DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN1400

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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 underground steam distribution systems?: Yes, ductile iron pipes can be used for underground steam distribution systems. Ductile iron has excellent strength, durability, and resistance to high temperatures, making it suitable for carrying steam underground. Additionally, its corrosion resistance properties ensure a longer lifespan and reduced maintenance costs.

Q: What is the expected thermal expansion coefficient of ductile iron pipes?: The expected thermal expansion coefficient of ductile iron pipes typically ranges from 10.8 to 12.2 x 10^-6 per degree Celsius.

Q: Ductile iron pipe joint damage, water leakage, want to see the connection with other pipe fittings, how to operate?!: The ink tube is really not good. Oh, have you tried blocking it with cement or plugging it with putty?Just pick up PE haha

Q: Are there any special coatings or linings used for ductile iron pipes?: Ductile iron pipes utilize specialized coatings and linings to protect against corrosion and increase their lifespan. The interior and exterior surfaces of the pipes are treated with these coatings and linings. Several popular options for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is frequently employed to create a safeguarding layer on the inside of ductile iron pipes. This mixture of cement, sand, and water is applied to the pipe's interior surface. By doing so, it effectively prevents corrosion caused by water or other fluids flowing through the pipes. Polyethylene encasement is an additional protective coating used for ductile iron pipes. This method involves enveloping the pipes with a layer of polyethylene material. This barrier protects against environmental factors and inhibits direct contact between the pipe and the surrounding soil, minimizing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is administered to the exterior of ductile iron pipes. This coating provides exceptional corrosion resistance and mechanical protection. FBE coating is often utilized in aggressive environments where pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is another type of lining employed for ductile iron pipes. It offers superior resistance to both corrosion and abrasion. This liquid polymer lining is sprayed onto the interior surface of the pipes, resulting in a smooth and durable protective layer that extends the life of the pipes. These coatings and linings are essential for maintaining the integrity and longevity of ductile iron pipes, ensuring optimal performance in a variety of applications such as water distribution, wastewater management, and industrial processes.

Q: Can ductile iron pipe be used in areas with high groundwater levels?: Areas with high groundwater levels can indeed utilize ductile iron pipe. This type of pipe is renowned for its robustness and sturdiness, which renders it appropriate for a wide range of purposes, including areas with high groundwater levels. Its resistance to corrosion ensures that it remains highly impervious to the damaging impact of groundwater, thereby guaranteeing enduring efficiency and dependability. Furthermore, the flexible joints of ductile iron pipe enable it to endure ground shifts and settlements caused by fluctuating groundwater levels. As a result, it represents a suitable choice for regions with high groundwater levels, offering a dependable solution for water distribution systems and other subterranean applications.

Q: How are ductile iron pipes protected against internal corrosion caused by chemicals?: Ductile iron pipes are protected against internal corrosion caused by chemicals through the application of protective linings or coatings. These linings, such as cement mortar, polyethylene, or epoxy, create a barrier between the pipe and the corrosive chemicals, preventing direct contact and corrosion. Additionally, corrosion inhibitors can be added to the water or fluid being transported to further minimize the risk of internal corrosion. Regular inspection and maintenance also play a crucial role in identifying potential corrosion issues and taking appropriate preventive measures.

Q: How do ductile iron pipes handle ground movement in earthquake-prone areas?: Ductile iron pipes are known for their excellent resistance to ground movement, making them a reliable choice for earthquake-prone areas. These pipes are designed to withstand external forces, including the ground shifting and movement caused by seismic activities. The flexibility of ductile iron pipes allows them to absorb and distribute the energy generated during ground movement. This flexibility is achieved due to the unique composition of ductile iron, which includes nodular graphite in its microstructure. The nodular graphite provides ductility and resilience to the pipe, allowing it to deform under stress without fracturing. When an earthquake occurs and the ground starts to move, ductile iron pipes can adapt to the changing conditions. They have the ability to elongate, compress, and bend, thus reducing the risk of pipe failure. This characteristic is crucial in earthquake-prone areas, as it helps prevent catastrophic failures and water loss that can occur with more rigid pipe materials. Moreover, ductile iron pipes have a high level of joint integrity, which further enhances their ability to handle ground movement during seismic events. The joints of these pipes are designed to withstand lateral and angular movement, ensuring that they remain intact and leak-free. In addition to their inherent flexibility, ductile iron pipes are often installed using techniques that enhance their resistance to ground movement. Anchoring systems, such as thrust blocks and restraints, can be utilized to secure the pipes and prevent excessive movement. These systems help to stabilize the pipeline network and further minimize the potential for damage during earthquakes. Overall, the combination of ductility, joint integrity, and anchoring systems make ductile iron pipes a reliable choice for handling ground movement in earthquake-prone areas. They provide a durable and resilient solution that can withstand the challenges posed by seismic activities, ensuring the continuous supply of water and minimizing the risk of infrastructure damage.

Q: Can ductile iron pipe be used for nuclear power plants?: Yes, ductile iron pipe can be used for certain applications in nuclear power plants, particularly in non-safety-related systems such as cooling water, fire protection, or ancillary service pipelines. However, for safety-related systems that involve high-pressure or high-temperature conditions, materials with higher performance characteristics such as stainless steel or alloy materials are typically preferred.

Q: How to analyze and judge the quality of ductile iron pipe: On the quality of single pipe can analyze it from the surface is sand type and water cooled pipes, K8 pipe is different from Shanxi root nature is that the proportion of grade K9 cement and cast iron pipe and the K8 pipe are different, there is no national standard and non standard, no K8 tube, only is the production plant in order to obtain more profits, the dealer is not up to the national standard K9 grade pipe called K8 grade ductile pipe, K9 pipe cement weighs about 1/5 weight of the pipe, but is played in the role of anti-corrosion, the so-called K8 class water mud proportion some manufacturers terrifying 3/4 or 3/5, as the water supply pipe 3/5 or no personally think that two of the proportion of the tube is no problem

Q: Ductile iron pipe is flexible pipe or rigid pipe: The flexible tube and you say should refer to the common steel pipe and seamless steel pipe, because the two are by the simple method according to the needs and the deformation, in other words, ductile iron is cast out without deformation.

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