ductile iron pipe china ISO2531

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

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

Q: How does ductile iron pipe perform in high-pressure gas applications?: Ductile iron pipe is an excellent choice for high-pressure gas applications due to its unique characteristics and properties. Firstly, ductile iron pipe is known for its high tensile strength, which allows it to withstand the high pressure exerted by gas flowing through the pipeline. This strength ensures that the pipe can safely contain the gas without any leakage or rupture. Moreover, ductile iron pipe has a high resistance to corrosion, making it suitable for gas applications where the pipeline may come into contact with moisture, chemicals, or other corrosive substances. This resistance to corrosion ensures the longevity of the pipe and minimizes the risk of any damages or failures that could be caused by corrosion. Another advantage of ductile iron pipe in high-pressure gas applications is its ability to handle thermal expansion and contraction. When gas is transported at high pressures, there can be significant temperature variations, leading to expansion and contraction of the pipeline. Ductile iron pipe's flexibility allows it to accommodate these changes without causing any structural issues or compromising its performance. Furthermore, ductile iron pipe has a smooth interior surface, which reduces friction losses and pressure drops, allowing for efficient gas flow. This smoothness also minimizes the chances of gas impurities or debris getting trapped, which could potentially cause blockages or flow disruptions. In summary, ductile iron pipe is a reliable and durable choice for high-pressure gas applications. Its high tensile strength, corrosion resistance, ability to handle thermal expansion, and smooth interior surface all contribute to its excellent performance in such demanding conditions.

Q: Are ductile iron pipes suitable for installation in areas with high soil compaction?: Indeed, areas with high soil compaction can accommodate the installation of ductile iron pipes. Renowned for their robustness and longevity, ductile iron pipes exhibit remarkable resistance against external loads and pressures. Their inherent pliability enables them to endure the strains caused by intense soil compaction. Furthermore, ductile iron pipes possess a substantial modulus of elasticity, enabling them to retain their form and structural soundness even when subjected to substantial burdens. Consequently, they present themselves as an exceptional option for regions with high soil compaction, as they adeptly manage the force and deliver dependable and enduring functionality.

Q: Can ductile iron pipes be used in areas with high soil liquefaction potential?: No, ductile iron pipes are not recommended for areas with high soil liquefaction potential.

Q: Can ductile iron pipes be used for underground utilities?: Yes, ductile iron pipes can be used for underground utilities. Ductile iron is a strong and durable material that can withstand the pressure and load requirements of underground applications. It is commonly used for water and wastewater systems, gas distribution, and other underground utility infrastructure.

Q: How does ductile iron pipe handle changes in pipe diameter or size?: Ductile iron pipe is designed to handle changes in pipe diameter or size with relative ease. It possesses excellent flexibility and can accommodate variations in pipe dimensions without compromising its structural integrity. This is mainly due to its unique composition, which includes a significant amount of graphite nodules that provide ductility and elasticity to the material. When faced with changes in pipe diameter or size, ductile iron pipe can be easily manufactured or modified to meet specific requirements. It can be cast or fabricated in various diameters and lengths, allowing for seamless integration and adaptability within a pipeline system. This versatility is particularly beneficial in scenarios where different pipe sizes need to be connected or when the pipeline layout requires alterations. Moreover, ductile iron pipe's superior mechanical properties make it capable of withstanding the stresses and forces associated with changes in pipe diameter or size. It exhibits high tensile strength, impact resistance, and durability, ensuring that it can handle the internal and external pressures exerted on the pipe during operations. Additionally, the jointing systems used with ductile iron pipe contribute to its ability to handle changes in diameter or size. Various joint types, such as push-on, restrained, or mechanical joints, provide secure and leak-free connections between different pipe sections. These joints allow for easy assembly and disassembly, enabling efficient adjustments to the pipe diameter or size as needed. In conclusion, ductile iron pipe is well-equipped to handle changes in pipe diameter or size due to its inherent flexibility, adaptability, and robustness. Its composition, manufacturing capabilities, and jointing systems all contribute to its ability to accommodate variations in pipe dimensions without compromising its performance.

Q: Can cast iron pipes not be used for domestic water supply and drainage?: Yes, the main use is, outdoor water supply pipe can be PE or ductile iron (socket connection). Indoor water is now used in general plastic pipes, but in the past seems to be able to use ductile iron, as for drainage, generally do pressure type drainage, when the choice is cast iron pipe. There are also indoor fire pipes using welded steel tubes or ductile iron.

Q: How long do ductile iron pipes last?: Ductile iron pipes possess an impressive durability and extended lifespan. Typically, these pipes can endure from 80 to 100 years, with certain instances even reaching an impressive 150 years. The exceptional longevity of ductile iron pipes can be attributed to their sturdy construction, enabling them to withstand high-pressure surroundings, combat corrosion, and endure severe weather conditions. Furthermore, ductile iron pipes have established a commendable reputation for their reliability and performance, rendering them a favored option for water and wastewater infrastructure projects worldwide. By conducting regular inspections and implementing maintenance measures, the lifespan of ductile iron pipes can be further prolonged, assuring their continued service for numerous decades to come.

Q: How can the ductile iron pipe be welded?: The nickel electrode cold welding, such as Z408

Q: What is the expected corrosion rate of ductile iron pipes?: Several factors can influence the expected corrosion rate of ductile iron pipes, including the specific environment in which they are installed, the pH and composition of the water or soil they come into contact with, and the presence of any corrosive substances or chemicals. Compared to materials like cast iron or steel, ductile iron pipes are well-known for their excellent resistance to corrosion. This is because they naturally develop a protective layer called a passive film on their surface when exposed to oxygen in the environment. This passive film acts as a barrier, preventing further corrosion. However, it is important to acknowledge that even ductile iron pipes can experience some degree of corrosion over time, especially in aggressive or highly corrosive environments. The expected corrosion rate can vary from very low to moderate, depending on the aforementioned factors. To ensure the durability and performance of ductile iron pipes, it is advisable to follow proper maintenance and monitoring practices. This includes regular inspections, cleaning, and the application of protective coatings or linings when necessary. Furthermore, implementing a cathodic protection system can further enhance the pipes' corrosion resistance. Ultimately, consulting experts and professionals in the field of corrosion and pipe materials is crucial for accurately determining the expected corrosion rate of ductile iron pipes in a specific application or environment.

Q: How are ductile iron pipes connected together?: Ductile iron pipes are typically connected together using a jointing method called push-on joint. This involves lubricating the spigot end of one pipe and inserting it into the bell end of another pipe. The two pipes are then pushed together until the spigot end reaches the center of the bell end, creating a tight and secure connection.

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