DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN150

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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 for pressure relief systems?: Indeed, pressure relief systems can make use of ductile iron pipes. Renowned for their robustness, longevity, and capacity to endure intense pressure circumstances, ductile iron pipes possess a remarkable resilience against both internal and external pressures. Consequently, they prove to be ideal for deployment within pressure relief systems. Furthermore, ductile iron pipes can withstand considerable fluctuations in pressure without jeopardizing their structural integrity. Consequently, they find widespread usage in various settings necessitating pressure relief systems, including water supply networks, wastewater treatment facilities, and industrial operations.

Q: What are ductile iron pipes?: Ductile iron pipes are a type of iron piping that possess unique properties, making them highly durable and flexible. They are made by adding small amounts of magnesium to cast iron, which transforms the brittle material into a stronger and more malleable form. Due to their high tensile strength and ability to withstand extreme conditions, ductile iron pipes are commonly used in various applications such as water and sewage systems, industrial plants, and transportation infrastructure.

Q: Will nodular cast iron pipes rust?: Although the wall has a long flow of water, but oxygen scarce, compared with the outer wall is not easy to corrosion, but there is cement lining is necessary.

Q: What are the different corrosion protection options for ductile iron pipe?: There are several corrosion protection options available for ductile iron pipe to ensure its longevity and durability. These options include: 1. Cement Mortar Lining: This involves coating the inner surface of the pipe with a layer of cement mortar, which acts as a barrier between the pipe and corrosive elements in the water or soil. Cement mortar lining provides excellent corrosion resistance and can last for several decades. 2. Polyethylene Encasement: This method involves wrapping the ductile iron pipe with a layer of polyethylene material. The polyethylene acts as a physical barrier, protecting the pipe from external corrosive elements. Polyethylene encasement is commonly used in aggressive soil conditions and can offer long-lasting protection. 3. Internal and External Coatings: Various types of coatings can be applied to the inner and outer surfaces of the ductile iron pipe to provide corrosion resistance. These coatings can be epoxy, polyurethane, or fusion-bonded epoxy (FBE) coatings. These coatings create a barrier between the pipe and the surrounding environment, preventing corrosion. 4. Cathodic Protection: This method involves using an electrical current to protect the pipe from corrosion. Cathodic protection systems can be either galvanic (sacrificial anode) or impressed current systems. These systems direct the flow of electrons to prevent the oxidation of the ductile iron pipe. 5. Zinc Coating: Zinc coating, also known as galvanizing, involves applying a layer of zinc to the surface of the ductile iron pipe. The zinc acts as a sacrificial anode, corroding instead of the iron pipe. Zinc coating provides effective corrosion protection, particularly in soil conditions with low resistivity. It's important to note that the choice of corrosion protection option for ductile iron pipes depends on various factors such as the environment, water chemistry, soil conditions, and expected service life. Consulting with corrosion protection specialists and engineers can help in selecting the most suitable option for specific applications.

Q: Can ductile iron pipes be used for wastewater reuse projects?: Yes, ductile iron pipes can be used for wastewater reuse projects. Ductile iron pipes have several properties that make them suitable for such projects. Firstly, they have high strength and durability, which allows them to withstand the pressure and load requirements of wastewater systems. Additionally, ductile iron pipes have excellent corrosion resistance, which is important in wastewater applications where the presence of chemicals and corrosive substances is common. Furthermore, ductile iron pipes have a smooth internal lining, which reduces friction and improves the flow of wastewater. This is crucial for efficient transportation and distribution of wastewater in reuse projects. Moreover, ductile iron pipes are also known for their ease of installation and maintenance. They can be easily connected using various joint options, allowing for quick and efficient installation. Additionally, ductile iron pipes have a long service life, reducing the need for frequent replacements and minimizing maintenance costs. Overall, the properties of ductile iron pipes make them a suitable choice for wastewater reuse projects, providing strength, durability, corrosion resistance, smooth flow, and ease of installation and maintenance.

Q: What does "K8" mean in ductile iron pipe grades?: 1 ductile iron pipe grade K8, on behalf of the ductile iron 8 grades, K refers to the wall thickness coefficient, the higher the grade, the greater the pressure, the lower the level, the less pressure to bear.2 wall thickness calculation formula: e=K (0.5+0.001DN).

Q: Ductile iron and gray iron is what are the advantages and disadvantages of it: Ductile iron with high strength, gray cast iron wear-resistant, vibration good.This is the reason why large quantities of grey iron are used as gear in imported vehicles.

Q: Can ductile iron pipe be used for municipal water supply?: Yes, ductile iron pipe can be used for municipal water supply. Ductile iron pipe has excellent strength and durability, making it suitable for carrying the high-pressure water supply required for municipal systems. Additionally, its corrosion resistance and long lifespan make it a reliable choice for transporting water in urban areas.

Q: Can ductile iron pipes be used for firefighting systems?: Yes, ductile iron pipes can be used for firefighting systems. Ductile iron is a strong and durable material that can withstand high pressures and extreme temperatures, making it suitable for transporting water in firefighting systems. Its ability to resist corrosion and withstand external loads also ensures the long-term reliability and performance of the pipes. Additionally, ductile iron pipes have excellent fire resistance properties, as they do not burn, emit toxic fumes, or contribute to the spread of fire. Therefore, ductile iron pipes are a reliable and commonly used choice for firefighting systems due to their strength, durability, and fire resistance.

Q: Are ductile iron pipes suitable for use in oil refineries?: Yes, ductile iron pipes are suitable for use in oil refineries. Ductile iron is a type of cast iron that offers a unique combination of strength, durability, and flexibility, making it an excellent choice for various applications, including oil refineries. One of the key advantages of ductile iron pipes is their high tensile strength, allowing them to withstand the high pressure and stress commonly found in oil refining processes. This strength is crucial for the transportation of various fluids, including crude oil, refined petroleum products, and chemicals within the refinery. Additionally, ductile iron pipes have excellent corrosion resistance properties, making them highly resistant to the corrosive effects of oil, chemicals, and other substances typically present in oil refineries. This corrosion resistance ensures the longevity and reliability of the pipes, reducing the need for frequent maintenance and replacement. Furthermore, ductile iron pipes have exceptional ductility, which means they can absorb and withstand significant impacts and vibrations without fracturing or breaking. This quality is advantageous in oil refineries where there may be frequent movement or potential stressors due to machinery, equipment, or ground settlement. Moreover, ductile iron pipes have a smooth interior surface that reduces friction, allowing for efficient fluid flow and minimizing pressure loss. This characteristic is essential in oil refineries, as it helps optimize the transportation of fluids, ensuring a smooth and reliable production process. In conclusion, ductile iron pipes are suitable for use in oil refineries due to their high tensile strength, corrosion resistance, ductility, and smooth interior surface. These pipes provide a reliable and durable solution for transporting various fluids within the refinery, contributing to the efficient and safe operation of oil refining processes.

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