• DUCTILE  IRON    PIPES & FITTINGS  K7CLASS DN500 System 1
  • DUCTILE  IRON    PIPES & FITTINGS  K7CLASS DN500 System 2
DUCTILE  IRON    PIPES & FITTINGS  K7CLASS DN500

DUCTILE IRON PIPES & FITTINGS K7CLASS DN500

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
33 pc
Supply Capability:
3000 pc/month

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Specifications

·         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 pipe over HDPE pipe?
Ductile iron pipe offers numerous benefits compared to HDPE pipe. Firstly, it is renowned for its exceptional strength and durability. With the ability to withstand higher pressure, it is less prone to leakage or bursting, making it an ideal choice for applications requiring high-pressure water or gas transmission, such as municipal water supply systems or industrial piping networks. Secondly, ductile iron pipe boasts an extended lifespan when compared to HDPE pipe. Its remarkable resistance to corrosion allows it to endure for decades, even in harsh environmental conditions. As a result, frequent replacements are minimized, leading to long-term cost savings. Furthermore, ductile iron pipe exhibits excellent fire resistance properties. It can endure high temperatures without compromising its structural integrity, making it a reliable option for applications where fire safety is a concern, such as fire hydrant systems or sprinkler systems. Additionally, ductile iron pipe is renowned for its superior flow characteristics. Its smooth inner surface reduces friction loss, facilitating efficient and consistent fluid flow. This attribute is particularly crucial in applications that necessitate maximum flow capacity, such as water distribution systems or wastewater treatment plants. Moreover, ductile iron pipe is highly recyclable, promoting environmental sustainability. It can be melted down and utilized to manufacture new pipes, thereby reducing its environmental impact. In conclusion, ductile iron pipe offers a multitude of advantages over HDPE pipe, including its exceptional strength and durability, prolonged lifespan, fire resistance, superior flow characteristics, and recyclability. These features establish ductile iron pipe as the preferred choice for various applications, particularly those that require high-pressure transmission, longevity, fire safety, efficient flow, and environmental sustainability.
Q:Are ductile iron pipes suitable for acidic or alkaline environments?
Yes, ductile iron pipes are suitable for both acidic and alkaline environments. They have excellent resistance to corrosion, making them a reliable choice for transporting fluids in a wide range of pH levels.
Q:How does ductile iron pipe compare to steel pipe in terms of durability?
Ductile iron pipe is generally considered to be more durable than steel pipe. It has superior strength and durability due to its unique microstructure, which allows it to withstand higher levels of pressure, impacts, and loads. Ductile iron pipe also has better corrosion resistance properties, making it less prone to rust and deterioration compared to steel pipe. Additionally, ductile iron pipe has a longer lifespan and requires less maintenance, making it a more reliable and durable choice for various applications.
Q:What is the weight of ductile iron pipes compared to other materials?
Compared to other commonly used materials in the construction industry, ductile iron pipes tend to be heavier. The weight of these pipes can vary depending on their specific size and dimensions, but they are usually heavier than materials like PVC, HDPE, and steel pipes. The primary reason for this increased weight is the dense nature of ductile iron, which grants it durability, strength, and resistance to corrosion. However, this weight also presents challenges in terms of transportation, installation, and handling, necessitating appropriate equipment and techniques for safe and efficient installation. Despite being heavier, ductile iron pipes offer numerous advantages in terms of longevity and performance in various applications.
Q:Can ductile iron pipes be used for underground compressed air systems?
Yes, ductile iron pipes can be used for underground compressed air systems. Ductile iron pipes have high strength and durability, making them suitable for various applications including underground installations. They are corrosion-resistant, which is essential for underground systems where moisture and other environmental factors can cause damage over time. Additionally, ductile iron pipes have the ability to withstand high pressure, making them a reliable choice for compressed air systems. However, it is important to ensure that the pipes are properly installed, with proper support and protection to prevent damage or leaks. Regular maintenance and inspection should also be conducted to ensure the longevity and efficiency of the underground compressed air system.
Q:Can ductile iron pipes be used for underground hydropower systems?
Yes, ductile iron pipes can be used for underground hydropower systems. Ductile iron pipes are known for their strength and durability, making them suitable for various applications, including underground installations. They have excellent resistance to corrosion and can withstand high pressure, making them ideal for carrying water in hydropower systems. Ductile iron pipes also have a long lifespan, reducing the need for frequent replacements and minimizing maintenance costs. Additionally, they have good joint integrity, ensuring leak-free connections underground. Therefore, ductile iron pipes are a reliable choice for underground hydropower systems.
Q:How does ductile iron pipe handle traffic loads and vibrations?
Ductile iron pipe is well-equipped to handle traffic loads and vibrations due to its inherent strength and durability. The material properties of ductile iron, such as its high tensile strength and impact resistance, make it a reliable choice for withstanding heavy loads and vibrations caused by traffic. When subjected to traffic loads, ductile iron pipe has the ability to distribute the weight effectively, minimizing stress concentrations and potential damage. This is due to its flexible nature, which allows it to absorb and dissipate the forces exerted by traffic, preventing cracks or fractures from forming. Moreover, ductile iron pipe's ability to dampen vibrations is another advantage. Its high density and stiffness help to absorb and dissipate the energy generated by vibrations, reducing their impact on the pipe and surrounding infrastructure. This is crucial in areas with heavy traffic or construction activities, where vibrations can be common. Furthermore, ductile iron pipes are often designed and manufactured to meet industry standards and specifications, ensuring they can withstand the anticipated traffic loads and vibrations. These pipes are commonly used in water distribution systems, sewers, and underground infrastructure, where they are subjected to various dynamic loads and vibrations. In summary, ductile iron pipe is an excellent choice for handling traffic loads and vibrations due to its strength, flexibility, and ability to dampen vibrations. Its reliable performance under these conditions makes it a preferred material for infrastructure projects, ensuring long-term durability and minimal impact on the pipe's structural integrity.
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.
Q:What is the expected joint flexibility of ductile iron pipes?
Due to the inherent material properties of ductile iron pipes, their expected joint flexibility is typically high. Ductile iron is renowned for its exceptional ductility, which enables it to deform without fracturing. This quality empowers ductile iron pipes to withstand external loads, ground movement, and pressure fluctuations without significant damage. To accommodate movement, the joints in ductile iron pipes are usually designed to provide additional flexibility. The most commonly used joint type in ductile iron pipes is the push-on joint. This joint type permits angular deflection and axial movement. It consists of a rubber gasket that creates a watertight seal and allows for slight movement between pipe sections. The expected joint flexibility varies depending on several factors, such as pipe diameter, joint type, and installation methods. Generally, ductile iron pipes can accommodate angular deflection within a certain range, typically ranging from 5 to 10 degrees, depending on the joint design. Axial movement can also be accommodated to some extent, allowing for the expansion and contraction of the pipe system. It is important to note that the specific manufacturer and product specifications may affect joint flexibility. Therefore, it is recommended to consult the manufacturer's guidelines and specifications to determine the expected joint flexibility of a particular ductile iron pipe product.
Q:What does ductile iron pipe "K" mean?
1 、 pipe fittings are K type, T type, etc.;2 wall thickness registration symbol. For example, according to the pipe quality standards GB/T13295-K9, which is the wall thickness ofK=9* (DN/1000+0.5)

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