Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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1.Ductile Iron Pipe Description :
DI pipe fittings are manufactured according to ISO 2531 or BS EN545 or BS4772 FOR POTABLE WATER ,internal is cement lining or wet epoxy coating;External is zinc plus bitumen or wet epoxy coating.

1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
2.Main Features of the Ductile Iron Pipe:
1. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
3.Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

4.Ductile Iron Pipe Specification:
Internal lining:ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating:ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing:ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

5.FAQ:
1.Q:Why can you guarantee the inner of pipes can’t be corroded?
A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

2.Q: Why would you choose ductile iron pipe rather than other pipe materials?
A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

Q: Can ductile iron pipes be used for pressure reducing stations?: Yes, ductile iron pipes can be used for pressure reducing stations. Ductile iron pipes have high strength and durability, making them suitable for handling high-pressure systems. Additionally, their corrosion resistance properties make them a reliable choice for long-term use in pressure reducing stations.

Q: How is ductile iron pipe manufactured?: Ductile iron pipe is manufactured through a specific process known as centrifugal casting. The process starts with the melting of iron in a furnace, where specific elements such as carbon and silicon are added to achieve the desired properties. Once the iron is melted, it is poured into a spinning mold or a die that is rotating at a high speed. As the molten iron is poured into the rotating mold, centrifugal force pushes the liquid metal towards the inner surface of the mold. This force causes the metal to solidify from the outer surface inward. This results in a pipe with a dense outer layer and a more porous inner layer. The centrifugal casting process ensures that the pipe's outer surface is free from impurities and defects, ensuring its strength and durability. After the pipe has solidified, it is removed from the mold and undergoes further processing. The pipe is cleaned, excess material is trimmed off, and any surface imperfections are removed. It is then treated with a protective coating, such as zinc or epoxy, to enhance its corrosion resistance. The final step in the manufacturing process is quality control and testing. Ductile iron pipes are subjected to various tests to ensure they meet the required standards, including hydrostatic pressure testing, dimensional inspection, and internal and external coating inspection. In summary, ductile iron pipe is manufactured through the centrifugal casting process, which involves melting iron, pouring it into a rotating mold, and allowing it to solidify under centrifugal force. The resulting pipe is then cleaned, coated, and undergoes rigorous quality control to ensure its strength, durability, and adherence to standards.

Q: Are ductile iron pipes suitable for hydroelectric power plants?: Indeed, hydroelectric power plants can benefit from the suitability of ductile iron pipes. Renowned for their robustness, endurance, and adaptability, ductile iron pipes prove to be an optimal selection for a variety of water industry applications, including hydroelectric power plants. These pipes exhibit the ability to endure substantial pressure and resist corrosion, thereby ensuring their appropriateness for the conveyance of water throughout the various stages of hydroelectric power generation. Moreover, the extended lifespan of ductile iron pipes and their minimal maintenance requirements effectively reduce the overall operational expenses associated with power plant maintenance. Consequently, ductile iron pipes emerge as a dependable and fitting choice for hydroelectric power plants.

Q: Are ductile iron pipes suitable for desalination plants?: Yes, ductile iron pipes are suitable for desalination plants. They possess excellent corrosion resistance and durability, making them ideal for transporting seawater and brine solutions commonly found in desalination processes. Additionally, ductile iron pipes have high tensile strength, allowing them to withstand the high pressure and fluctuating temperatures associated with desalination operations.

Q: What are the different pressure classes available for ductile iron pipes?: There are several pressure classes available for ductile iron pipes, which are typically used for water and wastewater applications. The most common pressure classes for ductile iron pipes include Class 150, Class 200, Class 250, Class 300, and Class 350. These pressure classes indicate the maximum working pressure that the pipe can withstand in pounds per square inch (psi). Class 150 ductile iron pipes have a maximum working pressure of 150 psi, while Class 200 pipes can handle up to 200 psi. Class 250 pipes can withstand pressures up to 250 psi, and Class 300 pipes have a maximum working pressure of 300 psi. The highest pressure class, Class 350, can handle pressures up to 350 psi. The selection of the appropriate pressure class for a ductile iron pipe depends on various factors such as the system design, fluid characteristics, and operating conditions. It is important to consult the relevant standards and guidelines, such as the American Water Works Association (AWWA) standards, to determine the appropriate pressure class for a specific application. It is worth noting that these pressure classes refer to the working pressure of the pipe, which is the pressure the pipe is designed to safely contain during normal operation. The pipes are typically tested and certified to ensure they meet the required pressure class standards.

Q: Can ductile iron pipes be used for underground geothermal systems?: Yes, ductile iron pipes can be used for underground geothermal systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications, including underground geothermal systems. These pipes can handle high temperatures and pressures, making them ideal for the transport of hot geothermal fluids. Additionally, ductile iron pipes have a long service life and can withstand the ground movements and stresses that occur in underground installations. Therefore, they can be a reliable choice for underground geothermal systems.

Q: Are ductile iron pipes suitable for use in hydropower projects?: Yes, ductile iron pipes are suitable for use in hydropower projects. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them ideal for carrying water in hydropower projects. Additionally, their ability to withstand high pressure and adaptability to various ground conditions further supports their suitability for such projects.

Q: Are ductile iron pipes resistant to hydrogen sulfide corrosion?: Yes, ductile iron pipes are generally resistant to hydrogen sulfide corrosion. Ductile iron is a type of cast iron that has been treated with magnesium to create a more flexible and durable material. This treatment significantly enhances its resistance to corrosion, including corrosion caused by hydrogen sulfide. The magnesium in the ductile iron forms a protective layer on the surface, preventing the penetration of hydrogen sulfide and other corrosive agents. However, it is important to note that the resistance of ductile iron pipes to hydrogen sulfide corrosion can still be influenced by factors such as the concentration and duration of exposure to the corrosive environment. Therefore, proper maintenance, regular inspection, and appropriate protective measures should still be implemented to ensure the long-term durability and performance of ductile iron pipes in the presence of hydrogen sulfide.

Q: Can ductile iron pipes be used for underground wastewater outfalls?: Ductile iron pipes are able to be utilized for underground wastewater outfalls. These pipes are favored for underground applications due to their robustness, sturdiness, and resistance to corrosion. They are specifically designed to endure high pressure and external loads, thereby making them suitable for the transportation of wastewater across long distances and depths. Moreover, ductile iron pipes possess a smooth internal surface, which aids in reducing friction and preventing the accumulation of sediments or debris that might obstruct the flow of wastewater. Consequently, ductile iron pipes are widely employed in underground wastewater systems, including outfalls, in order to ensure efficient and dependable wastewater conveyance while minimizing the likelihood of pipe failure or blockages.

Q: What is ductile iron?: Ductile iron is a type of cast iron that has been treated with magnesium or cerium to improve its mechanical properties. It is called "ductile" because it has a higher degree of ductility compared to other types of cast iron. Ductility refers to the ability of a material to be stretched or deformed without breaking. This characteristic makes ductile iron highly suitable for applications that require high strength and resistance to wear and tear, such as pipes, automotive components, and machinery parts. The addition of magnesium or cerium to the iron during the manufacturing process helps to form graphite in the structure, which gives ductile iron its unique properties. This graphite formation also helps to make the iron more flexible and less brittle, enabling it to absorb shock and vibration without fracturing. Overall, ductile iron offers a balance between the strength of cast iron and the flexibility of steel, making it a versatile material for various industrial applications.

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