DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN900

DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN900

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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 pipe be used for oil and gas transmission pipelines?: Ductile iron pipe is a suitable choice for oil and gas transmission pipelines due to its many advantageous properties. With its high tensile strength, it can withstand the pressures and stresses involved in this application. Moreover, ductile iron pipe exhibits excellent corrosion resistance, which is further improved by protective coatings on its exterior. In addition, its durability and longevity ensure the reliability of oil and gas transmission pipelines. Overall, ductile iron pipe offers a reliable and cost-effective solution for oil and gas transmission pipelines.

Q:How do ductile iron pipes handle seismic movements?: Ductile iron pipes are known for their excellent ability to handle seismic movements. This is due to their unique properties and construction, which make them highly resistant to stress and deformation caused by ground vibrations during earthquakes. One of the key advantages of ductile iron pipes is their high tensile strength. This means that they can withstand significant forces without breaking or rupturing. When seismic movements occur, the pipes are able to flex and absorb the energy generated by the ground vibrations, thereby minimizing the risk of damage or failure. Additionally, ductile iron pipes have excellent resilience, meaning they can return to their original shape after being subjected to external forces. This property allows the pipes to adapt to the ground movements during earthquakes and reduce the likelihood of fractures or leaks. Furthermore, ductile iron pipes have considerable ductility, meaning they can deform without fracturing. This characteristic is crucial during seismic events as it allows the pipes to absorb the energy generated by the ground vibrations by deforming and then returning to their original shape once the seismic activity subsides. To further enhance their ability to handle seismic movements, ductile iron pipes are often designed and installed with flexible joints. These joints allow the pipes to move and adjust to the ground movements, providing additional protection against damage or failure. Overall, ductile iron pipes have proven to be highly reliable and resilient in withstanding seismic movements. Their combination of high tensile strength, resilience, and ductility make them an ideal choice for regions prone to earthquakes, ensuring the safety and longevity of fluid transportation systems.

Q:How are ductile iron pipes protected against internal corrosion?: Ductile iron pipes are protected against internal corrosion through a process called cement mortar lining. This involves applying a layer of cement mortar to the inner surface of the pipe, creating a protective barrier between the iron and the water flowing through it. This lining helps to prevent the formation of rust, corrosion, and scale build-up, ensuring the longevity and durability of the pipes.

Q:Are ductile iron pipes suitable for horizontal auger boring installations?: Horizontal auger boring installations can make use of ductile iron pipes, as they are recognized for their robustness and durability, rendering them a dependable choice for various installation techniques. This particular approach entails drilling a hole horizontally beneath the ground and subsequently inserting the pipe through said hole. Ductile iron pipes possess the capacity to endure the forces involved in this procedure and sustain their structural integrity. Moreover, they exhibit a high level of resistance to corrosion, which proves essential in underground installations, as they may come into contact with moisture and other potentially harmful elements. All in all, ductile iron pipes are a fitting and widely employed alternative for horizontal auger boring installations.

Q:Can ductile iron pipes be used for water supply networks?: Yes, ductile iron pipes can be used for water supply networks. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them an ideal choice for transporting water. Additionally, their flexibility allows for easy installation and maintenance, making them a popular option for water supply networks.

Q:How do ductile iron pipes perform in high-pressure applications?: Ductile iron pipes perform exceptionally well in high-pressure applications. Due to their superior strength and durability, they can withstand the high-pressure conditions without any significant issues. The ductile iron material is known for its ability to handle high-pressure situations, ensuring the reliability and long-lasting performance of the pipes.

Q:Can ductile iron pipes be used in underground installations?: Yes, ductile iron pipes can be used in underground installations. Ductile iron is a strong and durable material that is often used for underground piping systems due to its resistance to corrosion, high-pressure capacity, and ability to withstand external forces. It is commonly used in various applications such as water and sewage systems, gas pipelines, and industrial installations.

Q:How does ductile iron pipe handle temperature changes?: Ductile iron pipe is renowned for its effective handling of temperature changes. The exceptional properties of ductile iron give it a high resistance to thermal expansion and contraction, enabling it to endure extreme temperature variations without significant distortions or failures. When subjected to temperature changes, ductile iron pipes can expand or contract within specific limits due to their inherent ductility. This flexibility assists in accommodating thermal stresses and preventing pipe cracking or breakage. The material's remarkable tensile strength and elasticity also contribute to its capacity to manage temperature changes without substantial structural harm. Furthermore, ductile iron pipes possess a low coefficient of thermal expansion, meaning they expand and contract at a relatively gradual rate compared to other materials. This characteristic minimizes the potential for stress on pipe joints and reduces the risk of leaks or failures. In addition to its exceptional thermal stability, ductile iron pipe is equipped with a protective lining that further enhances its resistance to temperature changes. Linings such as cement mortar or polyethylene create a barrier between the pipe and the transported fluid, preventing any adverse effects caused by thermal variations on the pipe's inner surface. Overall, ductile iron pipe proves to be a dependable choice for applications where temperature changes are frequent. Its ability to withstand thermal stresses, low coefficient of thermal expansion, and protective linings make it a durable and efficient solution for various infrastructural needs, including water distribution, wastewater management, and industrial applications.

Q:Are ductile iron pipes resistant to biogenic sulfide corrosion?: Ductile iron pipes are known for their general resistance to biogenic sulfide corrosion. Biogenic sulfide corrosion is caused by the reaction between hydrogen sulfide gas, which is produced when organic matter decays, and metallic surfaces. However, ductile iron pipes have a protective layer called the cement mortar lining, which acts as a barrier against corrosive agents. This lining effectively resists the corrosive effects of biogenic sulfide, making ductile iron pipes a suitable choice for applications where this type of corrosion is a concern. In addition, the strength and durability of ductile iron pipes further contribute to their ability to resist biogenic sulfide corrosion.

Q:How does ductile iron pipe handle soil movement?: Ductile iron pipe possesses exceptional strength and durability, making it highly effective in managing soil movement. When the surrounding soil shifts or settles, ductile iron pipes can flex and adapt to this movement without compromising their structural integrity. The ability of ductile iron pipes to handle soil movement stems from their inherent capacity to endure bending and stretching. They have a remarkable level of flexibility, allowing them to adjust to ground shifts and settle without experiencing any breakage or cracks. This flexibility arises from the distinctive material properties of ductile iron, a type of cast iron that has been treated with magnesium to enhance its strength and elasticity. Furthermore, ductile iron pipes are constructed with a thick wall, which enhances their resistance against soil movement. This robust construction assists in distributing the forces exerted by the shifting soil, minimizing the impact on the pipe and preventing significant damage. Moreover, ductile iron pipes are typically installed with suitable bedding and backfill materials to provide additional support and stability. This involves using compacted soil or engineered granular materials around the pipe, which helps evenly distribute the load and reduces the potential for soil movement. Overall, ductile iron pipe is an excellent choice for areas with high soil movement, such as regions with expansive or unstable soils. Its flexibility, strength, and proper installation techniques enable it to effectively handle the challenges presented by soil movement, ensuring long-lasting and dependable performance in various applications.

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