Ductile Iron Pipe ISO2531and EN545 Standards

Ductile Iron Pipe ISO2531and EN545 Standards

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 1000 m

Supply Capability:: 300000 m/month

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1. Ductile Iron Pipe Description :

1	Type:	The T-type Joint Pipe (Push-on)
		The K-type Joint Pipe
		The Self-Restrained Joint Pipes
2	Standard:	ISO2531, EN545, EN598, etc
3	Size:	DN80~2600mm
4	Material:	Ductile Cast Iron GGG50
5	Pressure:	PN10, PN16, PN25,PN40
6	Class:	K9, K8, C25, C30, C40
7	Length:	6m, cut to 5.7m
8	Application:	Water supply project, drainage, sewage, irrigation, water pipeline.
9	Certificate:	ISO9001, BV, WRAS, SGS
10	Internal Coating:	a). Portland cement mortar lining
		b). Sulphate Resistant cement mortar lining
		c). High-Aluminum cement mortar lining
		d). Fusion bonded epoxy coating
		e). Liquid epoxy painting
		f). Black bitumen painting
11	External Coating:	a). zinc+bitumen(70microns) painting
		b). Fusion bonded epoxy coating
		c). Zinc-aluminum alloy +liquid epoxy painting
12	Packing:	Bundles, in bulk
Note: The coating can also be accordance with customers' requirements.

2. Ductile Iron Pipe Main Features:

- For potable water supply
- High strength
- Long lifespan
- Good corrosion resistance
- Easy installation

3.Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531and EN545 Standards

4.Ductile Iron Pipe Specification:

1.Standard:ISO2531,EN545,EN598
2.Effective Length:6m/5.7m
3.Internal Lining :Cement mortar, Cement mortar Plus Epoxy
4.External coating:Zinc Primer Plus Bitumen or PE
5. Shipment: By bulk ship or 20'/40' container
6. Rubber: NBR, SBR, EPDM according to ISO4633/EN681.1
7.Quick Delivery

5.FAQ:

Here some questions always been asked

1.For Price CIF CFR FOB CPT and so on both ok for us

2.For Delivery we must try us best to send goods to you asap

3.For Package all standard seaworthy package

4.For Payment, T/T L/C which convenience for you will be ok

Q: Can ductile iron pipe be used for hot water applications?: Yes, ductile iron pipe can be used for hot water applications. It has excellent heat resistance and can withstand high temperatures, making it suitable for conveying hot water in various plumbing systems.

Q: How does ductile iron pipe perform in areas with high soil contamination?: Due to its inherent strength, durability, and corrosion resistance properties, ductile iron pipe is highly effective in areas with high soil contamination. The material used in manufacturing these pipes is highly resistant to chemical attack, making it suitable for handling various types of contaminated soils, including those with high levels of acids, alkalis, and other corrosive substances. The corrosion resistance of ductile iron pipes is primarily due to their protective internal and external linings. These linings are designed to prevent contact between the pipe material and the surrounding soil or fluids, acting as a barrier that prevents the penetration of corrosive elements and reduces the risk of pipe degradation or failure. Additionally, external coatings or cathodic protection systems can further enhance the resistance of ductile iron pipes to soil contamination, extending their service life. Compared to materials such as steel or concrete, ductile iron pipes offer significant advantages in areas with high soil contamination. Their high strength enables them to withstand external loads imposed by the contaminated soil, reducing the risk of structural failure or deformation. Furthermore, the inherent flexibility of ductile iron allows it to absorb ground movements or settlement without compromising its integrity, making it a reliable choice for areas prone to soil instability or shifting. Moreover, the smooth internal surface of ductile iron pipes minimizes friction and maintains efficient flow rates, even in the presence of contaminants. This is particularly important in areas with high soil contamination, where debris or sedimentation can accumulate and hinder fluid flow. The smooth bore of ductile iron pipes reduces the risk of clogging and ensures the continuous and reliable conveyance of fluids, even in challenging soil conditions. In conclusion, ductile iron pipe is an excellent choice for areas with high soil contamination. Its exceptional corrosion resistance, strength, flexibility, and smooth internal surface make it a reliable and durable solution for conveying fluids in these challenging environments.

