Ductile Iron Pipe of China DN200 EN545 High Quality
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 200000 m.t./month
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OKorder Financial Service
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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:
•High yield strength
•High tensile Strength
•High corrosion resistance
•Pressure Resistence
•Anti-corrosion
•Installation is convenient
•Satisfy the highest hygienic standards
Length: 6m or cut into 5.6m, 5.7m, 5.8m
Internal Lining: Cement, conform to ISO4179
External coating: Zinc + Bitumen, conform to ISO8179
Rubber: NBR, SBR, EPDM according to ISO4633 / EN681.1
Note: The gaskets, bolts & nuts are supplied respectively as your special requirement
3,Ductile Iron Pipe Images:
4. Ductile Iron Pipe Specification:
Processing service: Beveling, Threading, Slotting, Cut-to length, Bends, Quench and Temper, Fabrication, Double-jointing and On-site assistance
Documentary: MTC, material certification,Origin certification, CI or PI,Test Report, export licence, handling order, B/L,insurance policy,shipping instructions, contract, packing list etc.
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.
Payment term: L/C, T/T.
Packing: In bulk vessel or in container
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: How does ductile iron pipe perform in high-temperature environments?
- Ductile iron pipe performs well in high-temperature environments due to its superior strength and thermal resistance. It can withstand elevated temperatures without significant deformation or structural damage, making it a reliable choice for various applications requiring high-temperature resistance.
- Q: How is ductile iron pipe different from cast iron pipe?
- Ductile iron pipe and cast iron pipe are commonly used in plumbing and drainage applications, but they have differences in composition, strength, and flexibility. To begin with, ductile iron pipe is made from a different iron alloy than cast iron pipe. Ductile iron contains more carbon and silicon, which gives it increased strength and durability. On the other hand, cast iron pipe is made from gray iron, which has higher carbon content but lacks the flexibility of ductile iron. Moreover, ductile iron pipe is renowned for its superior strength and resistance to impact. It can withstand higher pressures and is less likely to crack or break under heavy loads or external forces. Cast iron pipe, although strong, is more brittle and prone to fractures and failures. Another significant distinction is the flexibility of ductile iron pipe. It possesses greater flexibility and can endure bending and deformation without fracturing. This flexibility facilitates easier installation, particularly in areas with uneven terrain or where ground movement may occur. In contrast, cast iron pipe is less flexible and more rigid, making it unsuitable for applications that require flexibility. Additionally, ductile iron pipe has a smoother interior surface compared to cast iron pipe. This smoothness reduces friction, enhances flow efficiency, and minimizes the accumulation of sediment and deposits within the pipe, resulting in improved water flow and reduced maintenance needs. In conclusion, ductile iron pipe sets itself apart from cast iron pipe due to its composition, strength, flexibility, and smooth interior surface. Ductile iron offers superior strength, impact resistance, and flexibility, making it the preferred choice in various plumbing and drainage applications.
- Q: How are ductile iron pipes protected against external corrosion?
- Ductile iron pipes are protected against external corrosion through a combination of manufacturing processes and external coatings. The first line of defense is the inherent corrosion resistance of ductile iron itself. The iron is treated with a special alloying element, typically magnesium, which forms a protective layer on the surface of the pipe. This layer acts as a barrier against corrosion and helps to extend the lifespan of the pipe. In addition to the corrosion-resistant properties of the iron, ductile iron pipes are also externally coated with protective materials. One common method is to apply a layer of asphaltic or bituminous coating to the pipe's surface. This coating acts as a barrier against moisture and corrosive substances in the soil, preventing them from coming into contact with the iron. It also provides a layer of insulation, reducing the likelihood of galvanic corrosion. Another method of external corrosion protection is the use of fusion-bonded epoxy (FBE) coatings. FBE is a thermosetting resin that is applied to the surface of the pipe and then heat-cured to form a strong and durable coating. This coating provides excellent resistance against corrosion, abrasion, and impact, making it a popular choice for ductile iron pipes in harsh environments. In some cases, additional protective measures such as cathodic protection systems may be employed. These systems use electric currents to counteract the corrosion process by supplying electrons to the pipe's surface. This helps to prevent corrosion from occurring, especially in areas where the coating may have been damaged or compromised. Regular maintenance and inspection are also crucial in ensuring the long-term protection of ductile iron pipes against external corrosion. This includes periodic cleaning, repair of any coating damages, and monitoring the integrity of the protective layers. Overall, the combination of the inherent corrosion resistance of ductile iron, external coatings, and maintenance practices ensures that ductile iron pipes are well-protected against external corrosion, allowing them to have a longer lifespan and deliver reliable performance in various applications.
- Q: Are ductile iron pipes suitable for trenchless installation methods?
- Yes, ductile iron pipes are suitable for trenchless installation methods. Ductile iron pipes are known for their strength, durability, and flexibility, making them ideal for trenchless installation methods such as horizontal directional drilling (HDD) and pipe bursting. HDD involves drilling a small pilot hole underground and then pulling the ductile iron pipe through the hole, without the need for extensive trenching. Ductile iron pipes can withstand the pulling forces exerted during this process and can be easily guided through the underground path. Pipe bursting is another trenchless method where an existing pipe is replaced by breaking it apart while simultaneously pulling a new ductile iron pipe into place. The strength and flexibility of ductile iron pipes allow them to withstand the force required to burst the existing pipe and replace it with minimal disruption to the surrounding area. In both these trenchless installation methods, ductile iron pipes offer several advantages. They have a high resistance to corrosion and can withstand high-pressure applications, making them suitable for a wide range of underground environments. Ductile iron pipes also have a long service life, reducing the need for frequent replacement and maintenance. Overall, ductile iron pipes are a reliable and suitable choice for trenchless installation methods, providing efficient and cost-effective solutions for underground pipe installations.
