Ductile Iron Pipe ISO2531:1998 C CLASS DN100

Ductile Iron Pipe ISO2531:1998 C CLASS DN100 System 1

Ductile Iron Pipe ISO2531:1998 C CLASS DN100

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 100000 m.t./month

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1.Ductile Iron Pipe Description :

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
3) we can do third party inspection according to customer's request.
4) Our products have been sold to many international market, such as Middle East and South East Asia and Africa.

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. Length: 6m or cut into 5.6m, 5.7m, 5.8m
5. Internal Lining: Cement, conform to ISO4179
6. External coating: Zinc + Bitumen, conform to ISO8179

3.Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531:1998 C CLASS DN100

4.Ductile Iron Pipe Specification:
Standard: API SPEC 5L 44th eidtion,ASTM A252-98(2007)
Grade: A53 Grades A/B, ASTM A106 Grades B/C,ASTM A179 Weld Alternatives: LSAW
OD size range: 6.4~44.5mm
Wall thickness: 406.4~1422mm
Length: 3 - 12 m according to requirment

5.FAQ:
We have organized several common questions for our clients,may help you sincerely:
1.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.
2.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.

Q: Can ductile iron pipe be used for pressure sewer systems?: Ductile iron pipe is indeed suitable for pressure sewer systems. Renowned for its strength, durability, and corrosion resistance, ductile iron pipe finds application in various fields, including pressure sewer systems. It effortlessly withstands high-pressure environments, serving as a dependable conduit for pressurized wastewater transportation. Furthermore, its exceptional joint integrity ensures leak-free connections and mitigates the possibility of sewer system breakdowns. Consequently, ductile iron pipe is widely employed in pressure sewer systems due to its unwavering structural integrity and extended lifespan.

Q: What are ductile iron pipes?: Ductile iron pipes are a type of iron pipe that possess high tensile strength and flexibility. They are made by treating cast iron with trace amounts of magnesium to create a material that is stronger and more resilient than traditional cast iron pipes. The addition of magnesium changes the microstructure of the iron, resulting in a matrix of graphite nodules within the iron, hence the name "ductile iron". This unique structure gives ductile iron pipes their remarkable properties, making them highly resistant to cracking and breaking even under high pressure and extreme temperature conditions. Ductile iron pipes are commonly used in water and wastewater systems, as well as in various industrial applications, due to their durability, longevity, and ability to withstand external loadings. They are also known for their ease of installation and low maintenance requirements, making them a popular choice in the construction industry.

Q: How are ductile iron pipes protected against internal corrosion?: Ductile iron pipes are protected against internal corrosion through a combination of various preventive measures. One of the primary methods is the application of a protective coating on the inner surface of the pipe. This coating acts as a barrier between the pipe and the transported fluid, preventing direct contact and minimizing the chances of corrosion. Another common method used is the application of a cement mortar lining. This lining further enhances the protective barrier, reducing the likelihood of corrosion even in aggressive environments. The cement mortar also provides a smooth surface, reducing friction and improving the flow of water or other fluids through the pipe. In addition to coatings and linings, ductile iron pipes are often designed with corrosion-resistant alloys or additives. These alloys, such as zinc or epoxy, are added during the manufacturing process and provide an extra layer of protection against internal corrosion. They act as sacrificial anodes, corroding over time to protect the underlying iron from degradation. Regular maintenance and inspection are also crucial in protecting ductile iron pipes against internal corrosion. Monitoring the condition of the protective coatings, identifying any signs of degradation or damage, and promptly addressing any issues are essential to ensure the long-term integrity of the pipes. Overall, a combination of protective coatings, cement mortar linings, corrosion-resistant alloys, and regular maintenance efforts work together to effectively protect ductile iron pipes against internal corrosion, extending their lifespan and ensuring the safe transportation of fluids.

Q: Can ductile iron pipe be used in areas with high groundwater levels?: Yes, ductile iron pipe can be used in areas with high groundwater levels. Ductile iron pipe is known for its durability and strength, making it suitable for use in various applications, including areas with high groundwater levels. Its corrosion resistance properties make it highly resistant to the corrosive effects of groundwater, ensuring long-term performance and reliability. Additionally, ductile iron pipe's joint flexibility allows it to withstand ground movement and settlement caused by fluctuating groundwater levels. Therefore, it is a suitable choice for areas with high groundwater levels, providing a reliable solution for water distribution systems and other underground applications.

Q: Can ductile iron pipes be used for potable water systems?: Indeed, potable water systems can utilize ductile iron pipes. Ductile iron, which undergoes treatment with magnesium to enhance its strength and flexibility, characterizes this type of iron. These pipes are esteemed for their robustness, resistance to corrosion, and ability to endure high pressure. They are frequently employed in water distribution systems, inclusive of potable water supply. Nevertheless, guaranteeing that the ductile iron pipes employed in potable water systems adhere to the requisite standards and regulations set by local authorities, such as NSF/ANSI 61 for drinking water system components, is of utmost importance. Consistent maintenance and regular testing are also indispensable to ensure the ongoing safety and excellence of the potable water system.

Q: How are ductile iron pipes protected during transportation and storage?: Ductile iron pipes are typically protected during transportation and storage through various methods. One common practice is to apply a coating of bituminous paint or epoxy on the exterior surface of the pipes to prevent corrosion. Additionally, the pipes are often wrapped with plastic or other protective material to shield them from physical damage and moisture. Proper handling and stacking techniques are also employed to minimize the risk of any deformation or cracking during transportation and storage.

Q: Ductile iron pipe joint leakage: After cleaning the pipe mouth, the cf-2000 high efficiency composite waterproof agent is used to seal it, and it will not leak.

Q: Can ductile iron pipes be used for trenchless installations?: Yes, ductile iron pipes can be used for trenchless installations. Trenchless technology allows for the installation, repair, or replacement of underground infrastructure without the need for extensive excavation. Ductile iron pipes, known for their strength and durability, are suitable for various trenchless methods such as horizontal directional drilling (HDD), pipe bursting, and slip lining. These methods minimize disruption to the surrounding environment and reduce costs compared to traditional open-cut trenching.

Q: Can ductile iron pipes be used in areas with high levels of groundwater contamination?: Yes, ductile iron pipes can be used in areas with high levels of groundwater contamination. Ductile iron is highly corrosion-resistant, making it suitable for such environments. Additionally, these pipes have a long lifespan and can withstand external pressures, making them a reliable choice for transporting water in contaminated areas.

Q: Are ductile iron pipes resistant to freeze-thaw cycles?: Ductile iron pipes exhibit resistance against freeze-thaw cycles. Ductile iron, a variant of cast iron, is fortified with magnesium, which enhances its strength, durability, and ability to resist cracking. These improved material properties enable ductile iron pipes to withstand the expansion and contraction that occur during freeze-thaw cycles. Unlike PVC or concrete, which may fracture or shatter due to the pressure exerted by freezing water, ductile iron pipes remain intact without suffering substantial damage. Moreover, the smooth interior surface of ductile iron pipes prevents the accumulation of ice or frost, thereby augmenting their resistance to freeze-thaw cycles. In conclusion, ductile iron pipes are an optimal choice for water distribution systems in cold climates, as they provide exceptional resistance against the adverse effects of freezing and thawing.

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