DUCTILE IRON PIPE C DN 450

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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: Ways of connecting ductile iron pipes: In accordance with the wall thickness or pressure capacity, ductile iron pipe is divided into K8, K9, K10, K11, K12 four class, where the contract does not indicate, according to K9 supply.

Q: Can ductile iron pipes be used in high-pressure applications?: High-pressure applications can indeed utilize ductile iron pipes. These pipes boast impressive strength and durability, which renders them suitable for managing high-pressure fluids or gases. When compared to alternative pipe types like PVC or HDPE, ductile iron pipes possess a higher pressure rating. Moreover, they exhibit excellent resistance to external loads and have the capacity to endure high internal pressures. Water and wastewater systems frequently employ these pipes, alongside industrial settings that encounter high-pressure conditions. Nevertheless, it is crucial to guarantee that ductile iron pipes utilized in high-pressure scenarios adhere to the necessary standards and specifications to assure safe and dependable operation.

Q: Can ductile iron pipe be used for high-pressure gas systems?: Ductile iron pipe is a viable option for high-pressure gas systems due to its remarkable strength and durability. Its ability to withstand high pressures makes it suitable for applications requiring such systems. It possesses outstanding mechanical properties, including high tensile strength, yield strength, and impact resistance. These properties enable it to endure the pressures associated with gas transmission. Additionally, its resistance to corrosion ensures its reliability for long-term use in high-pressure gas systems. However, to ensure optimal safety and performance, it is crucial to consider the specific requirements and regulations of the gas system and seek guidance from industry professionals for correct installation and maintenance of the ductile iron pipe.

Q: How do ductile iron pipes handle soil movement?: Ductile iron pipes are known for their excellent strength and durability, making them highly capable of handling soil movement. These pipes are designed to resist external loads and pressures caused by soil settlement, ground shifting, or other environmental factors. One of the key features of ductile iron pipes is their flexibility. Unlike rigid materials such as cast iron or concrete pipes, ductile iron pipes have a certain level of elasticity that allows them to withstand soil movement without cracking or breaking. This flexibility enables the pipes to absorb the stresses induced by the soil, preventing any significant damage to the pipeline system. Furthermore, ductile iron pipes possess high tensile strength, which means they can resist pulling forces resulting from soil movement. The pipes can withstand the expansion and contraction of the surrounding soil, reducing the risk of pipe deformation or failure. Moreover, ductile iron pipes are often installed with proper bedding and backfilling techniques to further enhance their ability to handle soil movement. Adequate bedding materials, such as crushed stone or sand, are used to provide stable support to the pipes and distribute the external loads evenly. This helps to minimize the impact of soil movement on the pipes and maintain their structural integrity. In summary, ductile iron pipes are designed to effectively handle soil movement due to their flexibility, high tensile strength, and proper installation methods. These pipes can withstand the stresses induced by soil settlement, ground shifting, or other soil-related factors, ensuring reliable and long-lasting performance in various environmental conditions.

Q: Are ductile iron pipes suitable for use in wastewater pumping stations?: Yes, ductile iron pipes are suitable for use in wastewater pumping stations. Ductile iron is a strong and durable material that can withstand the harsh conditions and corrosive nature of wastewater. It has excellent resistance to corrosion and can handle high-pressure environments, making it an ideal choice for transporting wastewater in pumping stations. Additionally, ductile iron pipes have a long lifespan and require minimal maintenance, reducing the overall cost of operation and ensuring reliable and efficient wastewater transportation.

Q: Method for joining cast iron pipes: The connection between the pipe and the pipe adopts the form of socket type or flange disk interface. According to the function, it can be divided into two kinds: flexible interface and rigid interface. The flexible interface is sealed with rubber ring, which allows a certain degree of corner and displacement, so it has good seismic resistance and tightness. It is easy and quick to install than rigid interface. It has little labor intensity according to the casting method.

Q: Can ductile iron pipes be used in areas with high levels of industrial effluents?: Yes, ductile iron pipes can be used in areas with high levels of industrial effluents. Ductile iron is a type of cast iron that has enhanced flexibility and strength, making it highly resistant to corrosion and abrasion. This makes it suitable for handling various types of industrial effluents, including those with high levels of chemicals, acids, or other corrosive substances. Ductile iron pipes have a protective lining, such as cement mortar or polyethylene, which further enhances their resistance to chemical attack. These linings prevent the effluents from coming into direct contact with the iron material, ensuring the longevity and integrity of the pipes. Moreover, ductile iron pipes have been used extensively in industrial applications where corrosive environments are present. They have proven to be durable and reliable, with a long service life, even in challenging conditions. Proper maintenance and regular inspections are essential to ensure the continued performance of ductile iron pipes in areas with high levels of industrial effluents. It is crucial to consider the specific characteristics of the effluents and consult with experts or manufacturers to determine the most suitable pipe materials and linings for the particular industrial environment.

Q: What are the typical maintenance requirements for ductile iron pipe?: The typical maintenance requirements for ductile iron pipe involve regular inspection, cleaning, and repair. Inspection is a crucial aspect of maintaining ductile iron pipe and should be conducted periodically to identify any signs of damage, corrosion, or leaks. This can be done through visual inspection, as well as the use of non-destructive testing techniques like ultrasonic or magnetic particle testing. Regular inspections help in detecting and addressing any issues before they escalate and cause significant damage. Cleaning is another important maintenance requirement for ductile iron pipe. Over time, sediment, scale, and other debris can accumulate inside the pipe, reducing its flow capacity and potentially causing blockages. Regular cleaning using methods like high-pressure water jetting or mechanical cleaning can help remove these deposits, ensuring optimal flow and preventing any issues related to reduced water flow or pressure. Repairing any damage or corrosion is an essential maintenance requirement for ductile iron pipe. If any cracks, leaks, or other forms of damage are detected during the inspection, prompt repair is necessary to prevent further deterioration and potential failure. Depending on the extent of the damage, repairs can include methods like welding, epoxy lining, or even replacement of the affected section of the pipe. In addition to these specific maintenance requirements, it is also important to implement a comprehensive maintenance program that includes preventative measures. This may involve measures like cathodic protection, which helps prevent corrosion, or the application of protective coatings to extend the lifespan of the pipe. Overall, regular inspection, cleaning, and repair are the typical maintenance requirements for ductile iron pipe. Adhering to these maintenance practices ensures the longevity, reliability, and optimal performance of the pipe system, minimizing the risk of failures and disruptions.

Q: What is the expected deflection limit of ductile iron pipes?: The expected deflection limit of ductile iron pipes is typically around 2% of the pipe's diameter, as per industry standards.

Q: Can ductile iron pipes be used in areas with high soil acidity and alkalinity?: Yes, ductile iron pipes can be used in areas with high soil acidity and alkalinity. Ductile iron is highly resistant to corrosion and can withstand extreme pH levels, making it suitable for such environments.

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