DUCTILE IRON PIPE C DN350

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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: Are ductile iron pipes suitable for use in irrigation canals?: Yes, ductile iron pipes are suitable for use in irrigation canals. Ductile iron pipes are known for their strength and durability, making them an excellent choice for carrying water in irrigation systems. They have high tensile strength and can withstand the heavy loads and pressures typically encountered in irrigation canals. Additionally, ductile iron pipes have excellent corrosion resistance, making them ideal for use in environments where water quality may vary. They are also resistant to UV rays and can withstand extreme weather conditions, which is crucial for their longevity in an irrigation canal system. Furthermore, ductile iron pipes have the ability to handle high flow rates and can efficiently transport water over long distances, ensuring effective irrigation. Overall, ductile iron pipes offer numerous benefits and are a reliable and suitable choice for use in irrigation canals.

Q: Can ductile iron pipes be used for industrial applications?: Yes, industrial applications can utilize ductile iron pipes. Ductile iron, a form of cast iron, possesses enhanced mechanical characteristics compared to traditional cast iron. These improvements include increased ductility and strength. Consequently, ductile iron pipes are highly appropriate for industrial applications that require durability, strength, and resistance to external forces. Industrial applications often necessitate the transportation of high-pressure water or fluids. Ductile iron pipes are specifically designed to endure such circumstances. Their exceptional tensile strength enables them to withstand deformation and fractures. This quality renders them optimal for managing heavy loads and enduring significant internal and external pressures. Moreover, ductile iron pipes exhibit exceptional resistance to corrosion, rendering them remarkably suitable for industrial applications that entail exposure to harsh chemicals or corrosive substances. The pipes' resistance to corrosion ensures a prolonged lifespan and decreases maintenance expenses associated with pipe replacements or repairs. Furthermore, ductile iron pipes are renowned for their adaptability and versatility. They can be seamlessly connected and integrated into existing infrastructure, making them the preferred choice for industrial applications. The pipes' impressive strength-to-weight ratio facilitates easy handling and installation, a crucial aspect in industrial settings. In conclusion, ductile iron pipes are well-suited for industrial applications due to their enhanced mechanical properties, corrosion resistance, and versatility. Their ability to endure high pressures, resist deformation, and adapt to existing infrastructure establishes them as an exceptional choice for various industrial applications.

Q: Can ductile iron pipes be used in culvert or storm sewer applications?: Yes, ductile iron pipes can be used in culvert or storm sewer applications. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for handling the high demands and harsh conditions typically found in culverts and storm sewers.

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: What are the different types of restrained joints for ductile iron pipe?: There are several different types of restrained joints for ductile iron pipe. These joints are designed to prevent pipe separation or movement due to internal pressure, external forces, or ground movement. Some of the commonly used restrained joints for ductile iron pipe include: 1. Mechanical Restrained Joint: This type of joint uses mechanical devices such as bolts, nuts, and gaskets to hold the pipe in place. The joint is typically made up of a gland, a gland follower, and a restraint ring. The gland and gland follower compress the gasket against the pipe, while the restraint ring provides additional support and resistance against movement. 2. Push-on Restrained Joint: This joint utilizes a rubber gasket that is compressed when the two pipe ends are pushed together. The gasket provides a tight seal and also acts as a restraint against movement. Some push-on restrained joints also include additional mechanical devices to enhance the restraint capability. 3. Restrained Flange Joint: This type of joint combines the features of a flanged joint and a restrained joint. It consists of a flanged pipe end that is bolted to a flange on another pipe or fitting. The bolts and nuts provide the mechanical restraint, while the flange connection ensures a secure and leak-free joint. 4. Restrained Coupling Joint: This joint is a variation of the mechanical restrained joint. It utilizes a coupling that is bolted or clamped around the pipe ends, providing the necessary restraint. The coupling may also have a gasket to ensure a tight seal. 5. Restrained Socket Joint: This joint is similar to the push-on restrained joint, but it includes additional mechanical devices to enhance the restraint capability. The socket end of the pipe is typically designed to receive a pipe spigot, which is then secured using bolts, clamps, or other mechanical devices. These different types of restrained joints for ductile iron pipe offer varying levels of restraint and are selected based on the specific requirements of the application. They ensure the integrity and stability of the pipeline system, reducing the risk of leaks, pipe separation, or movement.

