DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN800

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 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: Can ductile iron pipes be used in high-pressure applications?: High-pressure applications can indeed utilize ductile iron pipes. These pipes boast impressive strength and durability, which renders them suitable for managing high-pressure fluids or gases. When compared to alternative pipe types like PVC or HDPE, ductile iron pipes possess a higher pressure rating. Moreover, they exhibit excellent resistance to external loads and have the capacity to endure high internal pressures. Water and wastewater systems frequently employ these pipes, alongside industrial settings that encounter high-pressure conditions. Nevertheless, it is crucial to guarantee that ductile iron pipes utilized in high-pressure scenarios adhere to the necessary standards and specifications to assure safe and dependable operation.

Q: Can ductile iron pipes be used for underground steam distribution systems?: Yes, ductile iron pipes can be used for underground steam distribution systems. Ductile iron is a type of cast iron that has been treated with magnesium to make it more flexible and resistant to cracking. This makes it suitable for use in underground applications where the pipes may need to withstand high pressure and temperature conditions, such as in steam distribution systems. Ductile iron pipes have excellent strength and durability, which makes them capable of handling the extreme conditions associated with steam distribution. Additionally, their corrosion resistance properties make them a reliable choice for long-term use in underground environments. However, it is important to note that proper insulation should be used to prevent heat loss and ensure the efficiency of the steam distribution system.

Q: What is the expected leakage rate for ductile iron pipes?: The expected leakage rate for ductile iron pipes can vary depending on various factors such as the age, condition, and installation methods of the pipes, as well as the quality of the materials used. However, ductile iron pipes are generally known for their durability and low leakage rates compared to other pipe materials. According to industry standards and research studies, the expected leakage rate for well-maintained ductile iron pipes can be as low as 0.1% per year. This means that, on average, less than 1 liter of water per meter of pipe length may leak annually. However, it is important to note that this is an average figure and actual leakage rates can vary. Regular maintenance and inspections play a crucial role in minimizing leaks and ensuring the longevity of ductile iron pipes. Additionally, proper installation techniques, such as using effective jointing methods and adequate bedding and backfill materials, can also contribute to reducing leakage rates. It is recommended to consult with industry professionals and adhere to applicable standards and regulations to determine the expected leakage rate for specific ductile iron pipe installations.

Q: Can ductile iron pipe be used for industrial wastewater applications?: Certainly, industrial wastewater applications can make use of ductile iron pipe. Renowned for its robustness, longevity, and corrosion resistance, ductile iron pipe proves itself suitable for a multitude of purposes, including wastewater systems. Its ability to withstand high pressure and endure demanding conditions renders it perfect for industrial wastewater applications that may involve abrasive or corrosive substances. Furthermore, the installation and maintenance of ductile iron pipe are effortless, resulting in reduced costs and guaranteed long-term dependability. Nevertheless, it remains crucial to carefully scrutinize the unique prerequisites of the wastewater application and seek guidance from professionals to ascertain the most fitting pipe material and design.

Q: Ductile iron pipes perennial bubbles in the water will rot it: Ductile iron pipes mainly called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..

Q: How can the internal and external walls of ductile iron pipes be protected from corrosion?: Internal walls can be painted anti-corrosion paint, exterior anti-corrosion can choose to paint, but also useful anti-corrosion tape, or do 3PE anti-corrosion, look at your anti-corrosion requirements, cost budget and other construction objective conditions.

Q: How does ductile iron pipe perform in areas with high soil corrosivity?: Due to its inherent corrosion-resistant properties, ductile iron pipe exhibits exceptional performance in areas with high soil corrosivity. The material specifically utilized in ductile iron pipes is engineered to endure harsh soil conditions, including those with elevated levels of corrosive elements. The protective coating is one of the key factors making ductile iron pipe suitable for areas with high soil corrosivity. Most ductile iron pipes are coated with either a layer of cement mortar or a polyethylene sleeve, which acts as a barrier separating the soil from the pipe. This coating serves the dual purpose of preventing direct contact between the soil and the iron, as well as providing an additional layer of defense against corrosion. Moreover, ductile iron possesses inherent corrosion resistance. It contains a higher carbon percentage compared to traditional cast iron, enhancing its strength and durability. The carbon content also generates a protective layer of graphite within the iron matrix, acting as a natural barrier against corrosion. Ductile iron pipes have demonstrated a long service life in areas with high soil corrosivity, often surpassing 100 years. This is due to their ability to withstand corrosion and maintain structural integrity even in harsh environments. Additionally, ductile iron pipes exhibit high resistance to external loads and can endure the stresses associated with high soil corrosivity. In summary, ductile iron pipe is an exceptional choice for areas with high soil corrosivity. Its corrosion-resistant properties, coupled with protective coatings, guarantee the pipe's durability and reliability, even under the most challenging soil conditions.

Q: Are ductile iron pipes suitable for potable water applications?: Yes, ductile iron pipes are suitable for potable water applications. Ductile iron pipes have been used in water distribution systems for many years and have proven to be reliable and durable. They are highly resistant to corrosion, which is important for maintaining the quality of potable water. Ductile iron pipes also have a high tensile strength, making them less prone to breakage or leakage. Additionally, they have a smooth interior surface that helps in maintaining water flow and preventing the buildup of deposits or contaminants. Overall, ductile iron pipes are a suitable choice for potable water applications due to their strength, durability, and corrosion resistance.

Q: What is the expected corrosion rate of ductile iron pipes?: The expected corrosion rate of ductile iron pipes can vary depending on several factors, including the specific environment in which the pipes are installed, the pH and composition of the water or soil they come into contact with, and the presence of any corrosive substances or chemicals. In general, ductile iron pipes are known for their excellent resistance to corrosion compared to other materials such as cast iron or steel. This is due to the presence of a protective layer called a passive film, which forms naturally on the surface of the pipes when exposed to oxygen in the environment. This passive film acts as a barrier, preventing further corrosion from occurring. However, it is important to note that even ductile iron pipes can experience some level of corrosion over time, especially in aggressive or highly corrosive environments. The expected corrosion rate can range from very low to moderate, depending on the aforementioned factors. To ensure the longevity and performance of ductile iron pipes, it is recommended to implement proper maintenance and monitoring practices. This includes regular inspections, cleaning, and the application of protective coatings or linings when necessary. Additionally, implementing a cathodic protection system can further enhance the corrosion resistance of the pipes. Ultimately, it is important to consult with experts and professionals in the field of corrosion and pipe materials to accurately determine the expected corrosion rate of ductile iron pipes in a specific application or environment.

Q: Do ductile iron pipes have inner enamel?: Internal enamel ductile iron pipe is yes, but now there is almost no market (except for special process requirements), in the civil construction market, new materials, new technologies, new technologies can be replaced, there are many.

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