Ductile Iron Pipe and Fitting DN100-800 Class30 EN545

Ductile Iron Pipe and Fitting DN100-800 Class30 EN545

Ref Price:: $513.00 - 635.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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1,Ductile Iron Pipe Description :
1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
3) we can do third party inspection according to customer's request.
2,Main Features of the Ductile Iron Pipe:
1. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
6. Internal Lining: Cement, conform to ISO4179
7. Rubber: NBR, SBR, EPDM according to ISO4633 / EN681.1
3,Ductile Iron Pipe Images:

Ductile Iron Pipe and Fitting DN100-800 Class

4.Ductile Iron Pipe Specification:
Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
5.FAQ:
We have organized several common questions for our clients，may help you sincerely：
1.Q:Why can you guarantee the inner of pipes can’t be corroded?
A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

2.Q: Why would you choose ductile iron pipe rather than other pipe materials?
A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

Q:Can ductile iron pipes be used in areas with high temperature variations?: Ductile iron pipes are capable of being used in regions experiencing significant temperature fluctuations. These pipes possess exceptional thermal conductivity and can endure a wide range of temperature changes while maintaining their structural integrity. Their high coefficient of linear expansion enables them to adapt to temperature alterations without imposing substantial stress on the pipes. Consequently, ductile iron pipes are suitable for deployment in locales where extreme temperature variations, such as scorching summers and freezing winters, occur. Furthermore, these pipes exhibit remarkable resistance to thermal shock, enabling them to withstand abrupt temperature shifts without suffering cracks or breakages. In conclusion, ductile iron pipes are a dependable and long-lasting option for areas characterized by substantial temperature variations.

Q:Do ductile iron pipes require internal linings or coatings?: Ductile iron pipes do not typically require internal linings or coatings. Ductile iron is known for its inherent corrosion resistance, which is primarily due to its composition and microstructure. The iron in ductile iron pipes is treated with magnesium, resulting in the formation of graphite nodules that give the material its ductile properties. This microstructure also provides a protective layer on the surface of the pipe, which helps to prevent corrosion. Additionally, ductile iron pipes have been used for several decades without the need for internal linings or coatings, proving their durability and resistance to corrosion. The smooth interior surface of ductile iron pipes also helps to minimize friction and maintain efficient flow rates. However, in certain cases where the conveyed fluid is highly corrosive or abrasive, or if the water quality is aggressive, internal linings or coatings may be recommended. These linings or coatings can be applied to protect the pipe from chemical attack or to prevent the leaching of iron into the water supply. Ultimately, the decision to use internal linings or coatings on ductile iron pipes depends on various factors such as the specific application, water quality, and local regulations. Consulting with professionals in the field, such as engineers or pipe manufacturers, can provide more tailored advice for specific scenarios.

Q:What are the different types of restrained joints for ductile iron pipe?: Ductile iron pipe has several types of restrained joints available to prevent pipe separation or movement caused by internal pressure, external forces, or ground movement. The commonly used restrained joints for ductile iron pipe are as follows: 1. Mechanical Restrained Joint: This joint employs mechanical devices like bolts, nuts, and gaskets to secure the pipe. It typically consists 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 uses a rubber gasket that compresses when the two pipe ends are pushed together. The gasket not only provides a tight seal but also acts as a restraint against movement. Some push-on restrained joints may include additional mechanical devices to enhance the restraining capability. 3. Restrained Flange Joint: This joint combines the characteristics of a flanged joint and a restrained joint. It involves a flanged pipe end that is bolted to a flange on another pipe or fitting. The bolts and nuts offer 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 either bolted or clamped around the pipe ends to provide 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 incorporates additional mechanical devices to enhance the restraining 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 diverse types of restrained joints for ductile iron pipe offer different levels of restraint and are chosen based on the specific requirements of the application. They guarantee the stability and integrity of the pipeline system, minimizing the risk of leaks, pipe separation, or movement.

Q:What is cast iron pipe?: According to its manufacturing methods can be divided into: sand, centrifugal pipe, straight pipe, continuous cast iron pipe and sand pipe.According to the material used, it can be divided into gray iron pipe, nodular cast iron pipe and high silicon iron pipe.

Q:Can ductile iron pipes be used for underground cooling water systems?: Yes, ductile iron pipes can be used for underground cooling water systems. Ductile iron is known for its strength, durability, and corrosion resistance, making it suitable for various applications, including underground installations. It can withstand the pressure and temperature requirements of cooling water systems, providing a reliable and long-lasting solution.

Q:Can ductile iron pipes be used in areas with high soil erosion?: Yes, ductile iron pipes can be used in areas with high soil erosion. Ductile iron is known for its high tensile strength and durability, making it resistant to external forces such as soil erosion. It is a suitable choice for underground piping systems in such areas, providing long-term reliability and stability.

Q:Qianwei County ductile iron pipe which tool to use cutting convenience?: Cutting method for cutting ductile iron pipes, in order to obtain neat kerf, we should start with a direction of play saw saw to end. If the requirement of the section is not high, the direction of sawing can be changed gradually to reduce the resistance and facilitate cutting in.

Q:What are the different joint types available for ductile iron pipes?: The different joint types available for ductile iron pipes include push-on joint, mechanical joint, flanged joint, restrained joint, and grooved joint.

Q:Do ductile iron pipes require external protection against stray electrical currents?: Yes, ductile iron pipes do require external protection against stray electrical currents. This is necessary to prevent corrosion and ensure the longevity of the pipes.

Q:How does ductile iron pipe handle soil movement?: Ductile iron pipe is known for its excellent strength and durability, making it highly capable of handling soil movement. When the soil around the pipe shifts or settles, ductile iron pipes have the ability to flex and accommodate such movement without compromising their structural integrity. One of the key features that allows ductile iron pipes to handle soil movement is their inherent ability to withstand bending and stretching. They possess a high degree of flexibility, allowing them to adjust to ground shifts and settle without breaking or cracking. This flexibility is due to the unique material properties of ductile iron, which is a type of cast iron that has been treated with magnesium to enhance its strength and elasticity. Moreover, ductile iron pipes are designed with a thick-walled construction, which adds to their resistance against soil movement. This robust construction helps distribute the forces exerted by the shifting soil, minimizing the impact on the pipe and preventing any significant damage. In addition, ductile iron pipes are usually installed with appropriate bedding and backfill materials to provide additional support and stability. This includes using compacted soil or engineered granular materials around the pipe, which helps to evenly distribute the load and reduce the potential for soil movement. Overall, ductile iron pipe is an ideal choice for areas with high soil movement, such as regions with expansive or unstable soils. Its flexibility, strength, and proper installation techniques make it capable of handling the challenges posed by soil movement, ensuring long-lasting and reliable performance in various applications.

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