Ductile Iron Pipe ISO2531:1998 DN100-DN1000

Ductile Iron Pipe ISO2531:1998 DN100-DN1000

Ref Price:: $505.00 - 635.00 / m.t.

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. We also manufacture ductile iron fittings with fusion bonded epoxy both inside and outside. All the producets are sutible to water pipes fields.We have passed ISO9001,ISO14001,OHSMS18001 certificate.

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.

Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633.we can do third party inspection according to customer's request.

2,Main Features of the Ductile Iron Pipe:

1).Quality guarantee
• Chemical checking
• NDE after rough machining
• Mechanical testing after heat treatment
• Final NDE,dimension inspected
2).Quality document
• Full Q.A document as per client request
3).Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
4).Service
• Drawing: we can translate your original drawing, offer best suggestion on design
• Quality: we have full set quality control system to guarantee the best quality.
• Inspection: inspect in house, all our products must be checked 3 times before packing
3,Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531:1998 DN100-1200

4.FAQ:

We have organized several common questions for our clients，may help you sincerely

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: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: How do ductile iron pipes handle traffic vibrations?: Ductile iron pipes possess exceptional strength and durability, making them highly effective in managing traffic vibrations. Their inherent properties enable them to withstand fractures or cracks caused by external forces, such as vibrations induced by traffic. The pipes' remarkable tensile strength and elasticity allow them to absorb and dissipate the energy produced by traffic vibrations. This capability minimizes the impact on the pipes and prevents significant damage or failure. Moreover, the material's ductility enables it to deform slightly under stress without breaking, further enhancing its ability to endure vibrations. Additionally, ductile iron pipes exhibit superior resistance to corrosion and other forms of deterioration. This resistance guarantees the pipes' structural integrity over an extended period, even when subjected to repetitive vibrations caused by heavy traffic. In conclusion, ductile iron pipes are well-suited to handle traffic vibrations due to their robust nature, capacity to absorb energy, and resistance to corrosion. These characteristics establish them as a dependable choice for underground infrastructure in areas with high traffic volumes, ensuring a pipeline system that is durable and efficient in the long run.

Q: Can ductile iron pipes be used for water main extensions?: Water main extensions can utilize ductile iron pipes. These pipes are recognized for their robustness and longevity, making them a fitting option for extending water mains. They possess the capability of withstanding high pressure and resisting corrosion, essential for guaranteeing the durability and dependability of the water distribution system. Moreover, ductile iron pipes have a sleek interior surface, minimizing friction and enhancing the efficiency of water flow. In general, due to their favorable mechanical properties and capacity to withstand the demands of water distribution systems, ductile iron pipes are commonly employed in water infrastructure projects, including water main extensions.

Q: Are ductile iron pipes resistant to root intrusion?: Ductile iron pipes are generally resistant to root intrusion, but not entirely immune. While the material itself is strong and durable, root intrusion can still occur through any cracks, joints, or damaged sections of the pipe. It is important to note that root intrusion is more common in older or poorly maintained pipes, where cracks or gaps may develop over time. However, modern ductile iron pipes are often coated with protective layers or linings to minimize the risk of root intrusion. Additionally, regular inspection and maintenance can help detect and address any potential issues before they escalate.

Q: How can the ductile iron pipe depress the elbow so as to prevent it from being opened?: The elbow is the pipe that changes the direction of the pipe. According to the angle, there are 45 degrees and 90 degrees, 180 degrees, three most commonly used, in addition, according to the project needs, including 60 degrees and other non normal angle elbow.

