DUCTILE IRON PIPES & FITTINGS K7CLASS DN500

DUCTILE IRON PIPES & FITTINGS K7CLASS DN500

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 33 pc

Supply Capability:: 3000 pc/month

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Specifications

· 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 pipe be used for water treatment plant sludge handling?: Indeed, water treatment plant sludge handling can utilize ductile iron pipe. Renowned for its robustness and longevity, ductile iron pipe is well-suited for managing diverse fluid types, such as sludge. It possesses the ability to endure the corrosive characteristics of sludge and remains resistant to abrasion, a crucial aspect in any sludge handling system. Moreover, the smooth interior surface of ductile iron pipe aids in preventing obstructions and facilitates the smooth flow of sludge, resulting in enhanced efficiency. In conclusion, ductile iron pipe is an dependable option for water treatment plant sludge handling.

Q:Do ductile iron pipes require pressure testing before installation?: Before installation, it is necessary to conduct pressure testing on ductile iron pipes. This step is critical in guaranteeing the pipes' integrity and safety. Its purpose is to detect any leaks, weaknesses, or defects before the pipes are put into service. Pressure testing involves subjecting the pipes to higher-than-normal operating pressures to determine if they can endure the expected pressure without any failures. By doing so, this process prevents potential issues such as leaks, bursts, or failures that could result in water loss, property damage, or accidents. Hence, pressure testing is an indispensable requirement for ductile iron pipes to ensure their reliability and long-term performance.

Q:What are the advantages of using ductile iron pipe?: There are several advantages of using ductile iron pipe in various applications. Firstly, ductile iron pipe is known for its exceptional strength and durability. It has a higher tensile strength and yield strength than other types of pipes, making it resistant to cracking, bending, and breaking. This strength allows it to withstand high-pressure and heavy-load conditions, making it ideal for applications such as water and sewage systems, oil and gas pipelines, and industrial piping. Secondly, ductile iron pipe has excellent corrosion resistance. It is coated with a protective layer, usually zinc or epoxy, which prevents rusting and corrosion. This coating ensures a longer lifespan for the pipe, even in harsh environments or when transporting corrosive fluids. Another advantage of ductile iron pipe is its flexibility. Unlike rigid pipes, ductile iron pipes have a certain degree of flexibility, allowing them to withstand ground movement and settle without breaking. This flexibility is particularly beneficial in areas prone to earthquakes or soil settlements. Additionally, ductile iron pipe has a smooth inner surface, which helps to minimize flow resistance and improve the efficiency of fluid transportation. It also reduces the likelihood of sediment buildup or corrosion on the pipe's interior, resulting in improved flow rates and reduced maintenance. Furthermore, ductile iron pipe is cost-effective in the long run. Although it may have a higher initial cost compared to other types of pipes, its durability and low maintenance requirements make it a more cost-effective choice over time. The extended lifespan of ductile iron pipe reduces the need for frequent replacements and repairs, resulting in lower overall life-cycle costs. Lastly, ductile iron pipe is environmentally friendly. It is made from recycled materials, and its long lifespan reduces the need for frequent replacements, thus reducing the carbon footprint associated with manufacturing and transportation. In conclusion, the advantages of using ductile iron pipe include its exceptional strength, corrosion resistance, flexibility, smooth inner surface, cost-effectiveness, and environmental friendliness. These qualities make it a reliable and preferred choice for a wide range of applications in various industries.

