DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN800

DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN800

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 21 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 hydrocarbon pipelines?: Yes, ductile iron pipes can be used for underground hydrocarbon pipelines. Ductile iron is a strong and durable material that is commonly used in various applications including water and sewage systems, gas pipelines, and even hydrocarbon pipelines. Ductile iron pipes have excellent corrosion resistance properties and can withstand high pressures, making them suitable for transporting hydrocarbons underground. However, it is important to consider factors such as the specific composition of the hydrocarbons being transported and the environmental conditions of the pipeline route to ensure proper material selection and corrosion protection measures are implemented.

Q:How do ductile iron pipes handle ground movement due to tree roots?: Ductile iron pipes are known for their strong and durable nature, making them highly resistant to ground movement caused by tree roots. The flexibility of ductile iron allows it to withstand the pressure exerted by growing tree roots without fracturing or breaking. This is due to the material's ability to absorb and distribute stress, which helps to minimize the impact of ground movement. Moreover, ductile iron pipes have a smooth inner surface that minimizes the chances of tree root intrusion. The tightly sealed joints between the pipes also prevent roots from penetrating and causing damage. In instances where tree roots do manage to penetrate the soil and come into contact with ductile iron pipes, their resistance to corrosion provides an added advantage. Ductile iron pipes are coated with a protective layer that prevents the formation of rust and corrosion, ensuring their longevity and structural integrity. However, it is important to note that while ductile iron pipes are highly resistant to ground movement caused by tree roots, regular inspection and maintenance are still recommended. This allows for early detection and necessary repairs to be carried out if any root intrusion or damage is identified.

Q:Can ductile iron pipes be used in potable water systems?: Yes, ductile iron pipes can be used in potable water systems. Ductile iron is a type of cast iron that has enhanced strength and ductility. It is a common material choice for water infrastructure, including potable water systems, due to its durability, resistance to corrosion, and long service life. Ductile iron pipes are manufactured to meet specific standards and regulations for potable water usage, ensuring that they are safe for transporting drinking water. Additionally, ductile iron pipes have excellent flow characteristics, making them suitable for water distribution systems. Overall, ductile iron pipes are a reliable and commonly used material in potable water systems.

Q:Can ductile iron pipe be used for hydroelectric power generation?: Yes, ductile iron pipe can be used for hydroelectric power generation. Ductile iron is a type of cast iron that exhibits high strength, durability, and excellent corrosion resistance. These properties make it suitable for various applications, including the construction of hydroelectric power generation systems. Ductile iron pipes can be used for water conveyance in hydroelectric power plants. They are commonly used for penstocks, which are large pipes that carry water from the reservoir to the turbines. Penstocks are typically subjected to high pressure and flow rates, and ductile iron pipes can withstand these conditions. Furthermore, ductile iron pipes are resistant to corrosion, which is crucial in hydroelectric power generation. The water used in the power generation process can be highly corrosive due to its composition and the presence of impurities. Ductile iron's corrosion resistance ensures that the pipes remain robust and durable over time, reducing maintenance and replacement costs. Additionally, ductile iron pipes can be easily joined using various methods such as flanged, mechanical, or push-on joints. This allows for efficient and reliable installation, ensuring the integrity of the water conveyance system in hydroelectric power plants. In summary, ductile iron pipe is a suitable choice for hydroelectric power generation due to its strength, durability, corrosion resistance, and ease of installation. Its use in penstocks and other water conveyance systems contributes to the efficient and reliable operation of hydroelectric power plants.

Q:How do ductile iron pipes handle differential settlement?: Ductile iron pipes possess exceptional durability and are renowned for their ability to endure diverse environmental conditions, including differential settlement. Differential settlement refers to the uneven settling of the ground, which can often impose stress and strain on underground pipes. Specifically engineered to address settlement issues, ductile iron pipes exhibit inherent flexibility and strength. These pipes possess the capacity to flex and accommodate slight ground movements without incurring significant damage or failure. The flexibility of ductile iron pipes enables them to evenly distribute the stress and strain caused by differential settlement along their length. This characteristic assists in averting concentrated stress points that could potentially result in cracks or fractures in the pipe. Furthermore, the inherent strength of ductile iron pipes equips them with the necessary resistance to withstand the forces generated by differential settlement. The pipes' robust construction and high tensile strength render them less susceptible to deformation or damage caused by ground movements. Moreover, ductile iron pipes are commonly installed with flexible joints, such as rubber gaskets or push-on joints. These joints permit some movement and adapt to any slight misalignment or settlement that may occur. By providing flexibility at the joints, the pipes can better adjust to changes in ground conditions and diminish the risk of failure. In conclusion, ductile iron pipes possess the necessary attributes to effectively cope with differential settlement due to their flexibility, strength, and utilization of flexible joints. These features guarantee that the pipes can endure ground movements and continue to function efficiently without compromising their integrity or longevity.

Q:Can ductile iron pipes be used for river crossings?: Yes, ductile iron pipes can be used for river crossings. Ductile iron is a strong and durable material that can withstand the stresses and pressures of being installed underground and crossing rivers. It is commonly used in water and sewage systems, including river crossings, due to its resistance to corrosion and its ability to handle high water pressure.

Q:Are ductile iron pipes suitable for use in desalination plants?: Yes, ductile iron pipes are suitable for use in desalination plants. Ductile iron is known for its high strength and durability, making it capable of withstanding the harsh conditions and corrosive nature of desalination processes. Additionally, ductile iron pipes have excellent resistance to internal and external corrosion, making them a reliable choice for transporting the high-pressure brine and freshwater in desalination plants.

Q:QT400-10 nodular cast iron requires hardness of HRC47~51. Why can't quench hardness be reached?: Quenching temperature: when the silicon content of nodular cast iron is 2.0-3.0%, the quenching temperature is 860-900 DEG C, the silicon content is low, and the upper limit is taken when the lower limit is high.2. holding time: because of the consideration of diffusion graphite cast iron, alloy steel is therefore the holding time, holding time longer than carbon steel.3. oil quenching.

Q:Can ductile iron pipe be used for marine applications?: Yes, ductile iron pipe can be used for marine applications. It is corrosion-resistant and has high strength, making it suitable for various marine environments and applications such as underwater pipelines, dock construction, and seawater intake systems.

Q:What is the expected roughness coefficient of ductile iron pipes?: The expected roughness coefficient of ductile iron pipes is typically between 0.01 to 0.015.

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