ductile iron pipe chinaSO2531

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Payment Terms:: TT OR LC

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

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

Q: How does ductile iron pipe perform in areas with high soil settlement?: Ductile iron pipe has gained a reputation for its exceptional performance in regions where soil settlement is significant. Thanks to its inherent strength and durability, it remains structurally intact under the pressures exerted by settling soil. The ductile iron pipe's flexible nature enables it to accommodate ground movements caused by soil settlement, thereby reducing the risk of pipe failure or damage. Its adaptability to these movements helps prevent cracks, leaks, and breaks that may occur in more rigid pipe materials. Furthermore, the strong resistance of ductile iron pipe to corrosion provides an additional advantage in areas with high soil settlement. It can withstand the corrosive effects of the soil and other environmental factors, ensuring the pipe system's longevity and reliability. In regions with substantial soil settlement, ductile iron pipe is often the preferred choice due to its ability to handle ground movements without compromising performance. Its strength, flexibility, and corrosion resistance make it an ideal solution for maintaining a robust and efficient water distribution system, even in challenging soil conditions.

Q: Can ductile iron pipe be used for both water and sewage applications?: Ductile iron pipe is versatile and can be used for both water and sewage applications. It is known for its strength, durability, and corrosion resistance, making it suitable for various purposes. With its high tensile strength, it can withstand the pressure and heavy loads associated with water and sewage systems. Its smooth interior surface minimizes friction and enhances flow efficiency, making it perfect for transporting water and sewage. It also has excellent resistance to corrosion and chemical attack, ensuring a long lifespan even in harsh environments. Moreover, ductile iron pipe comes in various sizes and configurations, allowing for customization to meet specific water and sewage requirements. In conclusion, ductile iron pipe is a reliable and adaptable option for water and sewage conveyance.

Q: Are ductile iron pipes susceptible to external loading or pressure?: Ductile iron pipes, just like any other material, are susceptible to external loading or pressure. They possess a certain level of strength and tolerance to endure external forces. However, excessive external loading or pressure can result in the deformation or failure of these pipes. To avoid any harm caused by external loading, it is crucial to ensure proper installation and support of ductile iron pipes. Furthermore, the design and engineering of the pipeline system should take into account the expected external loading and pressure to guarantee the pipes' effectiveness in handling the anticipated conditions. Regular inspections and maintenance play a vital role in detecting and resolving issues associated with external loading or pressure that may arise over time.

Q: How does ductile iron pipe perform in high-temperature steam applications?: Ductile iron pipe performs well in high-temperature steam applications due to its inherent strength and ability to withstand thermal stress. Its high melting point and resistance to corrosion make it a reliable choice for transporting steam at elevated temperatures. Additionally, ductile iron's thermal conductivity helps to dissipate heat efficiently, ensuring the pipe's integrity and preventing potential failures.

Q: How are ductile iron pipes manufactured?: Ductile iron pipes are manufactured through a process known as centrifugal casting, which involves the use of a spinning mold. The process begins with the selection and preparation of high-quality ductile iron, which is a type of cast iron that contains small amounts of magnesium to enhance its strength and ductility. First, the ductile iron is melted in a furnace at extremely high temperatures. Once the molten iron reaches the desired temperature, it is poured into a spinning mold. The spinning mold is designed in the shape of a pipe, and it rotates at a high speed to distribute the molten iron evenly along its inner surface. As the mold spins, the molten iron cools and solidifies against the mold walls. This rapid cooling results in a fine-grained structure and enhances the mechanical properties of the pipe, such as its strength and durability. The spinning mold continues to rotate until the pipe has completely solidified, which typically takes a few minutes. After solidification, the pipe is removed from the mold, and excess material, known as the "skin," is removed. The skin is typically removed by machining or grinding to achieve the desired dimensions and surface finish. Next, the pipe undergoes heat treatment to further enhance its mechanical properties and reduce internal stresses. Once the heat treatment is completed, the pipe is thoroughly inspected for any defects or imperfections. This includes visual inspections, non-destructive testing methods, and pressure testing to ensure the pipe meets the required specifications and standards. If any defects are detected, the pipe may be repaired or rejected depending on the severity of the issue. Finally, the pipes are coated with a protective layer to prevent corrosion and enhance their longevity. This coating can be applied through various methods, such as cement mortar lining, epoxy coating, or zinc coating. Overall, the manufacturing process of ductile iron pipes involves melting the iron, centrifugal casting, cooling, skin removal, heat treatment, inspection, and coating. This process ensures the production of high-quality pipes that possess excellent strength, durability, and resistance to corrosion.

Q: Are ductile iron pipes suitable for use in wastewater pumping stations?: Yes, ductile iron pipes are suitable for use in wastewater pumping stations. Ductile iron is a strong and durable material that can withstand the harsh conditions and corrosive nature of wastewater. It has excellent resistance to corrosion and can handle high-pressure environments, making it an ideal choice for transporting wastewater in pumping stations. Additionally, ductile iron pipes have a long lifespan and require minimal maintenance, reducing the overall cost of operation and ensuring reliable and efficient wastewater transportation.

Q: Does the cast iron pipe need separate corrosion protection?: Ductile iron is characterized by its ease of decay and deformation, so if it is not a particular requirement, there is no need to do it alone

Q: What are the typical bedding and backfill requirements for ductile iron pipes?: To ensure the correct installation and long-term effectiveness of ductile iron pipes, it is important to adhere to the typical requirements for bedding and backfill. The bedding material should be a granular substance that provides support and evenly distributes the load on the pipe. Suitable materials include sand, gravel, or crushed stone. The bedding material should be placed uniformly and continuously along the bottom of the trench, with a minimum thickness of 6 inches. The width of the bedding layer should be at least 1.5 times the outer diameter of the pipe, or as specified by the pipe manufacturer. Once the bedding is in place, the remaining space around the pipe should be filled with backfill material. This material should also be granular and free from large stones, debris, or organic matter. It should be compacted in 6-inch increments using appropriate compaction equipment. The backfill should be evenly distributed around the pipe, ensuring there are no gaps or voids. Excessive compaction should be avoided to prevent damage or deformation of the pipe. The backfill material should extend at least 12 inches above the top of the pipe. In addition to following the bedding and backfill requirements, it is crucial to adhere to any specific guidelines provided by the pipe manufacturer. These guidelines may include recommendations for specific materials, compaction methods, or additional protective measures. Overall, proper bedding and backfilling of ductile iron pipes are essential for maintaining the structural integrity and preventing damage or failure. By following industry standards and manufacturer specifications, the pipes will perform effectively and last for a long time in various applications.

Q: What is the difference between a cast iron pipe and a ductile iron pipe?: Nodular cast iron has high strength and strong plasticity. The tensile strength of ductile iron is twice that of gray iron, and the yield strength even exceeds that of cast steel.

Q: Can ductile iron pipes be made of flexible waterproof sleeves?: The casing can be divided into ordinary casing to be 2-4 cm thick than the pipe to be used and fixed to the wall or plate, and the pipe passes through it. Flexible bushing - between the casing and pipe, with flexible material to seal the sealing effect. Rigid casing - that is, between the casing and pipe with rigid material sealed to achieve sealing effect. Waterproof casing - is the use of the casing of the environment is to prevent liquid leakage or leakage into place (such as the pool, septic tanks, basement, etc.) is on the outer wall of the bushing is not less than 1 times increase waterproof wing, this wall is poured in the casing as a whole, not because of swelling shrinkage factor and crack and leakage.

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