DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN800

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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 in culvert or storm sewer applications?: Yes, ductile iron pipes can definitely be used in culvert or storm sewer applications. Ductile iron pipes are known for their strength, durability, and flexibility, making them ideal for such applications. They have the ability to withstand heavy loads, resist corrosion, and handle high flow rates, making them a reliable choice for culverts and storm sewers. Ductile iron pipes also have a long service life and require minimal maintenance, further adding to their suitability for these applications. Additionally, ductile iron pipes can be easily installed and are available in various sizes and configurations to meet the specific requirements of culvert or storm sewer projects. Overall, ductile iron pipes are a proven and widely used option for culvert or storm sewer applications, providing efficient and long-lasting performance.

Q: Are ductile iron pipes suitable for use in acidic environments?: Ductile iron pipes are generally not suitable for use in highly acidic environments. While ductile iron is known for its strength and durability, it does have limitations when it comes to acidic conditions. Acidic environments tend to corrode and degrade ductile iron pipes over time. In acidic conditions, the acid can react with the iron in the pipe, causing corrosion and ultimately leading to pipe failure. The rate of corrosion depends on various factors such as the concentration and type of acid, temperature, and the duration of exposure. Acidic environments with pH levels below 4 or 5 can significantly accelerate the corrosion process. To overcome this limitation, other materials like stainless steel or corrosion-resistant alloys such as PVC or HDPE (high-density polyethylene) pipes are often recommended for use in acidic environments. These materials have better resistance to corrosion and can withstand the harsh conditions associated with acidic environments. However, if ductile iron pipes are used in mildly acidic conditions or if measures are taken to protect them from corrosion, they may still be suitable. Applying protective coatings or linings to the pipes can help minimize the corrosive effects of acids. It is essential to consult with experts or engineers familiar with the specific conditions and requirements of the project to determine the most suitable material for use in acidic environments.

Q: How are ductile iron pipes repaired in case of damage?: Due to their high durability and strength, ductile iron pipes are commonly utilized in various applications. However, like any other materials, these pipes can sustain damage over time due to external influences or internal corrosion. In such instances, there exist several techniques available for repairing ductile iron pipes. One prevalent method is the trenchless repair technique, which allows for the restoration of the damaged section without the need for extensive excavation. This method typically employs specialized equipment to access and repair the affected area. Its advantages lie in minimizing disruption to the surrounding environment and reducing excavation costs. Another approach for repairing ductile iron pipes involves the application of epoxy lining. This process entails the use of epoxy resin to seal any cracks or leaks on the interior surface of the pipe. Epoxy lining is a cost-efficient and effective solution as it provides long-lasting repairs and enhances the overall condition of the pipe. In cases where the damage is severe or extensive, it may be necessary to replace the damaged section of the ductile iron pipe. This typically involves removing the compromised portion and installing a new pipe section. The replacement process may require excavation and can be more time-consuming and costly compared to other repair methods. Nonetheless, it guarantees a comprehensive and permanent solution for the damaged pipe. It is essential to note that the choice of repair method for ductile iron pipes depends on factors such as the extent of the damage and accessibility. Professional assessment and inspection play a crucial role in determining the most suitable repair technique. Consulting experienced pipeline repair specialists or civil engineers is highly recommended to ensure the most effective and durable repair solution for ductile iron pipes.

Q: Can ductile iron pipe be used for irrigation systems?: Indeed, irrigation systems can utilize ductile iron pipe. Ductile iron proves to be a robust and enduring substance capable of withstanding the demanding conditions of high pressure and continuous water flow necessary for these systems. Its resistance to corrosion renders it appropriate for subterranean applications where it may encounter moisture and soil. Furthermore, ductile iron pipes possess the advantage of being capable of supporting substantial loads, a crucial aspect for irrigation systems potentially relying on heavy machinery or vehicles. In conclusion, ductile iron pipe represents a dependable and enduring option for irrigation systems.

