DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN1300

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN1300

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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:Can ductile iron pipe be used for irrigation systems?: Yes, ductile iron pipe can be used for irrigation systems. Ductile iron is a strong and durable material that can withstand the high pressure and constant flow of water required for irrigation systems. It is resistant to corrosion, making it suitable for underground applications where it may come into contact with moisture and soil. Additionally, ductile iron pipes have the advantage of being able to handle heavy loads, which is important for irrigation systems that may require the use of heavy machinery or vehicles. Overall, ductile iron pipe is a reliable and long-lasting choice for irrigation systems.

Q:What is the expected burst pressure of ductile iron pipes?: Several factors, including the diameter, wall thickness, and grade of ductile iron, can influence the expected burst pressure of ductile iron pipes. However, ductile iron pipes are typically designed and manufactured to withstand high-pressure loads. Typically, the expected burst pressure of ductile iron pipes ranges from 350 psi to 700 psi. It is important to note that this is a general range, and the actual burst pressure can vary depending on the specific design and manufacturing standards followed. To determine the exact expected burst pressure for a specific ductile iron pipe, it is advisable to refer to the manufacturer's specifications or relevant industry standards such as the American Water Works Association (AWWA) C150 or ISO 2531. These guidelines provide recommendations for ductile iron pipes and their performance under different conditions. Additionally, local building codes and regulations may also include specific requirements for the installation of ductile iron pipes.

Q:Can ductile iron pipes be recycled?: Yes, ductile iron pipes can be recycled. Ductile iron is a highly recyclable material, and the pipes can be melted down and reused in various applications, reducing the need for raw materials and promoting a more sustainable approach to infrastructure development.

Q:Can ductile iron pipes be used in geothermal systems?: Yes, ductile iron pipes can be used in geothermal systems. Ductile iron pipes are known for their high strength and durability, making them a suitable choice for various applications, including geothermal systems. Geothermal systems involve the extraction of heat from the earth's subsurface, which requires a reliable and robust piping system to transport the geothermal fluid. Ductile iron pipes are capable of withstanding high temperatures and pressures, making them ideal for carrying hot geothermal fluids. Additionally, ductile iron pipes have excellent corrosion resistance, which is important for geothermal systems as they often involve the circulation of corrosive fluids. Overall, ductile iron pipes are a viable option for geothermal systems due to their strength, durability, and resistance to high temperatures and corrosion.

Q:How does ductile iron pipe handle soil movements and settlements?: Ductile iron pipe is known for its ability to handle soil movements and settlements effectively. The material's flexibility and durability make it suitable for accommodating ground shifts and settling without compromising its structural integrity. One key characteristic of ductile iron pipe is its inherent strength and resilience. It can withstand external pressures and stress caused by soil movements, such as lateral forces and ground settlement. This is due to its high tensile strength, which allows it to resist deformation and maintain its shape even under significant loads. Moreover, ductile iron pipe's flexibility plays a vital role in its ability to handle soil movements. The pipe's inherent flexibility allows it to absorb the effects of ground shifts and movements without fracturing or breaking. It can bend and adapt to changes in the surrounding soil, reducing the risk of pipe failure or leakage. Additionally, ductile iron pipe's joint design contributes to its effectiveness in handling soil movements and settlements. The push-on joint system used in ductile iron pipe installation allows for some movement and settlement without compromising the overall integrity of the pipeline. The joints can absorb and distribute stress and movement, reducing the risk of pipe failure. In conclusion, ductile iron pipe is highly capable of handling soil movements and settlements. Its strength, flexibility, and joint design allow it to withstand external pressures caused by ground shifts, settling, and other soil movements. This makes ductile iron pipe a reliable choice for various applications where soil movement is a concern.

Q:How are ductile iron pipes different from PVC pipes?: Ductile iron pipes and PVC pipes are utilized extensively in plumbing and water distribution systems, but they differ significantly in terms of their composition and properties. Ductile iron pipes are crafted from a particular form of cast iron that contains graphite nodules, which provide the material with ductility and flexibility. Consequently, these pipes can endure high pressures and heavy loads without succumbing to breakage or cracking. Ductile iron pipes are renowned for their robustness and longevity, making them particularly suitable for underground applications and areas with substantial traffic. Conversely, PVC pipes are constructed from a plastic known as polyvinyl chloride. These pipes possess rigidity and lack the same level of strength as ductile iron pipes. PVC pipes are commonly employed in low-pressure scenarios, such as residential plumbing systems, irrigation, and drainage systems. These pipes are lightweight, easy to install, and resistant to corrosion, rendering them a favored option for residential and non-industrial purposes. The cost disparity between ductile iron pipes and PVC pipes represents another distinction. Due to higher material and production expenses, ductile iron pipes tend to be pricier. Conversely, PVC pipes are relatively inexpensive to manufacture, making them a cost-effective choice for numerous plumbing projects. In summary, the primary disparities between ductile iron pipes and PVC pipes involve their composition, strength, flexibility, and cost. Ductile iron pipes, formed from cast iron, are celebrated for their strength and durability, while PVC pipes, formed from plastic, are lighter and more cost-effective. The selection between these two types of pipes depends on the specific demands of the plumbing project, including pressure, load-bearing capacity, and budgetary considerations.

