DUCTILE IRON PIPES AND PIPE FITTINGS K8CLASS DN200

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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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High Tensile Steel Rebar ASTM BS4449 Rebar Steel

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: What new technologies are there for the installation of ductile iron pipes?: Because the new flexible interface mechanism of cast iron drainage pipe pipe in the development of China's relatively short history, compared with other drainage pipes, people know little of the present, with some experience of the author in the construction, the application of the performance, characteristics and engineering, to do some simple introduction.

Q: How does ductile iron pipe handle soil movements and settlements?: Ductile iron pipe has excellent resistance to soil movements and settlements due to its high tensile strength and flexibility. The pipe's ability to withstand soil loads and settle without compromising its structural integrity makes it a reliable choice for underground applications. Additionally, the pipe's joint design allows for some degree of movement, further reducing the risk of damage or failure.

Q: Are there any special coatings or linings used for ductile iron pipes?: Yes, there are special coatings and linings used for ductile iron pipes. These coatings and linings are applied to the interior and exterior surfaces of the pipes to protect them from corrosion and extend their lifespan. Some common coatings and linings used for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is commonly used to provide a protective layer on the inside of ductile iron pipes. It is a mixture of cement, sand, and water that is applied to the pipe's interior surface. Cement mortar lining helps prevent corrosion caused by the water or other fluids flowing through the pipes. Polyethylene encasement is another protective coating used for ductile iron pipes. It involves wrapping the pipes with a layer of polyethylene material, which provides a barrier against environmental factors and prevents direct contact between the pipe and the surrounding soil, reducing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is applied to the exterior of ductile iron pipes. It provides excellent corrosion resistance and mechanical protection to the pipes. FBE coating is often used in aggressive environments where the pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is a type of lining used for ductile iron pipes that offers excellent resistance to both corrosion and abrasion. It is applied as a liquid polymer lining that is sprayed onto the interior surface of the pipes. Polyurethane lining provides a smooth and durable protective layer that helps extend the life of the pipes. These coatings and linings play a crucial role in maintaining the integrity and longevity of ductile iron pipes, ensuring their performance in various applications such as water distribution, wastewater management, and industrial processes.

Q: What are the advantages of using ductile iron pipe over concrete pipe?: There are several advantages of using ductile iron pipe over concrete pipe. Firstly, ductile iron pipe has a higher strength-to-weight ratio compared to concrete pipe. This means that it can withstand higher pressure and loads while being lighter in weight. This makes it easier to handle and install, reducing labor costs and time. Secondly, ductile iron pipe has superior corrosion resistance compared to concrete pipe. It is less likely to rust or degrade over time, which increases its lifespan and decreases the need for frequent repairs or replacements. This makes it a more cost-effective option in the long run. Additionally, ductile iron pipe has better flexibility and resilience compared to concrete pipe. It can withstand ground movement, settling, and other environmental factors without cracking or breaking. This makes it more durable and less prone to damage, reducing maintenance and repair costs. Moreover, ductile iron pipe has a smoother interior surface compared to concrete pipe. This results in improved flow characteristics and reduced friction, allowing for more efficient transportation of fluids. It also minimizes the risk of clogs or blockages, ensuring uninterrupted flow. Furthermore, ductile iron pipe is highly versatile and can be used in a wide range of applications. It is suitable for both above-ground and underground installations, making it ideal for various infrastructure projects such as water supply systems, wastewater treatment plants, and industrial applications. Overall, the advantages of using ductile iron pipe over concrete pipe include its higher strength-to-weight ratio, superior corrosion resistance, better flexibility and resilience, smoother interior surface, and versatility. These benefits make it a reliable and cost-effective choice for various infrastructure projects.

Q: How much water seepage is allowed in the water pressure test for water hose DN300?: For water polo hose DN300, hydraulic pressure test allows water penetration to be 17.60 m3 / (24h km).The water pressure test of the indoor water supply pipeline must meet the design requirements. When the design is not specified, the test pressure of all kinds of material supply piping system is 1.5 times of the work pressure, but not less than 0.6MPa.