Q: What is the expected thermal expansion of ductile iron pipes?: The expected thermal expansion of ductile iron pipes is typically around 0.006 inches per inch per degree Fahrenheit.

Q: What is the typical weight of ductile iron pipe?: The typical weight of ductile iron pipe varies depending on the diameter and wall thickness, but it typically ranges from 10 to 64 pounds per linear foot.

Q: What is ductile iron?: Ductile iron, after being treated with either magnesium or cerium, undergoes an improvement in its mechanical properties. This particular type of cast iron earns the name "ductile" due to its higher degree of ductility in comparison to other cast iron varieties. Ductility pertains to a material's capacity to stretch or deform without breaking. This quality renders ductile iron particularly ideal for applications that demand both high strength and resistance to wear and tear, such as pipes, automotive components, and machinery parts. The inclusion of magnesium or cerium during the manufacturing process aids in the formation of graphite within the iron's structure, contributing to its distinctive properties. This graphite formation serves to enhance the iron's flexibility and reduce its brittleness, enabling it to absorb shock and vibrations without fracturing. As a whole, ductile iron presents a fine balance between the strength of cast iron and the flexibility of steel, thereby establishing itself as a versatile material well-suited for diverse industrial applications.

Q: How is ductile iron pipe different from other types of pipes?: Ductile iron pipe differs from other pipe types in several ways. To begin with, its exceptional strength and durability are well-known. It is composed of a unique combination of iron, carbon, and other alloying elements, giving it superior mechanical properties compared to other pipes. Consequently, ductile iron pipe is highly resistant to external forces and pressure, making it ideal for underground installations, water mains, and sewer systems. Moreover, ductile iron pipe exhibits excellent corrosion resistance. Typically, it is lined with cement mortar or an internal coating, which acts as a protective barrier against corrosion and lengthens the pipe's lifespan. This makes ductile iron pipe particularly suitable for transporting water and other fluids, as it prevents contamination and maintains the material's quality. Additionally, ductile iron pipe offers a high level of flexibility. Unlike more rigid pipe materials such as cast iron, ductile iron pipe can withstand moderate deflection and ground movement without fracturing or breaking. This flexibility reduces the risk of failure and decreases the need for expensive repairs or replacements. Finally, ductile iron pipe is relatively easy to install and maintain. Usually, it is available in long lengths, minimizing the number of joints required. Furthermore, its mechanical properties and corrosion resistance make it less prone to damage during installation or operation, resulting in lower maintenance costs over time. In conclusion, ductile iron pipe stands apart from other pipes due to its exceptional strength, corrosion resistance, flexibility, and ease of installation. These characteristics make it a reliable and cost-effective choice for various applications, particularly in the water and wastewater industry.

Q: How are ductile iron pipes protected against stray current corrosion?: Ductile iron pipes are protected against stray current corrosion through the implementation of various preventive measures and protective coatings. Stray current corrosion occurs when an electric current passes through the pipe, leading to accelerated corrosion and potential damage. To prevent this, the following measures are typically adopted: 1. Electrical isolation: Ductile iron pipes are electrically isolated from other metallic structures using insulating materials, such as rubber gaskets or non-conductive coatings. This isolation prevents the flow of stray current through the pipe, minimizing the risk of corrosion. 2. Cathodic protection: Cathodic protection is a widely used technique to protect ductile iron pipes from stray current corrosion. It involves the installation of sacrificial anodes or impressed current systems near the pipe. These anodes or systems release a controlled electric current, which counteracts the stray current and ensures that the iron pipe remains cathodically protected. 3. Coatings: Ductile iron pipes are typically coated with protective layers to enhance their resistance against corrosion. One common coating is a fusion-bonded epoxy (FBE) coating, which provides a high level of protection against stray current corrosion. FBE coatings act as a barrier, preventing the electrical contact between the pipe and the surrounding environment. 4. Monitoring and maintenance: Regular monitoring and maintenance are essential to ensure the ongoing protection of ductile iron pipes against stray current corrosion. This involves inspecting the protective coatings for any damage or degradation and promptly repairing or replacing them as needed. Additionally, monitoring systems can be installed to detect and measure stray currents, allowing for timely intervention if necessary. By implementing these protection measures, ductile iron pipes can effectively guard against stray current corrosion, prolonging their lifespan and ensuring the integrity of the pipeline infrastructure.

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