DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN300

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN300

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

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· 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:How does ductile iron pipe perform in areas with high soil stability?: Ductile iron pipe performs exceptionally well in areas with high soil stability. Due to its inherent strength and durability, ductile iron pipe can withstand the pressure exerted by the soil without any significant deformation or failure. The high soil stability ensures that there are minimal ground movements, settling, or shifting, which further contributes to the excellent performance of ductile iron pipe. In areas with high soil stability, the pipe is less prone to experiencing external forces or stresses that could potentially cause damage. Ductile iron pipe has a high resistance to corrosion, abrasion, and impact, making it highly suitable for such conditions. The material's robustness allows it to withstand the weight and pressure of the soil, ensuring the structural integrity of the pipe is maintained over time. Moreover, ductile iron pipe's flexibility and joint design contribute to its performance in areas with high soil stability. The pipe's ability to accommodate small movements and minor ground shifts without compromising its integrity is advantageous in these stable soil conditions. The restrained joint system used in ductile iron pipe installations provides additional support and stability, minimizing the risk of pipe dislocation or failure. Overall, ductile iron pipe is a reliable and efficient choice for areas with high soil stability. Its strength, durability, and resistance to external forces make it well-equipped to handle the demands of such environments. Additionally, the pipe's flexibility and joint design ensure that it can adjust to minor soil movements, thus further enhancing its performance in these conditions.

Q:Are ductile iron pipes resistant to UV radiation?: Ductile iron pipes do not possess resistance against UV radiation. The exposure to UV radiation can lead to the deterioration and weakening of the material as time goes by. In order to safeguard ductile iron pipes from UV radiation, they must be covered or enveloped with a UV-resistant substance or coated with an appropriate protective layer. Furthermore, it is essential to conduct regular inspections and maintain the pipes adequately to identify and rectify any indications of UV damage.

Q:What are the different types of joints used in ductile iron pipes?: There are several types of joints commonly used in ductile iron pipes. These joints are designed to provide a secure and leak-proof connection between pipe sections. Here are some of the most commonly used joint types: 1. Push-on joint: This type of joint is easy to install and requires no special tools. It involves lubricating the gasket on one end of the pipe and pushing it into the socket of the adjoining pipe. The gasket creates a tight seal that prevents leakage. 2. Mechanical joint: This joint type consists of a gland and a follower gasket. The gland is placed over the spigot end of one pipe, and the follower gasket is inserted into the bell end of the adjoining pipe. The gland is then tightened with bolts and nuts, compressing the gasket to form a secure joint. 3. Restrained joint: This joint is used in applications where pipes need to be restrained against axial movement or pressure thrust. It typically involves a mechanical joint with additional components such as tie rods, thrust blocks, or restrained couplings to provide the necessary restraint. 4. Flanged joint: Flanged joints are commonly used in large diameter ductile iron pipes. They involve a flange on one pipe end and a mating flange on the other pipe end. The two flanges are bolted together, creating a strong and secure connection. Flanged joints allow for easy disassembly and reassembly if needed. 5. Welded joint: Welded joints are created by fusing the ends of two pipes together using heat and pressure. This type of joint provides a permanent and strong connection. Welded joints are commonly used in underground or buried applications where long-term durability is essential. It is important to note that the choice of joint type depends on factors such as pipe diameter, application, and project requirements. Consulting with a professional engineer or the manufacturer's guidelines is recommended to ensure the appropriate joint type is selected for ductile iron pipes.

Q:How do ductile iron pipes perform in cold weather conditions?: Ductile iron pipes are known for their excellent performance in cold weather conditions. Unlike other materials, such as cast iron or PVC, ductile iron has exceptional resistance to low temperatures. This is primarily due to its unique microstructure, which enables it to withstand extreme weather conditions without compromising its structural integrity. In cold weather, ductile iron pipes have a low coefficient of thermal expansion, meaning they do not contract or expand significantly with temperature changes. This characteristic allows them to remain stable and resistant to cracking or bursting, even in freezing temperatures. Additionally, the ductile iron material has high impact resistance, which further enhances its ability to withstand the stress imposed by cold weather conditions. Furthermore, ductile iron pipes have a protective lining, typically made of cement mortar or epoxy, which acts as an additional barrier against the effects of cold weather. This lining prevents the formation of ice on the inner surface of the pipes, reducing the risk of blockages or reduced flow capacity. Overall, ductile iron pipes are a reliable choice for cold weather conditions. Their durability, low thermal expansion, and protective lining make them highly resistant to the challenges posed by freezing temperatures. Whether it is for water supply, sewer systems, or other applications, ductile iron pipes have proven their ability to perform effectively even in the harshest winter climates.

