DUCTILE IRON PIPE C DN 80

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

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Supply Capability:: 30000Tons m/month

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CNBM ductile iron pipe ranges from DN80-DN1600mm (T-Type, Class K9), effective length 6m, comply with ISO2531 Standard

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 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 BS EN545/EN598/ISO2531/BS4772.

Specification& Payment terms

Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: Pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM gasket in accordance with ISO4633.

Packing: Pipes from DN100 to DN300 be bundled with steel belts, the others are in bulk.

Payment term: By 30% T/T advance payment + 70% Irrevocable L/C at sight.
Packing: In bulk vessel or in container.

Q:How is ductile iron pipe protected against external corrosion?: Ductile iron pipe is protected against external corrosion through a process called external coating. This involves applying a layer of protective coating, such as asphaltic or epoxy, on the outside surface of the pipe. The coating acts as a barrier, preventing moisture and corrosive substances from coming into contact with the iron, thus reducing the risk of corrosion. Additionally, cathodic protection methods, such as applying sacrificial anodes or using impressed current systems, may be employed to further enhance the corrosion resistance of the ductile iron pipe.

Q:What is the expected internal lining material for ductile iron pipes?: The expected internal lining material for ductile iron pipes is typically cement mortar or polyethylene.

Q:Are ductile iron pipes resistant to seismic events?: Yes, ductile iron pipes are generally resistant to seismic events. Ductile iron is a type of cast iron that is known for its high strength and durability. It has the ability to withstand significant external forces, including those caused by seismic events such as earthquakes. Ductile iron pipes are designed to be flexible and can absorb and dissipate the energy generated by seismic waves. This flexibility allows the pipes to withstand ground movements and vibrations without breaking or cracking. Additionally, the joints of ductile iron pipes are designed to provide some degree of flexibility, which further enhances their resilience against seismic events. Moreover, ductile iron pipes are constructed with thick walls, providing them with a high level of structural integrity. This strength makes them less susceptible to damage during seismic events and helps maintain the flow of water and other fluids even under extreme conditions. However, it is important to note that the resistance of ductile iron pipes to seismic events can also depend on various factors such as the magnitude and proximity of the earthquake, the quality of installation and maintenance, and the specific design considerations for the pipeline system. Therefore, it is crucial to ensure that proper engineering and construction practices are followed to maximize the resilience of ductile iron pipes in seismic-prone areas.

Q:Do ductile iron pipes require additional protection against external factors?: Yes, ductile iron pipes do require additional protection against external factors. While ductile iron is known for its strength and durability, it is still susceptible to corrosion and other external threats that can lead to pipe failure. One of the main external factors that ductile iron pipes need protection from is corrosion. Corrosion can occur due to the presence of certain chemicals in soil or water, and it can weaken the pipe over time. To protect against corrosion, ductile iron pipes are often coated with an external protective layer such as polyethylene or zinc. This coating acts as a barrier between the pipe and the corrosive elements, extending the lifespan of the pipe. In addition to corrosion, ductile iron pipes may also require protection against physical damage. These pipes are typically buried underground, making them vulnerable to external forces such as heavy machinery, ground movement, or even vandalism. To safeguard against physical damage, ductile iron pipes can be encased in concrete or surrounded by a protective sleeve or casing. Furthermore, ductile iron pipes may need protection against soil conditions that could potentially cause pipe movement or shifting. In areas with unstable soil, additional measures such as proper bedding and backfilling techniques, as well as the use of anchoring devices, may be necessary to ensure the stability and integrity of the pipes. In summary, while ductile iron pipes are robust, they still require additional protection against external factors. This can include corrosion protection, physical damage prevention, and measures to address soil conditions. By implementing these protective measures, the lifespan and performance of ductile iron pipes can be significantly extended, ensuring the reliable conveyance of water and other fluids.

