ductile iron pipe china Potable

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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 maximum allowable joint deflection for ductile iron pipes?: The maximum allowable joint deflection for ductile iron pipes is typically specified by industry standards and guidelines. These standards may vary depending on the specific application and local regulations. In general, the maximum allowable joint deflection for ductile iron pipes is usually limited to a range between 1% to 5% of the pipe diameter. This means that the pipe can typically tolerate a deflection of up to 1% to 5% of its diameter without causing any significant damage or compromising its structural integrity. However, it is important to note that the exact maximum allowable joint deflection may vary depending on factors such as pipe size, wall thickness, and operating conditions. It is recommended to consult the relevant industry standards, such as those published by the American Water Works Association (AWWA) or the International Organization for Standardization (ISO), for specific guidelines on maximum allowable joint deflection for ductile iron pipes in a given application.

Q:What is the typical diameter range of ductile iron pipes?: The typical diameter range of ductile iron pipes is between 4 inches and 64 inches.

Q:How does ductile iron pipe perform in areas with high soil erosion?: Ductile iron pipe is known for its exceptional strength and durability, making it a reliable choice for areas with high soil erosion. Its unique composition, which includes graphite nodules, allows it to be both flexible and resistant to fractures or cracks, even in challenging environments. This makes ductile iron pipe highly capable of withstanding the impact of soil erosion. In areas with high soil erosion, the soil particles can scrape against the surface of the pipe, potentially causing abrasions or damage. However, ductile iron pipe's thick wall thickness and corrosion-resistant coating provide an effective barrier against these abrasive forces. This means that even in areas with significant soil erosion, ductile iron pipe can maintain its structural integrity and functionality. Moreover, ductile iron pipe's ability to resist corrosion further enhances its performance in areas with high soil erosion. Soil erosion often leads to an increased presence of moisture, which can accelerate the corrosion process of certain materials. However, ductile iron pipe's protective coating, typically made from zinc or epoxy, acts as a shield against corrosion, ensuring its long-term performance and reliability. In summary, ductile iron pipe demonstrates excellent performance in areas with high soil erosion due to its strength, flexibility, and resistance to fractures or cracks. Its thick wall thickness and corrosion-resistant coating make it highly durable against abrasive forces and corrosion, allowing it to withstand the challenges posed by soil erosion. As a result, ductile iron pipe is a dependable choice for infrastructure projects in such areas, providing long-lasting and efficient water and wastewater transportation systems.

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:What is the difference between a cast iron pipe and a ductile iron pipe?: Nodular cast iron has high strength and strong plasticity. The tensile strength of ductile iron is twice that of gray iron, and the yield strength even exceeds that of cast steel.

Q:What is the typical lifespan of ductile iron pipe?: The typical lifespan of ductile iron pipe is around 50 to 100 years, depending on various factors such as the quality of installation, maintenance practices, and environmental conditions.

Q:Are ductile iron pipes suitable for installation in areas with high seismic activity?: Ductile iron pipes are a suitable choice for installation in areas with high seismic activity. One of the key advantages of ductile iron pipes is their ability to withstand external loads and ground movement, making them ideal for seismic zones. Ductile iron pipes have excellent flexibility and high tensile strength, allowing them to withstand ground shifting and seismic forces without breaking or fracturing. Additionally, their high resistance to impact and stress make them less susceptible to damage during seismic events. Furthermore, ductile iron pipes have a proven track record of performance in seismic areas, as they have been successfully installed and used in earthquake-prone regions around the world for many years. They have demonstrated their ability to withstand the ground movements caused by seismic activity without compromising their structural integrity. Moreover, ductile iron pipes have the advantage of being highly durable and long-lasting, which is crucial in areas with high seismic activity where infrastructure needs to withstand frequent ground movements. Their longevity reduces the need for frequent maintenance and replacement, making them a cost-effective option in the long run. However, it is important to note that proper installation techniques and adherence to seismic design guidelines are essential to ensure the optimal performance of ductile iron pipes in high seismic areas. It is recommended to consult with experienced engineers and follow local building codes and regulations to ensure the pipes are installed correctly and can withstand the specific seismic conditions of the area. Overall, due to their flexibility, strength, durability, and proven performance, ductile iron pipes are considered suitable for installation in areas with high seismic activity.

Q:How are ductile iron pipes connected?: There are several methods commonly used to connect ductile iron pipes, including flanged joints, mechanical joints, and push-on joints. Flanged joints involve connecting two sections of pipe by using a flanged coupling. The pipe ends have flanges that are securely bolted together, creating a connection that is both strong and leak-proof. This method is often used for pipes with larger diameters or in situations where a rigid joint is necessary. Mechanical joints use a mechanical joint gland and rubber gasket to create a seal that is watertight. The ends of the pipes are inserted into the gland, and then bolts are tightened to compress the gasket, ensuring a reliable connection. This method is frequently employed in water distribution systems because it is flexible and easy to install. Push-on joints utilize a rubber gasket to create a tight seal between sections of pipe. The gasket is placed in a groove on one end of a pipe, and then the other pipe is pushed onto it, resulting in a compression seal. This method is quick and straightforward, making it suitable for a variety of applications, such as sewer systems and underground piping. Ultimately, the choice of connection method for ductile iron pipes depends on factors such as pipe diameter, application requirements, and installation conditions. It is of utmost importance to adhere to the manufacturer's recommendations and industry standards to ensure proper installation and dependable performance.

Q:How can the ductile iron pipe be tested?: The pipeline of water supply pipeline in winter pressure test, must have the corresponding prevention measures, antifreeze, then should give water pipes in the filling should be appropriate in some high, then the protective material for a little more to the interface covered.

Q:Can ductile iron pipes be used for water treatment plants?: Yes, ductile iron pipes can be used for water treatment plants. Ductile iron pipes are often chosen for water treatment plants due to their durability, strength, and corrosion resistance. They can handle high-pressure water systems and are resistant to wear and tear, making them suitable for transporting treated water in large quantities. Additionally, ductile iron pipes have a long lifespan, which reduces the need for frequent replacements and maintenance, making them a cost-effective choice for water treatment plants.

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