DUCTILE IRON PIPES AND PIPE FITTINGS c CLASS DN800

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 pc

Supply Capability:: 30000 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 pipe be used for trenchless installation methods?: Yes, ductile iron pipe can be used for trenchless installation methods. Trenchless installation methods, such as horizontal directional drilling (HDD) or pipe bursting, are techniques used to install underground utilities with minimal excavation and disruption to the surrounding environment. Ductile iron pipe is well-suited for these methods due to its inherent strength, durability, and flexibility. It can withstand the forces and stress associated with trenchless installation, including the pulling forces during HDD or the bursting forces during pipe bursting. Additionally, ductile iron pipe's corrosion resistance makes it suitable for applications where the pipe is installed underground without the need for protective coatings. Therefore, ductile iron pipe is a reliable choice for trenchless installation methods.

Q:Can ductile iron pipes be used in areas with high soil settlement?: Yes, ductile iron pipes can be used in areas with high soil settlement. Ductile iron pipes have excellent strength and flexibility, which allows them to withstand the settlement and movement of the surrounding soil without causing significant damage or failure.

Q:What is the difference between ductile iron pipes and cast iron pipes?: Ductile iron pipes and cast iron pipes differ in terms of their composition and physical properties. Ductile iron pipes are made from ductile iron, which is a type of cast iron that contains nodular graphite in its microstructure, making it more flexible and resistant to cracking. On the other hand, cast iron pipes are made from gray cast iron, which has a gray, brittle structure due to the presence of graphite flakes. Ductile iron pipes are stronger, more durable, and less prone to damage, making them suitable for high-pressure applications and areas with heavy traffic loads. Cast iron pipes, although more brittle, are known for their corrosion resistance and are commonly used for water and sewage systems.

Q:How do ductile iron pipes handle water hammer?: Ductile iron pipes possess excellent resistance to water hammer, which is the sudden increase in pressure and velocity of water flow in a pipe system. This occurrence happens when there is an abrupt change in water velocity, like the sudden closure of a valve or the immediate shutdown of a pump. The design of ductile iron pipes enables them to withstand high-pressure surges caused by water hammer. Their increased strength and flexibility allow them to absorb and dissipate the energy generated during these pressure surges. The material's ductility permits the pipe to undergo slight deformation when impacted by water hammer, preventing the pipe from rupturing or breaking. Moreover, ductile iron pipes possess inherent damping properties that make them more effective at absorbing and dissipating the energy of water hammer compared to other pipe materials. This aids in reducing the intensity and duration of pressure surges, thereby minimizing potential damage to the pipe system and its components. Furthermore, ductile iron pipes often come equipped with various fittings and accessories that further enhance their capability to handle water hammer. These include specialized joint designs like restrained joints or flexible couplings, which provide additional flexibility and resistance to pressure surges. In summary, ductile iron pipes are specifically engineered to address the challenges presented by water hammer. Their strength, flexibility, damping properties, and specialized fittings make them an ideal choice for applications where water hammer is a concern, offering a reliable and durable solution for water distribution systems.

Q:How can the ductile iron pipe elbow be fixed?: The utility model relates to a groove connecting pipe which has the function of sealing and sealing, and mainly comprises three parts: a sealing rubber ring, a clamping band and a locking bolt. The inner rubber sealing ring is arranged on the outer side of the connecting pipe and is matched with the pre rolling groove, and then the outer ring is buckled on the rubber ring, and then can be fastened with two bolts. Because of the special sealing structure design of the rubber sealing ring and the clamp hoop, the groove connecting piece has good sealing property, and the sealing property is enhanced correspondingly with the increase of the fluid pressure in the pipe.

Q:What kind of valves are commonly used in ductile iron pipes?: Gate valve, butterfly valve, globe valve, check valve flange of various valves, (but the pipeline used for water supply and some limitations of the transport medium may be prescribed valve type) now due to material improvements in the technology, in most cases, smaller pipe diameter is also large diameter pipe outlet valve, butterfly valve, because of the pipeline the large diameter pressure in the pipeline and water than the small caliber to open and close the valve, to human hard, efficiency is not high, so for butterfly valve,

Q:Can ductile iron pipes be used for rainwater harvesting systems?: Yes, ductile iron pipes can be used for rainwater harvesting systems. Ductile iron pipes are known for their durability and strength, making them suitable for various applications, including rainwater collection and storage. They can effectively transport rainwater from collection points to storage tanks, ensuring a reliable and efficient rainwater harvesting system.

Q:Can ductile iron pipes be used for underground parking lot drainage?: Yes, ductile iron pipes can be used for underground parking lot drainage. Ductile iron pipes are highly durable, resistant to corrosion, and can withstand heavy loads, making them suitable for underground applications.

Q:Can ductile iron pipe be recycled?: Yes, ductile iron pipe can be recycled. It is a highly recyclable material that can be melted down and reused in the production of new ductile iron products. Recycling ductile iron pipe helps reduce waste and conserves natural resources.

Q:How are ductile iron pipes protected during transportation and storage?: Ductile iron pipes are protected during transportation and storage through various methods to ensure their integrity and prevent any potential damage. Firstly, these pipes are typically coated with a protective layer, such as epoxy or zinc, which acts as a barrier against corrosion. This coating helps to safeguard the pipes from moisture and other corrosive elements during transit and storage. Additionally, ductile iron pipes are often bundled together and secured with straps or bands to prevent any movement or shifting that could lead to mechanical damage. This bundling also makes it easier to handle and transport the pipes in a more organized manner. During transportation, the pipes are usually loaded onto pallets or placed in crates to provide added protection and stability. This helps to minimize the risk of any accidental impact or rough handling that could potentially cause cracks or fractures. Furthermore, proper labeling and marking of the pipes is essential to ensure that they are handled appropriately. This includes displaying handling instructions, weight limits, and pipe specifications, which helps prevent mishandling and damage during transportation. Moreover, storage conditions are crucial to maintaining the integrity of ductile iron pipes. They should be stored in a clean, dry, and well-ventilated area to prevent exposure to moisture and humidity. Pipes should be kept away from direct sunlight and extreme temperatures to avoid any potential degradation of the protective coating. In conclusion, protecting ductile iron pipes during transportation and storage involves applying protective coatings, bundling and securing them, utilizing appropriate packaging materials, ensuring proper handling and labeling, and storing them in suitable conditions. These measures aim to maintain the quality and structural integrity of the pipes, ensuring they arrive at their destination in optimal condition.

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