DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN1600

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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: Can ductile iron pipes be used for water tunnel crossings?: Yes, ductile iron pipes can be used for water tunnel crossings. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a suitable choice for various applications, including water tunnel crossings. They are capable of withstanding high pressure, external loads, and ground movements, which are often encountered in tunnel crossings. Additionally, ductile iron pipes have a long service life and require minimal maintenance, making them a cost-effective solution for water tunnel crossings.

Q: How can the ductile iron pipes be treated with corrosion protection?: Cement mortar lining + special coatingThe internal corrosion prevention measures are suitable for pipes conveying sewage, and the corrosion resistance of lining can be improved.

Q: What is the difference between ductile iron and cast iron pipes?: The main difference between ductile iron and cast iron pipes lies in their composition and properties. Ductile iron pipes are made from an alloy of iron, carbon, and silicon, which makes them more flexible and resistant to cracking. On the other hand, cast iron pipes are made from a mixture of iron, carbon, and other elements, which provides them with a higher resistance to corrosion and pressure. In summary, ductile iron pipes are more flexible and durable, while cast iron pipes are more resistant to corrosion and pressure.

Q: Why does the construction wastewater system use ductile iron pipes instead of galvanized steel tubes?: The cost is low, the construction cost is low, and the schedule is fast. Such as PVC, PE double wall corrugated pipes, etc..

Q: Can cast iron pipes not be used for domestic water supply and drainage?: Yes, the main use is, outdoor water supply pipe can be PE or ductile iron (socket connection). Indoor water is now used in general plastic pipes, but in the past seems to be able to use ductile iron, as for drainage, generally do pressure type drainage, when the choice is cast iron pipe. There are also indoor fire pipes using welded steel tubes or ductile iron.

Q: Can ductile iron pipe be used for marine and offshore applications?: Ductile iron pipe is suitable for marine and offshore applications due to its high strength and durability. It is well-known for its ability to withstand demanding environments and is particularly resistant to corrosion, including the corrosive effects of saltwater and harsh marine conditions. Moreover, its ductility allows for flexibility and resistance to cracking or fracturing under high-pressure conditions. These exceptional properties make ductile iron pipe a dependable choice for transporting fluids and gases in marine and offshore industries, such as offshore oil and gas platforms, marine structures, and underwater pipelines. To further enhance the corrosion resistance of ductile iron pipes in marine and offshore applications, it is essential to utilize proper coating and cathodic protection systems.

Q: Is there a kind of pipe called lined ductile iron pipe? Seeking manufacturers?: The 10kg pressure ball tube is also used as a drain, and the second is the W ductile iron pipe, i.e., without spigot, ductile tube, or lined ductile iron tube.

Q: Can ductile iron pipes be used in tunneling or microtunneling projects?: Yes, ductile iron pipes can be used in tunneling or microtunneling projects. Ductile iron pipes are known for their durability, strength, and resistance to corrosion, making them suitable for underground applications. They can handle the pressure and load requirements of tunneling projects and provide reliable and long-lasting performance.

Q: How are ductile iron pipes protected against stray current corrosion?: Various preventive measures and protective coatings are employed to safeguard ductile iron pipes from stray current corrosion. Stray current corrosion arises when an electric current flows through the pipe, causing accelerated corrosion and potential harm. To prevent this, the following measures are generally utilized: 1. Electrical isolation: Ductile iron pipes are insulated from other metallic structures by means of insulating materials like rubber gaskets or non-conductive coatings. This insulation obstructs the passage of stray current through the pipe, thereby minimizing the risk of corrosion. 2. Cathodic protection: Cathodic protection is a widely employed technique to shield ductile iron pipes from stray current corrosion. It involves installing sacrificial anodes or impressed current systems near the pipe. These anodes or systems emit a controlled electric current that counters the stray current and guarantees the cathodic protection of the iron pipe. 3. Coatings: Ductile iron pipes are typically coated with protective layers to enhance their resistance against corrosion. A common coating is fusion-bonded epoxy (FBE), which offers a high level of protection against stray current corrosion. FBE coatings act as a barrier, preventing electrical contact between the pipe and the surrounding environment. 4. Monitoring and maintenance: Regular monitoring and maintenance are essential for ensuring the ongoing protection of ductile iron pipes against stray current corrosion. This entails inspecting the protective coatings for any damage or deterioration and promptly repairing or replacing them as required. Additionally, monitoring systems can be installed to detect and measure stray currents, allowing for timely intervention if necessary. By implementing these protection measures, ductile iron pipes can effectively ward off stray current corrosion, thereby prolonging their lifespan and ensuring the integrity of the pipeline infrastructure.

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