstand high pressure, making them ideal for carrying stormwater runoff. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and maintenance. Overall, ductile iron pipes are a reliable choice for stormwater management systems.

Q:What are the advantages of cast iron pipes?: The cast iron pipe has good sealing performance and is not easy to leak. It can reduce the leakage rate of the pipe network and reduce the daily maintenance cost of the pipe network

Q:How are ductile iron pipes manufactured?: Ductile iron pipes are manufactured through a process known as centrifugal casting, which involves the use of a spinning mold. The process begins with the selection and preparation of high-quality ductile iron, which is a type of cast iron that contains small amounts of magnesium to enhance its strength and ductility. First, the ductile iron is melted in a furnace at extremely high temperatures. Once the molten iron reaches the desired temperature, it is poured into a spinning mold. The spinning mold is designed in the shape of a pipe, and it rotates at a high speed to distribute the molten iron evenly along its inner surface. As the mold spins, the molten iron cools and solidifies against the mold walls. This rapid cooling results in a fine-grained structure and enhances the mechanical properties of the pipe, such as its strength and durability. The spinning mold continues to rotate until the pipe has completely solidified, which typically takes a few minutes. After solidification, the pipe is removed from the mold, and excess material, known as the "skin," is removed. The skin is typically removed by machining or grinding to achieve the desired dimensions and surface finish. Next, the pipe undergoes heat treatment to further enhance its mechanical properties and reduce internal stresses. Once the heat treatment is completed, the pipe is thoroughly inspected for any defects or imperfections. This includes visual inspections, non-destructive testing methods, and pressure testing to ensure the pipe meets the required specifications and standards. If any defects are detected, the pipe may be repaired or rejected depending on the severity of the issue. Finally, the pipes are coated with a protective layer to prevent corrosion and enhance their longevity. This coating can be applied through various methods, such as cement mortar lining, epoxy coating, or zinc coating. Overall, the manufacturing process of ductile iron pipes involves melting the iron, centrifugal casting, cooling, skin removal, heat treatment, inspection, and coating. This process ensures the production of high-quality pipes that possess excellent strength, durability, and resistance to corrosion.

Q:Why is the cast iron tube lined with cement? Under what circumstances are ductile iron pipes lined with cement, and under what circumstances do not have to be lined with cement?: Cement lining to protect water quality, reduce loss, improve the service life of the pipeline ductile, ductile iron pipes are generally lined, which the en545 standard specifies the quality of what kind of what kind of cement.

Q:Can ductile iron pipes be used for trenchless installations?: Yes, ductile iron pipes can be used for trenchless installations. Trenchless technology allows for the installation, repair, or replacement of underground infrastructure without the need for extensive excavation. Ductile iron pipes, known for their strength and durability, are suitable for various trenchless methods such as horizontal directional drilling (HDD), pipe bursting, and slip lining. These methods minimize disruption to the surrounding environment and reduce costs compared to traditional open-cut trenching.

Q:How does ductile iron pipe handle ground movement and settlement?: Ductile iron pipe is known for its excellent ability to handle ground movement and settlement. Due to its inherent strength and flexibility, it can withstand significant ground shifts without experiencing major damage or failure. One of the key features of ductile iron pipe is its high tensile strength, which allows it to withstand external forces and pressures. This strength enables the pipe to resist the effects of ground movement, such as soil settlement, subsidence, or shifting due to seismic activity. Moreover, ductile iron pipe has inherent flexibility, which allows it to absorb and distribute stress caused by ground movement. The pipe's flexibility helps to minimize the impact of settlement by allowing it to adjust and adapt to changes in the surrounding soil. This characteristic helps prevent the pipe from cracking, breaking, or leaking when the ground shifts or settles. Additionally, ductile iron pipes are often installed with flexible joints, such as push-on or mechanical joints, which further enhance their ability to accommodate ground movement. These joints provide a degree of flexibility and movement, allowing the pipe to adjust to changes in the soil without experiencing stress concentrations or structural failure. Furthermore, ductile iron pipe is highly resistant to corrosion, which is another important factor in its ability to handle ground movement and settlement. Corrosion can weaken pipes and make them more susceptible to damage during ground shifts. However, the corrosion-resistant properties of ductile iron help maintain the pipe's structural integrity and durability, even in challenging soil conditions. In summary, ductile iron pipe is well-suited to handle ground movement and settlement due to its high tensile strength, flexibility, and corrosion resistance. These properties allow the pipe to withstand external forces and adapt to changes in the surrounding soil, minimizing the risk of damage, leaks, or failure.

Q:How do ductile iron pipes handle thermal expansion and contraction?: Ductile iron pipes are specifically designed to handle thermal expansion and contraction effectively. Due to their unique composition and structure, which includes graphite nodules in the iron matrix, these pipes have the ability to accommodate temperature variations without significant damage or distortion. The graphite nodules act as flexible joints, allowing the pipe to expand and contract without cracking or breaking. This characteristic makes ductile iron pipes highly resistant to the stresses caused by thermal fluctuations, ensuring their long-term durability in various temperature environments.

Q:How much is the installation cost of the ductile iron tube?: 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 inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q:How does ductile iron pipe perform in sandy or unstable soils?: Ductile iron pipe performs exceptionally well in sandy or unstable soils due to its inherent strength and flexibility. The composition of ductile iron, which includes a combination of iron, carbon, and small amounts of other elements, gives it superior mechanical properties compared to other types of pipes. In sandy soils, where there is a risk of pipe movement and deformation due to shifting ground, ductile iron's high tensile strength and elongation characteristics allow it to withstand the pressure and stress without fracturing or breaking. Its flexibility enables it to accommodate the movement and settlement of the surrounding soil, reducing the risk of pipe failure. Moreover, ductile iron pipe's resistance to corrosion makes it highly suitable for installation in sandy soils. The protective lining and coatings applied to the interior and exterior of the pipe prevent the soil's corrosive elements from attacking the iron, ensuring long-term durability and reliability. In unstable soils with varying compaction levels or weak load-bearing capacity, ductile iron pipe's sturdy construction provides stability and support. Its robustness allows it to distribute the loads evenly, minimizing the risk of pipe deflection or collapse. Additionally, ductile iron pipe's joint design and sealing methods, such as push-on joints or mechanical joints with rubber gaskets, offer excellent leak resistance and prevent soil infiltration, further enhancing its performance in sandy or unstable soils. Overall, ductile iron pipe's combination of strength, flexibility, corrosion resistance, and reliable joint systems make it an ideal choice for applications in sandy or unstable soils, providing a long-lasting and efficient solution for water and wastewater transmission.

Q:Are ductile iron pipes suitable for installation in areas with high traffic loads?: Yes, ductile iron pipes are suitable for installation in areas with high traffic loads. Due to their inherent strength and durability, ductile iron pipes can withstand heavy loads and are commonly used in applications where there is significant vehicular traffic.

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