Q:How does ductile iron pipe perform in areas with high seismic activity?: Ductile iron pipe is known for its exceptional strength and durability, which makes it well-suited for areas with high seismic activity. Seismic events, such as earthquakes, can subject pipelines to significant stress and strain, causing them to rupture or fail. However, ductile iron pipe has the ability to withstand these dynamic forces due to its unique material properties. One of the key advantages of ductile iron pipe in seismic areas is its superior flexibility. Unlike rigid materials such as cast iron or steel, ductile iron has a higher degree of elasticity, allowing it to deform and absorb energy during seismic events. This flexibility helps to dissipate the seismic forces, reducing the risk of pipe failure and minimizing damage to the overall pipeline system. Moreover, ductile iron pipe is manufactured with a high level of ductility, meaning it can undergo considerable deformation without fracturing. This property is crucial in seismic zones as it enables the pipe to withstand ground movements and seismic waves without compromising its structural integrity. The ability of ductile iron to absorb and redistribute stress also helps to prevent localized failures, ensuring the overall stability and reliability of the pipeline system. Additionally, ductile iron pipe is highly resistant to corrosion, which is especially important in high seismic areas where the integrity of the pipe may be compromised by ground movement and subsequent water leaks. The corrosion resistance of ductile iron ensures the longevity and reliability of the pipeline system, reducing the risk of leaks or failures during seismic events. In conclusion, ductile iron pipe performs exceptionally well in areas with high seismic activity due to its superior flexibility, high ductility, and corrosion resistance. These properties allow the pipe to withstand the dynamic forces generated during seismic events, providing a reliable and long-lasting solution for transporting fluids and ensuring the safety of communities in earthquake-prone regions.

Q:How are ductile iron pipes joined to fittings and valves?: Fittings and valves are commonly connected to ductile iron pipes using either flanged connections or mechanical joints. Flanged connections involve the use of circular discs called flanges, which have evenly spaced holes around the edge. These flanges are bolted together to create a tight seal between the pipe and the fitting or valve. To connect a ductile iron pipe to a fitting or valve using a flanged connection, the pipe end is first prepared by cleaning and removing any rough edges. Then, a gasket made of rubber or another suitable material is placed between the pipe end and the flange face. The flange is aligned with the pipe, and bolts are inserted through the holes in the flange, passing through corresponding holes in the fitting or valve. Once all the bolts are in place, they are tightened evenly, gradually applying pressure to compress the gasket and create a secure, leak-proof seal. To ensure proper alignment and sealing, the bolts are typically tightened in a specific pattern or sequence. Alternatively, mechanical joints can be used to join ductile iron pipes to fittings and valves. This involves inserting a rubber gasket or gland into a groove on the pipe end. The fitting or valve also has a corresponding groove, and when the two are brought together, the gasket is compressed to create a tight seal. Mechanical joints offer some flexibility, allowing for slight movement or expansion and contraction of the pipe. This is beneficial in applications where there may be thermal variations or ground movement, as it reduces the risk of pipe failure. Both flanged connections and mechanical joints are widely used in various industries and applications that require the connection of ductile iron pipes to fittings and valves. The choice of joining method depends on factors such as the specific application, pipe size, pressure requirements, and local codes and regulations.

Q:Are ductile iron pipes resistant to seismic events?: Yes, ductile iron pipes are resistant to seismic events. Ductile iron has excellent strength and flexibility, allowing it to withstand ground movement during earthquakes without fracturing or failing. This makes it a reliable choice for underground infrastructure in areas prone to seismic activity.

Q:What is the cost of ductile iron pipe compared to other pipe materials?: The cost of ductile iron pipe compared to other pipe materials can vary depending on various factors such as the size, length, and specific requirements of the project. However, generally speaking, ductile iron pipe tends to be more expensive than some of the alternative pipe materials such as PVC or HDPE (high-density polyethylene) pipes. Ductile iron pipe is known for its exceptional strength and durability, making it suitable for a wide range of applications including water distribution, wastewater systems, and industrial piping. Its robustness and longevity contribute to its higher cost compared to other pipe materials. On the other hand, PVC and HDPE pipes are often more affordable options due to their lower production and material costs. Additionally, these materials are lightweight, easy to install, and resistant to corrosion, which can lead to cost savings during installation and maintenance. It is important to note that while ductile iron pipe may have a higher upfront cost, its superior strength and longevity can result in long-term cost savings by minimizing the need for frequent repairs or replacements. The choice of pipe material should be made considering the specific project requirements, budget constraints, and the anticipated lifespan of the infrastructure.

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