DUCTILE IRON PIPE C Class DN 900

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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:Can ductile iron pipes be used for stormwater management?: Yes, ductile iron pipes can be used for stormwater management. Ductile iron is a strong and durable material that can withstand the pressure and load of stormwater. It is resistant to corrosion, making it suitable for long-term use in stormwater management systems. Additionally, ductile iron pipes have a smooth interior surface, facilitating a smooth flow of water and reducing the risk of blockages.

Q:How do ductile iron pipes handle pressure surges in pumping stations?: Ductile iron pipes are known for their strength and durability, making them well-equipped to handle pressure surges in pumping stations. These pipes have a high resistance to impact and are designed to withstand the sudden increase in pressure that occurs during surge events. Additionally, their flexible nature allows them to absorb and distribute the force exerted by the surge, minimizing the risk of pipe failure or damage. Overall, ductile iron pipes are a reliable choice for handling pressure surges in pumping stations.

Q:Can ductile iron pipes be used for underground cable conduits?: Yes, ductile iron pipes can be used for underground cable conduits. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for various applications, including underground cable conduits. Their ability to withstand heavy loads and external pressures makes them a reliable choice for protecting and housing underground cables.

Q:Do ductile iron pipes require special maintenance?: Yes, ductile iron pipes do require special maintenance. While ductile iron is known for its strength and durability, it is still susceptible to certain forms of corrosion. Regular maintenance is necessary to prevent corrosion and prolong the lifespan of the pipes. This maintenance typically includes periodic inspections to check for any signs of corrosion or damage, as well as cleaning and protective coating applications. Additionally, proper handling and installation techniques should be followed to ensure the integrity of the pipes. Regular maintenance and adherence to industry best practices can help prevent leaks, breaks, and other issues, ultimately saving time and money in the long run.

Q:Do ductile iron pipes require internal linings for potable water?: No, ductile iron pipes do not require internal linings for potable water.

Q:Can ductile iron pipes be used for submarine pipelines?: Submarine pipelines can indeed utilize ductile iron pipes. Ductile iron, celebrated for its robustness and durability, proves suitable for a range of applications, including those submerged underwater. For decades, ductile iron pipes have been successfully employed in the construction of submarine pipelines. They possess the ability to endure the harsh conditions prevalent in underwater environments, such as corrosion, pressure, and shifting seabeds. Furthermore, ductile iron pipes display exceptional resistance to external loads, rendering them ideal for submarine pipelines that bear the weight of water and potential impacts. However, it remains imperative to consider factors such as coating, cathodic protection, and proper installation techniques to ensure the long-term performance and integrity of the submarine pipeline.

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:DN300 how long is it for water polo and iron pipes?: Cast iron pipe (Cast Iron Pipe) with the cast iron casting pipe cast iron pipe for water supply and drainage gas pipeline pipe fittings including cast iron casting with fatigue strength by continuous cast iron pipe from the cast iron pipe from the cast iron pipe sand metal two according to material with grey cast iron pipe, ductile iron pipe at the interface with flexible sealing interface LAN interface, self anchored interface, interface of the rigid flexible cast iron pipes rubber ring;

Q:How do ductile iron pipes handle ground movement or settlement?: Ductile iron pipes are renowned for their remarkable strength and flexibility, enabling them to effectively manage ground movement or settlement. Ground movement or settlement pertains to the natural shifts or settling of the earth's surface, which can exert stress on subterranean infrastructure such as pipes. Concerning ground movement, ductile iron pipes possess the advantage of enduring and absorbing the pressure and movement caused by shifting soil. The material's ductility permits the pipes to flex and bend to a certain extent without fracturing. This flexibility aids in distributing the load and minimizing the potential for harm. Additionally, ductile iron pipes exhibit high resistance to cracking or fracturing, even under extreme circumstances. This resilience stems from the material's unique microstructure, which imparts excellent tensile strength and impact resistance. Consequently, ductile iron pipes can withstand external forces and ground settlement without compromising their integrity. To further augment their capacity to handle ground movement or settlement, ductile iron pipes are frequently installed using flexible joints. These joints allow for slight movement and accommodate any shifting or settling of the ground. Furthermore, proper bedding and backfilling techniques are employed during installation to provide added support and stability. Overall, ductile iron pipes possess a proven track record in managing ground movement or settlement. Their strength, flexibility, and resistance to cracking establish them as a dependable choice for subterranean infrastructure, ensuring the durability and efficiency of water distribution systems.

Q:How do ductile iron pipes handle differential settlement?: Ductile iron pipes are known for their exceptional durability and ability to withstand various environmental conditions, including differential settlement. Differential settlement refers to the uneven settling of the ground, which can often lead to stress and strain on underground pipes. Ductile iron pipes are specifically designed to handle such settlement issues due to their inherent flexibility and strength. These pipes have the ability to flex and accommodate slight ground movements without causing significant damage or failure. The flexibility of ductile iron pipes allows them to distribute the stress and strain caused by differential settlement more uniformly along their length. This feature helps prevent concentrated stress points that could potentially lead to cracks or fractures in the pipe. Additionally, the inherent strength of ductile iron pipes provides them with the necessary resistance to withstand the forces generated by differential settlement. The pipes' robust construction and high tensile strength make them less susceptible to deformation or damage caused by ground movements. Furthermore, ductile iron pipes are commonly installed with flexible joints, such as rubber gaskets or push-on joints. These joints allow for some movement and accommodate any slight misalignment or settlement that may occur. By providing flexibility at the joints, the pipes can better adapt to changes in ground conditions and reduce the risk of failure. In summary, ductile iron pipes are well-equipped to handle differential settlement due to their flexibility, strength, and the use of flexible joints. These features ensure that the pipes can withstand ground movements and continue to function effectively without compromising their integrity or longevity.

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