DUCTILE IRON PIPE C DN 700

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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:What is the purpose of ductile iron pipes?: Ductile iron pipes serve the crucial function of establishing a dependable and sturdy infrastructure for fluid transportation, including water, sewage, and gas. In comparison to steel or PVC pipes, ductile iron pipes offer notable advantages. One primary objective lies in ensuring the secure and efficient distribution of water to communities. Ductile iron pipes are specifically designed to endure high pressures and endure the challenging conditions found underground, rendering them an excellent choice for water supply systems. With their extended lifespan and minimal maintenance requirements, the necessity for frequent repairs or replacements is greatly reduced. Another purpose involves the efficient conveyance of sewage and wastewater. Ductile iron pipes possess exceptional resistance to corrosion, guaranteeing their ability to withstand the corrosive properties of sewage and other waste materials. Additionally, their structural strength enables them to endure heavy loads and ground movements, making them well-suited for underground sewer systems. Ductile iron pipes are also employed for gas transportation. Their remarkable mechanical properties empower them to withstand applications involving high pressures, making them the ideal choice for gas distribution networks. Furthermore, their durability and resistance to external factors like soil movement or temperature changes establish them as a reliable option for gas transmission systems. In essence, the overarching purpose of ductile iron pipes is to provide a resilient and enduring solution for the safe and efficient transportation of fluids. By contributing to the development and maintenance of essential infrastructure systems, they effectively support the needs of our communities.

Q:How are ductile iron pipes made?: The manufacturing of ductile iron pipes involves a specific process called centrifugal casting. In this process, molten iron is poured into a rotating mold, typically made of steel. The rotation of the mold creates centrifugal force, which evenly distributes the molten iron, resulting in high-quality pipes. To start the manufacturing process, a mixture of scrap iron, steel, and recycled material is melted at extremely high temperatures in a furnace. Once the molten iron reaches the desired temperature and consistency, it is ready to be cast into pipes. To prevent the molten iron from cooling too quickly, the rotating mold is preheated. This preheating also contributes to achieving a smooth surface finish on the pipes. The molten iron is then poured into the rotating mold through a central sprue. As the mold spins, centrifugal force forces the molten iron against the inner walls of the mold. This rapid solidification results in dense, strong, and corrosion-resistant pipes. The centrifugal force also helps remove impurities or slag from the inner surface of the pipe, further enhancing its quality. Once the casting process is complete, the mold is allowed to cool, and the pipe is removed. The pipes undergo various tests to ensure they meet the required quality standards. These tests include checking dimensions, mechanical properties, and surface finish. After passing the quality tests, ductile iron pipes are typically coated with a protective lining to prevent corrosion and extend their lifespan. The type of lining used, such as cement mortar, epoxy, or polyethylene, depends on the intended application of the pipes. In conclusion, the centrifugal casting process is utilized to manufacture ductile iron pipes. This process ensures the production of high-quality pipes that are strong, corrosion-resistant, and have a smooth surface finish.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater contamination and soil erosion?: Yes, ductile iron pipes are suitable for installation in areas with high groundwater contamination and soil erosion. Ductile iron pipes are known for their durability and resistance to corrosion, making them highly suitable for such conditions. Additionally, their ability to withstand external pressure and soil movement makes them a reliable choice in areas prone to soil erosion.

Q:Luo what effect of ductile cast iron: Chromium can improve the hardness, strength and wear resistance of nodular iron, and increase bainite in bainite ductile iron.

Q:Can ductile iron pipes be used for geothermal energy systems?: Certainly, geothermal energy systems can utilize ductile iron pipes. Ductile iron, being a robust and long-lasting substance, possesses the capacity to endure the frequently encountered elevated temperatures and pressures in geothermal energy systems. Its ability to resist corrosion and exhibit high tensile strength renders it a perfect selection for conveying geothermal fluids. Furthermore, the ease of joining ductile iron pipes permits flexibility and adaptability during the design and installation phases. All in all, ductile iron pipes prove to be a trustworthy and economically viable alternative for geothermal energy systems.

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 use of ductile iron?: Ductile iron is used as a conduit at the beginning. Iron pipes and fittings are mostly produced by major industrial countries. Their manufacture, design and use are in line with national standards and international standards and procedures (I502531). As far as water and other liquids are concerned, it has long been proved that ductile iron pipes are superior to gray iron pipes. The main reason for this change is the combination of strength and toughness of Ferritic Ductile Iron, which makes the pipes made of this material subject to high operating pressures and can be readily loaded and laid during laying. A gas pipeline must be able to withstand multiple use requirements, which stand near the pipeline excavation and municipal engineering construction and transportation, where the ball iron pipes with high strength, high performance and simple installation and connection technology has proved that this material selection is decisive.

Q:Can ductile iron pipe be used in corrosive environments?: Ductile iron pipe is capable of being utilized in environments that are corrosive. Ductile iron is renowned for its ability to withstand corrosion and has been extensively employed in diverse applications where resistance to corrosion is necessary. The resistance of ductile iron to corrosion is attributed to the formation of a natural protective oxide layer on its surface, which acts as a barrier against corrosive substances. Furthermore, ductile iron pipes can be coated with different protective coatings such as polyethylene or epoxy to augment their resistance to corrosion. These coatings furnish an additional layer of protection, rendering ductile iron pipes appropriate for deployment in highly corrosive settings like wastewater treatment plants, industrial plants, and marine applications. Nevertheless, it is crucial to take into account the specific corrosive substances present in the environment and seek guidance from experts or adhere to industry standards to guarantee the proper implementation of coating and maintenance practices for long-term performance and durability.

Q:Can ductile iron pipes be used for agricultural applications?: Yes, ductile iron pipes can be used for agricultural applications. Ductile iron is a strong and durable material that is resistant to corrosion, making it suitable for various agricultural purposes. These pipes can be used for irrigation systems, drainage systems, water supply systems, and other agricultural infrastructure projects. Ductile iron pipes have a high tensile strength and can withstand the external pressures and stress that may occur in agricultural environments. Additionally, they have a long lifespan, reducing the need for frequent replacements, and are capable of handling high water flow rates. Therefore, ductile iron pipes are a reliable choice for agricultural applications.

Q:How are ductile iron pipes tested for quality assurance?: Ductile iron pipes are tested for quality assurance through various methods such as hydrostatic testing, visual inspection, and mechanical testing. Hydrostatic testing involves subjecting the pipes to high-pressure water to check for any leaks or weaknesses. Visual inspection is carried out to identify any surface defects or irregularities that may affect the quality of the pipe. Mechanical testing includes conducting tensile strength tests, elongation tests, and hardness tests to ensure that the pipes meet the required standards and can withstand the intended application. These testing procedures help ensure the quality and reliability of ductile iron pipes.

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