ductile iron pipe of china comply with ISO2531

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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 cost of ductile iron pipes compared to other materials?: The cost of ductile iron pipes is generally higher compared to other materials such as PVC or HDPE. While the upfront cost may be higher, ductile iron pipes are known for their durability, longevity, and resistance to damage, making them a cost-effective choice in the long run.

Q: Can ductile iron pipes be used for railway bridges?: Yes, ductile iron pipes can be used for railway bridges. They are commonly used in bridge construction due to their high strength, durability, and resistance to corrosion. Additionally, ductile iron pipes can withstand heavy loads and provide excellent structural support, making them suitable for railway bridge applications.

Q: How can the ductile iron pipe depress the elbow so as to prevent it from being opened?: The way to connect with the pipe is: direct welding (the most commonly used way), flange connection, hot melt connection, electric melting connection, threaded connection and socket connection. According to the production process can be divided into: welding elbow, stamping elbow, push elbow, casting elbow, etc..

Q: Are ductile iron pipes suitable for use in mining applications?: Ductile iron pipes are well-suited for mining applications due to their unique properties. Also known as nodular cast iron, ductile iron is a type of iron that has been modified with magnesium or cerium to enhance its microstructure, resulting in increased strength and flexibility compared to traditional cast iron. These enhancements make ductile iron pipes highly resistant to impact, corrosion, and abrasion, which are common challenges in mining environments. In mining applications, ductile iron pipes find multiple uses, including water supply, slurry transportation, and ventilation systems. Their exceptional durability and resistance to wear and tear make them ideal for handling abrasive materials, chemicals, and high-pressure fluids typically encountered in mining operations. Moreover, the ability of ductile iron pipes to withstand heavy loads and external pressures makes them suitable for underground mining, where they may need to support the weight of overlying rock layers. With their high tensile strength and flexibility, ductile iron pipes help prevent pipe failure and reduce the risk of leaks or breaks, ensuring the safety and efficiency of mining operations. Furthermore, ductile iron pipes are relatively simple to install, maintain, and repair. They can be welded or joined using mechanical couplings, allowing for quick and efficient installation at mining sites. Their corrosion resistance also minimizes the need for frequent maintenance and replacement, resulting in cost savings for mining companies. Overall, the superior mechanical properties and durability of ductile iron pipes make them a reliable and practical choice for mining applications.

Q: How is ductile iron pipe manufactured?: The manufacturing of ductile iron pipe involves a specific process called centrifugal casting. To start, iron is melted in a furnace and certain elements like carbon and silicon are added to achieve desired properties. Once the iron is melted, it is poured into a mold or die that is rotating at a high speed. As the molten iron is poured into the rotating mold, centrifugal force causes the liquid metal to move towards the inner surface of the mold. This force results in the metal solidifying from the outer surface inward. This creates a pipe with a dense outer layer and a more porous inner layer. The centrifugal casting process guarantees that the outer surface of the pipe is free from impurities and defects, ensuring its strength and durability. Once the pipe has solidified, it is taken out of the mold and undergoes further processing. The pipe is cleaned, excess material is trimmed, and any imperfections on the surface are eliminated. It is then given a protective coating, such as zinc or epoxy, to enhance its resistance to corrosion. The final step in the manufacturing process is quality control and testing. Ductile iron pipes go through various tests to ensure they meet the required standards. These tests include hydrostatic pressure testing, dimensional inspection, and inspection of the internal and external coating. In conclusion, ductile iron pipe is manufactured using the centrifugal casting process, which involves melting iron, pouring it into a rotating mold, and allowing it to solidify under the influence of centrifugal force. The resulting pipe is then cleaned, coated, and subjected to rigorous quality control to ensure its strength, durability, and adherence to standards.

Q: What are the different pressure classes available for ductile iron pipes?: Ductile iron pipes come in various pressure classes that are commonly used for water and wastewater purposes. These pressure classes, namely Class 150, Class 200, Class 250, Class 300, and Class 350, indicate the maximum pressure in psi that the pipes can withstand. For instance, Class 150 pipes have a maximum working pressure of 150 psi, while Class 200 pipes can handle up to 200 psi. Class 250 pipes can withstand pressures up to 250 psi, and Class 300 pipes have a maximum working pressure of 300 psi. Lastly, the highest pressure class, Class 350, can handle pressures up to 350 psi. The selection of the appropriate pressure class for a ductile iron pipe depends on several factors, including system design, fluid characteristics, and operating conditions. To determine the suitable pressure class for a specific application, it is crucial to consult relevant standards and guidelines, such as those provided by the American Water Works Association (AWWA). It is important to note that these pressure classes refer to the working pressure of the pipe, which is the pressure the pipe is designed to safely contain during normal operation. To ensure compliance with the required pressure class standards, the pipes are typically tested and certified.

Q: Can ductile iron pipes be used for underground mining applications?: Yes, ductile iron pipes can be used for underground mining applications. Ductile iron is known for its strength, durability, and resistance to corrosion, making it suitable for underground mining environments where it may be exposed to harsh conditions and abrasive materials. Additionally, ductile iron pipes have excellent load-bearing capabilities, making them ideal for carrying and transporting materials in mining operations.

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.

Q: What material is ductile cast iron 235A?: Pig iron is an alloy of iron and carbon carbon content more than 2%, pig iron carbon content is generally in 2.5%--4%, including C, SI, and Mn, S, P and other elements, is the use of iron ores in blast furnace products. According to the different forms of carbon in pig iron, and can be divided into pig iron, cast iron and steel ball ductile cast iron. Several precipitation of spherical graphite cast iron. The cutting action on the metal substrate than spheroidal graphite flake graphite cast iron, the strength of the matrix organization strength of 70 ~ 90%, the tensile strength is up to 120kgf/mm2, and has good toughness. Ductile iron chemical composition besides iron usually contains: the amount of carbon 3.3.8%, silicon 2.3.0%, manganese, phosphorus, sulfur and no more than 1.5% of the total amount of rare earth, magnesium spheroiditic agent.

Q: What is the expected leakage rate of ductile iron pipes?: The expected leakage rate of ductile iron pipes can vary depending on various factors such as the age and condition of the pipes, the quality of installation, and the presence of any external factors that may impact the integrity of the pipes. However, in general, ductile iron pipes are known for their durability and low leakage rates compared to other types of pipes. According to industry standards and studies, the expected leakage rate of well-maintained and properly installed ductile iron pipes is typically less than 0.5 liters per pipe per day (LPPD). This leakage rate is considered acceptable and meets the requirements set by various regulatory bodies and organizations. It is important to note that regular maintenance and inspections are crucial in maintaining the low leakage rate of ductile iron pipes. By identifying and repairing any potential leaks or damages promptly, the overall leakage rate can be effectively minimized. Furthermore, advancements in manufacturing techniques and improvements in pipe design have led to the development of more leak-resistant ductile iron pipes. These pipes may have even lower expected leakage rates than the industry average, further enhancing their overall performance and reliability. Ultimately, while the expected leakage rate of ductile iron pipes can vary, it is generally considered to be low when properly installed and maintained, making them a reliable choice for various water distribution and transmission systems.

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