DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1100

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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 is the internal lining used in ductile iron pipes?: The internal lining used in ductile iron pipes is typically a cement mortar lining.

Q: Can ductile iron pipes be used for underground hydrocarbon pipelines?: Yes, ductile iron pipes can be used for underground hydrocarbon pipelines. Ductile iron is a strong and durable material that is commonly used in various applications including water and sewage systems, gas pipelines, and even hydrocarbon pipelines. Ductile iron pipes have excellent corrosion resistance properties and can withstand high pressures, making them suitable for transporting hydrocarbons underground. However, it is important to consider factors such as the specific composition of the hydrocarbons being transported and the environmental conditions of the pipeline route to ensure proper material selection and corrosion protection measures are implemented.

Q: What is the expected noise reduction of ductile iron pipes?: The expected noise reduction of ductile iron pipes can vary depending on several factors, including the specific characteristics of the pipe material and design, the installation method, and the surrounding environment. However, generally speaking, ductile iron pipes have been found to provide significant noise reduction compared to other pipe materials. Ductile iron pipes are known for their superior acoustic performance due to their dense and robust construction. The material's high density helps to absorb and dampen noise vibrations, reducing the transmission of sound waves through the pipe. Additionally, the smooth internal surface of ductile iron pipes minimizes turbulence and friction, further contributing to noise reduction. Various studies and field tests have shown that ductile iron pipes can achieve noise reductions ranging from 10 to 20 decibels (dB) or even higher, depending on specific conditions. These noise reductions can significantly improve the acoustic environment in areas where the pipes are used, such as residential areas, hospitals, or schools. It is important to note that while ductile iron pipes can provide substantial noise reduction, other factors such as pipe connections, fittings, and valves can affect the overall acoustic performance. Proper installation techniques, including the use of effective seals and dampers, can further enhance noise reduction. In conclusion, ductile iron pipes are expected to deliver notable noise reduction benefits due to their dense construction, smooth internal surface, and efficient installation methods. However, it is essential to consider the specific project requirements and consult with professionals to determine the expected noise reduction levels based on the particular circumstances.

Q: What are the advantages of using ductile iron pipes?: There are several advantages of using ductile iron pipes in various applications. Firstly, ductile iron pipes have a high strength-to-weight ratio, making them a cost-effective choice for transporting fluids or gases. They can withstand high internal and external pressures, ensuring reliable and efficient transportation of materials. Secondly, ductile iron pipes have excellent corrosion resistance. They are resistant to rust and other forms of corrosion, which extends their lifespan and reduces maintenance costs. This makes them suitable for underground and underwater applications where corrosive elements are present. Additionally, ductile iron pipes have superior ductility, meaning they can withstand heavy external loads and impacts without cracking or breaking. This makes them less susceptible to damage during installation or when exposed to harsh environmental conditions. Moreover, ductile iron pipes have excellent flow characteristics. Their smooth inner surface minimizes friction and pressure losses, resulting in efficient fluid flow and reduced pumping costs. This is especially advantageous in applications where high flow rates or long-distance transportation is required. Furthermore, ductile iron pipes are environmentally friendly. They are made from recycled materials and can be recycled themselves, reducing the demand for raw materials and minimizing environmental impact. Additionally, their long service life minimizes the need for frequent replacements, further reducing waste generation. Lastly, ductile iron pipes have versatile installation options. They can be installed using various techniques such as trenchless methods, which minimize disruption to the surrounding environment and reduce installation costs. Their adaptability and ease of installation make them a preferred choice for various construction projects. Overall, the advantages of using ductile iron pipes include their high strength, corrosion resistance, ductility, flow characteristics, environmental friendliness, and versatile installation options. These factors make them a reliable and cost-effective choice for numerous applications in various industries.

Q: What are the different types of fittings available for ductile iron pipe?: There are several types of fittings available for ductile iron pipe, including elbow fittings, tee fittings, cross fittings, reducer fittings, flanged fittings, and mechanical joint fittings. These fittings are designed to connect and redirect the flow of the pipe, ensuring a secure and efficient system.

