DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1500

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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 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: How long does the cast iron pipe of indoor direct buried sewage need to be examined?: Cast iron pipe, cast cast pipe. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on.

Q: Can ductile iron pipes be used in marine environments?: Yes, ductile iron pipes can be used in marine environments. Ductile iron is a type of cast iron that exhibits excellent mechanical properties, high corrosion resistance, and durability. These properties make it suitable for various applications, including marine environments. Marine environments are known to be highly corrosive due to the presence of saltwater, high humidity, and other harsh conditions. However, ductile iron pipes are designed to withstand such conditions. They have a protective layer called the "graphite skin" that acts as a barrier against corrosion. This graphite skin helps to prevent the formation of rust and protects the pipe from degradation. Furthermore, ductile iron pipes can also be protected with additional coatings or linings to enhance their resistance to corrosion in marine environments. These protective coatings can include epoxy, polyurethane, or zinc coatings. These coatings act as an extra layer of defense against corrosion, ensuring the longevity and reliability of the pipes in marine environments. It is important to note that proper maintenance and regular inspection are necessary to ensure the optimal performance of ductile iron pipes in marine environments. This includes regular cleaning to remove any marine growth or debris that may accumulate on the pipes and conducting routine inspections to detect any signs of corrosion or damage. In conclusion, ductile iron pipes can indeed be used in marine environments. Their inherent corrosion resistance, durability, and the ability to apply additional protective coatings make them a suitable choice for various marine applications.

Q: How does ductile iron pipe perform in areas with high groundwater salinity?: Due to its inherent resistance to corrosion, ductile iron pipe is highly effective in areas with high groundwater salinity. The presence of elevated levels of salt and minerals in the groundwater can lead to the corrosion and deterioration of certain materials, but ductile iron is highly resilient to this type of corrosion. Its composition and manufacturing process make it less susceptible to damage from corrosive elements found in high salinity water. The primary reason for the corrosion resistance of ductile iron pipe lies in its protective iron oxide coating, which naturally forms on both the interior and exterior surfaces of the pipe. This coating acts as a barrier, preventing direct contact between the pipe and the corrosive elements present in the groundwater. Additionally, ductile iron pipes are often lined with cement mortar or a protective epoxy coating, further enhancing their resistance to corrosion and providing an extra layer of protection. Moreover, ductile iron pipe boasts an extended lifespan, often surpassing 100 years, making it an ideal choice for areas with high groundwater salinity. Its durability and resistance to corrosion ensure that it can withstand the harsh conditions associated with high salinity environments, minimizing the frequency of repairs or replacements. In conclusion, ductile iron pipe is an exceptional option for areas with high groundwater salinity due to its corrosion resistance properties. Its protective iron oxide coating, along with optional linings, offers a dependable and long-lasting solution, guaranteeing the integrity and performance of the pipe system even in demanding environments.

Q: What are the different coatings available for ductile iron pipe?: Ductile iron pipes offer a range of coating options, each with their own advantages and protective qualities for different uses. Some commonly utilized coatings are as follows: 1. Cement Mortar Lining: By applying a layer of cement mortar to the pipe's interior surface, this coating provides excellent resistance against corrosion and abrasion. It is ideal for transporting water and sewage. 2. Bituminous Coating: Consisting of asphalt or coal tar pitch applied to the pipe surface, bituminous coatings offer effective protection against corrosion. They are commonly used for underground pipes in water and wastewater systems. 3. Fusion-Bonded Epoxy (FBE) Coating: FBE coatings are created by electrostatically applying an epoxy powder layer to the pipe surface, which is then cured at high temperatures. This coating offers exceptional corrosion resistance and is suitable for harsh environments and corrosive substances. 4. Polyurethane Coating: Polyurethane coatings provide excellent resistance against abrasion, impact, and corrosion. They are often used for pipes exposed to abrasive materials or requiring additional protection against external damage. 5. Zinc Coating: Also known as galvanized coatings, zinc coatings involve applying a layer of zinc to the pipe's surface. This coating offers excellent corrosion protection, making it suitable for pipes exposed to moisture and aggressive environments. 6. Polyethylene Encasement: Polyethylene encasement involves wrapping the pipe with a layer of polyethylene film or tape. This coating acts as a physical barrier against corrosion and is commonly used in conjunction with other coatings for added protection. To determine the most appropriate coating for ductile iron pipes, it is crucial to consider the specific requirements of the application, such as the type of fluid being transported and the environmental conditions.

