DUCTILE IRON PIPES AND PIPE FITTINGS DN900

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/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 resistant to impact damage?: Yes, ductile iron pipes are highly resistant to impact damage due to their inherent strength and durability.

Q: Are ductile iron pipes suitable for use in mining applications?: Ductile iron pipes are well-suited for mining applications due to their unique properties. Also known as nodular cast iron, ductile iron is a type of iron that has been modified with magnesium or cerium to enhance its microstructure, resulting in increased strength and flexibility compared to traditional cast iron. These enhancements make ductile iron pipes highly resistant to impact, corrosion, and abrasion, which are common challenges in mining environments. In mining applications, ductile iron pipes find multiple uses, including water supply, slurry transportation, and ventilation systems. Their exceptional durability and resistance to wear and tear make them ideal for handling abrasive materials, chemicals, and high-pressure fluids typically encountered in mining operations. Moreover, the ability of ductile iron pipes to withstand heavy loads and external pressures makes them suitable for underground mining, where they may need to support the weight of overlying rock layers. With their high tensile strength and flexibility, ductile iron pipes help prevent pipe failure and reduce the risk of leaks or breaks, ensuring the safety and efficiency of mining operations. Furthermore, ductile iron pipes are relatively simple to install, maintain, and repair. They can be welded or joined using mechanical couplings, allowing for quick and efficient installation at mining sites. Their corrosion resistance also minimizes the need for frequent maintenance and replacement, resulting in cost savings for mining companies. Overall, the superior mechanical properties and durability of ductile iron pipes make them a reliable and practical choice for mining applications.

Q: Are ductile iron pipes suitable for installation in areas with high traffic loads?: Ductile iron pipes are indeed suitable for installation in areas characterized by heavy traffic loads. The reason behind this lies in the remarkable strength and durability of ductile iron, rendering it an optimal selection for situations involving substantial loads and consistent traffic. This material possesses outstanding resistance to impact and can endure heavy loads without succumbing to cracks or fractures. Furthermore, ductile iron pipes boast a notable capacity for bearing heavy loads, enabling them to effectively withstand the weight and pressure imposed by vehicles and other weighty machinery. Consequently, these pipes find widespread utilization in locations such as highways, roads, bridges, and other regions experiencing significant traffic volumes.

Q: How does ductile iron pipe compare to steel pipe in terms of durability?: Ductile iron pipe is generally considered to be more durable than steel pipe. It has superior strength and durability due to its unique microstructure, which allows it to withstand higher levels of pressure, impacts, and loads. Ductile iron pipe also has better corrosion resistance properties, making it less prone to rust and deterioration compared to steel pipe. Additionally, ductile iron pipe has a longer lifespan and requires less maintenance, making it a more reliable and durable choice for various applications.

Q: How is ductile iron pipe protected against external corrosion?: To ensure the durability and longevity of ductile iron pipe, various methods are employed to protect it from external corrosion. One commonly used method is the application of protective coatings. Typically, a layer of zinc or asphaltic material is applied to the pipe, creating a barrier between the iron and the surrounding environment. This coating prevents direct contact between the pipe and corrosive elements like soil, moisture, and chemicals, thereby reducing the risk of corrosion. Another layer of protection is provided by wrapping the ductile iron pipe with polyethylene or polypropylene tape. This tape acts as a physical barrier, shielding the pipe from moisture and other potentially corrosive substances. Great care is taken during the application process to ensure complete coverage and adherence to the pipe's surface. Cathodic protection is also commonly used to safeguard ductile iron pipes from external corrosion. This technique involves installing 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. Proper installation practices also play a crucial role in preventing external corrosion. It is important to bury the pipe at an appropriate depth, ensuring adequate soil coverage. This minimizes exposure to corrosive elements and maintains the integrity of the protective coatings. Additionally, using corrosion-resistant bedding materials and employing proper backfilling techniques can further enhance the pipe's resistance to external corrosion. In conclusion, a combination of protective coatings, tape wrapping, cathodic protection systems, and proper installation practices ensures the protection of ductile iron pipe against external corrosion. These measures work together to provide a strong defense against corrosive forces, ensuring the pipe's reliability and longevity in various applications.