Q: Can ductile iron pipes be used in areas with high soil salinity?: Indeed, areas with high soil salinity can accommodate the use of ductile iron pipes. These pipes possess notable resistance to corrosion, rendering them compatible with different soil conditions, even those with elevated salinity levels. Usually, these pipes are coated with a safeguarding layer, such as polyethylene or zinc, which bolsters their capacity to ward off corrosion caused by saltwater or saline soils. Furthermore, employing appropriate installation methods, such as meticulous backfilling and soil compaction around the pipes, can effectively mitigate the potential consequences of high soil salinity on the durability and effectiveness of ductile iron pipes.

Q: What are the different types of restrained joints for ductile iron pipe?: There are several different types of restrained joints for ductile iron pipe. These joints are designed to prevent pipe separation or movement due to internal pressure, external forces, or ground movement. Some of the commonly used restrained joints for ductile iron pipe include: 1. Mechanical Restrained Joint: This type of joint uses mechanical devices such as bolts, nuts, and gaskets to hold the pipe in place. The joint is typically made up of a gland, a gland follower, and a restraint ring. The gland and gland follower compress the gasket against the pipe, while the restraint ring provides additional support and resistance against movement. 2. Push-on Restrained Joint: This joint utilizes a rubber gasket that is compressed when the two pipe ends are pushed together. The gasket provides a tight seal and also acts as a restraint against movement. Some push-on restrained joints also include additional mechanical devices to enhance the restraint capability. 3. Restrained Flange Joint: This type of joint combines the features of a flanged joint and a restrained joint. It consists of a flanged pipe end that is bolted to a flange on another pipe or fitting. The bolts and nuts provide the mechanical restraint, while the flange connection ensures a secure and leak-free joint. 4. Restrained Coupling Joint: This joint is a variation of the mechanical restrained joint. It utilizes a coupling that is bolted or clamped around the pipe ends, providing the necessary restraint. The coupling may also have a gasket to ensure a tight seal. 5. Restrained Socket Joint: This joint is similar to the push-on restrained joint, but it includes additional mechanical devices to enhance the restraint capability. The socket end of the pipe is typically designed to receive a pipe spigot, which is then secured using bolts, clamps, or other mechanical devices. These different types of restrained joints for ductile iron pipe offer varying levels of restraint and are selected based on the specific requirements of the application. They ensure the integrity and stability of the pipeline system, reducing the risk of leaks, pipe separation, or movement.

Q: How does ductile iron pipe perform in areas with high groundwater salinity?: Ductile iron pipe performs well in areas with high groundwater salinity due to its inherent corrosion resistance properties. The high levels of salinity in the groundwater can cause corrosion and deterioration of certain materials, but ductile iron is highly resistant to this type of corrosion. Its composition and manufacturing process make it less susceptible to damage from corrosive elements, such as salt and minerals present in high salinity water. The corrosion resistance of ductile iron pipe is primarily attributed to its protective iron oxide coating, which forms naturally on the interior and exterior surfaces of the pipe. This coating acts as a barrier, preventing direct contact between the pipe and the corrosive elements in the groundwater. Additionally, ductile iron pipes are often lined with cement mortar or a protective epoxy coating, which further enhances their resistance to corrosion and provides an additional layer of protection. Furthermore, ductile iron pipe has a long lifespan, often exceeding 100 years, which makes it ideal for areas with high groundwater salinity. Its durability and resistance to corrosion ensure that it can withstand the harsh conditions associated with high salinity environments, minimizing the need for frequent repairs or replacements. In summary, ductile iron pipe is an excellent choice for areas with high groundwater salinity due to its corrosion resistance properties. Its protective iron oxide coating, coupled with optional linings, provides a reliable and long-lasting solution, ensuring the integrity and performance of the pipe system even in challenging environments.

Q: Are ductile iron pipes resistant to chloride-induced corrosion?: Yes, ductile iron pipes are generally resistant to chloride-induced corrosion due to their protective coating and inherent chemical composition. However, the level of resistance may vary depending on the specific environment and concentration of chlorides present. Proper maintenance and regular inspections are still important to ensure long-term durability and prevent any potential corrosion issues.

