Ductile Iron Pipe DN2000 K9

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Loading Port:: Tianjin

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Place of Origin:	China (Mainland)	Brand Name:	CMAX	Model Number:	T type / K type / Flange type
Length:	6m / 5.7m / Negotiable	Standard:	ISO2531 / EN545 / EN598	Application:	Potable / Sewage water
Diameter:	DN80~DN2200	Shape:	Round	Hardness:	230
Pipe Wall Thickness:	standard	Pull Strength:	420	Yield (≥ MPa):	300
Material:	Ductile Iron	Type:	Centrifugal ductile cast iron pipe	Certification:	ISO2531 / EN545 / EN598
Outer Diameter:	80-2200	Thickness:	standard	Specification:	DN80~DN2200

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Q: Can ductile iron pipes be used in potable water systems?: Ductile iron pipes are indeed suitable for use in potable water systems. They belong to the cast iron category but possess increased strength and ductility. Their durability, resistance to corrosion, and long lifespan make them a popular choice for water infrastructure, especially potable water systems. These pipes are produced in accordance with specific standards and regulations governing the use of potable water, ensuring the safe transportation of drinking water. Moreover, ductile iron pipes exhibit exceptional flow characteristics, making them well-suited for water distribution systems. All in all, ductile iron pipes are a dependable and frequently employed material in potable water systems.

Q: Are there any special coatings or linings used for ductile iron pipes?: Ductile iron pipes utilize specialized coatings and linings to protect against corrosion and increase their lifespan. The interior and exterior surfaces of the pipes are treated with these coatings and linings. Several popular options for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is frequently employed to create a safeguarding layer on the inside of ductile iron pipes. This mixture of cement, sand, and water is applied to the pipe's interior surface. By doing so, it effectively prevents corrosion caused by water or other fluids flowing through the pipes. Polyethylene encasement is an additional protective coating used for ductile iron pipes. This method involves enveloping the pipes with a layer of polyethylene material. This barrier protects against environmental factors and inhibits direct contact between the pipe and the surrounding soil, minimizing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is administered to the exterior of ductile iron pipes. This coating provides exceptional corrosion resistance and mechanical protection. FBE coating is often utilized in aggressive environments where pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is another type of lining employed for ductile iron pipes. It offers superior resistance to both corrosion and abrasion. This liquid polymer lining is sprayed onto the interior surface of the pipes, resulting in a smooth and durable protective layer that extends the life of the pipes. These coatings and linings are essential for maintaining the integrity and longevity of ductile iron pipes, ensuring optimal performance in a variety of applications such as water distribution, wastewater management, and industrial processes.

Q: Can ductile iron pipes be used for underground oil and gas pipelines?: Yes, ductile iron pipes can be used for underground oil and gas pipelines. Ductile iron is a strong and durable material that can withstand the high pressure and corrosive nature of oil and gas transportation. It has excellent tensile strength and impact resistance, making it suitable for underground applications. Ductile iron pipes are also resistant to external loads, which is important for underground pipelines that may be subject to soil movement or heavy traffic. Furthermore, ductile iron pipes can be easily jointed, allowing for efficient installation and maintenance. However, it is important to consider factors such as soil conditions, environmental factors, and specific project requirements before choosing ductile iron pipes for underground oil and gas pipelines.

Q: Can ductile iron pipe be used for water treatment plants?: Yes, ductile iron pipe can be used for water treatment plants. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for transporting water and other fluids in various industrial applications, including water treatment plants.

Q: What is the expected buoyancy of ductile iron pipes?: Several factors, including diameter, wall thickness, and fluid specific gravity, can influence the expected buoyancy of ductile iron pipes. However, in general, ductile iron pipes are recognized for their relatively low buoyancy compared to materials like plastic or concrete. Ductile iron pipes possess a higher density and weight, resulting in a greater resistance to buoyancy forces. This quality makes them suitable for applications where buoyancy is a concern, such as water and wastewater transmission systems. Their inherent strength and weight combination ensures that the pipes stay grounded and do not float or rise to the surface. It is important to acknowledge that despite the lower buoyancy of ductile iron pipes compared to other materials, there may still be some level of buoyancy in certain scenarios, particularly when the fluid being transported has a lower specific gravity. To address this potential issue, measures like anchoring or ballasting can be employed to guarantee the stability and integrity of the pipeline system. In conclusion, while the expected buoyancy of ductile iron pipes is generally low, it is crucial to consider the specific conditions and requirements of the project to determine the most suitable pipe material and design for optimal performance and safety.

