DUCTILE IRON PIPEs K9 CLASS DN100

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 pc

Supply Capability:: 3000 pc/month

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Specifications

Subsidiary of Forbes Fortune 500 company (Ranking 485th in 2011). Provides full rang of ductile iron pipes with finest quality.

Company Profile

CNBM International Corporation belongs to China National Building Material Group Corporation (CNBM Group), ranking 365th in Forbes world Fortune 500 companies of 2012, and one of the largest state-owned companies in China since 1984. CNBM International was founded to provide sales support to international customers for the CNBM family of plants.

CNBM DIP Division is specialized in manufacturing high quality ductile iron potable / sewage water pipeline products in China. Ductile iron and cast iron pipe, fittings, valves, hydrants and drainage products are our main products, and orders are now shipped all over the world.

Our aim is to become an world-class influential supplier and professional service provider in world water industry.

Q:Can ductile iron pipes be used for pressure reducing stations?: Ductile iron pipes are indeed capable of being utilized in pressure reducing stations. Renowned for their robustness and resilience, these pipes are well-suited for managing applications involving high pressure. Their exceptional resistance to corrosion allows them to endure the mechanical pressures and strains typically associated with pressure reducing stations. Moreover, the smooth interior surface of ductile iron pipes minimizes friction losses and contributes to maintaining a consistent and regulated pressure within the system. Consequently, it can be concluded that ductile iron pipes are a dependable and frequently employed material in pressure reducing stations.

Q:How are ductile iron pipes tested for quality?: Ductile iron pipes are tested for quality through various methods, including hydrostatic pressure testing, dimensional inspection, and mechanical properties testing. Hydrostatic pressure testing involves subjecting the pipes to water pressure to ensure they can withstand the intended operating conditions without any leakage or failure. Dimensional inspection assesses the pipes' dimensions, such as diameter, wall thickness, and length, to ensure they meet the specified standards. Mechanical properties testing evaluates the pipes' tensile strength, yield strength, and elongation to ensure they possess the necessary strength and flexibility. Overall, these rigorous testing procedures help ensure the high quality and reliability of ductile iron pipes.

Q:How can the internal and external walls of ductile iron pipes be protected from corrosion?: Internal walls can be painted anti-corrosion paint, exterior anti-corrosion can choose to paint, but also useful anti-corrosion tape, or do 3PE anti-corrosion, look at your anti-corrosion requirements, cost budget and other construction objective conditions.

Q:What is the average weight of ductile iron pipe?: The average weight of ductile iron pipe varies depending on the size and thickness of the pipe. However, on average, ductile iron pipes can weigh between 300 to 600 pounds per linear foot.

Q:What is the expected fire resistance of ductile iron pipes?: The expected fire resistance of ductile iron pipes can vary depending on several factors such as the thickness of the pipe walls, the quality of the installation, and the surrounding conditions. However, generally speaking, ductile iron pipes have a high fire resistance due to their durable and heat-resistant material composition. Ductile iron is made by adding a small amount of magnesium to cast iron, which enhances its strength and flexibility. This makes ductile iron pipes less susceptible to cracking or breaking under high temperatures compared to other materials like PVC or HDPE pipes. In terms of fire resistance, ductile iron pipes can withstand high temperatures for an extended period of time without significant structural damage. They have been tested and proven to maintain their integrity in fire conditions for up to 2-4 hours, depending on the specific pipe design and installation. It is important to note that while ductile iron pipes have a high fire resistance, they are not fireproof. In case of a fire, it is crucial to follow proper fire safety protocols and consult with professionals to ensure the safety of the system and surrounding infrastructure.

Q:Are ductile iron pipes prone to external corrosion?: Yes, ductile iron pipes are prone to external corrosion.

Q:What are the different types of thrust restraints for ductile iron pipe?: There are several different types of thrust restraints that can be used for ductile iron pipe installations. These thrust restraints are designed to prevent the pipe from moving or separating under the forces generated by internal pressure, external loads, or changes in temperature. 1. Thrust blocks: Thrust blocks are concrete structures that are typically installed at bends, tees, and other changes in direction in the pipeline. They are designed to resist the thrust forces by transferring them to the surrounding soil or foundation. 2. Mechanical restraints: Mechanical restraints, such as tie rods or harnesses, are used to restrain the pipe by exerting an external force on it. These restraints are typically made of steel and can be adjusted to accommodate changes in pipe length or alignment. 3. Pipe anchors: Pipe anchors are devices that are installed at specific intervals along the pipeline to provide resistance against axial movement. They are usually made of steel and are embedded into the surrounding soil or concrete to provide a secure anchor point for the pipe. 4. Thrust collars: Thrust collars are devices that are installed around the pipe to prevent it from moving or separating. They are typically made of steel and are placed at strategic locations along the pipeline to absorb the thrust forces. 5. Restrained joint systems: Restrained joint systems are specialized pipe joints that are designed to resist axial forces. These joints typically have additional features, such as keyways or wedges, that provide resistance against movement. It is important to select the appropriate type of thrust restraint based on the specific requirements of the ductile iron pipe installation. Factors such as the pipe diameter, operating pressure, soil conditions, and potential external loads should be considered when determining the most suitable thrust restraint system. Consulting with a qualified engineer or pipe manufacturer can help ensure the proper selection and installation of thrust restraints for ductile iron pipe.

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 known for its strength, durability, and ability to withstand external loads and harsh environmental conditions, making it suitable for carrying stormwater and managing drainage systems effectively.

Q:Do ductile iron pipes require additional protection against external factors?: It is necessary to provide extra protection for ductile iron pipes due to external factors. Despite being strong and durable, ductile iron pipes are susceptible to corrosion and other threats that can cause pipe failure. The primary external factor that ductile iron pipes require protection from is corrosion. Corrosion can weaken the pipe over time and is caused by certain chemicals present in soil or water. To prevent corrosion, ductile iron pipes are often coated with substances like polyethylene or zinc. This coating acts as a barrier, safeguarding the pipe against corrosive elements and prolonging its lifespan. In addition to corrosion, ductile iron pipes may also need protection against physical damage. These pipes are typically buried underground, making them vulnerable to forces like heavy machinery, ground movement, and vandalism. To protect against physical damage, ductile iron pipes can be encased in concrete or surrounded by a protective sleeve or casing. Furthermore, ductile iron pipes may require protection against soil conditions that can lead to pipe movement or shifting. In areas with unstable soil, it may be necessary to implement measures such as proper bedding and backfilling techniques, as well as the use of anchoring devices. These measures ensure the stability and integrity of the pipes. To conclude, although ductile iron pipes are strong, they still need additional protection against external factors. This includes preventing corrosion, protecting against physical damage, and addressing soil conditions. By implementing these protective measures, the lifespan and performance of ductile iron pipes can be significantly extended, ensuring the reliable transportation of water and other fluids.

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 is a strong and durable material that is commonly used for underground piping systems. It has excellent resistance to corrosion, making it suitable for applications where the pipes will be exposed to moisture and water. Additionally, ductile iron pipes have high tensile strength, which allows them to handle heavy loads and withstand the pressure exerted by vehicles in a parking lot. Therefore, using ductile iron pipes for underground parking lot drainage is a reliable and long-lasting solution.

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