Ductil cast iron pipes, iron pipes, Ductil cast
- Ref Price:
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- Loading Port:
- Xiamen
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 1000 pc/month
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Ductile iron is manufactured by melitng, spheroidization, inoculation, and pouring. The manesium alloy addition produces a remarkable change in the mocrostructure by causing the carbon in the iron to aasume the spheroidal shapes. The spheroidal praphites are using the silicon alloy to inoculation treatment, at the same time, producing a finer grained iron matrix in the surrounging ferrite structure. As a result of this remarkable change, a far stonger, tougher and ductile material is obtained.
Our product have more than 30 years experience in waterworks industry, voasting advanced concepts and tremendous technological strength. We are dediate to design, manufacture and management of large diameter ductil cast iron pipes, precision casting, water supply equipment, wastewater treatment and seawater desalination. So if you have similar project, we can offer you a complete resolution.
Small quantity purchase can be shipped by containers, special size or big quantity should be shipped by bulk steak.
- Q:Which direction should the spigot of the K9 ductile iron pipe be installed?
- Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve greater runoff; from the installation and maintenance cost, ductile pipe have more favorable price. The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.
- Q:Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?
- 1, because of the bone in mortar, such as silicate products, there will be silicification reaction, in addition, there is the reaction of limestone in lime.2, cement mortar lining cover coating, that is, spray some paint! Some questions four are unavoidable
- Q:The benefits of ductile iron castings
- Its performance is close to carbon steel, but it has good casting performance, easy molding, better machinability than cast steel, better heat resistance, corrosion resistance and wear resistance than steel. And a very important one: cheap.
- Q:How are ductile iron pipes protected against internal scaling or buildup?
- Ductile iron pipes are protected against internal scaling or buildup through various methods. One of the most common methods is the application of cement mortar lining on the inner surface of the pipes. This lining acts as a protective barrier, preventing the formation of scale or buildup and ensuring a smooth flow of water or other fluids. Additionally, the pipes can be coated with a layer of polyethylene or other suitable materials to provide an extra level of protection against scaling or buildup. This coating acts as a barrier between the water and the iron surface, reducing the chances of corrosion or scale formation. Regular maintenance and cleaning are also crucial in preventing internal scaling or buildup in ductile iron pipes. Flushing the pipes with high-pressure water or using chemical treatments can help remove any accumulated scale or debris, ensuring the pipes remain clean and functional. Furthermore, proper water treatment is important to minimize the risk of scaling or buildup. Implementing appropriate water treatment processes, such as pH adjustment or the use of corrosion inhibitors, can help maintain the quality of the water and prevent the formation of scale or buildup inside the pipes. In conclusion, ductile iron pipes are protected against internal scaling or buildup through various measures, including cement mortar lining, pipe coating, regular maintenance, cleaning, and proper water treatment. These measures ensure the longevity and efficiency of the pipes, minimizing the chances of clogging or reduced flow capacity.
- Q:Do ductile iron pipes require internal linings or coatings?
- Ductile iron pipes do not typically require internal linings or coatings. Ductile iron is known for its inherent corrosion resistance, which is primarily due to its composition and microstructure. The iron in ductile iron pipes is treated with magnesium, resulting in the formation of graphite nodules that give the material its ductile properties. This microstructure also provides a protective layer on the surface of the pipe, which helps to prevent corrosion. Additionally, ductile iron pipes have been used for several decades without the need for internal linings or coatings, proving their durability and resistance to corrosion. The smooth interior surface of ductile iron pipes also helps to minimize friction and maintain efficient flow rates. However, in certain cases where the conveyed fluid is highly corrosive or abrasive, or if the water quality is aggressive, internal linings or coatings may be recommended. These linings or coatings can be applied to protect the pipe from chemical attack or to prevent the leaching of iron into the water supply. Ultimately, the decision to use internal linings or coatings on ductile iron pipes depends on various factors such as the specific application, water quality, and local regulations. Consulting with professionals in the field, such as engineers or pipe manufacturers, can provide more tailored advice for specific scenarios.
- Q:Can ductile iron pipes be used in areas with high soil settlement?
- Yes, ductile iron pipes can be used in areas with high soil settlement. Ductile iron pipes are known for their strength and durability, which makes them suitable for various soil conditions, including areas with high soil settlement. These pipes have the ability to withstand external loads and ground movement, making them an ideal choice for such areas. Additionally, ductile iron pipes have a high resistance to corrosion, which further enhances their suitability for use in areas with high soil settlement. However, it is important to consider factors such as proper installation techniques, appropriate bedding and backfill materials, and regular maintenance to ensure the longevity and performance of the ductile iron pipes in areas with high soil settlement. Consulting with a qualified engineer or pipe manufacturer can provide more specific guidance based on the site's conditions and requirements.
- Q:Can ductile iron pipe be used for geothermal heat exchange systems?
- Yes, ductile iron pipe can be used for geothermal heat exchange systems. Ductile iron pipe is known for its strength and durability, which makes it suitable for handling the high temperatures and pressures associated with geothermal heat exchange systems. Additionally, ductile iron pipe has excellent corrosion resistance, which is important in geothermal systems where minerals and chemicals in the ground can cause corrosion. Ductile iron pipe also has good thermal conductivity, allowing for efficient heat transfer in geothermal systems. Overall, ductile iron pipe is a reliable and cost-effective choice for geothermal heat exchange systems.
- Q:What are the different pressure classes available for ductile iron pipe?
- The different pressure classes available for ductile iron pipe include Class 100, Class 150, Class 200, Class 250, Class 300, Class 350, and Class 400.
- Q:Can ductile iron pipes be used for firefighting systems?
- Yes, ductile iron pipes can be used for firefighting systems. Ductile iron pipes are known for their strength, durability, and ability to withstand high pressure. They are commonly used in various applications, including firefighting systems, due to their resistance to corrosion and their ability to handle the flow of water efficiently.
- Q:How does ductile iron pipe perform in areas with high groundwater contamination?
- Ductile iron pipe is known for its durability and resistance to corrosion, making it a suitable choice for areas with high groundwater contamination. The pipe's protective lining and coating prevent the groundwater from coming into direct contact with the iron, thereby minimizing the risk of corrosion and deterioration. Additionally, ductile iron pipe has the ability to withstand external pressures, making it less susceptible to damage caused by shifting soils or groundwater movement. This characteristic is especially beneficial in areas with high groundwater contamination, as the pipe can maintain its structural integrity and prevent leaks or bursts. Furthermore, ductile iron pipe has a long service life, which reduces the need for frequent replacements and minimizes the potential for groundwater contamination caused by pipe failures. Overall, ductile iron pipe performs exceptionally well in areas with high groundwater contamination, providing a reliable and durable solution for transporting water or wastewater while ensuring the protection of the surrounding environment.
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Ductil cast iron pipes, iron pipes, Ductil cast
- Ref Price:
-
- Loading Port:
- Xiamen
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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