DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN200

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 pc

Supply Capability:: 3000 pc/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:What are the advantages of using ductile iron pipes over other materials?: Using ductile iron pipes instead of other materials offers several advantages. To begin with, ductile iron pipes have a higher level of strength and durability compared to materials like PVC, HDPE, or concrete pipes. They possess a high tensile strength, enabling them to withstand greater pressure and handle heavy loads without cracking or breaking. This makes them suitable for a range of applications, including water and sewage systems, as well as industrial pipelines. Additionally, ductile iron pipes exhibit excellent resistance to corrosion. They typically feature a protective coating, such as zinc or epoxy, which prevents the formation of rust and extends their lifespan. This makes them ideal for underground installations or areas with aggressive soil conditions or corrosive substances. Furthermore, ductile iron pipes offer flexibility. They can be manufactured in various lengths, diameters, and angles, allowing for easy installation and adaptation to different project requirements. Moreover, their flexibility enables them to withstand ground movements, such as settlement or seismic activities, without causing significant damage. Moreover, ductile iron pipes have a smooth internal surface, which reduces friction and enhances flow efficiency. This results in reduced energy consumption for pumping systems and lower maintenance costs. Additionally, the smooth surface minimizes the risk of deposits or clogs, ensuring a consistent and uninterrupted flow of fluids. Lastly, ductile iron pipes boast a long service life. With proper installation and maintenance, they can last for over 100 years. This longevity not only reduces the need for frequent replacements but also provides a sustainable and cost-effective solution for infrastructure projects. In conclusion, the utilization of ductile iron pipes offers numerous advantages over other materials. These include superior strength, corrosion resistance, flexibility, a smooth internal surface, and a long service life. These qualities make them a reliable choice for various applications, providing efficient and durable solutions for water, sewage, and industrial pipelines.

Q:Are there any specific standards or specifications for ductile iron pipes?: Yes, there are specific standards and specifications for ductile iron pipes. The most commonly used standards for ductile iron pipes are set by the American Water Works Association (AWWA) and the International Organization for Standardization (ISO). The AWWA standard for ductile iron pipes is known as AWWA C151. This standard covers the design, manufacturing, testing, installation, and maintenance requirements for ductile iron pipes used in water and wastewater applications. It specifies the materials, dimensions, and mechanical properties of the pipes, as well as the required coatings and linings. Similarly, the ISO standard for ductile iron pipes is ISO 2531. This standard provides guidelines for the design, manufacturing, testing, and installation of ductile iron pipes for water and wastewater systems. It covers various aspects such as dimensions, mechanical properties, coatings, and linings. In addition to these two widely recognized standards, there may be other regional or national standards specific to certain countries or regions. These standards often align with the AWWA and ISO standards or may have additional requirements specific to local conditions or regulations. Compliance with these standards ensures that ductile iron pipes meet the necessary quality and performance requirements. It also facilitates the interoperability and compatibility of ductile iron pipes across different systems and countries, enabling reliable and efficient water distribution and wastewater management.

Q:How do ductile iron pipes compare to PVC pipes?: Ductile iron pipes are generally stronger and more durable compared to PVC pipes. They have a higher tensile strength and can withstand higher pressure, making them suitable for more demanding applications such as water mains and sewer lines. PVC pipes, on the other hand, are lightweight, easy to install, and resistant to corrosion, making them a popular choice for household plumbing and irrigation systems. Ultimately, the choice between ductile iron and PVC pipes depends on the specific needs and requirements of the project.

Q:What is the expected abrasion resistance of ductile iron pipes?: The expected abrasion resistance of ductile iron pipes is generally high. Ductile iron pipes are known for their durability and strength, making them suitable for various applications, including transporting water, sewage, and other fluids. The material composition of ductile iron pipes, which includes a significant amount of carbon and silicon, contributes to their abrasion resistance. Ductile iron pipes are designed to withstand the abrasive forces that can occur during the transportation of fluids. They have a smooth internal surface that reduces friction and minimizes the potential for abrasion. Additionally, the material's inherent toughness and resistance to wear and tear make ductile iron pipes less prone to damage caused by abrasive particles or debris in the flowing fluid. However, it is important to note that the expected abrasion resistance of ductile iron pipes can also depend on various factors such as the velocity and nature of the fluid being transported, the presence of corrosive substances, and the installation conditions. In some cases, additional protective measures such as linings or coatings may be required to enhance the pipes' resistance to abrasion. Overall, ductile iron pipes are known for their excellent abrasion resistance, but it is always advisable to consider specific application requirements and consult with experts to ensure the appropriate selection and installation of the pipes for optimal performance and longevity.

