DUCTILE IRON PIPEs K9 CLASS DN900

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 32 pc

Supply Capability:: 3000 pc/month

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Ductile Iron Pipe On Sale Made In China DN100

· 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 different types of joints available for ductile iron pipe?: Ductile iron pipes offer various types of joints, each with distinct advantages and suitability for different uses. Here are some of the most common joint options available: 1. Mechanical Joints: These joints create a watertight seal using a mechanical joint gland and rubber gasket. They are easy to install and allow for quick disassembly if needed. 2. Push-on Joints: This joint type involves compressing a rubber gasket when inserting the pipe into the fitting. It provides a reliable seal and requires no special tools for installation. 3. Restrained Joints: Designed to withstand higher internal pressures, restrained joints use a combination of mechanical or push-on joints along with additional restraints like thrust blocks or harnesses to prevent pipe separation. 4. Flanged Joints: Flanged joints connect two pipes using flanges and bolts. They are commonly used when frequent disassembly is required or when connecting to different types of pipes or equipment. 5. Welded Joints: In certain cases, ductile iron pipes can be welded together to create a strong and permanent connection. Welded joints are typically used in larger diameter pipes or specialized applications requiring high strength. When selecting the appropriate joint type for ductile iron pipes, it is essential to consider factors such as the pipe's application, pressure rating, and installation requirements.

Q:What is the difference between cast iron pipe and seamless steel pipe and galvanized steel pipe?: Galvanized steel pipe: divided into cold galvanized steel pipe, hot galvanized steel pipe, cold galvanized steel pipe has been banned, and the latter is also advocated by the state for the time being. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries also issued a civilization, indeed from two, 000 years since the galvanized pipe as a water supply pipe, the New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe. Hot dip galvanized steel pipe is widely used in fire, power and highway.

Q:What are the advantages of using ductile iron pipes over other materials?: There are several advantages of using ductile iron pipes over other materials. Firstly, ductile iron pipes have superior strength and durability compared to other materials such as PVC, HDPE, or concrete pipes. They have a high tensile strength, which means they can withstand higher pressure and can handle heavy loads without cracking or breaking. This makes them suitable for various applications, including water and sewage systems, as well as industrial pipelines. Secondly, ductile iron pipes have excellent corrosion resistance. They are typically coated with a protective layer, such as zinc or epoxy, which prevents the formation of rust and extends their lifespan. This makes them ideal for underground installations or in areas with aggressive soil conditions or corrosive substances. Another advantage of ductile iron pipes is their flexibility. They can be manufactured in various lengths, diameters, and angles, allowing for easy installation and adaptability to different project requirements. Additionally, their flexibility enables them to withstand ground movements, such as settlement or seismic activities, without causing significant damage. Furthermore, ductile iron pipes have a smooth internal surface, which reduces friction and improves flow efficiency. This results in lower energy consumption for pumping systems and reduced 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 have a long service life. When properly installed and maintained, 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 advantages of using ductile iron pipes over other materials include their superior strength, corrosion resistance, flexibility, smooth internal surface, and 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 ductile iron pipes suitable for pressure sewer systems?: Ductile iron pipes, known for their high strength and durability, are a suitable option for pressure sewer systems. They have been widely used in various applications, including pressure sewer systems, due to their ability to withstand high pressure and provide a long-lasting solution for transporting sewage under pressure. One key advantage of ductile iron pipes is their excellent corrosion resistance, which is crucial in sewer systems where they are exposed to various chemicals and contaminants. These pipes are resistant to both internal and external corrosion, ensuring their durability and functionality over time. Moreover, ductile iron pipes have a smooth internal surface, minimizing friction and improving the flow capacity of the sewer system. This feature allows the pipes to handle the required flow rates and prevent blockages or backups. Additionally, ductile iron pipes are known for their ease of installation. They can be easily cut and joined using various methods, making them a convenient choice for pressure sewer systems. Overall, ductile iron pipes offer a reliable choice for pressure sewer systems, thanks to their high strength, corrosion resistance, smooth internal surface, and ease of installation.