Q: What is the expected deflection of ductile iron pipes under load?: The expected deflection of ductile iron pipes under load can vary depending on several factors such as the diameter, wall thickness, material properties, and the magnitude and distribution of the load applied. Generally, ductile iron pipes have a relatively high resistance to deflection due to their inherent strength and durability. They are designed to withstand substantial loads and are often used in applications where high pressure and heavy loads are expected. To determine the expected deflection, engineers typically use structural analysis techniques such as finite element analysis or beam theory calculations. These methods take into account the specific geometry and material properties of the ductile iron pipe to predict its behavior under load. In practice, ductile iron pipes are designed with a certain maximum allowable deflection, which is usually specified by industry standards or local regulations. This maximum allowable deflection ensures that the pipe remains structurally sound and maintains its functionality. It is important to note that the expected deflection of ductile iron pipes can also be influenced by external factors such as soil conditions, installation methods, and changes in temperature. Therefore, proper installation techniques and adherence to industry guidelines are crucial to ensure the pipes perform as expected and meet the required deflection limits.

Q: DN1800 can the length of ductile iron pipes be several meters? What is the total weight?: In quality, the spheroidization of cast iron pipes is controlled to be 1-3 (spheroidization rate 80%), so the mechanical properties of the cast iron pipes, ductile iron pipes and finished product libraries can be better improved, with the nature of iron and the properties of steel.

Q: How does ductile iron pipe perform in corrosive environments?: Ductile iron pipe is well-known for its exceptional performance in corrosive environments. It has proven to be highly resistant to corrosion due to its unique composition and protective coatings. The primary factor contributing to its resistance is the presence of graphite nodules, which act as a barrier against corrosive agents. These nodules effectively inhibit the spread of corrosion and provide a protective layer for the iron pipe. Additionally, ductile iron pipes often undergo several external coatings and linings to further enhance their resistance to corrosion. These coatings, such as cement mortar lining or epoxy coatings, provide an additional layer of protection against corrosive substances. They create a barrier between the pipe and the surrounding environment, preventing the corrosive agents from reaching the iron surface. Furthermore, ductile iron pipes are highly durable, which adds to their performance in corrosive environments. They have a long life expectancy and can withstand high-pressure conditions, making them suitable for various applications. The inherent strength of ductile iron makes it less susceptible to damage, even in harsh environments. It is important to note that while ductile iron pipes exhibit excellent resistance to corrosion, the specific performance can vary depending on the nature and concentration of the corrosive substances present. In extremely aggressive environments, additional protective measures such as cathodic protection or sacrificial anodes may be required to ensure long-term durability. Overall, ductile iron pipe has a proven track record of performing exceptionally well in corrosive environments. Its unique composition, combined with external coatings and linings, make it a reliable choice for applications where corrosion resistance is crucial.

Q: How can the connection of ductile iron pipe elbow be convenient for connecting?: The utility model relates to a groove connecting pipe which has the function of sealing and sealing, and mainly comprises three parts: a sealing rubber ring, a clamping band and a locking bolt. The inner rubber sealing ring is arranged on the outer side of the connecting pipe and is matched with the pre rolling groove, and then the outer ring is buckled on the rubber ring, and then can be fastened with two bolts. Because of the special sealing structure design of the rubber sealing ring and the clamp hoop, the groove connecting piece has good sealing property, and the sealing property is enhanced correspondingly with the increase of the fluid pressure in the pipe.

Q: How does ductile iron pipe perform in areas with high seismic activity?: Ductile iron pipe performs well in areas with high seismic activity due to its inherent flexibility and strength. Its ability to withstand ground movement and absorb seismic forces makes it a reliable choice for underground piping systems in earthquake-prone regions. Additionally, the material's high tensile strength and resilience help it resist fractures and maintain its structural integrity during seismic events, ensuring the continuous flow of water or other fluids.

Q: What is the DN400 installation charge for ductile iron pipes?: Labor cost: refers to the total amount of wages according to the provisions of the payment to the construction and installation works in the production of workers and ancillary production units of workers costs.

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