ductile iron pipe of China Shape:Round

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

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 ductile iron 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 ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

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

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

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

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: What are the common pressure ratings for ductile iron pipes?: The common pressure ratings for ductile iron pipes typically range from 150 psi (pounds per square inch) to 350 psi.

Q: Can ductile iron pipe be used for water treatment plants?: Yes, ductile iron pipe can be used for water treatment plants. Ductile iron pipe is a commonly used material in the water industry due to its strength, durability, and corrosion resistance. It is suitable for various applications, including transporting water in water treatment plants. Ductile iron pipe can withstand high pressure and is well-suited for underground installations. It also has excellent resistance to corrosion from water and chemicals commonly used in water treatment processes. Additionally, ductile iron pipe is easy to install and maintain, making it a preferred choice for water treatment plants. Overall, ductile iron pipe is a reliable and cost-effective option for water transport in water treatment plants.

Q: Can ductile iron pipes be used in areas with high levels of hydrogen sulfide gas?: Ductile iron pipes can generally be used in areas with high levels of hydrogen sulfide gas, but it is important to consider certain factors before making a decision. Hydrogen sulfide gas is corrosive and can potentially cause damage to metal pipes over time. While ductile iron is known for its durability and corrosion resistance, prolonged exposure to high levels of hydrogen sulfide gas can still lead to corrosion and deterioration. To mitigate the risks associated with hydrogen sulfide gas, it is advisable to assess the specific conditions of the area beforehand. This includes conducting a comprehensive analysis of the hydrogen sulfide gas concentration, pH levels, temperature, and other factors that may influence corrosion. Consulting with experts or engineering professionals who specialize in corrosion control can provide valuable insights and guidance. In some cases, additional measures may be necessary to protect ductile iron pipes. Coating the interior and exterior surfaces of the pipes with protective materials, such as epoxy or polyethylene, can provide an extra layer of defense against corrosion. Alternatively, cathodic protection systems can be employed to protect the pipes by applying a low voltage electrical current that mitigates the corrosion process. Ultimately, the decision to use ductile iron pipes in areas with high levels of hydrogen sulfide gas should be based on a thorough understanding of the specific conditions and implementing appropriate corrosion prevention measures. Regular monitoring and maintenance should also be conducted to ensure the pipes are functioning optimally and to address any potential issues before they escalate.

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: 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 are the different joint types available for ductile iron pipes?: There are several different joint types available for ductile iron pipes. These joints play a crucial role in ensuring the integrity and reliability of the pipeline system. 1. Push-on Joint: This is the most common type of joint used for ductile iron pipes. It involves a rubber gasket that is placed inside the bell end of the pipe, and the spigot end is then pushed into the bell, creating a tight seal. This joint is quick and easy to assemble and provides excellent resistance to soil movement and water pressure. 2. Mechanical Joint: This joint involves a gland and follower that are tightened around the spigot end of the pipe using bolts and nuts. The mechanical joint provides a strong and durable connection and is commonly used for larger diameter pipes or in applications where higher pressure or thrust loads are expected. 3. Flanged Joint: Flanged joints are used when the pipes need to be connected to other components, such as valves or fittings. The ends of the pipes are machined and fitted with flanges that are bolted together using gaskets to create a secure connection. Flanged joints are often used in industrial applications or where frequent disassembly is required. 4. Restrained Joint: Restrained joints are designed to withstand higher thrust forces and prevent the pipe from separating or pulling apart. They typically utilize a combination of mechanical joint components, such as bolts and glands, along with additional restraining elements like welded or bolted-on restraints. These joints are commonly used in high-pressure applications or where the pipeline is subjected to significant external forces. It is important to select the appropriate joint type based on factors such as pipeline design, operating conditions, and installation requirements. Consulting with a knowledgeable engineer or pipe manufacturer can help determine the most suitable joint type for a specific ductile iron pipe application.

Q: How is ductile iron pipe protected against external corrosion?: Ductile iron pipe is protected against external corrosion through a variety of methods that ensure its durability and longevity. One common method is the application of protective coatings. The pipe is typically coated with a layer of zinc or asphaltic material, which acts as a barrier between the iron pipe and the surrounding environment. This coating helps to prevent direct contact between the pipe and corrosive elements such as soil, moisture, and chemicals, thereby reducing the risk of corrosion. Additionally, ductile iron pipes are often wrapped with a layer of polyethylene or polypropylene tape. This tape provides an extra layer of protection against external corrosion by serving as a physical barrier that shields the pipe from moisture and other potentially corrosive substances. The tape is applied with care to ensure complete coverage and adherence to the pipe's surface. Furthermore, cathodic protection is commonly employed to safeguard ductile iron pipes against external corrosion. This technique involves the installation of sacrificial anodes or impressed current systems near the pipe. These anodes generate a protective electrical current that counteracts the corrosion process, effectively inhibiting the deterioration of the pipe's surface. Lastly, proper installation practices play a crucial role in preventing external corrosion. It is essential to ensure that the pipe is buried at an appropriate depth, allowing for adequate soil coverage. This helps to minimize exposure to corrosive elements and maintain the integrity of the protective coatings. Additionally, proper backfilling techniques and the use of corrosion-resistant bedding materials can further enhance the pipe's resistance to external corrosion. In conclusion, ductile iron pipe is protected against external corrosion through a combination of protective coatings, tape wrapping, cathodic protection systems, and proper installation practices. These measures work together to provide a robust defense against the corrosive forces that the pipe may encounter, ensuring its longevity and reliability in various applications.

Q: What are the different sizes available for ductile iron pipes?: Ductile iron pipes are available in various sizes, typically ranging from 3 inches to 64 inches in diameter.

Q: Can ductile iron pipe be used for stormwater systems?: Ductile iron pipe is indeed suitable for stormwater systems. This material is widely utilized in various applications, including stormwater systems, due to its strength and durability. Its exceptional corrosion resistance makes it ideal for managing stormwater, which frequently contains debris and chemicals. Moreover, ductile iron pipe possesses impressive tensile strength, enabling it to withstand significant amounts of pressure and weight. Therefore, it is a dependable option for stormwater systems that may encounter substantial flow rates and occasional surges. Furthermore, ductile iron pipe is accessible in a variety of sizes and configurations, providing flexibility and adaptability when designing stormwater systems.

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