DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1000

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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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Reinforcing Deformed Bar from 5.5mm to 32mm

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: Why is the sound speed of nodular cast iron lowered after heat treatment?: Sound travels faster in a solid than it does in a liquidOr so, after heating, the intermolecular repulsion decreases, so that the same potential energy conduction requires molecules to move more distances, making the transmission slower

Q: The role of chromium in nodular cast iron: In order to further understand the mechanism of chromium in ductile iron, the application of electronic scanning and other test means, from chrome crystal structure, crystallization, solidification, heat treatment transformation principle, further study on the mechanism of chromium in ductile iron.

Q: Can ductile iron pipes be used in high-temperature applications?: Yes, ductile iron pipes can be used in high-temperature applications. Ductile iron pipes have a higher melting point compared to other types of pipes such as PVC or HDPE, making them suitable for carrying fluids at elevated temperatures. The material properties of ductile iron, including its strength, toughness, and resistance to thermal stress, enable it to withstand higher temperatures without deforming or failing. However, it is important to note that the specific temperature limit for ductile iron pipes may vary depending on factors such as the grade of ductile iron used, the pressure of the fluid being carried, and the duration of exposure to high temperatures. Therefore, it is crucial to consult the manufacturer's specifications and guidelines to ensure that ductile iron pipes are appropriately selected and installed for high-temperature applications.

Q: Can ductile iron pipes be used for water tunnel crossings?: Indeed, water tunnel crossings can utilize ductile iron pipes. Renowned for their robustness, longevity, and immunity to corrosion, ductile iron pipes prove to be an ideal option for diverse purposes, including water tunnel crossings. Their ability to endure immense pressure, external burdens, and soil movements, commonly experienced in tunnel crossings, is commendable. Moreover, ductile iron pipes boast an extended lifespan and necessitate minimal upkeep, rendering them an economical resolution for water tunnel crossings.

Q: Can ductile iron pipe be used for geothermal heat exchange systems?: Indeed, geothermal heat exchange systems can utilize ductile iron pipe. Renowned for its robustness and resilience, ductile iron pipe is perfectly suited to withstand the elevated temperatures and pressures typically found in such systems. Moreover, its exceptional resistance to corrosion is of utmost importance in geothermal applications, where minerals and chemicals present in the earth can induce corrosion. Additionally, the commendable thermal conductivity of ductile iron pipe facilitates efficient heat transfer within geothermal systems. In conclusion, ductile iron pipe stands as a dependable and economical option for geothermal heat exchange systems.

Q: Can ductile iron pipes be used in areas with high levels of organic matter in soil?: Yes, ductile iron pipes can be used in areas with high levels of organic matter in soil. Ductile iron pipes are known for their durability and strength, making them suitable for various soil conditions, including those with high levels of organic matter. The pipes are resistant to corrosion and can withstand the chemical reactions that occur in organic-rich soils. Additionally, ductile iron pipes have a smooth interior surface, which reduces the likelihood of organic matter buildup and clogging. However, it is important to consider the specific conditions of the soil and consult with engineers or experts to ensure proper installation and maintenance practices are followed.

Q: Are ductile iron pipes resistant to seismic events?: Yes, ductile iron pipes are generally resistant to seismic events. Ductile iron is a type of cast iron that is known for its high strength and durability. It has the ability to withstand significant external forces, including those caused by seismic events such as earthquakes. Ductile iron pipes are designed to be flexible and can absorb and dissipate the energy generated by seismic waves. This flexibility allows the pipes to withstand ground movements and vibrations without breaking or cracking. Additionally, the joints of ductile iron pipes are designed to provide some degree of flexibility, which further enhances their resilience against seismic events. Moreover, ductile iron pipes are constructed with thick walls, providing them with a high level of structural integrity. This strength makes them less susceptible to damage during seismic events and helps maintain the flow of water and other fluids even under extreme conditions. However, it is important to note that the resistance of ductile iron pipes to seismic events can also depend on various factors such as the magnitude and proximity of the earthquake, the quality of installation and maintenance, and the specific design considerations for the pipeline system. Therefore, it is crucial to ensure that proper engineering and construction practices are followed to maximize the resilience of ductile iron pipes in seismic-prone areas.

Q: What are the recommended bedding and backfill materials for ductile iron pipe?: To ensure proper alignment and prevent damage during installation and operation, ductile iron pipe requires a combination of granular materials such as sand, gravel, or crushed stone for bedding and backfill. Bedding involves using sand to create a level surface, distributing the load evenly and reducing stress concentration. As for backfill, it should be carefully selected to offer good compaction and drainage properties, preventing settling and potential damage. Common choices for backfill are crushed stone or gravel, which provide stability and allow for proper compaction. To ensure the long-term performance and durability of the pipe system, it is crucial to adhere to the recommendations of the pipe manufacturer and relevant industry standards when selecting bedding and backfill materials. These materials must meet specified size and quality requirements. Additionally, local regulations and soil conditions should also be considered when determining the appropriate bedding and backfill materials for ductile iron pipe installations.

Q: Are there any special coatings or linings available for ductile iron pipe?: Indeed, there are specialized coatings and linings that can be utilized for ductile iron pipe. These coatings and linings are employed on either the internal or external surfaces of the pipe in order to safeguard against corrosion and prolong the pipe's lifespan. Cement mortar lining, polyethylene encasement, epoxy coating, and polyurethane lining are among the common coatings and linings utilized for ductile iron pipe. These coatings and linings are specifically designed to prevent corrosion when the pipe comes into contact with different substances such as water, chemicals, and soil. The choice of which coating or lining to use is dependent on the specific application and the environment in which the pipe will be installed.

Q: How much is the installation fee of the 400 largest ductile iron pipe?: Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance through various anti-corrosion methods;

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