Q:Can ductile iron pipes be used for gravity flow applications?: Ductile iron pipes are suitable and widely used for gravity flow applications. Renowned for their strength, durability, and flexibility, these pipes are perfect for a variety of uses, such as gravity flow systems. They are commonly employed in water and wastewater systems, storm drainage systems, and other applications that necessitate resistance to high internal and external pressures. The pipes possess the capability to bear the weight of the flowing fluid without any supplemental support, which makes them a dependable choice for gravity flow applications. Furthermore, their ability to resist corrosion ensures long-term performance in both underground and exposed environments. In conclusion, ductile iron pipes are an excellent option for gravity flow applications.

Q:Can ductile iron pipes be used in earthquake-prone areas?: Ductile iron pipes are suitable for use in areas prone to earthquakes. This material, known for its strength and flexibility, can withstand the movement and vibrations caused by seismic activity. Its exceptional ductility means it can deform under stress without fracturing or breaking. Consequently, ductile iron pipes are capable of absorbing the energy produced during an earthquake, minimizing the risk of pipe failure or rupture. Moreover, these pipes have a proven track record in seismic zones, attesting to their resilience and dependability in such regions. Nevertheless, it is crucial to emphasize the importance of proper installation and design considerations, including the use of appropriate jointing methods and ensuring adequate anchoring. These factors are crucial to guarantee the optimal performance of ductile iron pipes in earthquake-prone areas.

Q:What are the typical pressure surge protection measures for ductile iron pipe?: Some typical pressure surge protection measures for ductile iron pipe include using surge tanks or pressure relief valves, installing air valves or surge anticipation valves, and implementing proper anchoring and support systems to minimize movement and stress on the pipe during pressure surges. Additionally, using flexible joints or expansion joints can help absorb and accommodate sudden changes in pressure.

Q:Are ductile iron pipes resistant to acid mine drainage corrosion?: Yes, ductile iron pipes are generally resistant to acid mine drainage (AMD) corrosion. Ductile iron is a highly durable material that has been widely used in various industries, including mining and water distribution, due to its excellent corrosion resistance properties. Acid mine drainage is a significant environmental problem that occurs when water comes into contact with sulfide minerals in mining areas, resulting in the formation of sulfuric acid. This acid can corrode and deteriorate various materials, including pipes, leading to infrastructure damage and water contamination. Ductile iron pipes have a protective layer formed by a cementitious lining, typically made of cement mortar or an epoxy coating. This lining acts as a barrier between the corrosive AMD and the pipe material, preventing direct contact and reducing the likelihood of corrosion. Furthermore, ductile iron pipes have a high resistance to both internal and external corrosion, making them well-suited for environments where acid mine drainage may be present. They have proven to be highly reliable and long-lasting even in harsh conditions, ensuring the continued integrity of the water distribution system and minimizing the potential for leaks or failures. However, it is important to note that the resistance of ductile iron pipes to acid mine drainage corrosion can also depend on several other factors, such as the specific composition and concentration of the AMD, the duration of exposure, and the temperature. Therefore, it is recommended to consult with experts and conduct proper material testing and analysis to ensure the suitability of ductile iron pipes in specific AMD environments.

Q:General cast iron prices now: Regular cast iron prices now range between 5000 and 8000.Ductile iron is a kind of high strength cast iron material developed in 50s twentieth Century, its comprehensive performance is close to the steel, it is based on its excellent performance, has been successfully used in casting complex stress, strength, toughness and wear resistance requirements of the higher parts. Nodular cast iron has developed rapidly to be second only to grey cast iron and widely used as cast iron material. The so-called "iron instead of steel", mainly refers to ductile iron.

Q:Does the cast iron pipe for spheroidal graphite need corrosion protection when laying underground?: In quality, the spheroidization of cast iron pipes is controlled to be 1-3 (spheroidization rate 80%), so the mechanical properties of the cast iron pipes, ductile iron pipes and finished product libraries can be better improved, with the nature of iron and the properties of steel

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