ductile iron pipe china 6M

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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: How do ductile iron pipes handle water hammer in high-rise buildings?: Ductile iron pipes are well-suited to handle water hammer in high-rise buildings due to their inherent strength and durability. These pipes have the ability to withstand sudden changes in water flow and pressure, effectively reducing the impact of water hammer. Additionally, ductile iron pipes have excellent sound attenuation properties, which further minimizes the noise and vibrations caused by water hammer. Overall, ductile iron pipes offer reliable and long-lasting performance, making them an ideal choice for managing water hammer in high-rise buildings.

Q: What are the typical pressure surge protection measures for ductile iron pipe?: To ensure the integrity and longevity of ductile iron pipe, various measures are commonly employed to protect against pressure surges. These measures encompass the following: 1. Surge tanks serve as effective tools for absorbing and mitigating the impact of pressure surges on ductile iron pipe. These tanks are typically positioned strategically at critical points in the pipeline system, such as near valves or pump stations, providing a reservoir to contain excess pressure. 2. Air release valves are indispensable components within ductile iron pipe systems, serving the purpose of releasing trapped air and preventing the formation of air pockets. These valves maintain a stable pressure within the pipe, reducing the risk of pressure surges during operation or abrupt changes in flow. 3. Pressure relief valves are designed to safeguard ductile iron pipes by releasing excessive pressure when it surpasses a predetermined threshold. These valves are usually installed at strategic locations in the pipeline system and programmed to open when the pressure exceeds a safe limit, diverting the excess pressure to safeguard the pipe from damage. 4. Surge suppressors are devices installed in ductile iron pipe systems to absorb and dissipate pressure surges. These devices function as shock absorbers, lessening the impact of pressure fluctuations and protecting the pipe from harm. Surge suppressors are particularly effective in situations where pressure surges occur frequently or are severe. 5. Ensuring an appropriate pipe wall thickness is another critical measure for pressure surge protection in ductile iron pipe. By selecting a pipe with the correct wall thickness, engineers can guarantee the pipe's ability to withstand the pressure surges it may encounter during operation. This measure helps prevent pipe failure or rupture caused by excessive pressure. It is essential to note that the specific pressure surge protection measures employed for ductile iron pipe may vary depending on factors such as the application, pipe size, operating conditions, and regulatory requirements. Consulting experts in pipeline engineering and design is imperative to determine the most suitable pressure surge protection measures for a particular ductile iron pipe system.

Q: What are the different lining thickness options for ductile iron pipe?: The specific application and project requirements typically dictate the various options for lining thickness in ductile iron pipes. Cement mortar lining, polyurethane lining, and polyethylene lining are among the most commonly used options. Cement mortar lining, which is widely employed in ductile iron pipes, involves the application of a layer of cement mortar on the inner surface of the pipe. This lining provides corrosion protection and enhances the hydraulic performance of the pipe. The thickness of cement mortar lining can vary from 3mm to 6mm. Polyurethane lining, another popular choice, is particularly suitable for applications requiring resistance to abrasion and chemical attack. It is usually applied using a spray or casting method, and the thickness can vary depending on project specifications. Typically, polyurethane linings range from 1mm to 4mm in thickness. Polyethylene lining, a relatively newer technology, is commonly used in applications where chemical corrosion resistance is crucial. The lining is applied using a rotational lining process, wherein a layer of molten polyethylene is evenly distributed on the internal surface of the pipe. The thickness of polyethylene lining can range from 2mm to 8mm, depending on project requirements. It is worth noting that the lining thickness can be tailored to meet specific project needs, including the corrosiveness of the transported fluid, operating conditions, and desired service life of the pipe. Consulting with a qualified engineer or pipe manufacturer is advisable to determine the most suitable lining thickness for a given application.

