DUCTILE IRON PIPES AND PIPE FITTINGS C25 CLASS 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:How do ductile iron pipes perform in high-traffic areas?: Ductile iron pipes perform well in high-traffic areas due to their durability and strength. They have the ability to withstand heavy loads and traffic loads without experiencing deformation or damage. Additionally, their corrosion resistance properties make them suitable for prolonged exposure to moisture and harsh environmental conditions. Overall, ductile iron pipes are a reliable choice for high-traffic areas.

Q:What is the difference between ductile iron and cast iron pipes?: The main difference between ductile iron and cast iron pipes lies in their composition and properties. Ductile iron pipes are made from an alloy of iron, carbon, and silicon, which makes them more flexible and resistant to cracking. On the other hand, cast iron pipes are made from a mixture of iron, carbon, and other elements, which provides them with a higher resistance to corrosion and pressure. In summary, ductile iron pipes are more flexible and durable, while cast iron pipes are more resistant to corrosion and pressure.

Q:What are the common pressure ratings for ductile iron pipes?: The pressure ratings for ductile iron pipes can vary depending on the application and industry standards. However, the most commonly used pressure ratings are Class 150, Class 200, Class 250, and Class 350. For low-pressure applications, Class 150 ductile iron pipes are typically used. These pipes have a working pressure of up to 150 psi and are commonly used for water distribution systems, irrigation, and gravity flow sewer systems. For applications requiring slightly higher pressure, such as industrial water supply and fire protection systems, Class 200 ductile iron pipes are used. These pipes have a working pressure of up to 200 psi. For more demanding applications, Class 250 ductile iron pipes are suitable. These pipes have a working pressure of up to 250 psi and are used for high-pressure water supply systems, power plants, and municipal water distribution networks. For heavy-duty applications, such as industrial water supply and oil and gas pipelines, Class 350 ductile iron pipes are used. These pipes have the highest working pressure rating, with a maximum pressure of up to 350 psi. It is important to note that these pressure ratings are general guidelines and can vary depending on the manufacturer and product specifications. Consulting industry standards and guidelines, as well as working with qualified engineers and professionals, is crucial to ensure the correct pressure rating is selected for a specific ductile iron pipe application.

Q:Ductile iron pipe joint leakage: The main reason for the leakage is that the installation is not in place, resulting in the loss of the apron. Sealed with cement or pipe head Hough section. Recommend the use of Hough section fast and convenient, and there is no menace from the rear.

Q:Can ductile iron pipes be used in dam or reservoir projects?: Ductile iron pipes are highly suitable for dam or reservoir projects. Their strength, durability, and resistance to corrosion are well-known, making them a preferred choice for a range of applications, such as water distribution and transmission systems. In projects involving dams or reservoirs, where the pipes must endure high pressure and transport large volumes of water, ductile iron pipes are often the top choice. Their exceptional mechanical properties, including impressive tensile strength and impact resistance, guarantee their ability to handle the load and offer a dependable and long-lasting solution. Moreover, ductile iron pipes can easily adapt to various installation methods, including trenchless techniques, making them a versatile option for dam or reservoir projects.

Q:How do ductile iron pipes handle water hammer in high-rise buildings?: Known for their durability and strength, ductile iron pipes are an excellent option for managing water hammer in high-rise structures. Water hammer, a common occurrence when water flow abruptly halts or changes direction in pipes, causes pressure surges that can strain and potentially harm the pipes. Engineered to withstand high-pressure scenarios, ductile iron pipes exhibit remarkable resistance to water hammer. With their high tensile strength, these pipes can endure sudden pressure changes without warping or fracturing. This feature is especially crucial in high-rise constructions where water distribution must accommodate various floor pressures. Furthermore, the outstanding corrosion resistance of ductile iron pipes bolsters their ability to handle water hammer. Over time, corrosion weakens pipes, making them more prone to failure during pressure surges. However, the corrosion resistance of ductile iron pipes guarantees their structural integrity even in high-pressure circumstances. Moreover, the flexibility of ductile iron pipes enables them to absorb and dissipate the energy generated by water hammer. Consequently, the overall system experiences minimal impact, reducing the potential for damage. Absorbing energy also contributes to minimizing noise and vibrations associated with water hammer, thus enhancing the efficiency and comfort of the water supply system. To summarize, ductile iron pipes are well-suited to manage water hammer in high-rise buildings. Their strength, corrosion resistance, and flexibility make them a reliable choice for delivering water under varying pressures while upholding the system's integrity.

Q:How does ductile iron pipe perform in corrosive soils?: Due to its inherent corrosion resistance properties, ductile iron pipe demonstrates exceptional performance in corrosive soils. This is attributed to its unique composition of iron, carbon, and other elements that enhance its durability and resistance to corrosion. A key feature of ductile iron pipe is its protective lining, which is either cement mortar or a special epoxy coating. This lining acts as a barrier between the corrosive soil and the pipe, preventing direct contact and corrosion. Furthermore, compared to other materials like steel, ductile iron pipe exhibits higher resistance to external corrosion. It can withstand the chemical reactions caused by acidic or alkaline soils and remains unaffected by the corrosive elements present in the ground. This quality makes it an ideal choice for installation in highly corrosive soil areas. Moreover, ductile iron pipe has a long service life, further contributing to its performance in corrosive soils. Its durability and resistance to corrosion ensure that it can withstand the challenges posed by corrosive soils for several decades without significant degradation. In conclusion, ductile iron pipe excels in corrosive soils due to its protective lining, resistance to external corrosion, and long service life. Its ability to withstand the harsh conditions presented by corrosive soils makes it a reliable and durable choice for various applications such as water distribution, sewage systems, and industrial pipelines.

Q:What are the specifications for the installation of water ball iron pipes?: Groove support: according to the groove soil, groundwater, slotted cross section, load conditions and other factors, the design requirements are firm and reliable, to prevent landslides, support, shall not impede the lower pipe and stable pipe.

Q:Can ductile iron pipes be used in areas with high levels of heavy metal contamination?: Areas with high levels of heavy metal contamination can indeed utilize ductile iron pipes. Ductile iron, known for its strength and durability, is resistant to corrosion, thus making it ideal for various environmental conditions, including those with heavy metal contamination. The structural integrity and performance of ductile iron pipes remain unaffected by the presence of high levels of heavy metals in the surrounding soil or water. These pipes feature a protective lining, typically made of cement mortar or polyethylene, which acts as a barrier between the pipe and its environment. This lining effectively prevents the leaching of heavy metals into the flowing water. Moreover, ductile iron pipes have demonstrated exceptional resistance to chemical corrosion, including that caused by heavy metals. Consequently, they have been extensively used in industrial settings where heavy metal contamination is prevalent, such as wastewater treatment plants, industrial facilities, and mining sites. However, it is crucial to emphasize the importance of regular monitoring and maintenance for ductile iron pipes, even though they can withstand high levels of heavy metal contamination. These measures ensure that the protective lining remains intact and any potential issues are promptly addressed. In conclusion, ductile iron pipes are a suitable choice for areas with substantial heavy metal contamination. Their strength, durability, and resistance to corrosion make them a reliable option for transporting water and other fluids, even in challenging environments.

Q:Can ductile iron pipes be used for irrigation systems in saline soil conditions?: Yes, ductile iron pipes can be used for irrigation systems in saline soil conditions. Ductile iron pipes have excellent corrosion resistance properties, making them suitable for use in saline environments. However, it is important to consider the specific requirements and consult with experts to ensure proper selection and installation methods are implemented for optimal performance and durability in such conditions.

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