Q: How are ductile iron pipes different from PVC pipes?: Ductile iron pipes are made from a type of iron that has a higher strength and durability compared to PVC pipes, which are made from a type of plastic. Ductile iron pipes are more suitable for high-pressure and underground applications due to their superior strength, while PVC pipes are commonly used for low-pressure and aboveground applications. Additionally, ductile iron pipes have a longer lifespan and can withstand higher temperatures, making them more suitable for a wide range of environments.

Q: How do ductile iron pipes handle ground settlement near construction sites?: Ductile iron pipes are highly resilient and can withstand ground settlement near construction sites. Due to their flexible nature, these pipes can accommodate small movements and settlement without incurring significant damage or failure. The ductility of the material allows the pipes to bend and adjust to the changing ground conditions, ensuring their integrity and minimizing the risk of leaks or breakage. Additionally, the strong and durable properties of ductile iron make it a reliable choice for underground infrastructure, providing long-term stability even in challenging environments.

Q: What is the typical diameter range of ductile iron pipes?: The typical diameter range of ductile iron pipes varies depending on the specific application and industry standards. Generally, ductile iron pipes come in a wide range of diameters to accommodate various needs. In water distribution systems, the typical diameter range can vary from as small as 3 inches (76 mm) to as large as 64 inches (1626 mm) or even larger. For sewer and wastewater systems, the typical diameter range is usually between 4 inches (102 mm) to 48 inches (1219 mm). However, it is important to note that these ranges are not exhaustive and there may be instances where ductile iron pipes are available in sizes outside of these common ranges. It is always advisable to consult industry standards and specific project requirements to determine the appropriate diameter range for ductile iron pipes.

Q: How can the connection of ductile iron pipe elbow be convenient for connecting?: Ductile cast iron pipe in the groove pipe connection technology is also called the lathedog connection technology, has become the most liquid and gas pipeline connection technology, although this technology is later than foreign in domestic development time, but because of its advanced technology, domestic market quickly received. Since 1998, it has been developed and applied in just a few years. It has gradually replaced two traditional ways of pipe connection, such as flange and welding. Not only technically more mature, the market is generally recognized, but also by the national laws and regulations actively guide the policy. The application of grooved pipe connection technology makes the complex pipe connection procedure simple, fast and convenient. Took a big step forward in pipeline connection technology.

Q: How does ductile iron pipe perform in areas with high soil compaction?: Ductile iron pipe performs exceptionally well in areas with high soil compaction. One of the key advantages of ductile iron is its high strength and durability, which allows it to withstand heavy loads and pressures. In areas with compacted soil, where there is a greater likelihood of ground movement and settling, ductile iron pipe's superior structural integrity ensures that it remains intact and can effectively handle the stress. Additionally, ductile iron pipe has excellent resistance to corrosion. This is particularly important in areas with high soil compaction, as the compacted soil can often contain high levels of moisture or chemicals that may accelerate the corrosion process. Ductile iron's inherent resistance to corrosion helps maintain the pipe's integrity over time, even in challenging soil conditions. Another advantage of ductile iron pipe is its flexibility. This material has a high degree of flexibility, allowing it to absorb and distribute external loads more effectively. In areas with high soil compaction, where the ground may shift or settle, ductile iron's flexibility helps to minimize the risk of pipe failure or damage. Furthermore, ductile iron pipe has a smooth interior surface, which helps to improve its hydraulic performance. In areas with high soil compaction, where there may be limited space for proper compaction around the pipe, the smooth interior minimizes the risk of sediment buildup or clogging, ensuring efficient water flow. Overall, ductile iron pipe is an excellent choice for areas with high soil compaction. Its strength, corrosion resistance, flexibility, and hydraulic performance make it a reliable and durable option that can withstand the challenges posed by compacted soils.

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