ductile iron pipe china 30-45 days

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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:What are the advantages and disadvantages of spheroidal graphite cast iron?: Compared with cast iron, ductile iron has an absolute advantage in strength. The tensile strength of ductile iron is 60K, while the tensile strength of cast iron is only 31k. The yield strength of ductile iron is 40K, while the cast iron does not show yield strength, and eventually breaks. The strength to cost ratio of ductile iron is far superior to that of cast iron.

Q:How are ductile iron pipes protected against external damage?: Various protective measures are employed to shield ductile iron pipes from external damage. One commonly used method entails applying a protective coating to the pipe's outer surface. This coating acts as a barrier, preventing direct contact between the pipe and corrosive elements in the surrounding environment. Materials like epoxy, polyurethane, or zinc, which exhibit excellent resistance against corrosion, abrasion, and chemical attacks, can be utilized for this purpose. Furthermore, an additional layer of protection can be provided by encasing ductile iron pipes in a concrete or cement mortar lining. This lining not only reduces the likelihood of physical damage caused by external impacts or soil movement but also enhances the pipe's hydraulic performance by minimizing friction and maintaining a smooth flow of fluids. In addition, proper bedding and backfilling techniques are employed during the installation of ductile iron pipes. This involves using appropriate materials such as sand or gravel to support and stabilize the pipe, thereby minimizing the risk of external damage resulting from uneven ground settlement or heavy loads. Compacting the backfill material adequately is vital to ensure the long-term integrity and stability of the pipe. Regular inspection and maintenance are also crucial for safeguarding ductile iron pipes against external damage. Routine inspections can identify any signs of corrosion, coating deterioration, or physical harm, enabling timely repairs or replacement before significant issues arise. Additionally, employing proper cathodic protection systems can counteract electrochemical reactions occurring on the pipe's surface, preventing corrosion by applying an electric current. To summarize, the protection of ductile iron pipes against external damage encompasses the application of protective coatings, concrete or cement mortar linings, appropriate bedding and backfilling techniques, and regular inspections and maintenance. These measures collectively ensure the durability, longevity, and dependable performance of ductile iron pipes in various environments and applications.

Q:Can ductile iron pipe be used for stormwater management systems?: Yes, ductile iron pipe can be used for stormwater management systems. Ductile iron pipe is commonly used in various applications, including stormwater drainage systems. It is known for its strength, durability, and resistance to corrosion, making it ideal for withstanding the harsh conditions of stormwater management. Additionally, ductile iron pipe is easily installed and maintained, making it a cost-effective choice for stormwater management systems. Overall, ductile iron pipe is a reliable and suitable option for constructing stormwater management systems.

Q:What is the maximum allowable deflection for ductile iron pipes?: The maximum allowable deflection for ductile iron pipes is typically specified by industry standards and guidelines, such as those provided by the American Water Works Association (AWWA) and the Ductile Iron Pipe Research Association (DIPRA). These standards specify the maximum allowable deflection as a percentage of the pipe's outside diameter. According to AWWA C150/A21.50 and DIPRA's Technical Bulletin No. 10, the maximum allowable deflection for ductile iron pipes can vary depending on factors such as pipe size, wall thickness, and soil conditions. However, a common rule of thumb is that the maximum allowable deflection should not exceed 3% of the pipe's outside diameter. It is important to note that exceeding the maximum allowable deflection can result in potential structural issues and reduced performance of the ductile iron pipe. Therefore, it is crucial to adhere to the industry standards and guidelines to ensure the proper installation and functioning of ductile iron pipes.

Q:Can ductile iron pipes be used for underground compressed air systems?: Yes, ductile iron pipes can be used for underground compressed air systems. Ductile iron pipes have high strength and durability, making them suitable for various applications including underground installations. They are corrosion-resistant, which is essential for underground systems where moisture and other environmental factors can cause damage over time. Additionally, ductile iron pipes have the ability to withstand high pressure, making them a reliable choice for compressed air systems. However, it is important to ensure that the pipes are properly installed, with proper support and protection to prevent damage or leaks. Regular maintenance and inspection should also be conducted to ensure the longevity and efficiency of the underground compressed air system.

Q:What are the common causes of failure in ductile iron pipes?: There are several common causes of failure in ductile iron pipes. One major cause is corrosion. Over time, the exposure to water, soil, and other environmental factors can lead to the formation of rust and corrosion on the pipe's surface. This can weaken the structural integrity of the pipe and eventually lead to failure. Another common cause is improper installation or handling. If the pipes are not installed correctly or if they are mishandled during transportation or installation, it can result in cracks, fractures, or other physical damage. These defects can compromise the functionality of the pipe and contribute to its failure. Inadequate design is another factor that can lead to failure. If the pipe is not designed to withstand the anticipated loads, pressures, or environmental conditions, it can become susceptible to premature failure. The pipe's material properties, wall thickness, and diameter must be carefully considered during the design process to ensure it can handle the expected demands. Poor maintenance and lack of timely repairs can also contribute to failure. Regular inspections, maintenance, and prompt repairs are necessary to identify and address any issues before they escalate. Failure to do so can result in the gradual deterioration of the pipe, making it more prone to failure. Lastly, external factors such as soil movement, seismic activity, or excessive traffic loads can also cause failure in ductile iron pipes. These external forces can exert stress on the pipe, leading to cracks, fractures, or even complete failure. To prevent failure in ductile iron pipes, it is essential to employ proper corrosion protection techniques, follow correct installation procedures, ensure adequate design considerations, implement regular maintenance and repair programs, and account for external factors during the planning and installation process.

Q:What is the manufacturing process of ductile iron pipes? Thank you: Made of nodular cast iron: a strict chemical composition, the content of silicon in molten iron requirements than the original carbon gray cast iron, nodular cast iron in reduced manganese, phosphorus, sulfur content of two liquid iron tapping temperature cast iron is higher than the ash, than the compensation sphere, conceived at the disposal of liquid iron temperature. Off line ball three disposal, that is to add a liquid iron ball agent four inoculation disposal of five nodular cast iron activity is poor, thus shorten the larger, higher demand for pouring temperature and pouring system larger size, more use of the riser cold iron by one condensation heat treatment criterion six iron is iron carbon alloy carbon content greater than 2%, the carbon content in ordinary industrial pig iron containing C, SI and 2.5%--4%, and Mn, S, P and other elements, is a product of iron ores in blast furnace. According to the difference in the shape of the carbon in the pig iron, it can be divided into several kinds, such as steelmaking pig iron, forging pig iron and nodular cast iron.

Q:Can ductile iron pipes be used for underground parking lot drainage?: Yes, ductile iron pipes can be used for underground parking lot drainage. Ductile iron pipes are highly durable, resistant to corrosion, and can withstand heavy loads, making them suitable for underground applications.

Q:Can ductile iron pipes be used in underground installations?: Yes, ductile iron pipes can be used in underground installations. Ductile iron is a strong and durable material that is often used for underground piping systems due to its resistance to corrosion, high-pressure capacity, and ability to withstand external forces. It is commonly used in various applications such as water and sewage systems, gas pipelines, and industrial installations.

Q:What is the expected bedding and backfill requirements for ductile iron pipes?: The expected bedding and backfill requirements for ductile iron pipes typically involve using a suitable bedding material, such as crushed stone, to provide support and stability to the pipe. This is followed by proper backfilling around the pipe with a granular material, such as sand or gravel, to protect the pipe from external loads and prevent damage. The specific requirements may vary based on factors such as soil conditions, pipe diameter, and depth of installation. It is important to consult relevant standards and guidelines to ensure proper installation and long-term performance of the ductile iron pipes.

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