Ductile Iron Pipe of China DN250 EN545/EN598/ISO2531 High Quality

Ductile Iron Pipe of China DN250 EN545/EN598/ISO2531 High Quality System 1

Ductile Iron Pipe of China DN250 EN545/EN598/ISO2531 High Quality

Ref Price:: $475.00 / 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.

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:

·High yield strength

·High tensile Strength

·High corrosion resistance

·Pressure Resistence

·Anti-corrosion

·Installation is convenient

·Satisfy the highest hygienic standards

3,Ductile Iron Pipe Images:

Ductile Iron Pipe of China DN5500 High Quality

4. Ductile Iron Pipe Specification

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

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: Can ductile iron pipes be used in high-pressure applications?: Yes, ductile iron pipes can be used in high-pressure applications. Ductile iron has excellent mechanical properties and high tensile strength, making it suitable for withstanding high-pressure conditions. Its inherent toughness and durability allow it to handle the stress and pressure exerted on the pipes, making it a reliable choice for various high-pressure applications.

Q: What is the expected burst pressure of ductile iron pipes?: Several factors, including the diameter, wall thickness, and grade of ductile iron, can influence the expected burst pressure of ductile iron pipes. However, ductile iron pipes are typically designed and manufactured to withstand high-pressure loads. Typically, the expected burst pressure of ductile iron pipes ranges from 350 psi to 700 psi. It is important to note that this is a general range, and the actual burst pressure can vary depending on the specific design and manufacturing standards followed. To determine the exact expected burst pressure for a specific ductile iron pipe, it is advisable to refer to the manufacturer's specifications or relevant industry standards such as the American Water Works Association (AWWA) C150 or ISO 2531. These guidelines provide recommendations for ductile iron pipes and their performance under different conditions. Additionally, local building codes and regulations may also include specific requirements for the installation of ductile iron pipes.

Q: What are the different types of coatings available for ductile iron pipe?: The different types of coatings available for ductile iron pipe include cement mortar lining, polyethylene sleeving, polyurethane coatings, and epoxy coatings. Each coating offers specific benefits such as corrosion resistance, improved flow characteristics, and protection against external elements.

Q: Can ductile iron pipes be used for seawater intake systems?: Yes, ductile iron pipes can be used for seawater intake systems. Ductile iron is a type of cast iron that is known for its high strength, durability, and resistance to corrosion. These properties make it well-suited for various applications, including seawater intake systems. Seawater is highly corrosive due to its high salt content, and regular cast iron pipes may be susceptible to corrosion and damage over time. However, ductile iron pipes have a protective coating that acts as a barrier against corrosion, allowing them to withstand the harsh conditions of seawater. Additionally, ductile iron pipes have a higher tensile strength compared to regular cast iron pipes, making them more resistant to the high pressures and stresses associated with seawater intake systems. Overall, ductile iron pipes are a reliable and cost-effective choice for seawater intake systems.

Q: Can ductile iron pipes be used in areas with high levels of organic matter in soil?: Ductile iron pipes are capable of being utilized in regions where soil contains significant amounts of organic matter. These pipes are renowned for their robustness and potency, rendering them appropriate for diverse soil circumstances, including those with elevated organic matter levels. They possess resistance against corrosion and can endure the chemical reactions that transpire in soils abundant in organic material. Furthermore, ductile iron pipes possess a sleek inner surface, diminishing the probability of accumulation and obstruction caused by organic matter. Nonetheless, it is crucial to contemplate the precise soil conditions and seek advice from engineers or specialists to guarantee adherence to correct installation and upkeep procedures.

Q: Are ductile iron pipes suitable for use in industrial applications?: Yes, ductile iron pipes are suitable for use in industrial applications. Ductile iron pipes are known for their high strength and durability, making them ideal for handling the demands of industrial environments. They are resistant to corrosion and can withstand high pressures and temperatures. Additionally, ductile iron pipes have excellent impact resistance, making them suitable for use in areas with heavy traffic or potential for mechanical damage. Their flexibility allows them to absorb vibrations and shocks, further enhancing their suitability for industrial applications. Overall, ductile iron pipes are a reliable and cost-effective choice for various industrial sectors such as water and wastewater treatment, mining, power generation, and chemical plants.

Q: What is the expected joint deflection of ductile iron pipes?: Various factors, such as the pipe diameter, joint type, and installation conditions, influence the expected joint deflection of ductile iron pipes. Generally, ductile iron pipes are designed to allow for some deflection at the joints to accommodate flexibility and movement. The American Water Works Association (AWWA) offers guidelines for the maximum allowable joint deflection of ductile iron pipes. According to AWWA C151/A21.51, the joint deflection should typically not exceed 3 degrees or 1% of the nominal pipe diameter, whichever is greater. It is crucial to ensure that the joint deflection remains within the specified limits to maintain the structural integrity and performance of the pipeline system. Excessive joint deflection can result in leaks, failures, and reduced pipe lifespan. To accurately determine the expected joint deflection for a specific installation, it is recommended to refer to the manufacturer's specifications and guidelines. These specifications may vary based on pipe size, joint type, and other factors. Seeking guidance from a qualified engineer or directly contacting the manufacturer can provide precise information tailored to the project requirements.

Q: Ductile iron and gray iron is what are the advantages and disadvantages of it: Comparison of nodular cast iron and cast steelThe strength of nodular cast iron is comparable to that of cast steel. Ductile iron has higher yield strength, the lowest yield strength is 40K, while the yield strength of cast steel is only 36k. In most municipal applications, such as water, brine, steam, ductile iron has more corrosion resistance and oxidation resistance than cast steel. Because of the spheroidal graphite microstructure of nodular cast iron, nodular cast iron is superior to cast steel in reducing vibration ability, so it is more beneficial to reduce stress. An important reason for choosing ductile iron is that ductile iron costs less than cast steel. The low cost of ductile iron makes this material more popular, more efficient and less costly for ductile iron.

Q: Are ductile iron pipes resistant to freeze-thaw cycles?: Yes, ductile iron pipes are resistant to freeze-thaw cycles. Ductile iron is a type of cast iron that has been treated with magnesium, which improves its strength, durability, and resistance to cracking. This enhanced material properties make ductile iron pipes highly resistant to the expansion and contraction that occurs during freeze-thaw cycles. Unlike other materials such as PVC or concrete, which may crack or break under the pressure caused by freezing water, ductile iron pipes have the ability to withstand these cycles without sustaining any significant damage. Additionally, ductile iron pipes have a smooth interior surface that prevents the formation of ice or frost buildup, further enhancing their resistance to freeze-thaw cycles. Overall, ductile iron pipes are an excellent choice for water distribution systems in regions with cold climates, as they offer superior resistance to the effects of freezing and thawing.

Q: How do ductile iron pipes perform in freeze-thaw cycles?: Ductile iron pipes perform well in freeze-thaw cycles due to their high tensile strength and flexibility. Unlike brittle materials, ductile iron can withstand the expansion and contraction caused by freezing and thawing without cracking or breaking. This makes them a reliable choice for water and sewer systems in regions with harsh winter climates.

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