DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN150

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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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Ductile Iron Pipe On Sale Made In China DN300

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 pipes be used for underground fire hydrant systems?: Yes, ductile iron pipes can be used for underground fire hydrant systems. Ductile iron pipes are known for their strength and durability, making them suitable for underground applications. They have excellent resistance to corrosion and can withstand high pressures, which are essential requirements for fire hydrant systems. Additionally, ductile iron pipes have a long service life, reducing the need for frequent replacements and maintenance, making them a cost-effective choice for fire hydrant systems.

Q: Are ductile iron pipes suitable for installation in areas with high groundwater salinity?: Areas with high groundwater salinity are generally suitable for the installation of ductile iron pipes. Ductile iron is renowned for its resistance to corrosion, making it a favored choice for various applications, such as water and wastewater systems. High groundwater salinity refers to the increased presence of dissolved salts in the water. Although this can potentially cause corrosion in certain materials, ductile iron pipes are specifically engineered to withstand such conditions. These pipes are equipped with a protective lining, usually composed of cement mortar or polyurethane, which acts as a barrier between the pipe and its surroundings, including highly saline water. The lining serves to prevent any corrosive effects of the high groundwater salinity on the iron pipe, ensuring its long-lasting durability and reliability. Furthermore, ductile iron pipes possess a high tensile strength, enabling them to endure external loads and pressure, even in demanding environments. It is important to acknowledge that the suitability of ductile iron pipes for areas with high groundwater salinity can also be influenced by factors such as the specific levels of salinity, the presence of other corrosive agents, and the overall design and installation practices. Therefore, it is advisable to consult experts or engineers who are familiar with the local conditions in order to determine the most appropriate materials and precautions for specific installation projects.

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: How are ductile iron pipes protected against interior corrosion?: Ductile iron pipes are protected against interior corrosion through a process known as cement mortar lining. This involves applying a layer of cement mortar to the interior surface of the pipe. The cement mortar acts as a protective barrier, preventing the corrosive elements in the water or fluid from coming into direct contact with the iron material. To apply the cement mortar lining, the interior surface of the ductile iron pipe is first prepared by removing any loose scale or debris. Then, a cement mortar mixture is prepared by combining cement, sand, and water to form a paste-like consistency. This mixture is then applied to the pipe's interior surface using a spinning machine or manually by skilled workers. Once the cement mortar lining is applied, it is left to cure for a specific period of time, typically around 24 hours. During this curing process, the cement mortar hardens and forms a dense protective layer on the pipe's interior surface. The cement mortar lining offers various benefits in protecting ductile iron pipes against corrosion. It provides a smooth and continuous surface that prevents the water or fluid from directly contacting the iron material, reducing the risk of corrosion. Additionally, the cement mortar lining also helps to reduce the friction within the pipe, improving flow efficiency. Regular inspection and maintenance of the cement mortar lining are essential to ensure its effectiveness in preventing corrosion. Over time, the lining may develop cracks or deteriorate, which can compromise its protective properties. Therefore, it is important to periodically inspect the lining and repair or replace it as needed to maintain the integrity of the ductile iron pipes and prevent interior corrosion.

Q: How much water seepage is allowed in the water pressure test for water hose DN300?: The main control parameters of ductile iron pipes are nominal diameter, working pressure, connection mode, etc.. Light, high, thin wall, pressure resistance, shock resistance, corrosion resistance, earthquake resistance and other properties. The flexible interface is used for the pipeline interface, and there is a certain elongation and deflection angle. He has the advantages of raw iron pipes and steel pipes, avoiding the defects of iron and steel.

Q: Can ductile iron pipe be used for wastewater treatment plant applications?: Yes, ductile iron pipe can be used for wastewater treatment plant applications. Ductile iron pipes have several properties that make them suitable for such applications. Firstly, ductile iron is highly resistant to corrosion, which is crucial in wastewater treatment plants where the presence of chemicals and water can lead to rust and degradation of pipes. Additionally, ductile iron pipes have high tensile strength and durability, making them able to withstand the demands of wastewater treatment processes. Furthermore, ductile iron pipes are also known for their flexibility, which allows for easy installation and maintenance in complex wastewater treatment systems. Overall, ductile iron pipe is a reliable and cost-effective choice for wastewater treatment plant applications.

Q: What is the use of ductile iron?: Manufacturer of automotive diesel engines are starting from the prolong engine life, particularly cautious about expressing selection of crankshaft material, when the isothermal bainitic ductile iron and high strength in order to increase the power to weight ratio, expand the turbocharger use influence design according to the material, equipped with exhaust turbocharger tube the temperature is increased to 500 to 70. C, in this condition, the oxidation and creep strength become important. Ductile iron, with good properties, is being used instead of gray iron for the exhaust pipe and will further use silicon aluminum alloy ductile iron as the temperature increases.

Q: What is the typical lifespan of ductile iron pipe?: The typical lifespan of ductile iron pipe can vary depending on various factors such as the quality of the pipe, the conditions it is exposed to, and the maintenance practices employed. However, on average, ductile iron pipe has a lifespan of around 100 years. This is due to its inherent strength and durability, which allows it to withstand high pressure and various environmental conditions. Additionally, ductile iron pipe is often coated with protective materials such as cement mortar lining or polyethylene encasement, further enhancing its longevity. Regular inspections and maintenance can also help extend the lifespan of ductile iron pipe, ensuring that any issues or potential damages are identified and addressed promptly.

Q: Are there any special coatings or linings available for ductile iron pipe?: Yes, there are special coatings and linings available for ductile iron pipe. These coatings and linings are designed to enhance the durability and longevity of the pipe by providing protection against corrosion, abrasion, and other external factors. Some commonly used coatings and linings for ductile iron pipe include cement mortar lining, polyethylene encasement, and epoxy coatings. These protective measures help to extend the lifespan of the ductile iron pipe and ensure reliable performance in various applications.

Q: What is the expected maintenance for ductile iron pipes?: To ensure the longevity and optimal performance of ductile iron pipes, regular inspections and preventative measures are required. The first step is to conduct routine visual inspections to detect any signs of corrosion, leaks, or damage. By examining the external surface for cracks, rust, or discoloration, potential issues can be identified at an early stage. In addition, periodic cleaning of the pipes is necessary to eliminate any debris or sediment build-up that could obstruct the water flow. This can be accomplished by flushing the pipes or utilizing mechanical cleaning techniques. It is also crucial to regularly check and maintain the protective coatings on the pipes, such as linings or external paints, to prevent corrosion and maintain their structural integrity. To extend the lifespan of ductile iron pipes, a comprehensive corrosion control program should be implemented. This may involve applying corrosion inhibitors, utilizing cathodic protection systems, and periodically re-coating the pipes. Regular monitoring of water chemistry parameters, such as pH levels and chlorine content, can further prevent corrosion and prolong the pipes' lifespan. Lastly, maintaining accurate records of maintenance activities, such as inspections, cleaning, and repairs, is essential for tracking the condition of the pipes over time. This enables proactive planning for future maintenance and replacement requirements, ensuring the efficient and reliable functioning of ductile iron pipes.

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