DUCTILE IRON PIPE C DN 80

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

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: Are ductile iron pipes suitable for use in irrigation gate systems?: Indeed, irrigation gate systems can benefit from the use of ductile iron pipes. Ductile iron, a variant of cast iron, boasts superior strength and flexibility, rendering it a reliable and long-lasting option for applications like irrigation gate systems. Ductile iron pipes are famed for their remarkable tensile strength and resistance to corrosion, features that are crucial for preserving the integrity of the irrigation system. Moreover, these pipes can endure high pressure and offer an extended lifespan, making them a cost-efficient solution for irrigation gate systems. In summary, the strength, durability, and corrosion resistance of ductile iron pipes make them highly suitable for use in irrigation gate systems.

Q: Can ductile iron pipes be used for irrigation canal lining?: Ductile iron pipes are suitable for use in irrigation canal lining due to their strength, durability, and resistance to external pressure and impact. These pipes can withstand harsh environmental conditions such as high water pressure, soil movement, and exposure to chemicals and corrosive elements. The smooth interior surface of ductile iron pipes allows for efficient water flow and reduces the risk of clogging or sediment buildup, ensuring a continuous water supply for crops or plants being irrigated. Moreover, ductile iron pipes are highly resistant to damage from roots, rocks, or other objects that may come into contact with the canal lining. This reduces the likelihood of leaks or breaks in the irrigation system, resulting in a reliable and efficient irrigation process. It is important to consider factors such as canal size and capacity, water pressure requirements, and specific project conditions when selecting ductile iron pipes for irrigation canal lining. Seeking guidance from a professional engineer or irrigation specialist can help determine the most suitable materials for the project's specific requirements.

Q: Are ductile iron pipes resistant to alkali attacks?: Ductile cast iron, commonly used in ductile iron pipes, has demonstrated its remarkable resistance to alkali attacks. This is achieved through the inclusion of specific chemical compositions that provide exceptional corrosion resistance. Alkali attacks, which arise from the interaction between alkaline substances and metals or other materials, are effectively countered by the dense and protective oxide film present on both the inner and outer surfaces of ductile iron pipes. This oxide film forms naturally over time and possesses a composition and structure that offer excellent resistance to alkali attacks. Moreover, to further enhance their ability to withstand corrosion and chemical reactions, ductile iron pipes are frequently coated with various protective layers, such as epoxy or zinc. It should be emphasized that although ductile iron pipes exhibit a high resistance to alkali attacks, the severity and concentration of the alkali substances can still impact their overall performance. In extreme instances, where there are exceedingly high concentrations of alkali substances or prolonged exposure to aggressive alkaline environments, some damage may occur to the protective layers of the pipes. Nonetheless, within normal conditions and acceptable parameters, ductile iron pipes are widely regarded as possessing outstanding resistance to alkali attacks.

Q: Can ductile iron pipes be used for pressure relief systems?: Yes, ductile iron pipes can be used for pressure relief systems. Ductile iron pipes are known for their strength, durability, and ability to withstand high pressure conditions. They have a high resistance to internal and external pressures, making them suitable for use in pressure relief systems. Additionally, ductile iron pipes can handle significant changes in pressure without compromising their structural integrity. Therefore, they are commonly used in applications where pressure relief systems are required, such as water supply networks, wastewater treatment plants, and industrial processes.

Q: How do ductile iron pipes handle extreme temperatures?: Ductile iron pipes are highly resistant to extreme temperatures. They can handle both high and low temperatures without any significant impact on their performance. This is due to the unique properties of ductile iron, including its high thermal conductivity and low thermal expansion coefficient. These characteristics allow the pipes to remain stable and durable, making them suitable for a wide range of temperature conditions.

Q: Can ductile iron pipes be used for trenchless installation methods?: Yes, ductile iron pipes can be used for trenchless installation methods. Trenchless installation methods are techniques used to install underground pipes without the need for extensive digging or trenching. Ductile iron pipes are a strong and durable choice for these methods due to their high tensile strength and flexibility. They can be installed using various trenchless techniques such as horizontal directional drilling (HDD), pipe bursting, and slip lining. These methods allow for efficient and cost-effective installation of ductile iron pipes without disrupting the surrounding environment. Additionally, the corrosion resistance of ductile iron pipes makes them suitable for trenchless installations in various soil conditions and environments.

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: How are ductile iron pipes transported and stored?: Ductile iron pipes are typically transported and stored in a careful manner to ensure their integrity. They are commonly transported by trucks, rail, or waterways, using appropriate handling equipment such as cranes or forklifts. During transportation, they are secured to prevent any damage or movement that could affect their structural integrity. When it comes to storage, ductile iron pipes are usually stacked horizontally on stable surfaces, such as concrete or pallets, to prevent any deformation or bending. They are often stored in covered areas to protect them from weather elements that could cause corrosion or other damages. Additionally, pipes should be stored in a well-ventilated space to prevent moisture accumulation and potential rusting. Regular inspections are also conducted during storage to identify any signs of damage or deterioration. Overall, proper transportation and storage practices are crucial to maintain the quality and longevity of ductile iron pipes.

Q: If the ductile iron pipe is broken, can we use rush repair?: In this way, manpower, material resources and financial resources can be saved, time can be saved, and unnecessary troubles to the citizens' water supply can also be reduced.

Q: How does ductile iron pipe handle thermal expansion and contraction?: Ductile iron pipe is well-known for its ability to handle thermal expansion and contraction effectively. This is primarily due to its unique material properties and design characteristics. Firstly, ductile iron pipe has a high coefficient of linear expansion, which means it expands and contracts relatively more compared to other materials when subjected to temperature changes. This property allows the pipe to accommodate thermal expansion and contraction without causing excessive stress or deformation. Additionally, ductile iron pipes are designed with flexible joints that can absorb the movement caused by thermal expansion and contraction. These joints, such as push-on or mechanical joints, provide a certain level of flexibility and allow the pipe to expand and contract within a specific range without compromising its structural integrity. Furthermore, the material composition of ductile iron itself contributes to its ability to handle thermal expansion and contraction. Ductile iron is a type of cast iron alloy that contains nodular graphite in its microstructure, providing it with enhanced ductility and tensile strength. This inherent ductility enables the pipe to withstand the stresses induced by thermal expansion and contraction without fracturing or breaking. Overall, ductile iron pipe is designed and manufactured to effectively handle thermal expansion and contraction. Its high coefficient of linear expansion, flexible joints, and ductile material properties all work together to ensure that the pipe can accommodate temperature changes without causing any significant issues or structural failures.

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