DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN1400

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN1400

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 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 susceptible to external loading or pressure?: Yes, ductile iron pipes are susceptible to external loading or pressure. They have the ability to withstand moderate external loads and pressure due to their high tensile strength and flexibility. However, excessive loading or pressure can cause deformation or damage to the pipes, leading to potential leaks or structural failure. Therefore, proper consideration and engineering analysis should be done to ensure the pipes are installed and operated within their design limits.

Q: Are there any special coatings or linings used for ductile iron pipes?: Ductile iron pipes utilize specialized coatings and linings to protect against corrosion and increase their lifespan. The interior and exterior surfaces of the pipes are treated with these coatings and linings. Several popular options for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is frequently employed to create a safeguarding layer on the inside of ductile iron pipes. This mixture of cement, sand, and water is applied to the pipe's interior surface. By doing so, it effectively prevents corrosion caused by water or other fluids flowing through the pipes. Polyethylene encasement is an additional protective coating used for ductile iron pipes. This method involves enveloping the pipes with a layer of polyethylene material. This barrier protects against environmental factors and inhibits direct contact between the pipe and the surrounding soil, minimizing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is administered to the exterior of ductile iron pipes. This coating provides exceptional corrosion resistance and mechanical protection. FBE coating is often utilized in aggressive environments where pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is another type of lining employed for ductile iron pipes. It offers superior resistance to both corrosion and abrasion. This liquid polymer lining is sprayed onto the interior surface of the pipes, resulting in a smooth and durable protective layer that extends the life of the pipes. These coatings and linings are essential for maintaining the integrity and longevity of ductile iron pipes, ensuring optimal performance in a variety of applications such as water distribution, wastewater management, and industrial processes.

Q: An urban infrastructure construction, water supply pipe is ductile iron pipe and PE pipe, thank you: Water supply pipe is the first choice, with high cost performance. 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 bearing pressure better;

Q: How can the ductile iron pipe elbow be fixed?: The groove connecting pipe consists of two categories of products: sealing function of pipe connections with rigid joint, flexible joint, mechanical three and groove flange; the pipe connections transition of elbow, three links, four links, different diameter pipe, blind plate etc..

Q: Can ductile iron pipes be used for trench crossings?: Yes, ductile iron pipes can be used for trench crossings. Ductile iron pipes are known for their high strength and durability, making them suitable for a wide range of applications including trench crossings. They have the ability to withstand heavy loads and external pressures, making them an ideal choice for underground installations. Additionally, ductile iron pipes have excellent corrosion resistance properties, ensuring their longevity and reliability in trench crossing scenarios.

Q: Can ductile iron pipes be used in areas with high levels of hydrogen sulfide gas?: Ductile iron pipes can generally be used in areas with high levels of hydrogen sulfide gas, but it is important to consider certain factors before making a decision. Hydrogen sulfide gas is corrosive and can potentially cause damage to metal pipes over time. While ductile iron is known for its durability and corrosion resistance, prolonged exposure to high levels of hydrogen sulfide gas can still lead to corrosion and deterioration. To mitigate the risks associated with hydrogen sulfide gas, it is advisable to assess the specific conditions of the area beforehand. This includes conducting a comprehensive analysis of the hydrogen sulfide gas concentration, pH levels, temperature, and other factors that may influence corrosion. Consulting with experts or engineering professionals who specialize in corrosion control can provide valuable insights and guidance. In some cases, additional measures may be necessary to protect ductile iron pipes. Coating the interior and exterior surfaces of the pipes with protective materials, such as epoxy or polyethylene, can provide an extra layer of defense against corrosion. Alternatively, cathodic protection systems can be employed to protect the pipes by applying a low voltage electrical current that mitigates the corrosion process. Ultimately, the decision to use ductile iron pipes in areas with high levels of hydrogen sulfide gas should be based on a thorough understanding of the specific conditions and implementing appropriate corrosion prevention measures. Regular monitoring and maintenance should also be conducted to ensure the pipes are functioning optimally and to address any potential issues before they escalate.

Q: Are ductile iron pipes suitable for use in acidic environments?: Highly acidic environments are generally unsuitable for the use of ductile iron pipes. While ductile iron is recognized for its strength and durability, it does have limitations in acidic conditions. Over time, acidic environments tend to corrode and deteriorate ductile iron pipes. Corrosion occurs when the acid in the environment reacts with the iron in the pipe, eventually leading to pipe failure. The rate at which corrosion occurs depends on several factors, including the concentration and type of acid, temperature, and duration of exposure. Acidic environments with pH levels below 4 or 5 can significantly accelerate the corrosion process. To address this limitation, alternative materials such as stainless steel or corrosion-resistant alloys like PVC or HDPE pipes are often recommended for use in acidic environments. These materials exhibit superior resistance to corrosion and can withstand the harsh conditions associated with acidic environments. However, it is worth noting that ductile iron pipes may still be suitable for use in mildly acidic conditions or if protective measures are implemented to prevent corrosion. The application of protective coatings or linings to the pipes can help minimize the corrosive effects of acids. Consulting experts or engineers who are knowledgeable about the specific conditions and requirements of the project is crucial in determining the most appropriate material for use in acidic environments.

Q: Do ductile iron pipes require internal linings for potable water?: No, ductile iron pipes do not require internal linings for potable water.

Q: Are ductile iron pipes resistant to chemicals or solvents?: Ductile iron pipes possess a general resistance to a wide variety of chemicals and solvents. This resistance can be attributed to their composition, which consists of a high percentage of iron and carbon, as well as small amounts of other alloying elements like silicon, manganese, and magnesium. These alloying elements contribute to the overall strength and durability of the pipes, thereby making them highly resistant to corrosion and chemical attacks. However, it is important to acknowledge that the resistance of ductile iron pipes to chemicals and solvents may vary depending on the specific substance and its concentration. Certain aggressive chemicals or solvents, especially those with high levels of acidity or alkalinity, may gradually corrode or degrade the material of the pipes over time. In such instances, it is advisable to consult the pipe manufacturer or a professional engineer to ensure the compatibility of the pipes with the specific chemicals or solvents being used. Furthermore, the proper installation and maintenance practices are critical factors in preserving the chemical resistance of ductile iron pipes. Regular inspections, cleanings, and the application of protective coatings can assist in extending the lifespan and performance of the pipes when exposed to various chemicals or solvents.

Q: What are some common applications for ductile iron pipe?: Ductile iron pipe is commonly used in various applications including water and wastewater systems, underground drainage systems, oil and gas pipelines, industrial piping systems, and fire protection systems. Its strength, durability, and resistance to corrosion make it suitable for these applications, ensuring reliable and long-lasting performance.

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