DUCTILE IRON PIPE K8 DN1100
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Ductile Iron Cast Pipe is without any defects compare with tradition casting tech, which has many advantages particularly as follow:
(1) High density. In the "vertical upward casting" process, the melt iron of centre liquid column in center crystallizer is continuously feeding for volume shrinkage caused by condensation tube at outer circumference , which lead to be free of shrinkage porosity.
(2) High purity. When melt iron pouring, the mixed impurities such as gas, dross, sand grain which are lighter than melt iron could be eliminated at furnace mouth, its impossible to enter into the crystallizer through the channel, so the melt iron into the crystallizer is very pure.
(3) Strength with toughness. The cooling speed provided by continuous crystallizer is 30 times than sand casting and 5 times than centrifugal casting, and doesn't produce white iron, the eutectic cell volume of continuous cast iron is one eighth to one tenth compare with traditional cast iron. The density of graphite nodule in ductile iron can reach 300-700 pcs/mm2. Therefore, all reason above improve the strength and toughness of continuous cast iron.
(4) Free machining. The high speed cooling make the hardening phase (such as boride, steadite) not appear like reticular, massive or thick, but diffuse like fish bone and pane in shape, moreover, there are tiny graphite flakes inlaid hardening phase. It's free machining in BrinellHardness the range of 250-300HB. However, the Brinell Hardness of 250 is top limit to common metal materials.
(5) Uniform composition of tube wall. The convection mixing of liquid column caused by marching type drawing in crystallizer make the composition of tube wall well-distributed, and concentration gradient very little.
(6) High productivity. To the wall thickness of tube under 10mm, the speed of continuous casting is 1 meter/min, to the wall thickness of tube under 20mm, the speed of continuous casting is 0.5 meter/min, which is high efficiency that centrifugal or other casting tech couldn't reach.
- Q: Are ductile iron pipes suitable for horizontal auger boring installations?
- Yes, ductile iron pipes are suitable for horizontal auger boring installations. Ductile iron pipes have excellent strength and durability, making them ideal for underground installations. They can withstand the lateral forces and vibrations involved in auger boring, ensuring a reliable and long-lasting pipeline system.
- Q: What is the expected leakage rate for ductile iron pipes?
- The expected leakage rate for ductile iron pipes can differ depending on various factors like the pipes' age, condition, and installation approaches, as well as the quality of materials employed. Nevertheless, ductile iron pipes generally have a reputation for being durable and having low leakage rates compared to other pipe materials. Based on industry standards and research studies, well-maintained ductile iron pipes are expected to have a leakage rate as low as 0.1% per year. This implies that, on average, less than 1 liter of water may leak per meter of pipe length annually. However, it is important to note that this is an average value and actual leakage rates can vary. Regular maintenance and inspections are crucial in minimizing leaks and ensuring the longevity of ductile iron pipes. Additionally, proper installation techniques, such as using effective jointing methods and appropriate bedding and backfill materials, can also contribute to reducing leakage rates. To determine the expected leakage rate for specific ductile iron pipe installations, it is recommended to consult industry professionals and adhere to applicable standards and regulations.
- Q: Are ductile iron pipes resistant to seismic events?
- Yes, ductile iron pipes are generally resistant to seismic events. Ductile iron is a type of cast iron that is known for its high strength and durability. It has the ability to withstand significant external forces, including those caused by seismic events such as earthquakes. Ductile iron pipes are designed to be flexible and can absorb and dissipate the energy generated by seismic waves. This flexibility allows the pipes to withstand ground movements and vibrations without breaking or cracking. Additionally, the joints of ductile iron pipes are designed to provide some degree of flexibility, which further enhances their resilience against seismic events. Moreover, ductile iron pipes are constructed with thick walls, providing them with a high level of structural integrity. This strength makes them less susceptible to damage during seismic events and helps maintain the flow of water and other fluids even under extreme conditions. However, it is important to note that the resistance of ductile iron pipes to seismic events can also depend on various factors such as the magnitude and proximity of the earthquake, the quality of installation and maintenance, and the specific design considerations for the pipeline system. Therefore, it is crucial to ensure that proper engineering and construction practices are followed to maximize the resilience of ductile iron pipes in seismic-prone areas.
- Q: What's the function of the cement mortar lining of ductile iron pipes?
- You may easily say that this statement is vague and there is no evidence that other manufacturers often do so when promoting other types of lining. However, in order to prove the truth of the above view, we have compiled sufficient examples to demonstrate the reliability of each of these statements from a scientific and logical point of view.We have stated each of these fields and other embedded systems as specious statements. There is only a reasonable conclusion that the cement mortar lining (CML) provides excellent protection for ductile iron pipes and steel tubes.Ductile iron pipe and steel pipe CML CML produces a synergistic effect of the incomparable.
- Q: What are the disadvantages of using ductile iron pipes?
- One disadvantage of using ductile iron pipes is their susceptibility to corrosion. Over time, exposure to moisture and various chemicals can cause the pipes to deteriorate and develop leaks. Another disadvantage is their relatively high cost compared to other pipe materials, such as PVC or HDPE. Additionally, ductile iron pipes are heavy and require specialized equipment for installation, which can increase labor and transportation costs.
- Q: DN1800 can the length of ductile iron pipes be several meters? What is the total weight?
- Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..
- Q: Are ductile iron pipes suitable for use in chemical processing plants?
- Ductile iron pipes can be used in chemical processing plants. This type of cast iron, known as ductile iron, has improved mechanical properties that make it resistant to corrosion and suitable for handling various chemicals in industrial settings. It is recognized for its durability, flexibility, and high tensile strength, allowing it to withstand the often present high-pressure and temperature conditions in chemical processing plants. Moreover, ductile iron pipes have a smooth internal surface, reducing friction and the possibility of flow blockages or contamination. In conclusion, ductile iron pipes are a dependable and cost-effective option for transporting chemicals in chemical processing plants.
- Q: What is a slide in type T flexible interface?
- The disadvantage of the T type interface is the ability to prevent pipe slippage because the interface can not withstand axial forces, so the base of the line is positioned against the axial forceFigure slider type (type T) interface (TYT type)The T type interface utilizes the self sealing action of the rubber ring to preserve the tightness of the water, as shown in the following figure. The so-called self sealing action is that the rubber ring is subjected to fluid pressureFig. interface rubber sealWhen the actual contact pressure to form a rubber ring is equal to the contact pressure and the fluid pressure generated by the installation of pre compression on the rubber ring and the new contact pressure. Due to the contact pressure than the fluid pressure, so the interface has good sealing function.
- Q: What are the different types of joints available for ductile iron pipe?
- There are three main types of joints available for ductile iron pipe: push-on joints, mechanical joints, and restrained joints. Push-on joints use a rubber gasket that is compressed to create a watertight seal. Mechanical joints consist of a gland and a follower that are connected with bolts and nuts to create a leak-proof joint. Restrained joints are designed to withstand internal pressure and external forces through the use of a key and gland system.
- Q: How are ductile iron pipes protected from external damage?
- Ductile iron pipes are protected from external damage through the application of protective coatings. These coatings act as a barrier, shielding the pipes from corrosion and other forms of external damage. Additionally, the pipes may be encased in concrete or installed in a casing pipe to provide further protection against external forces and impacts.
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DUCTILE IRON PIPE K8 DN1100
- Ref Price:
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- Loading Port:
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- Payment Terms:
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- Min Order Qty:
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- Supply Capability:
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