DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN400

DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN400

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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: What is the expected thermal expansion coefficient of ductile iron pipes?: The expected thermal expansion coefficient of ductile iron pipes varies depending on several factors, including the specific composition of the iron and the temperature range in which the pipes are being used. However, as a general guideline, the thermal expansion coefficient of ductile iron pipes typically falls within the range of 10 to 14 x 10^-6 per degree Celsius (10-14 μm/m°C). This means that for every degree Celsius increase in temperature, a ductile iron pipe will expand by approximately 10 to 14 micrometers per meter of length. It is important to note that these values are approximate and may vary depending on the specific conditions and application of the pipes.

Q: Does the cast iron pipe for spheroidal graphite need corrosion protection when laying underground?: Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..

Q: Can ductile iron pipes be used for geothermal energy systems?: Yes, ductile iron pipes can be used for geothermal energy systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications, including geothermal energy systems. They can effectively handle the high pressures and temperatures associated with geothermal energy production, making them a reliable choice for transporting hot water or steam. Additionally, ductile iron pipes have a long lifespan, reducing maintenance and replacement costs for geothermal energy systems.

Q: How do ductile iron pipes handle ground movement near rivers and lakes?: Due to their unique properties and construction, ductile iron pipes are an ideal choice for managing ground movement near rivers and lakes. These pipes, made from a type of cast iron known for its strength and flexibility, possess exceptional resistance to both ground movement and external forces. One notable characteristic of ductile iron pipes is their ability to endure bending and stretching without breaking. This remarkable flexibility enables the pipes to accommodate ground movements, whether caused by natural phenomena like soil settling, erosion, or even seismic activity. By absorbing and dispersing the stress induced by ground movement, these pipes minimize the risk of cracks or fractures. Moreover, ductile iron pipes exhibit high impact resistance, enabling them to withstand external forces such as pressure from shifting soil or heavy machinery. This quality makes them less susceptible to damage during ground movements in areas prone to erosion or flooding near rivers and lakes. Furthermore, ductile iron pipes feature smooth internal surfaces, reducing friction and resistance to the flow of water. This ensures efficient water transportation even in regions experiencing ground movement, preventing potential blockages or disruptions to the water supply system. To further enhance their ability to withstand ground movement, ductile iron pipes are commonly installed using flexible joints, such as restrained joints or push-on joints, depending on the specific project requirements. These joints allow the pipes to move slightly without causing harm to the overall system, providing additional protection against ground movement near rivers and lakes. In conclusion, ductile iron pipes possess the necessary strength, flexibility, impact resistance, and smooth internal surfaces to effectively manage ground movement near rivers and lakes. These qualities make them a reliable choice for water transportation systems in areas prone to ground movement, ensuring the creation of a durable and efficient infrastructure for the supply of water.

Q: Are ductile iron pipes suitable for desalination plants?: Ductile iron pipes are the perfect fit for desalination plants. These plants typically need to move large amounts of water, and using ductile iron pipes has numerous advantages that make them an ideal choice for this purpose. To begin with, ductile iron pipes possess exceptional strength and durability, which are crucial for withstanding the high pressure and corrosive nature of desalinated water. They can easily handle the rapid flow rates and maintain their structural integrity over long distances, ensuring a dependable and efficient water transportation system. Furthermore, ductile iron pipes exhibit excellent resistance to corrosion, a key factor in desalination plants where the water often contains high levels of salt and other minerals. The corrosion-resistant properties of ductile iron pipes ensure that the water quality remains uncompromised and that the pipes have a long service life, ultimately reducing the costs associated with maintenance and replacement. Moreover, ductile iron pipes have a remarkable ability to withstand impacts, making them particularly valuable in desalination plants where pipelines may be exposed to external forces or accidental damage. By being able to endure such impacts, the risk of leaks is significantly reduced, ensuring a steady and uninterrupted supply of water. Additionally, compared to materials like stainless steel or PVC, ductile iron pipes are more cost-effective. They come with a lower initial cost and require less maintenance, making them the more economical choice for desalination plants. In conclusion, ductile iron pipes are undoubtedly the perfect fit for desalination plants due to their strength, durability, resistance to corrosion and impacts, as well as their cost-effectiveness. These pipes are well-equipped to meet the demanding requirements of desalination plants, providing a reliable and efficient water transportation system.

Q: How much is a ductile iron pipe dn400?: Ductile iron pipe nominal diameter is 80 ~ 2200 mm, compared with grey cast iron, high strength, good toughness, thin wall metal, less dosage, and can withstand high pressure, effective length of 5 meters, 6 meters and 8 meters; according to the different thickness of P, G two. It is the development direction of cast iron pipe.

Q: How can the steel plastic composite pipe be connected with the cast iron pipe?: The hoop has the advantages of beautiful appearance, convenient operation, strong clamping force, good sealing performance, etc.. Mainly used for connecting and fastening vehicle, ship, diesel engine, gasoline engine, machine tools, fire, and other machinery and equipment, chemical equipment general nylon hose, plastic hose, hose cloth, water interface and seal etc..

Q: How does ductile iron pipe perform in areas with high soil compaction?: Areas with high soil compaction benefit greatly from the exceptional performance of ductile iron pipe. One of its key advantages lies in its high strength and durability, enabling it to withstand heavy loads and pressures. In regions where soil compaction is prevalent, leading to ground movement and settling, ductile iron pipe's superior structural integrity guarantees its intactness and effective handling of stress. Moreover, ductile iron pipe exhibits excellent resistance to corrosion, which is especially crucial in areas with high soil compaction. The compacted soil often contains elevated levels of moisture or chemicals that may accelerate the corrosion process. Ductile iron's inherent resistance to corrosion ensures the pipe maintains its integrity over time, even in challenging soil conditions. Flexibility is another advantage of ductile iron pipe. This material possesses a high degree of flexibility, enabling it to absorb and distribute external loads more efficiently. In areas with high soil compaction, where the ground may shift or settle, ductile iron's flexibility minimizes the risk of pipe failure or damage. Additionally, ductile iron pipe boasts a smooth interior surface, enhancing its hydraulic performance. In regions with high soil compaction, where space for proper compaction around the pipe may be limited, the smooth interior reduces the likelihood of sediment buildup or clogging, ensuring efficient water flow. Overall, ductile iron pipe proves to be an excellent solution for areas with high soil compaction. Its strength, corrosion resistance, flexibility, and hydraulic performance establish it as a reliable and durable choice capable of withstanding the challenges presented by compacted soils.

Q: Are ductile iron pipes compatible with other pipe materials?: Yes, ductile iron pipes are compatible with other pipe materials. They can be connected to pipes made of various materials such as PVC, HDPE, steel, and more, using appropriate fittings and connectors.

Q: Are ductile iron pipes resistant to frost heave?: Yes, ductile iron pipes are generally resistant to frost heave due to their strong and flexible nature.

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