DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN100

DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN100

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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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Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm PN 16

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 in areas with high soil acidity?: Ductile iron pipes can be used in areas with high soil acidity, but certain precautions should be taken to ensure their longevity and performance. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, which makes them suitable for various soil conditions, including those with high acidity. However, high soil acidity can still pose a potential risk to ductile iron pipes over time. Acidic soils can accelerate the corrosion process, potentially leading to the degradation of the pipe material. To mitigate this risk, several measures can be implemented: 1. Protective Coatings: Applying protective coatings to the outer surface of the ductile iron pipes can provide an extra layer of defense against soil acidity. These coatings, such as epoxy or polyethylene, act as a barrier, preventing direct contact between the pipe and the corrosive soil. 2. pH Adjustment: Adjusting the pH levels of the soil can help reduce its acidity. This can be done by adding lime or other neutralizing agents to the soil, which will help create a more favorable environment for the ductile iron pipes. 3. Cathodic Protection: Implementing cathodic protection systems can be an effective method to prevent corrosion in ductile iron pipes. This technique involves the use of sacrificial anodes or impressed current systems to create a protective electrical current that counteracts the corrosive effects of the soil. 4. Regular Inspections: Periodic inspections should be conducted to monitor the condition of the ductile iron pipes in areas with high soil acidity. This allows for early detection of any corrosion or degradation, enabling timely repairs or replacements to be carried out. By implementing these measures, ductile iron pipes can be effectively used in areas with high soil acidity, ensuring their long-term performance and minimizing the risks associated with corrosive soils. However, it is always recommended to consult with experts or engineers familiar with local soil conditions and the specific requirements of the project to determine the most suitable materials and protective measures.

Q: How do ductile iron pipes perform in cold weather conditions?: Ductile iron pipes are known for their excellent performance in cold weather conditions. Unlike other materials, such as cast iron or PVC, ductile iron has exceptional resistance to low temperatures. This is primarily due to its unique microstructure, which enables it to withstand extreme weather conditions without compromising its structural integrity. In cold weather, ductile iron pipes have a low coefficient of thermal expansion, meaning they do not contract or expand significantly with temperature changes. This characteristic allows them to remain stable and resistant to cracking or bursting, even in freezing temperatures. Additionally, the ductile iron material has high impact resistance, which further enhances its ability to withstand the stress imposed by cold weather conditions. Furthermore, ductile iron pipes have a protective lining, typically made of cement mortar or epoxy, which acts as an additional barrier against the effects of cold weather. This lining prevents the formation of ice on the inner surface of the pipes, reducing the risk of blockages or reduced flow capacity. Overall, ductile iron pipes are a reliable choice for cold weather conditions. Their durability, low thermal expansion, and protective lining make them highly resistant to the challenges posed by freezing temperatures. Whether it is for water supply, sewer systems, or other applications, ductile iron pipes have proven their ability to perform effectively even in the harshest winter climates.

Q: What's the advantage of FCD50 ductile iron?: The threading pipe threading pipe application of flame retardant PVC line pipe, the pipe wall surface should be smooth, the wall thickness required was not broken finger pinch strength, but also should have the certificate. You can also use the national standard galvanized pipe as threading pipe.

Q: What is the expected external coating for ductile iron pipes?: The expected external coating for ductile iron pipes is typically a protective layer of asphaltic or polyethylene coating.

Q: How are ductile iron pipes protected against internal corrosion caused by chemicals?: Ductile iron pipes are protected against internal corrosion caused by chemicals through a combination of several protective measures. Firstly, these pipes are usually lined with a cement mortar lining or an epoxy coating. This lining acts as a barrier between the chemical substances in the water or sewage and the iron material of the pipe, preventing direct contact and corrosion. In addition to the lining, a corrosion-resistant polymer or bituminous coating is often applied to the exterior of the ductile iron pipes. This coating serves as an extra layer of protection, safeguarding the pipe against any external chemical exposure that may occur. Furthermore, cathodic protection is commonly employed to prevent internal corrosion. This technique involves the use of sacrificial anodes, typically made of zinc or magnesium, which are attached to the pipe. The anodes corrode over time instead of the iron, effectively sacrificing themselves to protect the pipe from corrosion caused by chemicals. Regular maintenance and monitoring of the ductile iron pipes are also crucial in preventing and addressing any potential corrosion issues. This includes routine inspections, cleaning, and repairing any damaged or corroded areas promptly. Overall, the combination of lining, external coating, cathodic protection, and maintenance practices ensures that ductile iron pipes are well-protected against internal corrosion caused by chemicals, prolonging their lifespan and ensuring the integrity of the pipeline system.

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: What is the expected surge pressure rating of ductile iron pipes?: The expected surge pressure rating of ductile iron pipes can vary depending on factors such as pipe diameter, wall thickness, and application. However, generally speaking, ductile iron pipes have a surge pressure rating that ranges from 350 psi to 500 psi.

Q: What are the different corrosion protection options for ductile iron pipe?: There are several corrosion protection options available for ductile iron pipes. These include internal linings such as cement mortar or polyethylene encasement, external coatings like zinc or polyethylene, and cathodic protection systems. Each option offers varying levels of protection and is chosen based on the specific needs and conditions of the pipe installation.

Q: How are ductile iron pipes protected against stray electrical currents?: To safeguard water and sewer systems, ductile iron pipes are shielded from stray electrical currents through a technique called cathodic protection. This process entails the application of a low-voltage direct current (DC) to the pipes, generating a defensive electrical field around them. To achieve cathodic protection, sacrificial anodes or impressed current systems are installed near the ductile iron pipes. Sacrificial anodes, composed of a more electrically active metal like zinc or magnesium, are connected to the pipes and act as the electrical current source. Over time, these anodes corrode, sacrificing themselves to shield the pipes from corrosion caused by stray electrical currents. However, impressed current systems utilize an external power source to supply the protective electrical current. Rectifiers are employed to convert alternating current (AC) to direct current (DC), which is then administered to the pipes through anodes. This approach provides greater control over the amount of current applied, ensuring optimal protection. In both scenarios, the electrical current flowing through the sacrificial anodes or impressed current systems establishes a protective barrier around the ductile iron pipes. This barrier impedes the flow of stray electrical currents through the pipes, thus diminishing the risk of corrosion and prolonging the infrastructure's lifespan. Regular monitoring and maintenance of the cathodic protection system are crucial to uphold its efficacy. This involves inspecting the anodes, assessing the levels of electrical current, and making any necessary adjustments or replacements to maintain the desired level of protection. To summarize, cathodic protection is a dependable and widely utilized method for safeguarding ductile iron pipes against stray electrical currents. By preserving the integrity and longevity of water and sewer systems, it plays a vital role in ensuring their functionality.

Q: Can ductile iron pipes be used in mining applications?: Ductile iron pipes are well-suited for incorporation into mining applications due to their exceptional strength and durability. Renowned for their ability to withstand rigorous environments, such as mines, ductile iron pipes offer excellent resistance to corrosion, a crucial characteristic when dealing with water or liquids that may contain chemicals or minerals. Furthermore, these pipes possess commendable impact resistance, enabling them to endure the harsh conditions commonly encountered in mining operations. Their ease of installation and maintenance further contribute to their efficiency and cost-effectiveness in mining applications. All in all, ductile iron pipes are a dependable choice for the transportation of water, slurry, or other substances within mining operations.

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