DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN500

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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:The plug connection DN800 ductile iron pipe has been installed. "Shall I think so?": In many areas of our country, ductile iron pipe in the middle and small diameter to tube connected with the tube, the bearing type or flange interface method; ductile iron, angle limit must be allowed better seismic performance and sealing performance.

Q:Can ductile iron pipes be used for stormwater drainage systems?: Yes, ductile iron pipes can be used for stormwater drainage systems. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for various applications, including stormwater drainage. They can handle high volumes of water flow and withstand heavy traffic loads, making them a reliable choice for stormwater management. Additionally, ductile iron pipes have excellent joint performance, ensuring a watertight and secure connection, which is crucial for preventing leaks and maintaining the integrity of the stormwater drainage system. Overall, ductile iron pipes are a viable option for stormwater drainage systems due to their robustness, longevity, and ability to withstand the harsh conditions often associated with stormwater management.

Q:Can ductile iron pipe be used for industrial wastewater applications?: Yes, ductile iron pipe can be used for industrial wastewater applications. It has excellent strength, durability, and corrosion resistance, making it suitable for handling various types of wastewater in industrial settings. Additionally, ductile iron pipe is known for its ability to withstand high-pressure and high-temperature conditions, making it a reliable choice for industrial wastewater applications.

Q:Can ductile iron pipes be used for wastewater pumping stations?: Indeed, wastewater pumping stations can utilize ductile iron pipes. With their remarkable strength and durability, ductile iron pipes are well-suited for transporting wastewater and effectively managing the immense pressures and corrosive properties of sewage. Furthermore, the smooth interior surface of ductile iron pipes prevents blockages and facilitates the efficient flow of wastewater. Moreover, these pipes exhibit resistance towards external forces like soil displacement or heavy vehicular movement, thereby establishing themselves as a dependable option for wastewater pumping stations.

Q:Are ductile iron pipes suitable for underground parking structures?: Yes, ductile iron pipes are suitable for underground parking structures. Ductile iron pipes are known for their strength and durability, making them an ideal choice for underground applications where they may be subjected to heavy loads or potential impacts. Additionally, ductile iron pipes have excellent corrosion resistance, which is crucial in underground environments where they may be exposed to moisture and other corrosive elements. The high tensile strength and flexibility of ductile iron pipes also allow them to withstand ground movements and settle without cracking or breaking, further enhancing their suitability for underground parking structures. Overall, ductile iron pipes provide a reliable and long-lasting solution for the drainage and water supply needs of underground parking facilities.

Q:What's the function of the cement mortar lining of ductile iron pipes?: Active protection is superior to barrier coating, cement mortar lining, and a stable hydroxide film formed on the surface of ductile iron and steel pipe to form a protective layer. This kind of protective coating has excellent antiseptic properties because they spontaneously protect themselves even in discontinuous linings. A polymer in sharp contrast, such as an epoxy lining, is also barrier coating, but only if 100% is applied without leakage. Any interruption or leakage will cause corrosion.It has been documented that cement mortar and cement mortar have been applied to the field of water transportation and can meet the water quality standards for a long time. Some standards still apply to the world. Cement mortar does not support microbial growth. In the case of corrosive water or low flow rate (prolonged stagnation), it is better to use cement mortar lined pipes because it can maintain high pH values in the pipe. This does not cause health problems and can be prevented by very simple sealed coating methods. The natural characteristics of the sealing coating provide the best protection for the inner wall of the pipe, while ensuring that all the water quality indexes meet the quality requirements, low cost and high efficiency.

Q:How is ductile iron pipe protected against external corrosion?: Ductile iron pipe is protected against external corrosion through a variety of methods that ensure its durability and longevity. One common method is the application of protective coatings. The pipe is typically coated with a layer of zinc or asphaltic material, which acts as a barrier between the iron pipe and the surrounding environment. This coating helps to prevent direct contact between the pipe and corrosive elements such as soil, moisture, and chemicals, thereby reducing the risk of corrosion. Additionally, ductile iron pipes are often wrapped with a layer of polyethylene or polypropylene tape. This tape provides an extra layer of protection against external corrosion by serving as a physical barrier that shields the pipe from moisture and other potentially corrosive substances. The tape is applied with care to ensure complete coverage and adherence to the pipe's surface. Furthermore, cathodic protection is commonly employed to safeguard ductile iron pipes against external corrosion. This technique involves the installation of sacrificial anodes or impressed current systems near the pipe. These anodes generate a protective electrical current that counteracts the corrosion process, effectively inhibiting the deterioration of the pipe's surface. Lastly, proper installation practices play a crucial role in preventing external corrosion. It is essential to ensure that the pipe is buried at an appropriate depth, allowing for adequate soil coverage. This helps to minimize exposure to corrosive elements and maintain the integrity of the protective coatings. Additionally, proper backfilling techniques and the use of corrosion-resistant bedding materials can further enhance the pipe's resistance to external corrosion. In conclusion, ductile iron pipe is protected against external corrosion through a combination of protective coatings, tape wrapping, cathodic protection systems, and proper installation practices. These measures work together to provide a robust defense against the corrosive forces that the pipe may encounter, ensuring its longevity and reliability in various applications.

Q:What are the recommended bedding and backfill materials for ductile iron pipe?: The recommended bedding and backfill materials for ductile iron pipe typically include a layer of granular material, such as sand or pea gravel, for bedding and a layer of compacted soil or select backfill material for backfilling. This helps to distribute load and protect the pipe from external forces while maintaining stability and preventing damage.

Q:Are ductile iron pipes resistant to UV degradation?: Ductile iron pipes are not inherently resistant to UV degradation. Exposure to ultraviolet (UV) radiation from the sun can cause the degradation of various materials, including ductile iron. However, it is important to note that the rate of UV degradation in ductile iron pipes is relatively slow compared to other materials such as plastics or rubber. To mitigate the effects of UV degradation on ductile iron pipes, protective measures can be taken. Coating the pipes with a suitable UV-resistant paint or applying an external protective layer can help minimize the impact of UV radiation. Additionally, proper installation and maintenance practices can also contribute to the longevity and durability of ductile iron pipes. It is worth mentioning that while UV degradation may not be the primary concern for ductile iron pipes, other factors such as corrosion, chemical attack, or mechanical stress can still affect their performance and lifespan. Therefore, it is important to consider all potential environmental factors and apply appropriate protective measures accordingly.

Q:How do ductile iron pipes handle ground movement or settlement?: Ductile iron pipes are well-suited to handle ground movement or settlement due to their inherent flexibility and durability. The ductile nature of the material allows the pipes to withstand moderate ground movement without cracking or breaking, while their strength ensures they can resist the pressure exerted by settling soil. Additionally, the joints of ductile iron pipes are designed to accommodate slight movements and provide a flexible connection. Overall, ductile iron pipes are a reliable choice for underground infrastructure, offering long-term performance even in areas prone to ground movement or settlement.

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