ductile iron pipe of chinaClass NBR

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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: Are ductile iron pipes suitable for pressure reducing valve stations?: Ductile iron pipes prove to be suitable for pressure reducing valve stations due to their strength and durability, making them an ideal choice for applications involving high pressure. Pressure reducing valve stations, which regulate and decrease the pressure of a fluid or gas in a pipeline system, can rely on ductile iron pipes to handle the exerted pressure, ensuring an efficient and reliable operation. Moreover, the excellent resistance to corrosion exhibited by ductile iron pipes is crucial in upholding the integrity of the pipeline system, thereby preventing leaks or failures. Overall, the necessary strength, durability, and corrosion resistance required for pressure reducing valve stations are provided by ductile iron pipes.

Q: Do ductile iron pipes require special handling during transportation?: Transporting ductile iron pipes requires special handling. While these pipes are known for their strength and durability, improper handling can result in damage. Due to their weight and size, it is crucial to use appropriate lifting and handling equipment. Dropping or impacting the pipes must be avoided to prevent cracks or fractures. Moreover, pipes should be stored and transported securely to prevent rolling or shifting, which could harm the pipe coating and fittings. Additionally, it is advisable to shield the pipes from extreme temperatures or adverse weather conditions during transportation. Adhering to these guidelines and taking necessary precautions will minimize the risk of damage during transportation.

Q: Can ductile iron pipes be used for trench crossings?: Indeed, trench crossings can utilize ductile iron pipes. Renowned for their remarkable strength and durability, ductile iron pipes prove to be fitting for a diverse array of purposes, including trench crossings. Their capacity to endure substantial burdens and external pressures renders them an optimal selection for subterranean installations. Moreover, ductile iron pipes boast exceptional resistance to corrosion, guaranteeing their enduring and dependable performance in the context of trench crossings.

Q: Can ductile iron pipe be used for water treatment plant applications?: Yes, ductile iron pipe can be used for water treatment plant applications. Ductile iron pipe is known for its durability, strength, and corrosion resistance, making it suitable for transporting and distributing treated water within a water treatment plant.

Q: How does ductile iron pipe resist internal corrosion?: The resistance of ductile iron pipe to internal corrosion is achieved through a combination of distinct material properties and the use of protective coatings. To start, ductile iron, also known as nodular cast iron, is created by incorporating magnesium into molten iron, resulting in a graphite structure that is nodular or spherical in shape. This unique structure enhances the material's flexibility and elasticity, reducing the likelihood of cracking or fracturing when subjected to stress. Moreover, ductile iron possesses a dense microstructure with a high carbon content, serving as a barrier that prevents corrosive elements from penetrating the surface of the pipe. This inherent resistance to corrosion makes ductile iron pipe suitable for transporting various fluids, including water, sewage, and chemicals, without the risk of deterioration over time. Additionally, ductile iron pipes are often lined with protective coatings internally, further augmenting their resistance to corrosion. These coatings, such as cement mortar or epoxy, form a barrier between the pipe's surface and the fluid it carries, minimizing direct contact and decreasing the likelihood of corrosion. These linings are implemented during the manufacturing process, ensuring consistent and durable protection along the entire length of the pipe. In conclusion, ductile iron pipe successfully resists internal corrosion due to its material composition, including the nodular graphite structure and high carbon content, as well as the application of protective coatings. This combination of factors guarantees the longevity and dependability of ductile iron pipes in various applications, even in environments prone to corrosion.

