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High - Quality Ductile Iron Pipes GB/T13295 for Water Supply Systems - Factory Direct Sale1
Building Hardware, Construction Pipe Tube, Ductile Iron Pipe, Cast Iron Pipe
Taiyuan Jin Tai Technology Co,.Ltd
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Product Description Ductile Iron Pipe: The Cornerstone of Robust Pipeline InfrastructureIn the realm of pipeline infrastructure, few materials have proven as reliable, versatile, and enduring as ductile iron pipe (commonly referred to as DI pipe). A specialized type of cast iron pipe, ductile iron pipe has emerged as the preferred choice for a wide array of applications, particularly in water supply and sewage systems. This article delves into the key features, manufacturing process, applications, and advantages of ductile iron pipe, highlighting why it stands out as a top - tier option for municipal and industrial pipeline needs.Manufacturing Process: The Art of Centrifugally CastingDuctile iron pipe is manufactured through a meticulous process known as centrifugal casting. This method involves pouring molten iron into a spinning mold. As the mold rotates at high speeds, the centrifugal force distributes the molten iron evenly along the inner walls of the mold, creating a pipe with a consistent wall thickness. This unique manufacturing technique results in pipes with superior structural integrity and uniform properties. The molten iron used in the production of ductile iron pipe contains a precise amount of alloying elements, primarily magnesium. The addition of magnesium transforms the graphite in the iron from a flake - like structure (as in traditional cast iron) into tiny, spherical nodules. This change in graphite morphology is what gives ductile iron its exceptional mechanical properties. The spherical graphite nodules act as stress relievers, preventing the formation and propagation of cracks, and significantly enhancing the pipe's ductility, strength, and toughness compared to conventional cast iron pipe.Key Features and PropertiesHigh StrengthOne of the most remarkable features of ductile iron pipe is its high strength. It can withstand high internal pressures, making it ideal for water supply systems where maintaining consistent water pressure over long distances is crucial. Whether it's transporting water from a treatment plant to residential areas or industrial facilities, DI pipe can handle the pressure without the risk of bursting or leakage. Its high tensile strength also enables it to endure external loads, such as the weight of soil and traffic above ground, ensuring the longevity of the pipeline infrastructure.Corrosion ResistanceDuctile iron pipe is inherently resistant to corrosion, a critical factor in the longevity of pipelines. The formation of a protective layer of iron oxide on the surface of the pipe acts as a barrier against the elements. Additionally, various coating and lining options are available to further enhance its corrosion - resistant properties. For instance, cement mortar lining is commonly used in water supply pipes. This lining not only protects the inner surface of the pipe from corrosion but also helps maintain the quality of the water by preventing the leaching of iron or other contaminants into the water supply. For sewage pipes, where exposure to aggressive chemicals and bacteria is more common, special coatings can be applied to safeguard the pipe from degradation.DuctilityUnlike traditional cast iron pipe, which is brittle and prone to cracking under stress, ductile iron pipe has significant ductility. This property allows the pipe to deform slightly without breaking, making it more resilient to ground movement, vibrations, and temperature changes. In areas prone to earthquakes or where the soil conditions are variable, the ductility of DI pipe provides an added layer of protection, reducing the likelihood of pipeline failures and costly repairs.LongevityThanks to its high strength, corrosion resistance, and ductility, ductile iron pipe offers an extended service life. With proper installation and maintenance, these pipes can last for decades, making them a cost - effective solution for pipeline infrastructure projects. Municipalities and industries can rely on ductile iron pipes to provide reliable service over the long term, minimizing the need for frequent replacements and associated disruptions.ApplicationsWater Supply PipeDuctile iron pipe is widely used in municipal water supply systems. From large - diameter main transmission pipes that carry water from reservoirs and treatment plants to smaller distribution pipes that deliver water to individual homes and businesses, DI pipe ensures the safe and efficient transportation of potable water. Its corrosion resistance and ability to maintain water quality make it a trusted choice for safeguarding public health. Moreover, the high strength of the pipe allows for the construction of water supply networks that can meet the increasing demands of growing urban populations.Sewage PipeIn sewage systems, ductile iron pipe plays a vital role in transporting wastewater from homes, commercial establishments, and industrial facilities to treatment plants. The pipe's resistance to corrosion from the various chemicals and biological agents present in sewage is essential for preventing leaks and environmental contamination. The durability and strength of DI pipe also ensure that it can handle the fluctuating flow rates and pressures typical of sewage systems, providing a reliable means of wastewater conveyance.Other ApplicationsBeyond water supply and sewage systems, ductile iron pipe is used in a variety of other applications. It is commonly employed in irrigation systems, where its strength and durability allow it to withstand the rigors of agricultural use. In industrial settings, DI pipe is used for the transportation of various fluids, such as cooling water, chemicals, and petroleum products. Its adaptability to different operating conditions makes it a versatile option for industrial pipeline needs.Comparison with Other Pipe MaterialsWhen compared to other pipe materials, such as