DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN300

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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: What are the different types of coatings available for ductile iron pipe?: There are several different types of coatings available for ductile iron pipe, each with unique properties and advantages. 1. Cement Mortar Coating: This is a commonly used coating for ductile iron pipe. It involves applying a layer of cement mortar to the interior and exterior surfaces of the pipe. This coating provides protection against corrosion and abrasion, as well as improving the hydraulic efficiency of the pipe. 2. Polyethylene Encasement: Another popular coating for ductile iron pipe is polyethylene encasement. This involves wrapping the pipe with a layer of polyethylene material. This coating provides excellent corrosion resistance and is particularly effective in protecting against soil and water contaminants. 3. Fusion-Bonded Epoxy (FBE) Coating: FBE coating involves applying a layer of epoxy powder to the pipe surface, which is then heated to create a strong bond. This coating provides excellent corrosion resistance and is commonly used in aggressive environments such as wastewater treatment plants and chemical processing facilities. 4. Zinc Coating: Zinc coating, also known as galvanization, involves applying a layer of zinc to the surface of the ductile iron pipe. This coating provides excellent corrosion resistance and is often used in outdoor applications where the pipe is exposed to moisture and humidity. 5. Bituminous Coating: Bituminous coating is a black, tar-like substance that is applied to the surface of the pipe. It provides protection against corrosion and is commonly used in underground applications where the pipe is in contact with soil or water. 6. Polyurethane Coating: Polyurethane coatings provide excellent resistance to abrasion, impact, and chemical corrosion. They are often used in aggressive environments such as oil and gas pipelines. These are just a few examples of the different types of coatings available for ductile iron pipe. The choice of coating depends on factors such as the intended application, environmental conditions, and the level of corrosion protection required. It is important to consult with industry experts and adhere to relevant standards and specifications when selecting a coating for ductile iron pipe.

Q: What is the lifespan of ductile iron pipes?: The durability and longevity of ductile iron pipes can vary depending on several factors, including pipe quality, installation conditions, and the surrounding environment. On average, these pipes typically last between 50 and 100 years, making them an excellent choice for water and sewer infrastructure. By implementing proper maintenance practices and conducting regular inspections, ductile iron pipes can remain highly functional and efficient for many decades. It should be noted that factors such as corrosion, soil conditions, and water chemistry can influence the lifespan of these pipes, so it is important to monitor and address these issues in order to extend their longevity.

Q: Can ductile iron pipes be used in areas with high levels of hydrogen sulfide gas and corrosion potential?: Before making a decision, it is important to take certain factors into consideration when considering the use of ductile iron pipes in areas with high levels of hydrogen sulfide gas and corrosion potential. Ductile iron pipes display a strong resistance to corrosion, particularly when they are adequately protected with external coatings and linings. This characteristic makes them appropriate for environments with moderate levels of hydrogen sulfide gas and corrosion potential. Nevertheless, in areas with exceedingly high levels of hydrogen sulfide gas and severe corrosion potential, alternative materials such as corrosion-resistant alloys or specially coated pipes may be more suitable. To determine the suitability of ductile iron pipes, conducting a thorough evaluation of the specific conditions in the area is crucial. Factors such as the concentration of hydrogen sulfide gas, the presence of other corrosive elements or chemicals, and the overall corrosiveness of the environment should be taken into account. Furthermore, consulting the local regulations and industry standards is essential to ensure compliance and safety. In conclusion, while ductile iron pipes can withstand moderate levels of hydrogen sulfide gas and corrosion potential, it is necessary to conduct a comprehensive assessment of the specific conditions. In areas with high levels of hydrogen sulfide gas and severe corrosion potential, consulting with experts in the field and considering alternative materials may be required.

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: What is the expected thermal expansion of ductile iron pipes?: Several factors, including the iron's composition, temperature range, and pipe length, can affect the expected thermal expansion of ductile iron pipes. Generally, these pipes have a coefficient of thermal expansion between 10 and 13 µin/in/°F. This implies that for every one degree Fahrenheit rise in temperature, the ductile iron pipe will expand by around 10 to 13 microinches per inch in length. It is worth mentioning that this estimation is approximate and may slightly differ based on the pipe's specific conditions and characteristics.

Q: Can ductile iron pipes be used for underground wastewater outfalls?: Yes, ductile iron pipes can be used for underground wastewater outfalls. Ductile iron is a strong and durable material that can withstand the harsh conditions of underground installations, making it suitable for transporting wastewater efficiently and reliably.

Q: Can ductile iron pipe be used for road and highway crossings?: Yes, ductile iron pipe can be used for road and highway crossings. Ductile iron is a strong and durable material that is well-suited for underground infrastructure projects, including road and highway crossings. It provides excellent resistance to heavy loads, corrosion, and external forces, making it suitable for withstanding the traffic and environmental conditions associated with road and highway crossings. Additionally, ductile iron pipe is available in various sizes and strengths, allowing for customization based on the specific requirements of the crossing. Proper installation techniques and adherence to relevant industry standards are essential to ensure the longevity and performance of ductile iron pipes in road and highway crossings.

Q: How does ductile iron pipe handle thermal expansion and contraction?: Ductile iron pipe is able to handle thermal expansion and contraction effectively due to its inherent flexibility and strength. Its unique composition allows it to withstand the expansion and contraction caused by temperature fluctuations without breaking or becoming brittle. This property is crucial in preventing any damage to the pipe or its fittings, ensuring a reliable and durable pipeline system.

Q: Ductile iron 600-3 grade, tensile strength, how to test, there is a simple way?: 600-3 is pearlite + a small amount of ferrite matrix ductile iron. Pearlite edge region. 10%, center. 70600-3. Two sets of numbers indicating the grades and mechanical properties of nodular cast iron. The former represents the minimum tensile strength

Q: Are there any specific standards or regulations for ductile iron pipe?: Yes, there are specific standards and regulations for ductile iron pipe. Ductile iron pipe is commonly used in water and wastewater systems due to its strength and durability. The most widely recognized standard for ductile iron pipe is the American Water Works Association (AWWA) C151 standard. This standard covers the minimum requirements for ductile iron pipe, including materials, dimensions, tolerances, and testing methods. It also provides guidelines for the manufacturing, installation, and maintenance of ductile iron pipe systems. In addition to the AWWA C151 standard, there are also other standards and regulations that govern the use of ductile iron pipe in different countries. For example, in Europe, ductile iron pipe is governed by the EN 545 and EN 598 standards, which specify the requirements for ductile iron pipes and fittings used in water supply and wastewater systems. Furthermore, government agencies such as the Environmental Protection Agency (EPA) in the United States may have specific regulations and guidelines for the use of ductile iron pipe in certain applications, such as drinking water systems. It is crucial for manufacturers, contractors, and engineers involved in the design, installation, and maintenance of ductile iron pipe systems to ensure compliance with these standards and regulations. This helps to ensure that ductile iron pipe is manufactured to the highest quality standards, and that it is installed and maintained properly to ensure its longevity and reliability in water and wastewater systems.

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