Q: How to distinguish flexible and rigid interfaces between cast iron pipe joints: Rigidity is a way of connection that has been eliminated. Sealing is achieved by pouring cement into the spigot

Q: Can ductile iron pipe be used for wastewater treatment plant sludge dewatering?: Ductile iron pipe is suitable for the dewatering of sludge in wastewater treatment plants. Its durability, strength, and resistance to corrosion make it a popular choice in these facilities. The pipes can withstand the harsh conditions and abrasive characteristics of the sludge dewatering process. Moreover, their leak-proof joints are essential in preventing any sludge leakage during dewatering. Furthermore, ductile iron pipes come in different sizes and are easy to install, making them a convenient option for wastewater treatment plant sludge dewatering.

Q: Can ductile iron pipe be used for cooling water systems?: Yes, ductile iron pipe can be used for cooling water systems. Ductile iron pipe has excellent corrosion resistance, high tensile strength, and is capable of withstanding high-pressure conditions, making it suitable for various applications, including cooling water systems. Its durable and versatile nature allows it to effectively transport and distribute cooling water without the risk of leakage or failure. Additionally, ductile iron pipe is known for its long service life and low maintenance requirements, making it a cost-effective choice for cooling water systems.

Q: What material is ductile cast iron 235A?: Pig iron is an alloy of iron and carbon carbon content more than 2%, pig iron carbon content is generally in 2.5%--4%, including C, SI, and Mn, S, P and other elements, is the use of iron ores in blast furnace products. According to the different forms of carbon in pig iron, and can be divided into pig iron, cast iron and steel ball ductile cast iron. Several precipitation of spherical graphite cast iron. The cutting action on the metal substrate than spheroidal graphite flake graphite cast iron, the strength of the matrix organization strength of 70 ~ 90%, the tensile strength is up to 120kgf/mm2, and has good toughness. Ductile iron chemical composition besides iron usually contains: the amount of carbon 3.3.8%, silicon 2.3.0%, manganese, phosphorus, sulfur and no more than 1.5% of the total amount of rare earth, magnesium spheroiditic agent.

Q: How are ductile iron pipes protected against stray current corrosion?: Ductile iron pipes are protected against stray current corrosion through the implementation of various preventive measures and protective coatings. Stray current corrosion occurs when an electric current passes through the pipe, leading to accelerated corrosion and potential damage. To prevent this, the following measures are typically adopted: 1. Electrical isolation: Ductile iron pipes are electrically isolated from other metallic structures using insulating materials, such as rubber gaskets or non-conductive coatings. This isolation prevents the flow of stray current through the pipe, minimizing the risk of corrosion. 2. Cathodic protection: Cathodic protection is a widely used technique to protect ductile iron pipes from stray current corrosion. It involves the installation of sacrificial anodes or impressed current systems near the pipe. These anodes or systems release a controlled electric current, which counteracts the stray current and ensures that the iron pipe remains cathodically protected. 3. Coatings: Ductile iron pipes are typically coated with protective layers to enhance their resistance against corrosion. One common coating is a fusion-bonded epoxy (FBE) coating, which provides a high level of protection against stray current corrosion. FBE coatings act as a barrier, preventing the electrical contact between the pipe and the surrounding environment. 4. Monitoring and maintenance: Regular monitoring and maintenance are essential to ensure the ongoing protection of ductile iron pipes against stray current corrosion. This involves inspecting the protective coatings for any damage or degradation and promptly repairing or replacing them as needed. Additionally, monitoring systems can be installed to detect and measure stray currents, allowing for timely intervention if necessary. By implementing these protection measures, ductile iron pipes can effectively guard against stray current corrosion, prolonging their lifespan and ensuring the integrity of the pipeline infrastructure.

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