Q: How are ductile iron pipes repaired in case of damage?: Due to their high durability and strength, ductile iron pipes are commonly utilized in various applications. However, like any other materials, these pipes can sustain damage over time due to external influences or internal corrosion. In such instances, there exist several techniques available for repairing ductile iron pipes. One prevalent method is the trenchless repair technique, which allows for the restoration of the damaged section without the need for extensive excavation. This method typically employs specialized equipment to access and repair the affected area. Its advantages lie in minimizing disruption to the surrounding environment and reducing excavation costs. Another approach for repairing ductile iron pipes involves the application of epoxy lining. This process entails the use of epoxy resin to seal any cracks or leaks on the interior surface of the pipe. Epoxy lining is a cost-efficient and effective solution as it provides long-lasting repairs and enhances the overall condition of the pipe. In cases where the damage is severe or extensive, it may be necessary to replace the damaged section of the ductile iron pipe. This typically involves removing the compromised portion and installing a new pipe section. The replacement process may require excavation and can be more time-consuming and costly compared to other repair methods. Nonetheless, it guarantees a comprehensive and permanent solution for the damaged pipe. It is essential to note that the choice of repair method for ductile iron pipes depends on factors such as the extent of the damage and accessibility. Professional assessment and inspection play a crucial role in determining the most suitable repair technique. Consulting experienced pipeline repair specialists or civil engineers is highly recommended to ensure the most effective and durable repair solution for ductile iron pipes.

Q: How do ductile iron pipes handle ground settlement near construction sites?: Ductile iron pipes are highly resilient and can withstand ground settlement near construction sites. Due to their flexible nature, these pipes can accommodate small movements and settlement without incurring significant damage or failure. The ductility of the material allows the pipes to bend and adjust to the changing ground conditions, ensuring their integrity and minimizing the risk of leaks or breakage. Additionally, the strong and durable properties of ductile iron make it a reliable choice for underground infrastructure, providing long-term stability even in challenging environments.

Q: Ductile iron gears are generally treated without heat treatment: The mechanical properties of ductile iron are equivalent to quenched and tempered steel. The gears made of ductile iron can be quenched or tempered by high temperature + surface quenching, that is, quenching and tempering treatment + surface hardening.

Q: Can ductile iron pipes be used in areas with high soil acidity and alkalinity?: Yes, ductile iron pipes can be used in areas with high soil acidity and alkalinity. Ductile iron is highly resistant to corrosion and can withstand extreme pH levels, making it suitable for such environments.

Q: Are ductile iron pipes suitable for underground installations?: Yes, ductile iron pipes are suitable for underground installations. Ductile iron is known for its strength, durability, and resistance to corrosion, making it a reliable choice for underground applications where the pipes may be subjected to various environmental conditions. Additionally, ductile iron pipes have the flexibility to withstand ground movement and can be easily installed using various trenchless methods, making them a preferred option for underground installations.

Q: How are ductile iron pipes protected against stray electrical currents?: Ductile iron pipes, which are commonly used for water and sewer systems, are protected against stray electrical currents through a process known as cathodic protection. This method involves applying a low-voltage direct current (DC) to the pipes, which creates a protective electrical field around them. Cathodic protection is achieved by installing sacrificial anodes or impressed current systems near the ductile iron pipes. Sacrificial anodes, typically made of a more electrically active metal such as zinc or magnesium, are connected to the pipes and serve as the source of electrical current. These anodes corrode over time, sacrificing themselves to protect the pipes from corrosion due to stray electrical currents. Impressed current systems, on the other hand, utilize an external power source to supply the protective electrical current. Rectifiers are used to convert alternating current (AC) to direct current (DC) and the DC is then applied to the pipes through anodes. This method allows for more control over the amount of current being applied, ensuring optimal protection. In both cases, the electrical current flowing through the sacrificial anodes or impressed current systems creates a protective barrier around the ductile iron pipes. This barrier prevents the stray electrical currents from flowing through the pipes, reducing the risk of corrosion and extending the lifespan of the infrastructure. Regular monitoring and maintenance of the cathodic protection system are essential to ensure its effectiveness. This involves inspecting the anodes, checking the electrical current levels, and making any necessary adjustments or replacements to maintain the desired level of protection. Overall, cathodic protection is a reliable and widely used method to protect ductile iron pipes against stray electrical currents, safeguarding the integrity and longevity of water and sewer systems.

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