Q: How can stainless steel pipes and ductile iron pipes be joined?: The utility model can be connected with a wide range flange joint or a wide range flexible joint

Q: What are the different accessories available for ductile iron pipe?: There are several accessories available for ductile iron pipes that help enhance their functionality and ensure efficient operation. Some of the common accessories include: 1. Flange Adapters: These accessories help connect ductile iron pipes to other pipe materials or equipment such as valves, pumps, or fittings. Flange adapters provide a secure and leak-proof connection. 2. Mechanical Joint Fittings: Mechanical joint fittings are used to join ductile iron pipes together. They consist of a gland, gland follower, and bolts, providing a flexible and easily adjustable connection. 3. Restrained Joint Fittings: These fittings are used in applications where the pipe needs to be restrained to prevent movement or separation. They ensure stability and prevent potential damage from external forces or pressure. 4. Thrust Blocks: Thrust blocks are concrete structures used to resist the thrust generated by internal pressure in ductile iron pipes. They prevent pipe movement and maintain stability. 5. Valve Boxes: Valve boxes provide protection and easy access to valves installed along the ductile iron pipeline. They are typically made of cast iron or polymer materials and are available in various sizes and designs. 6. Hydrant Assemblies: Hydrant assemblies are installed for fire protection purposes. They consist of a ductile iron pipe, a hydrant valve, and a fire hydrant. These assemblies are crucial for quick access to water during firefighting operations. 7. Tapping Saddles: Tapping saddles are used to create a branch connection on a ductile iron pipe without interrupting the flow. They provide a convenient way to install service connections, valves, or meters. 8. Pipe Restraints and Supports: These accessories are used to secure ductile iron pipes to structures or prevent excessive movement. They help maintain proper alignment, prevent sagging, and ensure the structural integrity of the pipeline. 9. Pipe Repair Clamps: In case of pipe damage or leaks, repair clamps provide a quick and temporary solution. These clamps are designed to fit around the damaged area and provide a tight seal to stop the leak. 10. Gaskets and Seals: Gaskets and seals are essential accessories to ensure leak-free connections. They are available in various materials, such as rubber or synthetic compounds, and are used to create a watertight seal between pipes or fittings. These are just a few examples of the accessories available for ductile iron pipes. The selection of accessories depends on the specific requirements of the project, and consulting with a pipe supplier or engineer is recommended to ensure the right accessories are chosen for the application.

Q: What is the expected deflection capability of ductile iron pipes?: Compared to other pipe materials, ductile iron pipes typically have a high expected deflection capability. These pipes possess a flexible nature that enables them to withstand external loads and stresses without breaking or cracking. This flexibility allows the pipes to deflect under pressure, absorbing and evenly distributing the force along their length. Factors such as pipe diameter, wall thickness, and soil conditions can influence the specific deflection capability of ductile iron pipes. However, in general, these pipes can typically deflect up to 2% to 5% of their diameter without causing significant damage or compromising structural integrity. This deflection capability allows the pipes to adapt to ground movement, thermal expansion, and other external forces, making them highly resilient and reliable for various applications. It is important to consider the deflection capability of ductile iron pipes in conjunction with other design criteria, such as pipe burial depth, trench width, and backfill material. By following proper installation practices and adhering to industry standards and specifications, the expected deflection capability of ductile iron pipes can be optimized and maintained throughout their service life.

Q: Are ductile iron pipes suitable for sewage treatment plants?: Yes, ductile iron pipes are suitable for sewage treatment plants. Ductile iron pipes are known for their durability, strength, and corrosion resistance, making them ideal for handling the corrosive and abrasive nature of sewage. They can withstand high pressure and are capable of accommodating heavy loads and ground movements, making them a reliable choice for sewage treatment facilities. Additionally, their smooth interior surface minimizes friction, reducing the risk of clogs and improving the flow of wastewater.

Q: How are ductile iron pipes protected against stray current corrosion?: Various preventive measures and protective coatings are employed to safeguard ductile iron pipes from stray current corrosion. Stray current corrosion arises when an electric current flows through the pipe, causing accelerated corrosion and potential harm. To prevent this, the following measures are generally utilized: 1. Electrical isolation: Ductile iron pipes are insulated from other metallic structures by means of insulating materials like rubber gaskets or non-conductive coatings. This insulation obstructs the passage of stray current through the pipe, thereby minimizing the risk of corrosion. 2. Cathodic protection: Cathodic protection is a widely employed technique to shield ductile iron pipes from stray current corrosion. It involves installing sacrificial anodes or impressed current systems near the pipe. These anodes or systems emit a controlled electric current that counters the stray current and guarantees the cathodic protection of the iron pipe. 3. Coatings: Ductile iron pipes are typically coated with protective layers to enhance their resistance against corrosion. A common coating is fusion-bonded epoxy (FBE), which offers a high level of protection against stray current corrosion. FBE coatings act as a barrier, preventing electrical contact between the pipe and the surrounding environment. 4. Monitoring and maintenance: Regular monitoring and maintenance are essential for ensuring the ongoing protection of ductile iron pipes against stray current corrosion. This entails inspecting the protective coatings for any damage or deterioration and promptly repairing or replacing them as required. Additionally, monitoring systems can be installed to detect and measure stray currents, allowing for timely intervention if necessary. By implementing these protection measures, ductile iron pipes can effectively ward off stray current corrosion, thereby prolonging their lifespan and ensuring the integrity of the pipeline infrastructure.

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