DUCTILE IRON PIPES AND PIPE FITTINGS DN450

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/month

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Material : Ductile Cast Iron
Size Range : DN 80mm to DN 2000mm
Unit Effective Length : 6m or 5.7m
Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007
Annual capacity : 200,000 tons
Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.
Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179
Special requirements on external coating and internal lining can be applied
We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q: The difference between ductile cast iron pipe and machine-made cast iron pipe: Of different uses, ductile iron pipes are widely used for municipal water supply and drainage, rural drinking water and outdoor fire fighting works; mechanism cast iron pipes are mainly used in the city.

Q: What is the expected deflection range for ductile iron pipes?: The expected deflection range for ductile iron pipes can vary depending on several factors such as pipe diameter, wall thickness, soil conditions, and installation methods. Generally, ductile iron pipes have a higher deflection capacity compared to other materials like PVC or concrete pipes. For smaller diameter ductile iron pipes (up to 12 inches), the expected deflection range is typically around 2-3% of the pipe diameter. This means that a 12-inch ductile iron pipe could deflect up to approximately 0.24-0.36 inches. For larger diameter ductile iron pipes (greater than 12 inches), the expected deflection range can be slightly higher, ranging from 2-5% of the pipe diameter. This means that a 24-inch ductile iron pipe could deflect up to approximately 0.48-1.2 inches. It is important to note that these values are general estimates and should be verified with the manufacturer's specifications or engineering design guidelines for a specific project. Additionally, proper installation techniques and backfilling practices should be followed to ensure the pipe's structural integrity and prevent excessive deflection.

Q: Can ductile iron pipes be used in sewage treatment plants?: Yes, ductile iron pipes can be used in sewage treatment plants. Ductile iron is commonly used in sewage systems due to its durability, corrosion resistance, and ability to withstand high pressure and load-bearing requirements. It is an ideal material choice for transporting sewage and wastewater within treatment plants.

Q: What is the expected roughness coefficient of ductile iron pipes?: The roughness coefficient of ductile iron pipes can differ based on different factors like pipe diameter, age, and condition, resulting in variations. However, typically, the roughness coefficient for ductile iron pipes falls within the range of 0.01-0.015 mm. This value signifies the average roughness of the pipe's internal surface and plays a crucial role in hydraulic calculations for establishing the flow characteristics and pressure losses within the pipe network. It is worth mentioning that these values are approximate and subject to change depending on specific pipe conditions and applications.

Q: Why does the cast iron pipe always run off when testing?: The pipeline is installed, straight section of each pipe will be added pier, concrete pipe, elbow, three links should also have concrete pier, specific installation method according to GB Atlas 03SS515, and the straight pipe to soil, pipeline interface will be exposed, easy to check.

Q: Are ductile iron pipes suitable for use in sewage pumping stations?: Ductile iron pipes are highly suitable for use in sewage pumping stations due to their advantageous properties. These pipes are renowned for their durability, strength, and excellent corrosion resistance, making them an ideal choice for wastewater applications. They can endure the high pressures and abrasive characteristics of sewage systems without experiencing significant degradation or loss of performance over time. Moreover, the smooth interior surface of ductile iron pipes minimizes friction losses and prevents blockages. Additionally, these pipes have a long lifespan and require minimal maintenance, resulting in reduced overall operating costs. In conclusion, ductile iron pipes are an excellent option for sewage pumping stations.

Q: What are the advantages of using ductile iron pipe over HDPE pipe?: There are several advantages of using ductile iron pipe over HDPE pipe. Firstly, ductile iron pipe is known for its high strength and durability. It is able to withstand higher pressure and is less likely to leak or burst compared to HDPE pipe. This makes ductile iron pipe a reliable choice for applications where high-pressure water or gas transmission is required, such as in municipal water supply systems or industrial piping networks. Secondly, ductile iron pipe has a longer lifespan compared to HDPE pipe. It is highly resistant to corrosion and can last for several decades, even under harsh environmental conditions. This reduces the need for frequent replacements, resulting in cost savings over time. Moreover, ductile iron pipe has excellent fire resistance properties. It can withstand high temperatures without compromising its structural integrity. This makes it a reliable choice for applications where fire safety is a concern, such as in fire hydrant systems or sprinkler systems. Additionally, ductile iron pipe is known for its superior flow characteristics. Its smooth inner surface reduces friction loss, allowing for efficient and consistent flow of fluids. This is particularly important in applications where maximum flow capacity is required, such as in water distribution systems or wastewater treatment plants. Furthermore, ductile iron pipe is highly recyclable. It can be melted down and reused to manufacture new pipes, reducing the environmental impact and promoting sustainability. In conclusion, the advantages of using ductile iron pipe over HDPE pipe include its high strength and durability, longer lifespan, fire resistance, superior flow characteristics, and recyclability. These factors make ductile iron pipe a preferred choice for various applications, especially those that require high-pressure transmission, longevity, fire safety, efficient flow, and environmental sustainability.

Q: Are there any specific standards or regulations for ductile iron pipe?: Ductile iron pipe is subject to specific standards and regulations. It is widely used in water and wastewater systems due to its strength and durability. The American Water Works Association (AWWA) C151 standard is the most well-known standard for ductile iron pipe. This standard outlines the minimum requirements for ductile iron pipe, including materials, dimensions, tolerances, and testing methods. It also provides guidance on the manufacturing, installation, and maintenance of ductile iron pipe systems. Apart from the AWWA C151 standard, there are other standards and regulations that govern the use of ductile iron pipe in different countries. In Europe, for instance, ductile iron pipe is regulated by the EN 545 and EN 598 standards. These standards specify the requirements for ductile iron pipes and fittings used in water supply and wastewater systems. Additionally, government agencies like the Environmental Protection Agency (EPA) in the United States may have specific regulations and guidelines for using ductile iron pipe in certain applications, such as drinking water systems. Manufacturers, contractors, and engineers involved in the design, installation, and maintenance of ductile iron pipe systems must ensure compliance with these standards and regulations. This is crucial to guarantee that ductile iron pipe is manufactured to the highest quality standards and that it is installed and maintained correctly, ensuring its durability and reliability in water and wastewater systems.

Q: How do ductile iron pipes perform in high-pressure applications?: Ductile iron pipes perform exceptionally well in high-pressure applications. Due to their superior strength and durability, they can withstand the high-pressure conditions without any significant issues. The ductile iron material is known for its ability to handle high-pressure situations, ensuring the reliability and long-lasting performance of the pipes.

Q: Can ductile iron pipes be used in mining applications?: Yes, ductile iron pipes can be used in mining applications. Ductile iron has high strength, durability, and resistance to corrosion, making it suitable for various underground mining operations. It can withstand the demanding conditions found in mining environments, including high pressure, abrasive materials, and harsh chemicals. Additionally, ductile iron pipes are cost-effective and have a long lifespan, making them a reliable choice for mining applications.

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