DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700

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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:Why is the sound speed of nodular cast iron lowered after heat treatment?: Sound travels faster in a solid than it does in a liquidOr so, after heating, the intermolecular repulsion decreases, so that the same potential energy conduction requires molecules to move more distances, making the transmission slower

Q:Can ductile iron pipes be used for underground fire protection systems?: Yes, ductile iron pipes can be used for underground fire protection systems. Ductile iron pipes have excellent strength and durability, making them suitable for withstanding the high pressure and temperature conditions that may occur during a fire. Additionally, ductile iron pipes have a high resistance to corrosion, which is important for long-term use underground. They also provide excellent flow characteristics, ensuring that water can be quickly and efficiently delivered to extinguish fires. Overall, ductile iron pipes are a reliable and effective choice for underground fire protection systems.

Q:Are ductile iron pipes suitable for installation in areas with high soil compaction?: Yes, ductile iron pipes are suitable for installation in areas with high soil compaction. Ductile iron pipes have high strength and durability, allowing them to withstand the pressure exerted by compacted soil. They can effectively resist external loads and provide long-term performance, making them a reliable choice for such areas.

Q:How do ductile iron pipes handle soil movement?: Ductile iron pipes are renowned for their exceptional strength and durability, rendering them highly adept at managing soil movement. These pipes are engineered to withstand the external loads and pressures arising from soil settlement, ground shifting, or other environmental elements. A significant characteristic of ductile iron pipes lies in their flexibility. Unlike inflexible materials such as cast iron or concrete pipes, ductile iron pipes possess a certain degree of elasticity, enabling them to endure soil movement without succumbing to cracks or fractures. This flexibility empowers the pipes to absorb the stresses imposed by the soil, effectively preventing any substantial harm to the pipeline system. Furthermore, ductile iron pipes exhibit remarkable tensile strength, allowing them to resist the pulling forces that arise from soil movement. The pipes can endure the expansion and contraction of the surrounding soil, thereby diminishing the likelihood of pipe deformation or failure. Additionally, ductile iron pipes are frequently installed using proper bedding and backfilling techniques to further enhance their capacity to handle soil movement. Adequate bedding materials, such as crushed stone or sand, are utilized to deliver stable support to the pipes and distribute the external loads uniformly. This serves to minimize the impact of soil movement on the pipes and uphold their structural integrity. In conclusion, ductile iron pipes are purposefully designed to proficiently manage soil movement by virtue of their flexibility, high tensile strength, and appropriate installation methods. These pipes can effectively endure the stresses generated by soil settlement, ground shifting, or other soil-related factors, ensuring dependable and long-lasting performance in a variety of environmental conditions.

Q:Can ductile iron pipes be used for wastewater treatment plants?: Yes, ductile iron pipes can be used for wastewater treatment plants. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for handling the harsh and corrosive environments typically found in wastewater treatment plants. Additionally, their flexibility and ability to withstand heavy loads make them ideal for underground installations and high-pressure applications commonly found in wastewater treatment systems.

Q:Are ductile iron pipes resistant to chemical attacks?: Yes, ductile iron pipes are generally resistant to chemical attacks. Ductile iron is known for its high corrosion resistance, making it suitable for a wide range of applications including water and wastewater systems. Ductile iron pipes are typically lined with a protective coating such as cement mortar or epoxy to further enhance their resistance to chemical attacks. This lining acts as a barrier between the pipe material and the corrosive substances, preventing any degradation of the iron. However, it is important to note that the level of resistance can vary depending on the specific chemical being transported and the concentration and temperature of the solution. Therefore, it is always advisable to consult with experts or engineers to ensure the suitability of ductile iron pipes for specific chemical environments.

Q:The design uses water supply ductile iron pipe, PE corrosion protection pipe, HDPE pipe, please ask that good? What's the price of the two?: Ductile iron pipes are difficult to make and do not make money, and even easy to lose money, it is not recommended to do, the price can be found on Baidu. DN100 6, about 400 yuan ~500 yuan, DN200,6 about 900 yuan ~1000 yuan, when the market to buy to ask a length. Difficult to do in ductile pipe easily affected by topography (when digging the trenching dug in front of the back of their repair, trouble), vulnerable to local soil effects (such as settlement). Parts connection is not fixed, easy to leak. The advantage is that once the installation is completed, the pressure test is successful and is used for life.

Q:How do ductile iron pipes handle ground settlement due to construction activities?: Ductile iron pipes have the ability to handle ground settlement caused by construction activities due to their flexibility and strength. These pipes are designed to withstand external pressure and can accommodate minor ground movements without significant damage or failure. The ductility of the material allows the pipes to deform slightly, absorbing the ground settlement and preventing them from cracking or breaking. Additionally, the joints in ductile iron pipes are typically flexible, allowing for further movement and reducing the risk of leakage or structural issues. Overall, ductile iron pipes are well-suited for withstanding ground settlement and ensuring the integrity of the pipeline system during construction activities.

Q:Are ductile iron pipes suitable for potable water distribution systems?: Yes, ductile iron pipes are suitable for potable water distribution systems. Ductile iron is a type of cast iron that is known for its high strength and durability, making it an excellent choice for conveying drinking water. These pipes are resistant to corrosion, which is essential for maintaining the quality and safety of potable water. Additionally, ductile iron pipes have a smooth interior surface, which helps to minimize the accumulation of sediments and biofilms that can affect water quality. They also have the ability to withstand high pressure and temperature changes, making them suitable for various potable water distribution systems. Overall, ductile iron pipes are a reliable and widely used option for ensuring the delivery of safe and clean drinking water to communities.

Q:What is the expected hydraulic performance of ductile iron pipes?: The expected hydraulic performance of ductile iron pipes is generally excellent due to their smooth internal surface, which minimizes friction and pressure drop, allowing for efficient flow of water or other fluids. Additionally, their high strength and durability ensure long-term reliability and minimal leakage, making ductile iron pipes a preferred choice for water supply and drainage systems.

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