DUCTILE IRON PIPE AND PIPE FITTINGS K8CLASS DN500

DUCTILE IRON PIPE AND PIPE FITTINGS K8CLASS DN500

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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 do ductile iron pipes perform in high-velocity water flow conditions?: Ductile iron pipes perform exceptionally well in high-velocity water flow conditions. Due to their unique composition and manufacturing process, ductile iron pipes exhibit superior strength and durability, making them highly resistant to the forces generated by high-velocity water flow. These pipes are specifically designed to withstand significant hydraulic pressure and turbulent conditions. Their inherent ductility allows them to absorb the energy of the flowing water and effectively dissipate any potential stress or impact that may occur. Additionally, the smooth internal surface of ductile iron pipes minimizes frictional losses, enabling efficient water flow even at high velocities. This characteristic is crucial in maintaining the required water pressure and flow rates in applications such as water distribution systems, sewage networks, and industrial processes. Moreover, the corrosion resistance of ductile iron pipes further enhances their performance in high-velocity water flow conditions. These pipes are typically lined with cement mortar or polyethylene, which provides an additional layer of protection against the corrosive effects of fast-flowing water. Overall, ductile iron pipes are well-suited for high-velocity water flow conditions, offering exceptional strength, durability, and hydraulic efficiency. Their ability to withstand the challenges posed by fast-flowing water makes them a reliable choice for a wide range of applications where high water velocity is a concern.

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:Are ductile iron pipes suitable for use in seismic areas?: Yes, ductile iron pipes are suitable for use in seismic areas. Ductile iron is a strong and durable material that can withstand seismic forces and ground movements associated with earthquakes. Its flexibility and high tensile strength make it resistant to cracking or breaking under extreme conditions. Additionally, ductile iron pipes have been successfully used in seismic areas for many years, proving their reliability and suitability. However, it is important to ensure that proper installation techniques and seismic design guidelines are followed to maximize their performance and minimize any potential risks.

Q:How can the internal and external walls of ductile iron pipes be protected from corrosion?: The inner wall is not needed and the outer wall is painted

Q:Method for cutting large diameter ductile iron pipe: When the ratio of oxygen to acetylene is 1 to 1.2, the flame produced is called neutral flame, also known as normal flame. It consists of flame core, inner and outer flame: near the welding nozzle at the flame core, a bright white; followed by the flame, a blue purple, the highest temperature, about 3150 DEG C, from the front cone at 2 ~ 4mm, and the application of welding wire to the workpiece; the outer flame is orange red. Neutral flame is a flame commonly used in welding. It is used to weld low carbon steel, medium carbon steel, alloy steel, copper and aluminum alloy.

Q:Can ductile iron pipes be used for pressure relief systems?: Yes, ductile iron pipes can be used for pressure relief systems. Ductile iron pipes are known for their strength, durability, and ability to withstand high pressures. They are commonly used in various applications, including pressure relief systems, where they can effectively handle and dissipate excess pressure to ensure the safety and functionality of the overall system.

Q:Can ductile iron pipes be used for irrigation of golf courses?: Yes, ductile iron pipes can be used for irrigation of golf courses.

Q:Can ductile iron pipes be used for underground fuel storage systems?: No, ductile iron pipes are not suitable for underground fuel storage systems. They are more commonly used for water and sewer applications due to their strength and durability in carrying liquids. Underground fuel storage systems require materials that are specifically designed to handle the corrosive nature of fuel and prevent leaks or contamination, such as double-walled fiberglass or steel tanks.

Q:Can ductile iron pipes be used for railway bridges?: Yes, ductile iron pipes can be used for railway bridges. They are commonly used in bridge construction due to their high strength, durability, and resistance to corrosion. Additionally, ductile iron pipes can withstand heavy loads and provide excellent structural support, making them suitable for railway bridge applications.

Q:What are the different types of ductile iron pipe joints?: Various applications commonly utilize different types of ductile iron pipe joints to ensure efficient fluid transfer and prevent leaks. These joints provide strong and reliable connections between pipes. Some of the most frequently used types of ductile iron pipe joints are as follows: 1. Push-on Joint: This joint is simple to install and does not require any special tools. The spigot end of one pipe is inserted into the bell end of another pipe, creating a tight seal. A rubber gasket is typically used to enhance leak resistance. 2. Mechanical Joint: Water and wastewater applications often use mechanical joints. They consist of a gland, a rubber gasket, and a follower gland. The pipe ends are pushed into the gland, and the follower gland is tightened, compressing the rubber gasket and establishing a secure connection. 3. Restrained Joint: These joints are designed to withstand high internal and external forces, such as water pressure or soil loadings. Rubber gaskets and restraining mechanisms like bolts or wedges are commonly used to prevent pipe movement or separation under stress. 4. Flanged Joint: Large diameter pipes or applications requiring frequent disassembly often employ flanged joints. Each pipe end is equipped with a flange, which is then bolted together with gaskets to create a strong connection. Flanged joints provide convenient access for maintenance or repairs. 5. Welded Joint: Welded joints involve heating and fusing the pipe ends to form a permanent connection. This type of joint is typically used in high-pressure applications where a reliable and leak-free connection is crucial. Skilled labor and specialized equipment are required for welded joints. To ensure the integrity and longevity of the ductile iron pipe system, it is important to choose the appropriate joint based on the specific application, pipe size, and operating conditions. Consulting with a professional engineer or pipe manufacturer can help determine the most suitable joint for a particular project.

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