- Q: Can ductile iron pipes be used in areas with high soil salinity?
- Yes, ductile iron pipes can be used in areas with high soil salinity. Ductile iron pipes have excellent corrosion resistance and are often used for underground applications, including in areas with high soil salinity. The pipes are specially coated to prevent corrosion and are known for their durability and long service life, making them suitable for such environments.
- Q: How does ductile iron pipe perform in areas with high soil erosion?
- Ductile iron pipe is known for its exceptional strength and durability, making it a reliable choice for areas with high soil erosion. Its unique composition, which includes graphite nodules, allows it to be both flexible and resistant to fractures or cracks, even in challenging environments. This makes ductile iron pipe highly capable of withstanding the impact of soil erosion. In areas with high soil erosion, the soil particles can scrape against the surface of the pipe, potentially causing abrasions or damage. However, ductile iron pipe's thick wall thickness and corrosion-resistant coating provide an effective barrier against these abrasive forces. This means that even in areas with significant soil erosion, ductile iron pipe can maintain its structural integrity and functionality. Moreover, ductile iron pipe's ability to resist corrosion further enhances its performance in areas with high soil erosion. Soil erosion often leads to an increased presence of moisture, which can accelerate the corrosion process of certain materials. However, ductile iron pipe's protective coating, typically made from zinc or epoxy, acts as a shield against corrosion, ensuring its long-term performance and reliability. In summary, ductile iron pipe demonstrates excellent performance in areas with high soil erosion due to its strength, flexibility, and resistance to fractures or cracks. Its thick wall thickness and corrosion-resistant coating make it highly durable against abrasive forces and corrosion, allowing it to withstand the challenges posed by soil erosion. As a result, ductile iron pipe is a dependable choice for infrastructure projects in such areas, providing long-lasting and efficient water and wastewater transportation systems.
- Q: Can ductile iron pipe be used for fire protection systems?
- Yes, ductile iron pipe can be used for fire protection systems. Ductile iron pipe is known for its strength and durability, making it suitable for various applications, including fire protection systems. Its high tensile strength and resistance to cracking and breaking make it a reliable choice for transporting water and other fire suppression agents. Additionally, ductile iron pipe has excellent corrosion resistance properties, ensuring long-term performance and reliability in fire protection systems. Overall, ductile iron pipe is a suitable and commonly used material for fire protection systems due to its strength, durability, and corrosion resistance.
- Q: Are there any special considerations for installing ductile iron pipe in rocky soils?
- Yes, there are several special considerations for installing ductile iron pipe in rocky soils. Firstly, the rocky soil can pose challenges during the excavation process. The presence of rocks can increase the difficulty and time required for trenching. Special excavation equipment may be needed to break through the rocks and create a suitable trench for the pipe installation. Secondly, the rocky soil can cause abrasion and damage to the outer surface of the ductile iron pipe during installation. This can potentially compromise the integrity of the pipe and lead to leaks or breakages in the future. To mitigate this risk, it is recommended to use protective measures such as rock shields or padding around the pipe to minimize direct contact with the rocks. Additionally, the presence of rocks can affect the backfilling process. Proper backfilling is crucial to provide support and stability to the installed pipe. However, rocks can hinder the proper compaction of the backfill material, which may result in uneven support and potential movement of the pipe. It is important to carefully select and place the backfill material, ensuring it is free from larger rocks and adequately compacted to provide sufficient support. Furthermore, the rocky soil may also impact the installation of fittings and joints. The hard rocks can make it challenging to properly align and connect the pipe with fittings or make secure joints. Special care must be taken during the installation process to ensure proper alignment and secure connections, which will prevent leaks and ensure the longevity of the ductile iron pipe system. In conclusion, installing ductile iron pipe in rocky soils requires special considerations to overcome challenges related to excavation, abrasion, backfilling, and fitting installation. By taking these factors into account and implementing appropriate measures, the installation process can be successfully carried out, and the pipe system can function effectively in rocky soil conditions.
- Q: Are ductile iron pipes suitable for use in cooling water systems?
- Ductile iron pipes are indeed appropriate for utilization in cooling water systems. They exhibit remarkable strength and durability, rendering them impervious to the intense pressure and corrosive properties inherent in such systems. Furthermore, they possess the ability to withstand extreme fluctuations in temperature while delivering enduring performance. Additionally, ductile iron pipes exhibit commendable resistance to the proliferation of microorganisms, a crucial aspect in preserving the quality of the cooling water. Moreover, these pipes facilitate effortless installation and necessitate minimal maintenance, thereby constituting a cost-effective alternative for cooling water systems. In summary, ductile iron pipes represent a dependable and suitable choice for employment in cooling water systems.
- Q: How do ductile iron pipes handle water hammer?
- Ductile iron pipes are well-suited to handle water hammer due to their inherent strength and flexibility. The high tensile strength of ductile iron helps absorb and dampen the pressure surges caused by water hammer, preventing any significant damage to the pipes. Additionally, the inherent ductility of these pipes allows them to flex and absorb the impact of water hammer, reducing the likelihood of cracks or bursts. Overall, ductile iron pipes provide a reliable and durable solution for managing water hammer in water distribution systems.
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Ductile Iron Pipe of China DN200 EN545 High Quality
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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