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 ductile iron pipes resistant to UV degradation?: Ductile iron pipes are not inherently resistant to UV degradation. Exposure to ultraviolet (UV) radiation from the sun can cause the degradation of various materials, including ductile iron. However, it is important to note that the rate of UV degradation in ductile iron pipes is relatively slow compared to other materials such as plastics or rubber. To mitigate the effects of UV degradation on ductile iron pipes, protective measures can be taken. Coating the pipes with a suitable UV-resistant paint or applying an external protective layer can help minimize the impact of UV radiation. Additionally, proper installation and maintenance practices can also contribute to the longevity and durability of ductile iron pipes. It is worth mentioning that while UV degradation may not be the primary concern for ductile iron pipes, other factors such as corrosion, chemical attack, or mechanical stress can still affect their performance and lifespan. Therefore, it is important to consider all potential environmental factors and apply appropriate protective measures accordingly.

Q:What is the disadvantage of nodular cast iron in excess of silicon?: Excessive silicon control results in the formation of nodular graphite in large cross section ductile iron and reduces the mechanical properties of castings.

Q:How do ductile iron pipes handle water velocity?: Due to their unique mechanical properties, ductile iron pipes are well-suited for managing water velocity. Ductile iron, being a highly durable and strong material, can endure high water velocities without significant damage or deformation. The inherent ductility of the pipe enables it to absorb the energy generated by the flowing water, effectively reducing the risk of pipe failure or bursting. This characteristic makes ductile iron pipes suitable for handling high-pressure water flow, making them an ideal choice in situations where water velocity is a concern. Furthermore, the smooth internal surface of ductile iron pipes promotes efficient water flow and minimizes friction losses. This smoothness reduces resistance encountered by the water as it moves through the pipe, allowing for higher water velocities without compromising the pipe's integrity. Moreover, ductile iron pipes can be manufactured in various sizes and thicknesses, providing customization options based on specific water velocity requirements. This flexibility ensures that ductile iron pipes can effectively manage a wide range of water velocities, from low-flow applications to high-velocity scenarios. In conclusion, ductile iron pipes possess exceptional capabilities when it comes to handling water velocity. Their strength, ductility, and smooth internal surface contribute to their ability to withstand high water velocities without compromising their structural integrity, making them a dependable choice for water distribution systems.

Q:What are the different types of joints used with ductile iron pipe?: There are several different types of joints that can be used with ductile iron pipe. These joints are designed to provide a secure and watertight connection between sections of pipe. Some of the most common types of joints used with ductile iron pipe include: 1. Mechanical Joint: This is the most commonly used joint for ductile iron pipe. It consists of a gland and a follower which are tightened using bolts and nuts to provide a tight seal. Mechanical joints are flexible and can accommodate slight misalignments. 2. Push-On Joint: This type of joint does not require any bolts or nuts. It is designed to be easily assembled by simply pushing the pipe sections together. A rubber gasket is used to provide a watertight seal. 3. Restrained Joint: Restrained joints are specifically designed for applications where pipe movement needs to be limited. These joints typically include a mechanical joint with additional features such as thrust collars or tie rods to prevent axial movement. 4. Flanged Joint: Flanged joints are commonly used for larger diameter pipes. The pipe ends are flanged and then bolted together, with a gasket placed in between to create a leak-proof connection. Flanged joints are typically used in applications where frequent disassembly and reassembly may be required. 5. Welded Joint: In some cases, ductile iron pipe sections may be welded together using a fusion welding process. This creates a permanent and strong joint. Welded joints are commonly used in high-pressure applications where a reliable and durable connection is required. It is important to note that the choice of joint type will depend on the specific requirements of the project, such as the pipe diameter, pressure rating, and the nature of the fluid being transported. Additionally, local regulations and standards may also dictate the type of joint that should be used in certain applications.

Q:How are ductile iron pipes connected or jointed together?: Ductile iron pipes are typically connected or jointed together using various methods such as flanged joints, push-on joints, mechanical joints, or restrained joints. These methods ensure a secure and leak-free connection between the pipes, providing a reliable and durable pipeline system.

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