DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN125

DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN125

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 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: How are ductile iron pipes protected against internal scaling or buildup?: Ductile iron pipes are protected against internal scaling or buildup through various methods. One of the most common methods is the application of cement mortar lining on the inner surface of the pipes. This lining acts as a protective barrier, preventing the formation of scale or buildup and ensuring a smooth flow of water or other fluids. Additionally, the pipes can be coated with a layer of polyethylene or other suitable materials to provide an extra level of protection against scaling or buildup. This coating acts as a barrier between the water and the iron surface, reducing the chances of corrosion or scale formation. Regular maintenance and cleaning are also crucial in preventing internal scaling or buildup in ductile iron pipes. Flushing the pipes with high-pressure water or using chemical treatments can help remove any accumulated scale or debris, ensuring the pipes remain clean and functional. Furthermore, proper water treatment is important to minimize the risk of scaling or buildup. Implementing appropriate water treatment processes, such as pH adjustment or the use of corrosion inhibitors, can help maintain the quality of the water and prevent the formation of scale or buildup inside the pipes. In conclusion, ductile iron pipes are protected against internal scaling or buildup through various measures, including cement mortar lining, pipe coating, regular maintenance, cleaning, and proper water treatment. These measures ensure the longevity and efficiency of the pipes, minimizing the chances of clogging or reduced flow capacity.

Q: How can 4 inch ductile iron pipe be connected with 2 inch galvanized pipe?: Ductile cast iron used for more than 18 by adding nodulizer, after centrifugal ductile cast iron machine high speed centrifugal cast pipe, called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc.. The utility model is mainly used for conveying water, and is an ideal choice for tap water pipes.

Q: Are ductile iron pipes suitable for hydroelectric power plants?: Indeed, hydroelectric power plants can benefit from the suitability of ductile iron pipes. Renowned for their robustness, endurance, and adaptability, ductile iron pipes prove to be an optimal selection for a variety of water industry applications, including hydroelectric power plants. These pipes exhibit the ability to endure substantial pressure and resist corrosion, thereby ensuring their appropriateness for the conveyance of water throughout the various stages of hydroelectric power generation. Moreover, the extended lifespan of ductile iron pipes and their minimal maintenance requirements effectively reduce the overall operational expenses associated with power plant maintenance. Consequently, ductile iron pipes emerge as a dependable and fitting choice for hydroelectric power plants.

Q: What are the different joint types available for ductile iron pipe?: There are several different joint types available for ductile iron pipe, each with its own advantages and applications. The most common joint types used in ductile iron pipe installations are: 1. Push-on Joint: This joint type is the most widely used and involves a rubber gasket that is placed into a groove on the spigot end of the pipe. The pipe is then pushed into the bell end of the adjoining pipe, creating a watertight seal. Push-on joints are quick and easy to install, making them ideal for applications that require a fast and efficient installation process. 2. Mechanical Joint: This joint type involves the use of a gland and follower gasket that is compressed between the spigot end of one pipe and the bell end of the adjoining pipe. A series of bolts and nuts are used to secure the joint, ensuring a tight and secure connection. Mechanical joints provide a high level of joint integrity and are often used in applications where higher pressures or heavy loads are expected. 3. Flanged Joint: Flanged joints involve the use of flanges on the ends of the pipes, which are then bolted together using gaskets to create a leak-proof connection. Flanged joints are commonly used in applications where the pipe needs to be easily disconnected and reconnected, such as in pump stations or at valve connections. 4. Restrained Joint: Restrained joints are designed to prevent the pipes from separating under high internal pressures or external forces. These joints typically include a mechanical joint with additional restraining devices such as harnesses, rods, or thrust blocks. Restrained joints are commonly used in applications where there is a risk of pipe movement or where stability is critical. It's important to note that the selection of joint type depends on various factors such as the application, operating conditions, and project requirements. Consulting with a professional engineer or pipe manufacturer is recommended to determine the most suitable joint type for a specific ductile iron pipe installation.

Q: Can ductile iron pipes be used for underground storage tanks?: No, ductile iron pipes are not suitable for underground storage tanks. Underground storage tanks usually require special materials that have corrosion resistance and can withstand the pressure and environmental conditions.

Q: What does ductile iron pipe "K" mean?: 1 、 pipe fittings are K type, T type, etc.;2 wall thickness registration symbol. For example, according to the pipe quality standards GB/T13295-K9, which is the wall thickness ofK=9* (DN/1000+0.5)

Q: What is the minimum cover requirement for ductile iron pipes?: The specific project or engineering design considerations typically determine the minimum cover requirement for ductile iron pipes. However, as a general rule, it is often recommended to have a minimum cover requirement of at least 2 feet (or 0.6 meters) from the top of the pipe to the finished ground surface. This recommendation helps protect the pipe from external loads, soil settlement, and potential damage during construction activities. Additionally, it contributes to the long-term structural integrity and durability of the ductile iron pipe system. It is crucial to consult local building codes, industry standards, and project specifications for accurate and up-to-date information on specific minimum cover requirements.

Q: What are the different methods for cutting ductile iron pipe?: There are several methods for cutting ductile iron pipe, including using a reciprocating saw, a cut-off wheel, a bandsaw, or a pipe cutter specifically designed for ductile iron. Each method has its advantages and disadvantages, and the choice depends on factors such as the pipe diameter, the precision required, and the available tools and equipment.

Q: Can ductile iron pipes be used in contaminated soil conditions?: Yes, ductile iron pipes can be used in contaminated soil conditions. Ductile iron is known for its strength, durability, and corrosion resistance, making it suitable for various soil conditions, including those contaminated with chemicals or other pollutants. The material's resistance to corrosion ensures that the pipes can withstand the harsh conditions and maintain their structural integrity over time. However, it is important to consider the type and level of contamination in the soil and consult with experts to determine if any additional protective measures or coatings are required to ensure the long-term performance of the pipes.

Q: How do ductile iron pipes perform in earthquake-induced ground movements?: Ductile iron pipes have been proven to be a dependable and resilient choice for underground infrastructure, even in earthquake-prone regions. The distinctive qualities of ductile iron, such as its strength and flexibility, enable it to withstand the impacts of ground movements during an earthquake. When an earthquake occurs, the ground shakes and shifts, exerting significant forces on underground pipes. Ductile iron pipes possess the ability to flex under these forces, absorbing the energy and minimizing the risk of failure. They can endure substantial ground movements without cracking or breaking, guaranteeing the uninterrupted flow of water or other fluids. Moreover, ductile iron pipes exhibit exceptional resistance to corrosion and are highly durable, making them suitable for long-term use in areas susceptible to earthquakes. This reduces the necessity for frequent maintenance or replacement, providing cost-effective and reliable solutions for infrastructure. Additionally, the joints employed in ductile iron pipe installations are designed to accommodate movement and permit slight adjustments during ground shifts. This adaptability prevents the pipes from becoming dislodged or separated, preserving the system's integrity. Overall, ductile iron pipes have a well-established reputation for their performance in earthquake-induced ground movements. They offer resilience, flexibility, and durability, ensuring the uninterrupted operation of water and sewer systems, even in areas prone to seismic activity.

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