DUCTILE IRON PIPES AND PIPE FITTINGS K8CLASS DN200

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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:Are ductile iron pipes suitable for irrigation systems?: Yes, ductile iron pipes are suitable for irrigation systems. They are known for their strength, durability, and corrosion resistance, making them a reliable choice for transporting water in agricultural settings. Additionally, ductile iron pipes can withstand high pressure and are resistant to external loadings, making them ideal for irrigation systems that require efficient water distribution.

Q:What is the expected joint tightness for ductile iron pipes?: The expected joint tightness for ductile iron pipes is typically high. Ductile iron pipes are known for their strong and durable nature, making them highly resistant to leaks and joint failures. The joints in ductile iron pipes are usually designed to provide a secure and tight connection, ensuring minimal water or fluid loss. Various joint types are commonly used for ductile iron pipes, including mechanical joints, restrained joints, and push-on joints. Each of these joint types is designed to provide a reliable seal and prevent any leakage. Mechanical joints use a mechanical gland and rubber gaskets to create a tight seal. These joints require a certain level of torque during assembly to ensure proper compression and sealing. Restrained joints, on the other hand, are specifically designed to withstand external forces, such as soil movement or pressure, and maintain their tightness. These joints typically use a mechanical restraint system, such as a key-locking mechanism, to prevent joint separation. Push-on joints are the easiest to install and provide a secure seal by utilizing a rubber gasket that is compressed when the pipes are pushed together. These joints are commonly used in smaller diameter pipes where the external forces are minimal. Overall, ductile iron pipes are expected to have a high level of joint tightness, ensuring reliable and leak-free performance in various applications, including water distribution, wastewater systems, and industrial piping networks.

Q:Can ductile iron pipes be used for underground parking lot drainage?: Yes, ductile iron pipes can be used for underground parking lot drainage. Ductile iron is a strong and durable material that is commonly used for underground piping systems. It has excellent resistance to corrosion, making it suitable for applications where the pipes will be exposed to moisture and water. Additionally, ductile iron pipes have high tensile strength, which allows them to handle heavy loads and withstand the pressure exerted by vehicles in a parking lot. Therefore, using ductile iron pipes for underground parking lot drainage is a reliable and long-lasting solution.

Q:How do ductile iron pipes perform in freeze-thaw cycles?: Ductile iron pipes demonstrate exceptional performance in freeze-thaw cycles due to their material properties. With high tensile strength and excellent impact resistance, ductile iron is highly resistant to the stresses caused by freezing and thawing. Unlike other materials, these pipes can withstand the expansion and contraction during temperature changes without cracking or breaking. One of the primary reasons for the success of ductile iron pipes in freeze-thaw conditions is their capacity to absorb and dissipate stresses. The material's high ductility allows for slight deformation under stress, releasing pressure and preventing pipe damage. This characteristic ensures that the pipes can endure repeated freezing and thawing cycles without compromising their structural integrity. Furthermore, ductile iron pipes feature a durable and protective coating, such as cement mortar lining or polyethylene encasement, which further enhances their resistance to freeze-thaw cycles. These coatings offer an extra layer of protection, preventing direct contact between water and the iron and reducing the risk of corrosion. Moreover, ductile iron pipes have an extended service life, often exceeding 100 years, thanks to their inherent strength and resistance to various environmental factors, including freeze-thaw cycles. The pipes' ability to endure these cycles without significant damage ensures the reliability and durability of water distribution systems, even in regions prone to freezing temperatures. In conclusion, ductile iron pipes are highly dependable and excel in freeze-thaw cycles. Their high tensile strength, impact resistance, capacity to absorb stresses, and protective coatings make them the preferred choice for water distribution systems in areas with harsh winter conditions.

Q:Are ductile iron pipes suitable for tunneling projects?: Ductile iron pipes are well-suited for tunneling projects due to their strength, durability, and flexibility. With their ability to endure high pressure and heavy loads, they are an excellent choice for underground tunnels. These pipes are also highly resistant to corrosion, which is vital in moist and chemical-laden underground environments. Furthermore, their installation and maintenance are relatively simple, making them a cost-effective option for tunneling endeavors. In summary, ductile iron pipes possess the essential characteristics needed for tunneling projects, making them a fitting selection for these 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:Can ductile iron pipes be used for underground river crossings?: Yes, ductile iron pipes can be used for underground river crossings. Ductile iron pipes have excellent strength and durability, making them suitable for various applications, including underground river crossings. They have high tensile strength and are resistant to corrosion and external loads, making them an ideal choice for such installations.

Q:How much is the installation cost of the ductile iron tube?: Ductile iron pipes mainly called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..

Q:How do ductile iron pipes handle ground movement in earthquake-prone areas?: In earthquake-prone areas, ductile iron pipes are highly regarded for their exceptional resistance to ground movement. These pipes are specifically designed to endure external forces, including seismic activities and shifting ground. The remarkable flexibility of ductile iron pipes allows them to effectively absorb and distribute the energy generated during ground movement. This flexibility is achieved through the unique composition of ductile iron, which contains nodular graphite in its microstructure. The presence of nodular graphite grants the pipe with ductility and resilience, enabling it to deform under stress without breaking. During an earthquake, when the ground begins to shift, ductile iron pipes have the capacity to adapt to the changing conditions. They can elongate, compress, and bend, thereby reducing the likelihood of pipe failure. This characteristic is of utmost importance in earthquake-prone areas, as it helps prevent catastrophic failures and water loss that may occur with more rigid pipe materials. Furthermore, ductile iron pipes possess a high level of joint integrity, further enhancing their ability to withstand ground movement during seismic events. The joints of these pipes are engineered to withstand lateral and angular movement, ensuring their integrity and preventing leaks. In addition to their inherent flexibility, ductile iron pipes are often installed using techniques that enhance their resistance to ground movement. Anchoring systems, such as thrust blocks and restraints, can be employed to secure the pipes and prevent excessive movement. These systems contribute to the stability of the pipeline network and further minimize the potential for damage during earthquakes. Overall, the combination of ductility, joint integrity, and anchoring systems make ductile iron pipes an exceedingly reliable choice for managing ground movement in earthquake-prone areas. They offer a durable and resilient solution that can withstand the challenges posed by seismic activities, guaranteeing a continuous water supply and minimizing the risk of infrastructure damage.

Q:What are the different methods for repairing ductile iron pipe?: There are several methods available for repairing ductile iron pipes, depending on the extent and location of the damage. One common method is the use of repair clamps or couplings. These are designed to provide a temporary or permanent solution for leaks or cracks in the pipe. Repair clamps are typically made of stainless steel and are fitted around the damaged area, sealing it off and preventing further leakage. Another method is the use of epoxy lining or patching. This involves applying a specialized epoxy material to the inside of the pipe, which forms a protective barrier over the damaged area. This method is often used for smaller cracks or leaks and can provide a long-lasting solution. For more extensive damage, such as large cracks or fractures, the damaged section of the pipe may need to be cut out and replaced. This process typically involves excavating the area around the damaged pipe, removing the damaged section, and installing a new piece of ductile iron pipe. In some cases, trenchless repair methods may be used. This involves using advanced techniques such as pipe bursting or cured-in-place pipe lining to repair the pipe without the need for extensive excavation. These methods can be more cost-effective and less disruptive compared to traditional repair methods. It is important to note that the specific method chosen for repairing ductile iron pipes will depend on factors such as the extent of the damage, the location of the pipe, and the available resources and expertise. Consulting with a professional pipe repair service is recommended to determine the most suitable method for a specific repair situation.

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