Ductile Iron Cast Iron Pipe of China DN400-DN1000 EN545/EN598/ISO2531

Ductile Iron Cast Iron Pipe of China DN400-DN1000 EN545/EN598/ISO2531

Ref Price:: $470.00 - 510.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 50000 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.

4) Our products have been sold to many international market,such as Middle East and South East Asia and Africa.

2,Main Features of the Ductile Iron Pipe:

Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083

Standard: ISO 2531, EN545, EN598, ANSI, AWWA

Certificate: ISO9001, ISO14001, SGS, NSF, WRAS

Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test

Length: 6m or cut into 5.6m, 5.7m, 5.8m

Internal Lining: Cement, conform to ISO4179

External coating: Zinc + Bitumen, conform to ISO8179

Rubber: NBR, SBR, EPDM according to ISO4633 / EN681.1

Note: The gaskets, bolts & nuts are supplied respectively as your special requirement

3,Ductile Iron Pipe Images:

Ductile Iron Cast Iron Pipe of China DN6400

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.
Packing: In bulk vessel or in container

5.FAQ:

We have organized several common questions for our clients，may help you sincerely：

1.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.

2.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.

Q:Are ductile iron pipes resistant to hydrogen sulfide corrosion?: Generally, ductile iron pipes exhibit resistance to hydrogen sulfide corrosion. Ductile iron, a form of cast iron treated with magnesium, results in a material that is both flexible and durable. This treatment considerably improves its resistance to corrosion, including corrosion caused by hydrogen sulfide. The magnesium within the ductile iron creates a protective layer on the surface, preventing the infiltration of hydrogen sulfide and other corrosive substances. Nonetheless, it is important to acknowledge that the resistance of ductile iron pipes to hydrogen sulfide corrosion can still be affected by factors such as the concentration and duration of exposure to the corrosive environment. Hence, it is crucial to implement proper maintenance, regular inspection, and appropriate protective measures to ensure the long-term durability and performance of ductile iron pipes in the presence of hydrogen sulfide.

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:What are the different methods for tapping ductile iron pipe?: There are several methods for tapping ductile iron pipe, including hot tapping, mechanical tapping, and electrofusion tapping. Hot tapping involves drilling into the pipe while it is still in service and creating a connection without interrupting the flow. Mechanical tapping uses mechanical equipment to create a threaded or grooved connection on the pipe. Electrofusion tapping uses an electrofusion saddle to create a connection by fusing a fitting onto the pipe.

Q:Are there any alternatives to ductile iron pipe for water distribution?: There are various options available for water distribution besides ductile iron pipe. Some commonly used alternatives include: 1. PVC (Polyvinyl Chloride) Pipe: PVC pipe is frequently chosen for water distribution due to its affordability, durability, and resistance to corrosion. It is lightweight, easy to install, and requires minimal maintenance. 2. HDPE (High-Density Polyethylene) Pipe: HDPE pipe is a flexible and durable choice for water distribution. It is resistant to corrosion, chemicals, and UV rays, making it suitable for both aboveground and underground installations. HDPE pipe is also known for its leak-free joints and long lifespan. 3. PEX (Cross-linked Polyethylene) Pipe: PEX pipe, a flexible plastic pipe, is commonly utilized for water distribution in residential and commercial settings. It is recognized for its ability to withstand freezing, scaling, and corrosion. PEX pipe is easy to install, has fewer joints, and is highly durable. 4. Copper Pipe: Copper pipe has a long history of use in water distribution due to its exceptional resistance to corrosion and extended lifespan. Although it is more expensive than other alternatives, copper pipe is renowned for its reliability and ability to handle high pressure. 5. Steel Pipe: Steel pipe is a robust and durable option for water distribution, particularly in high-pressure scenarios. It can endure extreme temperatures and resist external loads. However, steel pipe is more costly and requires specialized installation techniques. When selecting an alternative to ductile iron pipe for water distribution, it is crucial to consider factors such as cost, durability, corrosion resistance, installation requirements, and specific project needs.

Q:Are ductile iron pipes suitable for trenchless pipe ramming installations?: Ductile iron pipes are indeed appropriate for trenchless pipe ramming installations. This material possesses remarkable strength and durability, enabling it to withstand the impact and stress encountered during the ramming process. Its exceptional tensile strength allows it to resist cracking or breaking when subjected to pressure. Moreover, ductile iron pipes are highly resistant to corrosion, rendering them ideal for underground installations. Furthermore, their smooth interior surface promotes fluid or gas flow. All in all, ductile iron pipes present a dependable and economical choice for trenchless pipe ramming installations.

Q:Can ductile iron pipe be used for sewer and wastewater systems?: Yes, ductile iron pipe can be used for sewer and wastewater systems. Ductile iron is a type of cast iron that has improved properties such as increased durability, strength, and flexibility. These qualities make it suitable for underground applications, including sewer and wastewater systems. Ductile iron pipes are resistant to corrosion and can withstand high-pressure conditions, making them ideal for conveying sewage and wastewater. Additionally, ductile iron pipes have a long service life and require minimal maintenance, which makes them a cost-effective choice for sewer and wastewater infrastructure.

Q:Can ductile iron pipe be used for water well applications?: Indeed, water well applications can utilize ductile iron pipe. Renowned for its robustness and durability, ductile iron pipe proves appropriate for a multitude of uses, notably water well systems. Its remarkable resistance to corrosion is paramount in water well applications, as it endures constant exposure to water and potential impurities. Moreover, ductile iron pipe exhibits the capacity to withstand substantial pressure and external loads, rendering it a dependable selection for water well systems necessitating a sturdy and enduring piping material.

Q:What if the ductile iron pipe is broken?: It is recommended that you used to repair defects of cast iron machine, are currently on the market to sell, but also can ensure welding intact appearance, make your products by quality, but if it is in the use of performance can not meet the effect, especially the pipeline pressure quite big, what methods are of no use that must be re cast as the new.

Q:What is the exterior anticorrosion of nodular cast iron pipes?: Spraying anti-corrosion paint, usually first spray a anticorrosive paint, and then primer 2, paint 2!

Q:Can ductile iron pipe be used for water supply to remote areas?: Ductile iron pipe is indeed applicable for providing water supply to far-flung regions. Its exceptional strength and durability render it suitable for transmitting water over long distances. These pipes can endure high pressure and withstand external loads and impacts, making them an ideal choice for rough terrains and remote locations that pose challenges in terms of maintenance and repairs. Moreover, ductile iron pipes are equipped with a protective lining that prevents corrosion and guarantees the safety of the water for consumption. Consequently, ductile iron pipes prove to be an effective and dependable option for water supply to remote areas.

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