DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN250

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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 high-temperature environments?: Ductile iron pipe performs exceptionally well in high-temperature environments due to its unique properties and characteristics. The material is known for its high strength, toughness, and durability, making it suitable for various applications including those involving elevated temperatures. One of the key advantages of ductile iron pipe in high-temperature environments is its ability to withstand thermal expansion and contraction. The material has a low coefficient of thermal expansion, which means it can handle significant temperature fluctuations without experiencing detrimental effects. This property ensures that the pipe remains structurally stable and does not deform or crack when exposed to high temperatures. Additionally, ductile iron pipe has excellent thermal conductivity. This property allows the pipe to efficiently transfer heat, preventing the build-up of excessive heat and reducing the risk of thermal stress. The high thermal conductivity of ductile iron also enables it to dissipate heat quickly, ensuring that the pipe remains within safe operating temperatures. Furthermore, ductile iron pipe has a high melting point, typically around 2200°F (1200°C). This characteristic ensures that the pipe retains its structural integrity even in extremely high-temperature environments. It can effectively handle hot fluids, steam, and other high-temperature substances without compromising its performance. Another crucial aspect is the corrosion resistance of ductile iron pipe. It is commonly coated with protective linings, such as cement mortar or epoxy, which provide an additional layer of defense against corrosion caused by high temperatures. These linings act as a barrier, preventing the pipe from coming into direct contact with corrosive substances and maintaining its longevity in high-temperature environments. In summary, ductile iron pipe is an excellent choice for high-temperature environments due to its exceptional strength, thermal stability, thermal conductivity, and corrosion resistance. Its ability to withstand thermal expansion, its high melting point, and its efficient heat transfer properties make it a reliable and durable option for various applications in such conditions.

Q: Are ductile iron pipes susceptible to external loading or pressure?: Yes, ductile iron pipes are susceptible to external loading or pressure. Like any other material, ductile iron pipes have a certain amount of strength and tolerance to withstand external forces. However, excessive external loading or pressure can cause deformation or failure of the pipes. It is important to ensure that ductile iron pipes are installed and supported properly to prevent any damage due to external loading. Additionally, the design and engineering of the pipeline system should take into consideration the anticipated external loading and pressure to ensure the pipes can effectively handle the expected conditions. Regular inspections and maintenance are also crucial to identify and address any issues related to external loading or pressure that may arise over time.

Q: What is the expected fire resistance of ductile iron pipes?: The fire resistance of ductile iron pipes can vary based on factors such as pipe wall thickness, installation quality, and surrounding conditions. However, in general, ductile iron pipes exhibit high fire resistance due to their durable and heat-resistant composition. Ductile iron is created by adding a small amount of magnesium to cast iron, which enhances its strength and flexibility. This results in ductile iron pipes being less prone to cracking or breaking under high temperatures compared to materials like PVC or HDPE pipes. Regarding fire resistance, ductile iron pipes can endure high temperatures for a prolonged period without significant structural damage. They have undergone testing and have been proven to maintain their integrity in fire situations for 2-4 hours, depending on the specific pipe design and installation. It is important to note that while ductile iron pipes possess high fire resistance, they are not fireproof. In the event of a fire, it is vital to adhere to proper fire safety procedures and seek advice from professionals to ensure the safety of the system and surrounding infrastructure.

Q: Can ductile iron pipe be used for geothermal heat exchange systems?: Yes, ductile iron pipe can be used for geothermal heat exchange systems. Ductile iron pipe is known for its strength and durability, which makes it suitable for handling the high temperatures and pressures associated with geothermal heat exchange systems. Additionally, ductile iron pipe has excellent corrosion resistance, which is important in geothermal systems where minerals and chemicals in the ground can cause corrosion. Ductile iron pipe also has good thermal conductivity, allowing for efficient heat transfer in geothermal systems. Overall, ductile iron pipe is a reliable and cost-effective choice for geothermal heat exchange systems.

Q: Are ductile iron pipes suitable for use in industrial applications?: Yes, ductile iron pipes are suitable for use in industrial applications. Ductile iron pipes are known for their high strength and durability, making them ideal for handling the demands of industrial environments. They are resistant to corrosion and can withstand high pressures and temperatures. Additionally, ductile iron pipes have excellent impact resistance, making them suitable for use in areas with heavy traffic or potential for mechanical damage. Their flexibility allows them to absorb vibrations and shocks, further enhancing their suitability for industrial applications. Overall, ductile iron pipes are a reliable and cost-effective choice for various industrial sectors such as water and wastewater treatment, mining, power generation, and chemical plants.

Q: Can ductile iron pipes be used for underground geothermal systems?: Yes, ductile iron pipes can be used for underground geothermal systems. Ductile iron is known for its strength and durability, making it a suitable choice for underground applications. Additionally, it has good corrosion resistance, which is essential in geothermal environments where water and soil conditions can be aggressive.

Q: How does ductile iron pipe perform in areas with high groundwater contamination?: Ductile iron pipe is known for its durability and resistance to corrosion, making it a suitable choice for areas with high groundwater contamination. The pipe's protective lining and coating prevent the groundwater from coming into direct contact with the iron, thereby minimizing the risk of corrosion and deterioration. Additionally, ductile iron pipe has the ability to withstand external pressures, making it less susceptible to damage caused by shifting soils or groundwater movement. This characteristic is especially beneficial in areas with high groundwater contamination, as the pipe can maintain its structural integrity and prevent leaks or bursts. Furthermore, ductile iron pipe has a long service life, which reduces the need for frequent replacements and minimizes the potential for groundwater contamination caused by pipe failures. Overall, ductile iron pipe performs exceptionally well in areas with high groundwater contamination, providing a reliable and durable solution for transporting water or wastewater while ensuring the protection of the surrounding environment.

Q: If the ductile iron pipe is broken, can we use rush repair?: These specifications are also based on the outer diameter of the tube. In daily life, we may also encounter a pipeline rupture, or when it is on the road to repair, excavator accidentally hit PE, PPR water supply and drainage pipeline, as long as a little, can be used to repair the pipeline repair section.

Q: Is there any cast iron pipe used in the fire hose?: I do not know, are generally seamless steel pipe or spiral pipe, straight seam pipe.

Q: Can ductile iron pipe be used for underground applications?: Indeed, underground applications can employ ductile iron pipe. Renowned for its robustness and endurance, ductile iron pipe proves to be well-suited for a multitude of underground uses, including water and sewage systems, gas pipelines, and irrigation systems. Its exceptional resistance to corrosion and external burdens renders it a dependable selection for underground installations, where sustained functionality and structural soundness are pivotal considerations. Moreover, ductile iron pipe's pliability enables it to endure ground shifting and settling sans fracturing or shattering, making it an apt choice for regions susceptible to seismic occurrences.

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