plastic pipes and steel pipes, ductile iron pipe offers distinct advantages. While plastic pipes may be lightweight and easy to install, they often lack the strength and durability of DI pipe, especially in high - pressure applications. Plastic pipes are also more susceptible to damage from UV radiation and mechanical impacts, limiting their lifespan in outdoor environments. Steel pipes, on the other hand, are strong but are highly prone to corrosion without proper coating and maintenance. The cost of protecting steel pipes from corrosion can be substantial, and over time, corrosion can compromise the structural integrity of the pipe. Ductile iron pipe, with its inherent corrosion resistance and lower maintenance requirements, offers a more cost - effective and long - lasting solution for many pipeline applications.Environmental ConsiderationsDuctile iron pipe is an environmentally friendly option for pipeline infrastructure. Iron is one of the most abundant elements on Earth, and the production of ductile iron pipe has a relatively low environmental impact compared to some other materials. Additionally, ductile iron pipes are 100% recyclable. At the end of their service life, these pipes can be melted down and reused, reducing the demand for virgin materials and minimizing waste in landfills.ConclusionDuctile iron pipe is a cornerstone of modern pipeline infrastructure. Its unique combination of high strength, corrosion resistance, ductility, and longevity makes it an unparalleled choice for water supply, sewage, and a wide range of other applications. Through the innovative process of centrifugal casting and the addition of alloying elements, ductile iron pipe has overcome the limitations of traditional cast iron pipe, providing a reliable and efficient solution for transporting fluids. As the demand for robust and sustainable pipeline infrastructure continues to grow, ductile iron pipe will undoubtedly remain at the forefront, ensuring the safe and effective movement of water and wastewater for generations to come. Whether it's a small - scale municipal project or a large - scale industrial endeavor, DI pipe is the material of choice for those who prioritize quality, durability, and performance in pipeline systems.High-quality Ductile iron Pipe Parameters.SpecificationK7 Wall Thickness/mmK8 Wall Thickness/mmK9 Wall Thickness/mmTheoretical Weight/TonNominal Wall ThicknessMinimum Wall ThicknessNominal Wall ThicknessMinimum Wall ThicknessNominal Wall ThicknessMinimum Wall ThicknessDN80////64.70.077DN1004.22.94.83.564.70.095DN1504.553.255.23.964.70.144DN2004.93.66.54.36.34.80.194DN2505.253.9564.76.85.250.255DN3005.64.36.44.87.25.60.323DN3505.954.656.85.157.76.050.403DN4006.34.67.25.58.16.40.482DN4506.654.97.65.858.66.850.577DN50075.286.297.20.669DN6007.75.88.86.99.980.882DN7008.46.49.47.610.88.81.123DN8009.1710.48.311.79.61.394DN900//11.2912.610.41.691DN1000//129.713.511.22.017DN1200//13.611.115.312.82.758DN1400//15.212.517.114.43.669DN1500//1613.21815.24.175DN1600//16.813.918.9164.668DN1800//18.415.320.717.65.803DN2000//2016.722.519.27.043DN2200//21.618.124.320.88.332DN2400//23.220.326.122.49.822DN2600//24.820.927.92411.392K7, K8, and K9 are all calculated based on the same theoretical weight. Pressure - Bearing Performance Parameters of Ductile Iron PipesDNDE(mm)Pressure RatingRadial Rigidity(KN/M2)Nominal Wall Thickness(mm)PFAMPAPAMMPAPEAMPADN8098C408564.44.04.85.3DN100118C404814.44.04.85.3DN125144C402714.54.04.85.3DN150170C401634.54.04.85.3DN200222C40844.74.04.85.3DN250176C30524.9b3.03.64.1DN300326C30345.13.03.64.1DN350378C30446.3b3.03.64.1DN400429C25346.5b3.03.64.1DN450480C25236.5b2.53.0 3.5DN500532C25176.52.53.0 3.5DN600635C25177.6b2.53.0 3.5DN700738C25178.8b2.53.0 3.5DN800842C25159.62.53.0 3.5DN900945C251510.62.53.0 3.5DN10001048C251411.62.53.0 3.5DN11001152C251412.62.53.0 3.5DN12001255C251413.62.53.0 3.5DN14001462C251415.72.53.0 3.5DN15001565C251416.72.53.0 3.5DN16001668C251317.72.53.0 3.5DN18001785C251319.72.53.0 3.5DN20002082C251321.82.53.0 3.5DN22002288C251323.82.53.0 3.5DN24002495C251325.82.53.0 3.5DN26002702C251327.92.53.0 3.5DN28002908C251329.92.53.0 3.5DN30003115C251331.92.53.0 3.5Q1: Are you trading company or manufacturer ?A1: We are factory.Q2:Can I go to your factory to visit?A2:Of course, we welcome customers from all over the world to visit our factory.Q3: How long is your delivery time?A3: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according toquantity.Q4:What is the advantage about your company?A4:Our company has professional team and professional production line.Q5: The logo and the color can be customized?A5: Yes, we welcome you to sample customQ6: Any other good service your company can provide?A6:Yes,we can provide good after-sale and fast delivery.Q7:What product information do I need to provide?A7:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.Q8:Does the product have quality inspection before loading?A8:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely. Factory IntroductionWe are a specialized ductile iron pipe manufacturing factory based in Shanxi, China. With a rich heritage of over 20 years in this industry, we have established ourselves as a reliable and experienced player in the global market.Our ductile iron pipes have found their way to numerous countries across the globe. This wide - reaching export network is a testament to the trust that our international customers place in our products. The quality of our pipes has been recognized and praised by various sectors. We adhere to strict international quality standards, and our production facilities are equipped with state - of - the - art technology to ensure precision and consistency.Each batch of our products undergoes rigorous quality control checks. We conduct comprehensive tests on factors such as pipe strength, pressure - bearing capacity, and corrosion resistance. This meticulous approach to quality control has earned us a reputation for delivering products that are not only durable but also perform optimally in diverse applications, whether it's for water supply, gas transmission, or other infrastructure projects.
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