Q: Are ductile iron pipes suitable for underground installations?: Yes, ductile iron pipes are suitable for underground installations. Ductile iron is a highly durable and strong material that can withstand the various pressures and stresses associated with underground environments. It has excellent resistance to corrosion, making it an ideal choice for underground applications where it may be exposed to moisture, soil, and other corrosive elements. Ductile iron pipes also have a high tensile strength, which allows them to withstand external loads and prevent cracking or breakage under ground movement or heavy traffic. Additionally, ductile iron pipes have a longer lifespan compared to other materials, making them a cost-effective option for underground installations. Overall, ductile iron pipes are a reliable and suitable choice for underground applications due to their durability, corrosion resistance, and long-term performance.

Q: How does ductile iron pipe handle thermal expansion and contraction?: Ductile iron pipe is well-known for its ability to handle thermal expansion and contraction effectively. This is primarily due to its unique material properties and design characteristics. Firstly, ductile iron pipe has a high coefficient of linear expansion, which means it expands and contracts relatively more compared to other materials when subjected to temperature changes. This property allows the pipe to accommodate thermal expansion and contraction without causing excessive stress or deformation. Additionally, ductile iron pipes are designed with flexible joints that can absorb the movement caused by thermal expansion and contraction. These joints, such as push-on or mechanical joints, provide a certain level of flexibility and allow the pipe to expand and contract within a specific range without compromising its structural integrity. Furthermore, the material composition of ductile iron itself contributes to its ability to handle thermal expansion and contraction. Ductile iron is a type of cast iron alloy that contains nodular graphite in its microstructure, providing it with enhanced ductility and tensile strength. This inherent ductility enables the pipe to withstand the stresses induced by thermal expansion and contraction without fracturing or breaking. Overall, ductile iron pipe is designed and manufactured to effectively handle thermal expansion and contraction. Its high coefficient of linear expansion, flexible joints, and ductile material properties all work together to ensure that the pipe can accommodate temperature changes without causing any significant issues or structural failures.

Q: Can ductile iron pipes be used for cooling water systems?: Indeed, cooling water systems can utilize ductile iron pipes. Renowned for their resilience, robustness, and resistance to corrosion, ductile iron pipes are a fitting choice for various applications, including cooling water systems. With the ability to withstand high pressure and temperature fluctuations, these pipes excel in circulating and transporting cooling water. Moreover, their smooth interior surface mitigates friction, diminishing the likelihood of scaling or blockages and enabling the efficient flow of cooling water. Consequently, ductile iron pipes emerge as a dependable and efficient option for cooling water systems.

Q: How to properly maintain FRP pipes: It has excellent corrosion resistanceDo not use cathodic protection and other anti-corrosion measures to produce two contamination of water and other media. Long service life of products.

Q: How do ductile iron pipes perform in high-pressure applications?: Ductile iron pipes are known for their exceptional strength and durability, making them highly suitable for high-pressure applications. These pipes are designed to withstand immense internal and external pressures, making them well-suited for underground or above-ground installations where high-pressure conditions are expected. One of the key advantages of ductile iron pipes in high-pressure applications is their ability to resist cracking or bursting. The inherent ductility of the material allows it to absorb and distribute the pressure evenly, minimizing the risk of failure under high-pressure conditions. This makes ductile iron pipes a reliable choice for water supply systems, oil and gas pipelines, and other applications where the pipe is subjected to significant pressure. Additionally, ductile iron pipes have excellent corrosion resistance properties, which further enhances their performance in high-pressure environments. The pipes are typically coated with a protective layer, such as cement mortar or epoxy, which acts as a barrier against corrosion. This protective coating prevents the formation of rust or scale inside the pipe, ensuring a smooth flow and maintaining the structural integrity even under high-pressure conditions. Furthermore, ductile iron pipes have a high tolerance for external loads, such as soil pressure, traffic loads, or other external forces. This strength enables them to withstand the additional stress that may be present in high-pressure applications, ensuring the long-term reliability and performance of the pipe system. Overall, ductile iron pipes offer exceptional performance in high-pressure applications. Their strength, durability, corrosion resistance, and ability to withstand external loads make them a reliable choice for various industries and infrastructure projects where high-pressure conditions are a concern.

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