Q:How are ductile iron pipes made?: The manufacturing of ductile iron pipes involves a specific process called centrifugal casting. In this process, molten iron is poured into a rotating mold, typically made of steel. The rotation of the mold creates centrifugal force, which evenly distributes the molten iron, resulting in high-quality pipes. To start the manufacturing process, a mixture of scrap iron, steel, and recycled material is melted at extremely high temperatures in a furnace. Once the molten iron reaches the desired temperature and consistency, it is ready to be cast into pipes. To prevent the molten iron from cooling too quickly, the rotating mold is preheated. This preheating also contributes to achieving a smooth surface finish on the pipes. The molten iron is then poured into the rotating mold through a central sprue. As the mold spins, centrifugal force forces the molten iron against the inner walls of the mold. This rapid solidification results in dense, strong, and corrosion-resistant pipes. The centrifugal force also helps remove impurities or slag from the inner surface of the pipe, further enhancing its quality. Once the casting process is complete, the mold is allowed to cool, and the pipe is removed. The pipes undergo various tests to ensure they meet the required quality standards. These tests include checking dimensions, mechanical properties, and surface finish. After passing the quality tests, ductile iron pipes are typically coated with a protective lining to prevent corrosion and extend their lifespan. The type of lining used, such as cement mortar, epoxy, or polyethylene, depends on the intended application of the pipes. In conclusion, the centrifugal casting process is utilized to manufacture ductile iron pipes. This process ensures the production of high-quality pipes that are strong, corrosion-resistant, and have a smooth surface finish.

Q:What is the expected pressure rating for ductile iron pipes?: The expected pressure rating for ductile iron pipes typically ranges from 150 to 350 psi.

Q:Ductile iron pipe length is generally much: The spheroidal graphite tube of hot film casting process is generally a single branch with a length of 8 meters. The ductile iron pipes produced by this process are usually large caliber pipes. For example, DN1000 or more.

Q:What are the different pressure ratings available for ductile iron pipe?: Ductile iron pipe is commonly used in various applications due to its strength, durability, and resistance to corrosion. The pressure ratings for ductile iron pipe depend on various factors such as the diameter and wall thickness of the pipe. Generally, ductile iron pipe is available in pressure ratings ranging from 150 psi (pounds per square inch) to 350 psi. For smaller diameter pipes, typically ranging from 3 inches to 24 inches, the pressure ratings commonly found are 150 psi, 200 psi, and 250 psi. These pressure ratings are suitable for a wide range of applications such as water distribution systems, sewer lines, and industrial piping. For larger diameter pipes, typically ranging from 30 inches to 64 inches, the pressure ratings available are usually 150 psi, 200 psi, 250 psi, and 350 psi. These higher pressure ratings are often required for transporting larger volumes of water or other fluids over longer distances. It is important to note that the pressure ratings for ductile iron pipe are determined based on industry standards and guidelines. These standards ensure that the pipe can safely handle the internal pressure and external loads it may encounter during operation. When selecting the appropriate pressure rating for ductile iron pipe, it is crucial to consider factors such as the specific application, flow rates, and the expected operating conditions. Consulting with industry professionals and adhering to local codes and regulations is essential to ensure the proper selection and installation of ductile iron pipe for a specific project.

Q:How are ductile iron pipes different from cast iron pipes?: Ductile iron pipes are different from cast iron pipes in terms of their composition and properties. Ductile iron pipes are made from a type of cast iron that has been treated with magnesium to improve its strength and flexibility. This makes ductile iron pipes more durable, impact-resistant, and less prone to cracking or breaking compared to traditional cast iron pipes. Additionally, ductile iron pipes have a higher tensile strength, allowing them to withstand higher internal and external pressures. In summary, ductile iron pipes are a more modern and advanced version of cast iron pipes, offering improved performance and longevity.

Q:What are the specifications for the installation of water ball iron pipes?: The T type interface pipe shall be supported by a pier in the vertical or horizontal direction. The size of the pier should be calculated according to the factors such as pipe diameter, angle of rotation and working pressure. 4, the transmission of drinking water, the pipeline should not pass through the poison contaminated areas, such as the need to pass through, should take protective measures.

Q:Does the cast iron have size 250? What's the performance?: Ductile iron does not have size 250. Ductile iron is the beginning of QT, QT400-15, QT450-10, QT500-7 is the general use of nodular cast iron brand. Nodular cast iron welding can be determined, this should be in some high strength cast iron equipment used more, the tensile strength of normally ductile cast iron welding in welding is higher, is worse than the grey cast iron, it is actually very difficult to distinguish with the naked eye is ductile iron or cast iron the iron in the repair equipment, we usually use WE777 special cast iron electrode universal wide welding, but it is only for maintenance use, the effect is really good, reducing the risk of cracking and high strength welding rod matching to ensure the strength of welding seam.

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