Q: What are the different types of joints used in ductile iron pipes?: There are several types of joints commonly used in ductile iron pipes. These joints are designed to provide a secure and leak-proof connection between pipe sections. Here are some of the most commonly used joint types: 1. Push-on joint: This type of joint is easy to install and requires no special tools. It involves lubricating the gasket on one end of the pipe and pushing it into the socket of the adjoining pipe. The gasket creates a tight seal that prevents leakage. 2. Mechanical joint: This joint type consists of a gland and a follower gasket. The gland is placed over the spigot end of one pipe, and the follower gasket is inserted into the bell end of the adjoining pipe. The gland is then tightened with bolts and nuts, compressing the gasket to form a secure joint. 3. Restrained joint: This joint is used in applications where pipes need to be restrained against axial movement or pressure thrust. It typically involves a mechanical joint with additional components such as tie rods, thrust blocks, or restrained couplings to provide the necessary restraint. 4. Flanged joint: Flanged joints are commonly used in large diameter ductile iron pipes. They involve a flange on one pipe end and a mating flange on the other pipe end. The two flanges are bolted together, creating a strong and secure connection. Flanged joints allow for easy disassembly and reassembly if needed. 5. Welded joint: Welded joints are created by fusing the ends of two pipes together using heat and pressure. This type of joint provides a permanent and strong connection. Welded joints are commonly used in underground or buried applications where long-term durability is essential. It is important to note that the choice of joint type depends on factors such as pipe diameter, application, and project requirements. Consulting with a professional engineer or the manufacturer's guidelines is recommended to ensure the appropriate joint type is selected for ductile iron pipes.

Q: How do ductile iron pipes perform in high-velocity water flow conditions?: Ductile iron pipes perform exceptionally well in high-velocity water flow conditions. Due to their unique composition and manufacturing process, ductile iron pipes exhibit superior strength and durability, making them highly resistant to the forces generated by high-velocity water flow. These pipes are specifically designed to withstand significant hydraulic pressure and turbulent conditions. Their inherent ductility allows them to absorb the energy of the flowing water and effectively dissipate any potential stress or impact that may occur. Additionally, the smooth internal surface of ductile iron pipes minimizes frictional losses, enabling efficient water flow even at high velocities. This characteristic is crucial in maintaining the required water pressure and flow rates in applications such as water distribution systems, sewage networks, and industrial processes. Moreover, the corrosion resistance of ductile iron pipes further enhances their performance in high-velocity water flow conditions. These pipes are typically lined with cement mortar or polyethylene, which provides an additional layer of protection against the corrosive effects of fast-flowing water. Overall, ductile iron pipes are well-suited for high-velocity water flow conditions, offering exceptional strength, durability, and hydraulic efficiency. Their ability to withstand the challenges posed by fast-flowing water makes them a reliable choice for a wide range of applications where high water velocity is a concern.

Q: Which is good for water polo cast iron pipe steel pipe?: In summary, if the demand is not high, the use of stable environment, pressure and vibration is not a place recommend the use of ductile iron pipe; if is an important facility for high requirements or site conditions, abnormal conditions, vibration and impact may be relatively large, with ordinary seamless steel tube.

Q: Usage of ductile iron pipe expander: Ductile iron expansion is mainly provided with large flexible, easy installation, the product main material for nodular cast iron, nodular cast iron is mainly through spheroidization and inoculation by spherical graphite, effectively improve the mechanical properties of cast iron, especially the plasticity and toughness increased, resulting in higher than the strength of carbon steel. The material mainly has high strength of plasticity and toughness, and its development at home and abroad is very fast, the output has exceeded cast steel and malleable cast iron, become second only to gray cast iron casting alloy material. Spheroidal graphite is obtained by spheroidizing and inoculation of nodular cast iron. It can effectively improve the mechanical properties of cast iron, especially improve the plasticity and toughness, so as to obtain higher strength than carbon steel.

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