DUCTILE IRON PIPES AND PIPE FITTINGS K8 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:Can ductile iron pipes be used for underground hydropower systems?: Yes, ductile iron pipes can be used for underground hydropower systems. Ductile iron pipes are known for their strength and durability, making them suitable for various applications, including underground installations. They have excellent resistance to corrosion and can withstand high pressure, making them ideal for carrying water in hydropower systems. Ductile iron pipes also have a long lifespan, reducing the need for frequent replacements and minimizing maintenance costs. Additionally, they have good joint integrity, ensuring leak-free connections underground. Therefore, ductile iron pipes are a reliable choice for underground hydropower systems.

Q:How are ductile iron pipes restrained against axial thrust forces?: Ductile iron pipes are typically restrained against axial thrust forces through the use of various mechanical joint systems. These joints, such as the push-on joint or the restrained joint, provide a secure connection between the pipes, preventing movement and ensuring structural integrity. Additionally, methods like concrete thrust blocks or anchor blocks are often used to further restrain the pipes and counteract any axial thrust forces that may be exerted on them.

Q:Can ductile iron pipes be used in high-temperature applications?: Yes, ductile iron pipes can be used in high-temperature applications. Ductile iron pipes have a higher melting point compared to other types of pipes such as PVC or HDPE, making them suitable for carrying fluids at elevated temperatures. The material properties of ductile iron, including its strength, toughness, and resistance to thermal stress, enable it to withstand higher temperatures without deforming or failing. However, it is important to note that the specific temperature limit for ductile iron pipes may vary depending on factors such as the grade of ductile iron used, the pressure of the fluid being carried, and the duration of exposure to high temperatures. Therefore, it is crucial to consult the manufacturer's specifications and guidelines to ensure that ductile iron pipes are appropriately selected and installed for high-temperature applications.

Q:Are ductile iron pipes suitable for use in residential plumbing?: Ductile iron pipes are indeed a suitable choice for residential plumbing. This material, known for its strength and durability, is resistant to corrosion, making it highly advantageous for plumbing systems. With its remarkable tensile strength, ductile iron pipes can endure high pressure and are less prone to cracking or breaking, unlike other materials. Moreover, these pipes are renowned for their extensive lifespan, lasting over 100 years, guaranteeing reliability in residential plumbing systems. Furthermore, ductile iron pipes exhibit exceptional flow characteristics, ensuring efficient water distribution throughout the entire household. In conclusion, the strength, durability, and corrosion resistance of ductile iron pipes render them a fitting and long-lasting solution for residential plumbing needs.

Q:Can ductile iron pipes be used for underground irrigation systems?: Yes, ductile iron pipes can be used for underground irrigation systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the pressure and load requirements of irrigation systems. It is commonly used in underground applications due to its longevity and reliability.

Q:Can ductile iron pipes be used for wastewater treatment plants?: Indeed, ductile iron pipes have proven to be a viable option for wastewater treatment plants. Renowned for their robustness and endurance, these pipes are well-suited to endure the challenging and corrosive conditions present in such facilities. They possess the ability to withstand elevated pressures and exhibit resistance against corrosion, which is crucial for effectively managing wastewater and the diverse range of chemicals utilized in the treatment procedure. Additionally, ductile iron pipes offer the advantage of being effortless to install and maintain, ensuring an extended period of service. Consequently, they are frequently utilized in wastewater treatment plants for the transportation and distribution of wastewater across the entirety of the establishment.

Q:Are ductile iron pipes suitable for horizontal directional drilling?: Yes, ductile iron pipes are suitable for horizontal directional drilling due to their high strength and flexibility, which allows them to withstand the stress and bending forces during the drilling process.

Q:Can ductile iron pipes be used in coastal or marine environments?: Ductile iron pipes are applicable for coastal or marine environments. This type of cast iron has been treated with magnesium to enhance its strength, ductility, and resistance to corrosion. As a result, it can be used in environments with high moisture levels, like coastal or marine areas. Coastal and marine environments are characterized by their high saltwater levels, which can lead to metal pipe corrosion. However, ductile iron pipes possess an excellent resistance to corrosion thanks to their protective coating. This coating acts as a barrier between the pipe and the corrosive elements present in saltwater, preventing rust formation and prolonging the pipes' lifespan. Moreover, ductile iron pipes can withstand the high pressures and stresses associated with coastal and marine applications. They possess high tensile strength, enabling them to support the weight of soil, rocks, and other materials that may be present in these environments. Furthermore, ductile iron pipes are resilient to damage caused by external forces like waves or debris, making them a dependable choice for coastal or marine projects. In conclusion, ductile iron pipes are a suitable option for coastal or marine environments due to their corrosion resistance, high tensile strength, and durability. They can reliably transport water or other fluids in these challenging environments while maintaining their structural integrity for an extended period.

Q:Method for joining cast iron pipes: The connection between the pipe and the pipe adopts the form of socket type or flange disk interface. According to the function, it can be divided into two kinds: flexible interface and rigid interface. The flexible interface is sealed with rubber ring, which allows a certain degree of corner and displacement, so it has good seismic resistance and tightness. It is easy and quick to install than rigid interface. It has little labor intensity according to the casting method.

Q:Deep well spiral iron pipe, or ductile iron tube?: In the ferrite and pearlite matrix on the distribution of a certain number of spheroidal graphite, according to the nominal diameter and the elongation of different microstructure of ferrite and pearlite in different proportions of small caliber pearlite percentage is generally not more than 20%, large diameter of the general control in about 25%.

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