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: How do ductile iron pipes handle soil erosion?: Ductile iron pipes are renowned for their exceptional strength and durability, rendering them highly resistant to the erosion of soil. The specific engineering of the material used in these pipes ensures their ability to withstand the detrimental effects of soil erosion, thereby guaranteeing long-lasting and dependable infrastructure. The composition of ductile iron pipes comprises a blend of iron, carbon, and other alloying elements, providing the necessary strength and resilience to withstand the forces exerted by soil erosion. These pipes possess a greater tensile strength than conventional cast iron pipes, enabling them to withstand pressure without deforming or cracking. Furthermore, ductile iron pipes boast a protective layer known as cement mortar lining, which acts as a barrier between the pipe and the surrounding soil. This lining offers an additional layer of resistance against corrosion and erosion caused by the chemical composition or abrasive particles present in the soil. Consequently, ductile iron pipes remain intact and continue to function effectively, even in areas experiencing high rates of soil erosion. In terms of installation, ductile iron pipes are specifically designed to be buried underground, ensuring their robust protection from direct contact with the soil. Additionally, their jointing systems are designed to provide secure and watertight connections, minimizing the risk of soil infiltration and subsequent erosion. Overall, ductile iron pipes have a proven track record of effectively combating soil erosion due to their superior strength, protective linings, and appropriate installation techniques. They offer a reliable and long-lasting solution for water and wastewater infrastructure, even in regions prone to soil erosion.

Q: What are some common applications for ductile iron pipe?: Ductile iron pipe, known as DI pipe, is extensively utilized in a variety of applications because of its durability, strength, and ability to resist corrosion. The following are some common uses of ductile iron pipe: 1. Water Distribution: DI pipe is widely employed in the distribution of clean water. Its high tensile strength enables it to withstand high water pressure, making it perfect for water mains, water transmission lines, and water distribution networks. 2. Sewer Systems: DI pipe is commonly utilized in sewer systems because of its corrosion resistance and ability to handle heavy loads. It is often used for gravity sewer lines, force mains, and stormwater systems. 3. Industrial Applications: DI pipe is used in various industrial settings, such as power plants, chemical plants, and refineries. It is utilized for the transportation of water, wastewater, and other fluids in these industries. 4. Irrigation Systems: Due to its strength and long lifespan, DI pipe is suitable for irrigation systems, particularly in agricultural areas. It is used to transport water for irrigation purposes, ensuring efficient water distribution in fields and farms. 5. Fire Protection Systems: DI pipe is commonly employed in fire protection systems, including fire hydrants, fire sprinkler systems, and fire suppression systems. Its robustness and ability to withstand high pressure make it an excellent choice for reliable and effective fire protection. 6. Pumping Stations: DI pipe is frequently utilized in pumping stations, which are crucial for various water-related applications. It is used in water intake systems, wastewater pumping stations, and water treatment plants to efficiently transport water and wastewater. 7. Municipal Infrastructure: DI pipe is widely used in municipal infrastructure projects, such as road drainage systems, culverts, and bridge crossings. Its strength, durability, and ability to withstand external loads make it suitable for these applications. 8. Gas Distribution: Although primarily used for water-related applications, DI pipe is also utilized for the distribution of natural gas and other gases. It is preferred for gas distribution due to its resistance to corrosion and ability to withstand high-pressure environments. In conclusion, ductile iron pipe has a wide range of applications and is preferred in situations that require strength, durability, and resistance to corrosion. Its versatility and reliability make it a popular choice for various infrastructure projects and industrial applications.

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: How do ductile iron pipes handle water hammer?: Ductile iron pipes possess excellent resistance to water hammer, which is the sudden increase in pressure and velocity of water flow in a pipe system. This occurrence happens when there is an abrupt change in water velocity, like the sudden closure of a valve or the immediate shutdown of a pump. The design of ductile iron pipes enables them to withstand high-pressure surges caused by water hammer. Their increased strength and flexibility allow them to absorb and dissipate the energy generated during these pressure surges. The material's ductility permits the pipe to undergo slight deformation when impacted by water hammer, preventing the pipe from rupturing or breaking. Moreover, ductile iron pipes possess inherent damping properties that make them more effective at absorbing and dissipating the energy of water hammer compared to other pipe materials. This aids in reducing the intensity and duration of pressure surges, thereby minimizing potential damage to the pipe system and its components. Furthermore, ductile iron pipes often come equipped with various fittings and accessories that further enhance their capability to handle water hammer. These include specialized joint designs like restrained joints or flexible couplings, which provide additional flexibility and resistance to pressure surges. In summary, ductile iron pipes are specifically engineered to address the challenges presented by water hammer. Their strength, flexibility, damping properties, and specialized fittings make them an ideal choice for applications where water hammer is a concern, offering a reliable and durable solution for water distribution systems.

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