DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN700

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN700

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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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· 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: Can ductile iron pipe be used for both water and sewage applications?: Yes, ductile iron pipe can be used for both water and sewage applications. It is a durable and versatile material that is resistant to corrosion and can handle the pressure and flow requirements of both water and sewage systems.

Q: What is the expected joint flexibility of ductile iron pipes?: The expected joint flexibility of ductile iron pipes is typically high, as they are designed to accommodate slight movements and stresses caused by ground settlement or thermal expansion and contraction.

Q: Can ductile iron pipes be used for underground geothermal systems?: Yes, ductile iron pipes can be used for underground geothermal systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications, including underground geothermal systems. These pipes can handle high temperatures and pressures, making them ideal for the transport of hot geothermal fluids. Additionally, ductile iron pipes have a long service life and can withstand the ground movements and stresses that occur in underground installations. Therefore, they can be a reliable choice for underground geothermal systems.

Q: Can ductile iron pipes be repaired if damaged?: Yes, ductile iron pipes can be repaired if they are damaged. The repair process involves several steps. Firstly, the damaged section of the pipe needs to be identified and isolated. Once that is done, the damaged portion of the pipe is typically cut out and removed. A new section of pipe is then inserted and connected to the existing pipeline using appropriate methods such as welding or mechanical jointing. The repaired section is then tested to ensure its integrity and functionality. It is worth noting that the repair process may vary depending on the extent and nature of the damage, and it is always recommended to consult with professionals who specialize in ductile iron pipe repairs to ensure proper and effective restoration.

Q: What are the advantages of using ductile iron pipe?: Using ductile iron pipe in various applications offers several benefits. Firstly, ductile iron pipe is renowned for its strength and durability. It possesses higher tensile and yield strengths compared to other pipe materials, making it highly resistant to cracking, bending, and breaking. This exceptional strength enables the pipe to withstand high-pressure and heavy-load conditions, making it an ideal choice for applications such as water and sewage systems, oil and gas pipelines, and industrial piping. Secondly, ductile iron pipe exhibits excellent corrosion resistance. It is coated with a protective layer, typically zinc or epoxy, which prevents rusting and corrosion. This coating ensures a longer lifespan for the pipe, even in harsh environments or when transporting corrosive fluids. Another advantage of ductile iron pipe lies in its flexibility. Unlike rigid pipes, ductile iron pipes possess a certain level of flexibility, enabling them to endure ground movements and settle without fracturing. This flexibility proves particularly advantageous in areas prone to earthquakes or soil settlements. Additionally, ductile iron pipe boasts a smooth inner surface, minimizing flow resistance and enhancing fluid transportation efficiency. It also reduces the likelihood of sediment accumulation or corrosion within the pipe, resulting in improved flow rates and decreased maintenance requirements. Furthermore, ductile iron pipe proves cost-effective in the long run. Although it may entail higher initial costs compared to other pipe materials, its durability and minimal maintenance needs make it a cost-effective choice over time. The extended lifespan of ductile iron pipe reduces the necessity for frequent replacements and repairs, contributing to lower overall life-cycle expenses. Lastly, ductile iron pipe exhibits environmental friendliness. It is manufactured using recycled materials, and its extended lifespan diminishes the need for frequent replacements, thereby reducing the carbon footprint associated with manufacturing and transportation. In conclusion, the utilization of ductile iron pipe offers numerous advantages, including exceptional strength, corrosion resistance, flexibility, smooth inner surface, cost-effectiveness, and environmental friendliness. These qualities establish it as a reliable and preferred option for various applications across diverse industries.

Q: What is the expected deflection limit of ductile iron pipes?: Several factors, including pipe diameter, wall thickness, and soil conditions, determine the expected deflection limit of ductile iron pipes. According to industry standards, it is recommended that ductile iron pipes used for underground installations should not exceed a deflection limit of 2%. In other words, the maximum allowable deflection would be 2% of the pipe's diameter. It is important to be aware that surpassing the deflection limit can result in various issues, such as reduced flow capacity, higher chances of pipe failure, and compromised structural integrity. Therefore, it is crucial to carefully consider and adhere to the suggested deflection limits when designing and installing ductile iron pipes to ensure their long-term performance and reliability.

Q: Can ductile iron pipes be used for submarine pipelines?: Yes, ductile iron pipes can be used for submarine pipelines. Ductile iron is a strong and durable material that can withstand the harsh conditions underwater, making it suitable for submarine applications. Additionally, its corrosion resistance properties make it a reliable choice for transporting fluids in marine environments.

Q: Can ductile iron pipes be used in areas with high soil erosion?: Yes, ductile iron pipes can be used in areas with high soil erosion. Ductile iron is known for its high tensile strength and durability, making it resistant to external forces such as soil erosion. It is a suitable choice for underground piping systems in such areas, providing long-term reliability and stability.

Q: What are the different accessories available for ductile iron pipe?: To enhance the functionality and ensure efficient operation of ductile iron pipes, there is a range of accessories available. Some commonly used accessories include: 1. Flange Adapters: These accessories allow for the connection of ductile iron pipes with other pipe materials or equipment, such as valves, pumps, or fittings. Flange adapters provide a secure and leak-proof connection. 2. Mechanical Joint Fittings: These fittings are employed to join ductile iron pipes together. They consist of a gland, gland follower, and bolts, enabling a flexible and easily adjustable connection. 3. Restrained Joint Fittings: These fittings are utilized in applications where it is necessary to restrain the pipe to prevent movement or separation. They ensure stability and prevent potential damage caused by external forces or pressure. 4. Thrust Blocks: Concrete structures known as thrust blocks are employed to resist the thrust generated by internal pressure in ductile iron pipes. They prevent pipe movement and maintain stability. 5. Valve Boxes: Valve boxes offer protection and easy access to valves installed along the ductile iron pipeline. They are typically made of cast iron or polymer materials and are available in various sizes and designs. 6. Hydrant Assemblies: Hydrant assemblies are installed for the purpose of fire protection. They consist of a ductile iron pipe, a hydrant valve, and a fire hydrant. These assemblies are crucial for quick access to water during firefighting operations. 7. Tapping Saddles: Tapping saddles are employed to create a branch connection on a ductile iron pipe without interrupting the flow. They provide a convenient way to install service connections, valves, or meters. 8. Pipe Restraints and Supports: These accessories are used to secure ductile iron pipes to structures or prevent excessive movement. They help maintain proper alignment, prevent sagging, and ensure the structural integrity of the pipeline. 9. Pipe Repair Clamps: In the event of pipe damage or leaks, repair clamps offer a quick and temporary solution. These clamps are designed to fit around the damaged area and provide a tight seal to stop the leak. 10. Gaskets and Seals: Gaskets and seals are crucial accessories for ensuring leak-free connections. They are available in various materials, such as rubber or synthetic compounds, and are used to create a watertight seal between pipes or fittings. These are just a few examples of the accessories available for ductile iron pipes. The selection of accessories depends on the specific requirements of the project, and it is recommended to consult with a pipe supplier or engineer to ensure the appropriate accessories are chosen for the application.

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.

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