Q:What kind of valves are commonly used in ductile iron pipes?: You ask the ductile cast iron valves used on no special, because this interface in connection with the valve on the pipe flange is basically, as long as the flange of the valve should be can be used in milling pipe.

Q:How do ductile iron pipes perform in high-velocity water flow conditions?: High-velocity water flow conditions are easily handled by ductile iron pipes. Their composition and manufacturing process give them remarkable strength and durability, making them highly resistant to the forces generated by fast-flowing water. These pipes are specifically designed to endure significant hydraulic pressure and turbulent conditions. Their inherent ductility allows them to absorb the energy of the flowing water and effectively dissipate any potential stress or impact that may arise. Furthermore, the smooth internal surface of ductile iron pipes reduces frictional losses, ensuring efficient water flow even at high speeds. This characteristic is vital in maintaining the necessary water pressure and flow rates in various applications, including water distribution systems, sewage networks, and industrial processes. Additionally, the corrosion resistance of ductile iron pipes enhances their performance in high-velocity water flow conditions. Typically, these pipes are lined with cement mortar or polyethylene, providing extra protection against the corrosive effects of fast-flowing water. In summary, ductile iron pipes are perfectly suited for high-velocity water flow conditions, offering exceptional strength, durability, and hydraulic efficiency. Their ability to withstand the challenges posed by fast-flowing water makes them a reliable choice for a wide range of applications where high water velocity is a concern.

Q:Can ductile iron pipes be used for bridge drainage systems?: Yes, ductile iron pipes can be used for bridge drainage systems. Ductile iron is a strong and durable material that is commonly used in various applications, including water and sewage systems. It has excellent corrosion resistance and can withstand heavy loads and pressure, making it ideal for bridge drainage systems. Additionally, ductile iron pipes have a smooth inner surface that allows for efficient water flow, preventing clogs and blockages. Therefore, ductile iron pipes are a suitable choice for bridge drainage systems due to their strength, durability, and ability to handle the required water flow.

Q:Are ductile iron pipes suitable for installation in areas with high seismic activity?: Yes, ductile iron pipes are suitable for installation in areas with high seismic activity. Ductile iron pipes have excellent strength and flexibility, allowing them to withstand ground movements caused by earthquakes. Their ability to absorb and distribute stress makes them a reliable choice for underground infrastructure in seismic-prone regions.

Q:What is the relationship between the installation direction of the ductile iron pipe and the direction of flow?: The ductile iron pipe is installed in the direction of the current.

Q:What are the typical joint sealing requirements for ductile iron pipes?: When sealing joints in ductile iron pipes, two common methods are typically used: rubber gaskets and mechanical joints. Rubber gaskets are frequently chosen for their reliability and flexibility. They are typically made of synthetic rubber materials that are resistant to water, chemicals, and other environmental factors. On the other hand, mechanical joints are also commonly used for sealing joints in ductile iron pipes. These joints utilize a mechanical device to connect the pipes and create a watertight seal. They are designed to allow for some movement and flexibility, which is particularly important in areas prone to ground movement or settlement. In addition to using rubber gaskets or mechanical joints, it is crucial to properly clean and prepare the pipe surfaces before joining them. This involves removing any dirt, debris, or old joint material from the pipe ends to ensure a secure seal. Following the manufacturer's instructions, the joint should be assembled, ensuring that the gasket or mechanical joint is correctly positioned and tightened to the recommended torque. In summary, the typical requirements for sealing joints in ductile iron pipes involve the use of rubber gaskets or mechanical joints, thorough cleaning and preparation of the pipe ends, and adherence to the manufacturer's assembly instructions. These requirements are essential to achieve a durable and watertight joint that can withstand the pressures and environmental conditions commonly encountered in ductile iron pipe systems.

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