ductile iron pipe of China 30-45 days

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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 is the expected noise reduction of ductile iron pipes?: Several factors can influence the expected noise reduction of ductile iron pipes. These factors include the characteristics of the pipe material and design, the installation method, and the surrounding environment. Generally, ductile iron pipes have been found to offer significant noise reduction compared to other pipe materials. Ductile iron pipes are renowned for their superior acoustic performance, thanks to their dense and robust construction. The material's high density helps absorb and dampen noise vibrations, thus reducing the transmission of sound waves through the pipe. Furthermore, the smooth internal surface of ductile iron pipes minimizes turbulence and friction, contributing further to noise reduction. Numerous studies and field tests have demonstrated that ductile iron pipes can achieve noise reductions ranging from 10 to 20 decibels (dB) or even higher, depending on specific conditions. These noise reductions can greatly enhance the acoustic environment in areas where the pipes are used, such as residential areas, hospitals, or schools. It is important to acknowledge that while ductile iron pipes can provide substantial noise reduction, other factors like pipe connections, fittings, and valves can impact the overall acoustic performance. Proper installation techniques, including the utilization of effective seals and dampers, can further enhance noise reduction. In conclusion, ductile iron pipes are expected to offer significant noise reduction benefits due to their dense construction, smooth internal surface, and efficient installation methods. However, it is crucial to consider the specific requirements of each project and consult professionals to determine the anticipated noise reduction levels based on the particular circumstances.

Q: Can ductile iron pipe be used for hot water applications?: Indeed, hot water applications can make use of ductile iron pipe. Renowned for its robustness, longevity, and exceptional resistance to corrosion, ductile iron pipe proves itself ideal for diverse applications, including hot water systems. Its capability to withstand high temperatures and pressure renders it a dependable choice for the conveyance of hot water. Moreover, its thermal conductivity properties facilitate efficient heat transfer, guaranteeing the effective delivery of hot water throughout the system. Consequently, when evaluating materials for hot water applications, ductile iron pipe emerges as a fitting alternative.

Q: How do ductile iron pipes handle water hammer in high-rise buildings?: Known for their durability and strength, ductile iron pipes are an excellent option for managing water hammer in high-rise structures. Water hammer, a common occurrence when water flow abruptly halts or changes direction in pipes, causes pressure surges that can strain and potentially harm the pipes. Engineered to withstand high-pressure scenarios, ductile iron pipes exhibit remarkable resistance to water hammer. With their high tensile strength, these pipes can endure sudden pressure changes without warping or fracturing. This feature is especially crucial in high-rise constructions where water distribution must accommodate various floor pressures. Furthermore, the outstanding corrosion resistance of ductile iron pipes bolsters their ability to handle water hammer. Over time, corrosion weakens pipes, making them more prone to failure during pressure surges. However, the corrosion resistance of ductile iron pipes guarantees their structural integrity even in high-pressure circumstances. Moreover, the flexibility of ductile iron pipes enables them to absorb and dissipate the energy generated by water hammer. Consequently, the overall system experiences minimal impact, reducing the potential for damage. Absorbing energy also contributes to minimizing noise and vibrations associated with water hammer, thus enhancing the efficiency and comfort of the water supply system. To summarize, ductile iron pipes are well-suited to manage water hammer in high-rise buildings. Their strength, corrosion resistance, and flexibility make them a reliable choice for delivering water under varying pressures while upholding the system's integrity.

Q: Does the cast iron pipe need separate corrosion protection?: No, the inner and outer corrosion protection of the tube has been done.

Q: What is the expected roughness coefficient of ductile iron pipes?: The expected roughness coefficient of ductile iron pipes can vary depending on various factors such as pipe diameter, age, and condition. However, in general, the roughness coefficient for ductile iron pipes is typically around 0.01-0.015 mm. This value represents the average roughness of the internal surface of the pipe and is used in hydraulic calculations to determine the flow characteristics and pressure losses within the pipe network. It is important to note that these values are approximate and can vary based on specific pipe conditions and applications.

Q: Why does the cast iron pipe always run off when testing?: If the pipe is exposed for pressure test, you must add a pier, or else the fittings fly out. You are not surprised. At the same time, the pressure test before the ink tube to make full immersion bubble discharge clean, or a big easy gas pressure pipe explosion.

Q: How are ductile iron pipes protected against erosion caused by high-velocity flow?: Ductile iron pipes are protected against erosion caused by high-velocity flow through various methods and techniques. One common method is the application of protective coatings on the inner surface of the pipes. These coatings create a barrier between the flowing water and the pipe material, reducing the abrasive effects of the high-velocity flow. The coatings used may include epoxy, polyurethane, or cement-mortar lining, depending on the specific requirements of the application. Additionally, manufacturers often design the pipes with increased wall thickness in areas that are prone to erosion, such as bends or areas where the flow velocity is highest. This extra thickness provides additional strength and resistance against erosion. Another technique used to protect ductile iron pipes from erosion is the implementation of flow control devices, such as flow deflectors or velocity-reducing fittings. These devices help to redirect the flow and reduce its velocity, thereby minimizing the impact on the pipe walls. Regular maintenance and inspections are also crucial in preventing erosion. By monitoring the condition of the pipes and identifying any signs of erosion early on, appropriate measures can be taken to address the issue before it escalates. This may involve repairing or replacing damaged sections of the pipes, as well as implementing erosion control measures such as sediment filters or flow restrictors. Overall, a combination of protective coatings, design considerations, flow control devices, and proactive maintenance strategies are employed to ensure that ductile iron pipes are adequately protected against erosion caused by high-velocity flow.

Q: How can the ductile iron pipe be tested?: In the water test, temporary and long-term must be kept warm, in the spare time without water, emptying the pipe in time

Q: Is the ambient temperature at minus 20 degrees better with grey cast iron or ductile iron?: Ductile iron castings have been used in almost all major industries. These departments require high strength, plasticity, toughness, wear resistance, and resistance to ductile iron

Q: What is the expected joint performance of ductile iron pipes?: The expected joint performance of ductile iron pipes is generally considered to be excellent. Ductile iron pipes are known for their high durability and strength, making them suitable for various applications such as water distribution, sewer systems, and industrial pipelines. One of the key aspects of joint performance in ductile iron pipes is their ability to withstand external loads and pressure. The joints in ductile iron pipes are typically designed to provide a tight and secure connection, ensuring minimal leakage and long-term structural integrity. This is achieved through various joint types, including push-on joints, mechanical joints, and restrained joints. Push-on joints are commonly used in ductile iron pipes and allow for easy installation without the need for special tools or equipment. These joints utilize a rubber gasket that provides a watertight seal, preventing any leakage. Mechanical joints, on the other hand, involve the use of mechanical devices such as bolts and nuts to create a rigid connection between the pipes. This type of joint provides additional strength and resistance against external forces. In terms of performance, ductile iron pipes have been extensively tested and proven to meet or exceed industry standards for pressure and bending strength. They have high resistance to corrosion, which ensures a long service life, and are also less susceptible to damage from ground movements or vibrations. These properties contribute to the overall joint performance of ductile iron pipes, ensuring reliable and efficient operation in various infrastructure systems. Overall, when installed and maintained properly, ductile iron pipes exhibit excellent joint performance, providing a reliable and durable solution for various applications in the water and wastewater industry.

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