Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm PN 40

Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm PN 40 System 1

Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm PN 40

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m

Supply Capability:: 100000 m/month

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Specification:

1. size : DN80-DN2000 available with PN16 or PN10 or PN25 flanges

2.Standard : ISO2531/EN545/EN598/AWWA standard

3. WRAS Potable Water FBE Internal Lining

4.Material : Ductile iron

5.Technical: Casting

6. Type: Socket / flange PN10 / PN16 / PN25

7. Length=6m, 5.8m

8. Coating: Fusion bonded epoxy to 300 microns Dry Film Thickness

Portland cement lining internally and zinc-rich paint with not less than 70 microns bitumen externally

Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm PN 40

Quality:

ISO 2531 or EN 545 Standard K9 Class, K12 Class

1. ISO 9001 Certificate

2. ISO 2531 & EN 545 Certificate

3. WRAS Potable Water Certificate for FBE Internal Lining

4. WRAS EPDM Rubber Gasket or NBR Rubber Gasket

5. DN80mm - DN2000mm

6. Black Bitumen or Blue FBE / Epoxy Coating

7. Lengh = 6m or cut into 5.6m, 5.7m, 5.8m

8. Client's Brand Customization Allowable

9. Container or Bulk Loading / Shipping

10.Delivery within one Month or According to Client's Order Quantity

11. Support Client or The Third Party Inspection before Shipment

Standard Lining and Coating:

Transport:

Q:How are ductile iron pipes protected from external damage?: Ductile iron pipes are protected from external damage through the application of protective coatings. These coatings act as a barrier, shielding the pipes from corrosion and other forms of external damage. Additionally, the pipes may be encased in concrete or installed in a casing pipe to provide further protection against external forces and impacts.

Q:What's the function of the cement mortar lining of ductile iron pipes?: In brief, the cement mortar lining system has the following advantages:1. provide active protection better than barrier coating2. meet both national and international standards for contact with potable water3. can be used in the strict requirements of the occasion4. strong and shock resistant5. suitable for a wide range of applications6. easy to repair7. over 100 years of service life

Q:How are ductile iron pipes protected against external corrosion?: Ductile iron pipes are protected against external corrosion through the application of protective coatings such as polyethylene, epoxy, or zinc. These coatings act as a barrier between the pipe and the surrounding environment, preventing contact with corrosive elements such as water, soil, or chemicals. Additionally, cathodic protection techniques, such as sacrificial anodes or impressed current systems, may also be employed to further enhance the corrosion resistance of ductile iron pipes.

Q:Can ductile iron pipes be used for railway crossings?: Yes, ductile iron pipes can be used for railway crossings. Ductile iron is a strong and durable material that can withstand heavy loads and high traffic volumes, making it suitable for railway crossings. Additionally, it has excellent corrosion resistance properties, which is important for withstanding the harsh environmental conditions associated with railway crossings.

Q:What are the different methods for testing ductile iron pipe?: There are several methods for testing ductile iron pipe, including visual inspection, hydrostatic pressure testing, ultrasonic testing, magnetic particle inspection, and mechanical testing.

Q:Can ductile iron pipe be used for water distribution systems in cold climates?: Yes, ductile iron pipe can be used for water distribution systems in cold climates. Ductile iron has excellent resistance to freezing and can withstand extreme cold temperatures without becoming brittle or cracking, making it a suitable choice for water distribution systems in cold climates.

Q:How are ductile iron pipes protected against internal scaling or buildup?: Various methods are utilized to protect ductile iron pipes against internal scaling or buildup. One widely employed technique involves applying a cement mortar lining to the inner surface of the pipes. This lining serves as a protective barrier, preventing the formation of scale or buildup and facilitating the smooth flow of water or other fluids. Moreover, an additional layer of polyethylene or other appropriate materials can be coated onto the pipes to provide an extra level of protection against scaling or buildup. This coating acts as a barrier between the water and the iron surface, thereby reducing the likelihood of corrosion or scale formation. Regular maintenance and cleaning play a crucial role in preventing internal scaling or buildup in ductile iron pipes. By flushing the pipes with high-pressure water or employing chemical treatments, any accumulated scale or debris can be effectively removed, ensuring the pipes remain clean and fully functional. Furthermore, proper water treatment is essential in minimizing the risk of scaling or buildup. By implementing suitable water treatment processes, such as pH adjustment or the use of corrosion inhibitors, the quality of the water can be maintained, preventing the formation of scale or buildup inside the pipes. In conclusion, various measures, including cement mortar lining, pipe coating, regular maintenance, cleaning, and proper water treatment, are employed to protect ductile iron pipes against internal scaling or buildup. These measures ensure the longevity and efficiency of the pipes, minimizing the chances of clogging or reduced flow capacity.

Q:What are some common applications for ductile iron pipe?: Ductile iron pipe is commonly used in various applications including water and wastewater systems, underground drainage systems, oil and gas pipelines, industrial piping systems, and fire protection systems. Its strength, durability, and resistance to corrosion make it suitable for these applications, ensuring reliable and long-lasting performance.

Q:How do ductile iron pipes compare to PVC pipes in terms of strength?: PVC pipes are generally considered to be less strong than ductile iron pipes. Ductile iron, a type of cast iron, is strengthened and made more flexible through the addition of small amounts of magnesium. This treatment enhances its resistance to cracking and breaking under pressure, making it suitable for various applications including water and wastewater transportation. In contrast, PVC pipes are made from a plastic known as polyvinyl chloride. While PVC pipes are relatively durable, they do not possess the same level of strength as ductile iron pipes. They are more susceptible to cracking and breaking when subjected to high pressure or extreme temperature changes. PVC pipes are commonly utilized in low-pressure systems such as irrigation and drainage. In terms of strength, ductile iron pipes exhibit greater tensile strength and can endure higher internal and external pressures compared to PVC pipes. Additionally, ductile iron pipes have a higher resistance to impacts, reducing the likelihood of damage from external forces like heavy machinery or accidental impacts. However, it is important to consider specific project requirements when choosing between ductile iron and PVC pipes. Factors such as cost, ease of installation, corrosion resistance, and the nature of the fluid being transported should all be taken into account.

Q:What are the common methods for flow control in ductile iron pipes?: Ductile iron pipes offer various options for flow control. Among them, valves are commonly used. Valves enable the regulation of water or other fluids flowing through the pipes. They can be either manually operated or automated, depending on the system's specific needs. Flow restrictors or flow limiters represent another method for controlling flow in ductile iron pipes. These devices are installed in the pipes to reduce the flow rate and ensure that the system operates within its intended parameters. Flow restrictors are particularly beneficial in situations where flow control is necessary to prevent damage or optimize system efficiency. Pressure regulators also contribute to flow control in ductile iron pipes. By maintaining a specific pressure level within the system, these devices help prevent excessive pressure that can lead to pipe bursts or other forms of damage. Furthermore, pressure regulators aid in maintaining a consistent pressure throughout the system, ensuring predictable and controlled flow. Flow meters provide yet another means of achieving flow control. These devices are installed in the pipes to measure the rate at which fluid passes through them. By monitoring the flow rate, operators can adjust valves or other flow control devices to maintain flow within the desired range. Flow meters are especially valuable in applications where accurate flow measurement is critical, such as industrial processes or water distribution systems. In conclusion, flow control in ductile iron pipes can be achieved through the use of valves, flow restrictors, pressure regulators, and flow meters. These methods can be combined or used individually, depending on the specific requirements of the system.

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