Q: What are the typical joint sealing requirements for ductile iron pipes?: When sealing joints in ductile iron pipes, two common methods are typically used: rubber gaskets and mechanical joints. Rubber gaskets are frequently chosen for their reliability and flexibility. They are typically made of synthetic rubber materials that are resistant to water, chemicals, and other environmental factors. On the other hand, mechanical joints are also commonly used for sealing joints in ductile iron pipes. These joints utilize a mechanical device to connect the pipes and create a watertight seal. They are designed to allow for some movement and flexibility, which is particularly important in areas prone to ground movement or settlement. In addition to using rubber gaskets or mechanical joints, it is crucial to properly clean and prepare the pipe surfaces before joining them. This involves removing any dirt, debris, or old joint material from the pipe ends to ensure a secure seal. Following the manufacturer's instructions, the joint should be assembled, ensuring that the gasket or mechanical joint is correctly positioned and tightened to the recommended torque. In summary, the typical requirements for sealing joints in ductile iron pipes involve the use of rubber gaskets or mechanical joints, thorough cleaning and preparation of the pipe ends, and adherence to the manufacturer's assembly instructions. These requirements are essential to achieve a durable and watertight joint that can withstand the pressures and environmental conditions commonly encountered in ductile iron pipe systems.

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: What is the ductile cast iron pipe: Have not heard of the nodular cast iron pipe pipe, ductile iron may be a tube or a certain short tube is referred to as excellent grade.

Q: How does ductile iron pipe perform in areas with high soil consolidation?: Ductile iron pipe performs exceptionally well in areas with high soil consolidation. The inherent strength and flexibility of ductile iron make it a suitable choice for underground installations where the soil tends to consolidate, or settle, over time. In areas with high soil consolidation, the ground often experiences significant movement and settling, which can pose challenges for buried infrastructure. However, ductile iron pipe's unique characteristics enable it to withstand these conditions. Firstly, ductile iron has a high tensile strength, which means it can resist external forces and pressures exerted by the surrounding soil. This strength allows the pipe to maintain its structural integrity even in areas with high soil consolidation. Secondly, ductile iron is highly resistant to deformation and can handle ground movement without cracking or breaking. The pipe's flexibility allows it to absorb the lateral forces associated with soil consolidation and prevents it from being damaged. Additionally, ductile iron pipe is known for its durability and long service life. It is resistant to corrosion, abrasion, and chemical attacks, further enhancing its performance in areas with high soil consolidation. This resistance ensures that the pipe remains intact and functional, even in challenging soil conditions. Moreover, ductile iron pipe's joints are designed to provide a secure and leak-free connection. This eliminates the risk of soil infiltration, which can potentially worsen soil consolidation and lead to further ground movement. In summary, ductile iron pipe performs exceptionally well in areas with high soil consolidation due to its strength, flexibility, durability, and leak-free joints. Its ability to withstand ground movement and maintain its structural integrity makes it a reliable option for underground installations in such conditions.

Q: The difference between spheroidal graphite cast iron pipe and HDPE water supply pipe: (4) HDPE pipes do not need corrosion protection. If the water supply pipeline is made of ductile iron pipe, the inner and outer walls of the ductile iron pipe shall be treated with corrosion protection.(5) the normal service life of the ductile iron pipe is 20~25 years after the pipe is treated by inner and outer walls. The HDPE tube has no corrosion, and the normal service life is 50 years.

Q: Can ductile iron pipes be used for underground wastewater outfalls?: Yes, ductile iron pipes can be used for underground wastewater outfalls. Ductile iron is a strong and durable material that can withstand the harsh conditions of underground installations, making it suitable for transporting wastewater efficiently and reliably.

Q: What is the external coating used in ductile iron pipes?: Ductile iron pipes usually have an external coating made of protective materials like zinc or asphalt. These coatings are applied to the pipe's surface to prevent corrosion and shield the iron from its surroundings. Zinc coatings, like hot-dip galvanizing, are widely employed because of their exceptional resistance to corrosion. Conversely, asphalt coatings offer a resilient and adaptable shield against corrosion and abrasion. The selection of the coating relies on factors such as the intended use, environmental circumstances, and project-specific requirements.

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