DUCTILE IRON PIPE AND PIPE FITTINGS C CLASS DN400

DUCTILE IRON PIPE AND PIPE FITTINGS C CLASS DN400

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 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 do ductile iron pipes perform in high-temperature water applications?: Ductile iron pipes are known for their strength, durability, and excellent mechanical properties, which make them suitable for a wide range of applications. However, when it comes to high-temperature water applications, certain considerations need to be taken into account. Ductile iron pipes generally perform well in high-temperature water applications up to a certain threshold. The exact temperature limit depends on the specific grade of ductile iron used and the duration of exposure to high temperatures. In general, ductile iron pipes can withstand temperatures up to 350-400 degrees Fahrenheit for short periods without significant degradation or loss of strength. However, it is important to note that prolonged exposure to high temperatures can have detrimental effects on ductile iron pipes. At elevated temperatures, ductile iron pipes may experience a phenomenon called thermal degradation, which can lead to reduced mechanical properties, increased brittleness, and even cracking or failure over time. To mitigate the risks associated with high-temperature water applications, several measures can be taken. Firstly, selecting the appropriate grade of ductile iron with a higher temperature tolerance can enhance the pipe's performance. Secondly, implementing proper insulation or heat shielding measures can help minimize the direct heat transfer to the pipes, thereby reducing the potential for thermal degradation. Additionally, regular monitoring and maintenance of ductile iron pipes in high-temperature water applications are crucial to identify any signs of degradation or damage early on and take appropriate remedial actions to prevent failure. In summary, while ductile iron pipes can generally perform well in high-temperature water applications, it is important to carefully consider the specific conditions and requirements of the application to ensure their long-term performance and integrity.

Q: What's the difference between cast iron pipe and steel pipe?: Cast iron pipes (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. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated

Q: How are ductile iron pipes protected against abrasion or wear?: Ductile iron pipes are protected against abrasion or wear through various methods, including external coatings and linings. These protective measures serve to create a barrier between the pipe's surface and any potential abrasive materials or fluids it may come into contact with. Additionally, the use of sacrificial anodes and cathodic protection systems can also help prevent corrosion and extend the lifespan of the pipes.

Q: Can ductile iron pipes be used in areas with high temperature variations?: Yes, ductile iron pipes can be used in areas with high temperature variations. Ductile iron has a high resistance to thermal expansion and contraction, making it suitable for withstanding temperature fluctuations without compromising its structural integrity or performance.

Q: Can ductile iron pipes be used for geothermal heating and cooling systems?: Yes, ductile iron pipes can be used for geothermal heating and cooling systems. Ductile iron pipes are known for their strength and durability, making them suitable for underground applications like geothermal systems. They can withstand the high temperatures and pressure variations associated with geothermal heating and cooling, making them a reliable choice for this purpose.

Q: What is the typical diameter range of ductile iron pipes?: The typical diameter range of ductile iron pipes varies depending on the specific application and industry standards. Generally, ductile iron pipes come in a wide range of diameters to accommodate various needs. In water distribution systems, the typical diameter range can vary from as small as 3 inches (76 mm) to as large as 64 inches (1626 mm) or even larger. For sewer and wastewater systems, the typical diameter range is usually between 4 inches (102 mm) to 48 inches (1219 mm). However, it is important to note that these ranges are not exhaustive and there may be instances where ductile iron pipes are available in sizes outside of these common ranges. It is always advisable to consult industry standards and specific project requirements to determine the appropriate diameter range for ductile iron pipes.

Q: What are the different corrosion protection options for ductile iron pipe?: To ensure the longevity and durability of ductile iron pipes, there are several options available for corrosion protection. These options are as follows: 1. Cement Mortar Lining: A layer of cement mortar is applied to the inner surface of the pipe, creating a barrier against corrosive elements in water or soil. This lining offers excellent corrosion resistance and can endure for many decades. 2. Polyethylene Encasement: The ductile iron pipe is wrapped with a layer of polyethylene material, which acts as a physical shield against external corrosive elements. This method is commonly employed in aggressive soil conditions and provides long-lasting protection. 3. Internal and External Coatings: Different types of coatings, such as epoxy, polyurethane, or fusion-bonded epoxy (FBE) coatings, can be applied to the inner and outer surfaces of the pipe to resist corrosion. These coatings form a barrier that prevents the pipe from corroding in the surrounding environment. 4. Cathodic Protection: An electrical current is utilized to safeguard the pipe from corrosion. Cathodic protection systems can be either galvanic (sacrificial anode) or impressed current systems. These systems control the flow of electrons, preventing the oxidation of the ductile iron pipe. 5. Zinc Coating: Also known as galvanizing, this method involves applying a layer of zinc to the surface of the ductile iron pipe. Zinc acts as a sacrificial anode, corroding instead of the iron pipe. Zinc coating is particularly effective in soil conditions with low resistivity, offering reliable corrosion protection. It is crucial to consider various factors such as the environment, water chemistry, soil conditions, and expected service life when choosing a corrosion protection option for ductile iron pipes. Consulting with corrosion protection specialists and engineers can assist in selecting the most suitable option for specific applications.

Q: Can ductile iron pipes be used for cooling water systems?: Indeed, cooling water systems can utilize ductile iron pipes. Renowned for their resilience, robustness, and resistance to corrosion, ductile iron pipes are a fitting choice for various applications, including cooling water systems. With the ability to withstand high pressure and temperature fluctuations, these pipes excel in circulating and transporting cooling water. Moreover, their smooth interior surface mitigates friction, diminishing the likelihood of scaling or blockages and enabling the efficient flow of cooling water. Consequently, ductile iron pipes emerge as a dependable and efficient option for cooling water systems.

Q: What is the expected flow capacity of ductile iron pipes?: The expected flow capacity of ductile iron pipes can vary depending on several factors such as the diameter and wall thickness of the pipe, the type of fluid being transported, and the specific design and condition of the pipeline system. Generally, ductile iron pipes are known for their high flow capacity due to their smooth internal surface which minimizes frictional losses. They are designed to handle a wide range of fluid flows, including water, sewage, and industrial fluids. In terms of specific flow rates, it is common to refer to the Manning's equation, which is widely used to calculate the flow capacity of open channels and pipes. This equation takes into account the hydraulic radius, slope of the pipe, and Manning's roughness coefficient to determine the expected flow capacity. However, it is important to note that the actual flow capacity can also be influenced by other factors such as the presence of fittings, valves, and bends in the pipeline, as well as any potential blockages or obstructions. Therefore, it is recommended to consult the manufacturer's specifications, engineering guidelines, or work with a qualified engineer to accurately determine the expected flow capacity of ductile iron pipes for a particular application.

Q: Can ductile iron pipes be used for irrigation systems in agricultural fields?: Yes, ductile iron pipes can be used for irrigation systems in agricultural fields. Ductile iron is known for its durability, corrosion resistance, and ability to withstand high pressure, making it suitable for transporting water in agricultural irrigation systems.

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