Q:What is the expected buoyancy of ductile iron pipes?: The expected buoyancy of ductile iron pipes can vary depending on several factors such as the diameter, wall thickness, and the specific gravity of the fluid being transported. However, in general, ductile iron pipes are known for their relatively low buoyancy compared to other materials like plastic or concrete. Due to their higher density and weight, ductile iron pipes tend to have a greater resistance to buoyancy forces. This makes them suitable for applications where buoyancy is a concern, such as water and wastewater transmission systems. The combination of their inherent strength and weight helps to keep the pipes grounded and prevents them from floating or rising to the surface. It is important to note that even though ductile iron pipes have lower buoyancy compared to other materials, they may still experience some level of buoyancy in certain scenarios, especially when the fluid being transported has a lower specific gravity. To mitigate this potential issue, additional measures such as anchoring or ballasting may be employed to ensure the stability and integrity of the pipeline system. Overall, while the expected buoyancy of ductile iron pipes is generally low, it is crucial to consider the specific conditions and requirements of the project to determine the most appropriate pipe material and design for optimal performance and safety.

Q:Are ductile iron pipes suitable for landfill leachate collection?: Ductile iron pipes are indeed appropriate for collecting landfill leachate due to their excellent corrosion resistance, which is essential when dealing with corrosive substances present in the leachate. Additionally, these pipes possess remarkable strength and durability, enabling them to endure the pressure and stress exerted by the leachate collection system. Moreover, their ease of installation and maintenance is well-known, rendering them a pragmatic option for landfill leachate collection systems. In conclusion, ductile iron pipes possess the requisite properties and traits to efficiently and effectively gather landfill leachate.

Q:What is the typical lifespan of ductile iron pipes?: The typical lifespan of ductile iron pipes can range from 75 to 100 years, depending on various factors such as the quality of the installation, maintenance practices, and the conditions in which the pipes are exposed to.

Q:Can ductile iron pipes be used for water main extensions?: Yes, ductile iron pipes can be used for water main extensions. Ductile iron pipes are known for their strength and durability, making them a suitable choice for water main extensions. They can handle high pressure and provide resistance to corrosion, which is important for ensuring the longevity and reliability of the water distribution system. Additionally, ductile iron pipes have a smooth interior surface, reducing friction and improving water flow efficiency. Overall, ductile iron pipes are commonly used in water infrastructure projects, including water main extensions, due to their favorable mechanical properties and ability to withstand the demands of water distribution systems.

Q:Ductile cast iron can replace copper sleeve: Although the ductile cast iron with lubrication, but no lubrication or copper sleeve, Rongchang graphite copper sleeve, with self lubrication with high strength copper alloy (CuZn25Al5, CuZn24Al6Fe3Mn4) as the basic material, according to the use conditions according to a certain proportion in the work surface processing hole and fill in the solid lubricant, high strength copper alloy provide a high bearing capacity and solid lubricant can form low friction.

Q:Are ductile iron pipes suitable for installation in areas with high soil settlement and consolidation?: Ductile iron pipes are commonly used in areas where there is significant soil settlement and consolidation. One of the main advantages of these pipes is their ability to withstand external loads and accommodate ground movement. Compared to other pipe materials, ductile iron pipes are known for their strength and flexibility, making them more resistant to soil settlement and consolidation. They have a higher tensile strength and can withstand heavy loads and ground vibrations without cracking or breaking. This makes them suitable for areas with soil prone to settlement and consolidation. Moreover, ductile iron pipes have a high resistance to corrosion and can withstand aggressive soil conditions, which are often found in areas prone to settlement and consolidation. They are also less likely to be damaged by external factors such as roots or rocks, making them even more suitable for installation in such areas. However, it is important to consider the specific conditions of the site and consult with engineers or experts who are familiar with the local soil conditions. Factors such as the magnitude and rate of settlement, soil type, groundwater levels, and construction methods should be taken into account when determining whether ductile iron pipes are appropriate for installation in areas with high soil settlement and consolidation. In conclusion, ductile iron pipes are generally a suitable choice for installation in areas with high soil settlement and consolidation. Their strength, flexibility, resistance to corrosion, and ability to withstand external loads make them a reliable option for these conditions. Nevertheless, it is always recommended to assess the specific site conditions and consult with professionals to ensure the most appropriate pipe material is selected for each project.

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