Q: Are ductile iron pipes suitable for desalination plants?: Yes, ductile iron pipes are suitable for desalination plants. Desalination plants typically require the transportation of large volumes of water, and ductile iron pipes offer several advantages that make them suitable for this purpose. Firstly, ductile iron pipes have excellent strength and durability, which is essential for withstanding the high pressure and corrosive nature of the desalinated water. They can handle the high flow rates and maintain structural integrity over long distances, ensuring a reliable and efficient water transport system. Additionally, ductile iron pipes have good resistance to corrosion, which is crucial in desalination plants where the water may contain high levels of salt and other minerals. The corrosion resistance properties of ductile iron pipes ensure that the water quality is not compromised and that the pipes have a long service life, reducing maintenance and replacement costs. Furthermore, ductile iron pipes have a high impact resistance, which is important in desalination plants where pipelines may be subjected to external forces or accidental damage. Their ability to withstand such impacts reduces the risk of leaks, ensuring the continuous and uninterrupted supply of water. Moreover, ductile iron pipes are also cost-effective compared to other pipe materials such as stainless steel or PVC. They have a lower initial cost and require less maintenance, making them a more economical choice for desalination plants. In conclusion, ductile iron pipes are indeed suitable for desalination plants due to their strength, durability, corrosion resistance, impact resistance, and cost-effectiveness. These pipes can effectively handle the demanding requirements of desalination plants, providing a reliable and efficient water transport system.

Q: How does ductile iron pipe perform in sandy or unstable soils?: Due to its inherent strength and flexibility, ductile iron pipe exhibits exceptional performance in sandy or unstable soils. Its composition, which includes a combination of iron, carbon, and small amounts of other elements, grants it superior mechanical properties compared to other pipe types. In sandy soils, where the ground may shift and cause pipe movement and deformation, ductile iron's high tensile strength and elongation characteristics enable it to withstand pressure and stress without fracturing or breaking. Its flexibility allows it to accommodate soil movement and settlement, reducing the risk of pipe failure. Furthermore, ductile iron pipe's resistance to corrosion makes it highly suitable for installation in sandy soils. The application of protective linings and coatings on both the interior and exterior of the pipe prevents corrosive elements in the soil from attacking the iron, ensuring durability and reliability in the long term. In unstable soils with varying compaction levels or weak load-bearing capacity, ductile iron pipe's sturdy construction provides stability and support. Its robustness allows for even distribution of loads, minimizing the chances of pipe deflection or collapse. Moreover, the joint design and sealing methods of ductile iron pipe, such as push-on joints or mechanical joints with rubber gaskets, offer excellent leak resistance and prevent soil infiltration. This further enhances its performance in sandy or unstable soils. Overall, the combination of strength, flexibility, corrosion resistance, and reliable joint systems makes ductile iron pipe an ideal choice for applications in sandy or unstable soils. It provides a long-lasting and efficient solution for the transmission of water and wastewater.

Q: How can the connection of ductile iron pipe elbow be convenient for connecting?: The groove connecting pipe consists of two categories of products: sealing function of pipe connections with rigid joint, flexible joint, mechanical three and groove flange; the pipe connections transition of elbow, three links, four links, different diameter pipe, blind plate etc..

Q: How are ductile iron pipes tested for quality assurance?: Ductile iron pipes are tested for quality assurance through various methods such as hydrostatic testing, visual inspection, and mechanical testing. Hydrostatic testing involves subjecting the pipes to high-pressure water to check for any leaks or weaknesses. Visual inspection is carried out to identify any surface defects or irregularities that may affect the quality of the pipe. Mechanical testing includes conducting tensile strength tests, elongation tests, and hardness tests to ensure that the pipes meet the required standards and can withstand the intended application. These testing procedures help ensure the quality and reliability of ductile iron pipes.

Q: What is the expected corrosion rate of ductile iron pipes?: Several factors can influence the expected corrosion rate of ductile iron pipes, including the specific environment in which they are installed, the pH and composition of the water or soil they come into contact with, and the presence of any corrosive substances or chemicals. Compared to materials like cast iron or steel, ductile iron pipes are well-known for their excellent resistance to corrosion. This is because they naturally develop a protective layer called a passive film on their surface when exposed to oxygen in the environment. This passive film acts as a barrier, preventing further corrosion. However, it is important to acknowledge that even ductile iron pipes can experience some degree of corrosion over time, especially in aggressive or highly corrosive environments. The expected corrosion rate can vary from very low to moderate, depending on the aforementioned factors. To ensure the durability and performance of ductile iron pipes, it is advisable to follow proper maintenance and monitoring practices. This includes regular inspections, cleaning, and the application of protective coatings or linings when necessary. Furthermore, implementing a cathodic protection system can further enhance the pipes' corrosion resistance. Ultimately, consulting experts and professionals in the field of corrosion and pipe materials is crucial for accurately determining the expected corrosion rate of ductile iron pipes in a specific application or environment.

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