DUCTILE IRON PIPES AND PIPE FITTINGS C25 CLASS DN900

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/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 irrigation systems in saline soil conditions?: Ductile iron pipes, due to their durability and corrosion resistance, can be utilized for irrigation systems in saline soil conditions. These pipes are renowned for their ability to withstand various soil conditions, including saline soil, which is characterized by elevated salt levels that can lead to corrosion and material deterioration. However, ductile iron pipes possess a protective coating, such as cement mortar lining or polyethylene encasement, that provides an added layer of defense against corrosion. Consequently, they can endure the corrosive impacts of saline soil and maintain their structural integrity for an extended duration. Moreover, ductile iron pipes exhibit a high tensile strength, enabling them to resist cracks and breaks, which is crucial for irrigation systems necessitating a consistent and dependable water supply. Consequently, ductile iron pipes represent a viable option for irrigation systems operating in saline soil conditions.

Q: How are ductile iron pipes protected against external soil loads?: Several methods are employed to protect ductile iron pipes from external soil loads. An important approach involves applying a protective coating to the exterior surface of the pipe, which acts as a barrier between the iron and the surrounding soil. This coating effectively prevents direct contact and reduces the risk of corrosion. Another means of safeguarding the pipes is by utilizing carefully selected trench backfill materials. These materials are compacted and chosen with great care to provide adequate support and distribute the load evenly on the pipe. By doing so, the stress and pressure exerted by the surrounding soil are minimized. Moreover, the design and installation of the pipe system play a crucial role in protecting against external soil loads. Typically, the pipes are laid in a meticulously engineered trench that incorporates appropriate bedding and backfilling techniques. This ensures stability and minimizes the potential for damage. Additionally, proper pipe jointing techniques are essential for protection against external soil loads. The joints are often designed to be flexible, allowing for some movement and accommodating external loads. This distributes stress along the length of the pipe and prevents concentrated pressure points that could lead to failure. In conclusion, the effective protection of ductile iron pipes against external soil loads is achieved through a combination of protective coatings, appropriate backfill materials, proper installation techniques, and joint design. This guarantees the durability and reliability of the pipe system, even in challenging soil conditions.

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: Can ductile iron pipes be used for irrigation of sports fields?: Indeed, ductile iron pipes are suitable for the irrigation of sports fields. Renowned for their robustness, longevity, and flexibility, these pipes are an excellent choice for a range of applications, including irrigation. With their ability to withstand external pressures and impacts, ductile iron pipes are particularly advantageous for sports fields that encounter heavy foot traffic and potential damage. Moreover, these pipes exhibit exceptional resistance to corrosion, guaranteeing enduring performance and minimal upkeep. The pipes' smooth interior surface also facilitates efficient water flow, preventing obstructions and ensuring adequate irrigation for the sports fields. All in all, ductile iron pipes represent a dependable and appropriate option for irrigation systems in sports fields.

Q: What is the expected external coating for ductile iron pipes?: The expected external coating for ductile iron pipes is typically a protective layer that is applied to the exterior surface of the pipe to prevent corrosion and extend its lifespan. Some common types of external coatings for ductile iron pipes include polyethylene, polyurethane, and epoxy coatings. These coatings provide a barrier between the pipe and the surrounding environment, preventing the pipe from coming into contact with corrosive substances such as soil, water, and chemicals. The choice of coating depends on factors such as the intended application, soil conditions, and the level of corrosion protection required. Overall, the expected external coating for ductile iron pipes is designed to ensure the longevity and durability of the pipes in various environmental conditions.

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 various factors such as the diameter and thickness of the pipe, the type of joint used, and the specific manufacturer's specifications. However, ductile iron pipes are generally designed to withstand surge pressures between 150% to 200% of their working pressure rating. This means that if a ductile iron pipe has a working pressure rating of, for example, 250 psi, it can typically handle surge pressures of up to 375 psi to 500 psi. It is important to consult the manufacturer's specifications and guidelines for accurate surge pressure ratings specific to the ductile iron pipes being used.

Q: Are ductile iron pipes suitable for deep burial installations?: Indeed, deep burial installations can accommodate ductile iron pipes. These pipes possess remarkable strength and endurance, rendering them highly suitable for subterranean purposes. They possess the ability to withstand the immense pressure exerted by soil as well as any external forces that may arise. Moreover, ductile iron pipes exhibit exceptional resistance to corrosion, a vital characteristic for ensuring long-lasting performance in buried settings. Furthermore, their flexibility enables them to endure ground movements and settle without fracturing. All in all, ductile iron pipes represent a dependable and economically efficient option for deep burial installations.

Q: What is the expected abrasion resistance of ductile iron pipes?: The expected abrasion resistance of ductile iron pipes is generally high, as they are known for their durability and ability to withstand wear and tear caused by abrasion over an extended period of time.

Q: What is the cost of ductile iron pipe compared to other pipe materials?: The cost of ductile iron pipe is generally higher compared to other pipe materials such as PVC or steel due to its superior durability and strength.

Q: What is the expected corrosion rate of ductile iron pipes?: Several factors can influence the expected corrosion rate of ductile iron pipes, including the specific environment in which they are installed, the pH and composition of the water or soil they come into contact with, and the presence of any corrosive substances or chemicals. Compared to materials like cast iron or steel, ductile iron pipes are well-known for their excellent resistance to corrosion. This is because they naturally develop a protective layer called a passive film on their surface when exposed to oxygen in the environment. This passive film acts as a barrier, preventing further corrosion. However, it is important to acknowledge that even ductile iron pipes can experience some degree of corrosion over time, especially in aggressive or highly corrosive environments. The expected corrosion rate can vary from very low to moderate, depending on the aforementioned factors. To ensure the durability and performance of ductile iron pipes, it is advisable to follow proper maintenance and monitoring practices. This includes regular inspections, cleaning, and the application of protective coatings or linings when necessary. Furthermore, implementing a cathodic protection system can further enhance the pipes' corrosion resistance. Ultimately, consulting experts and professionals in the field of corrosion and pipe materials is crucial for accurately determining the expected corrosion rate of ductile iron pipes in a specific application or environment.

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