How Do Ductile Iron Pipes Prevent Rust? (Shandong Xinyuantai Pipe)
Ductile iron pipes are widely used in various applications, not only for water supply but also for natural gas distribution. When it comes to transporting natural gas, ductile iron pipes perform exceptionally well, ensuring a safe and reliable delivery system. This makes it easier for people to use both water and gas with confidence. In terms of water supply, ductile iron pipes play a crucial role in guaranteeing daily water needs. Because of their durability and versatility, many people often wonder whether these pipes are prone to rust or not.
The resistance of ductile iron pipes to corrosion is the key factor that determines whether they will rust or not. The main factor lies in the quality of the anti-corrosion treatment applied during manufacturing. High-quality ductile iron pipes must be lined with standard cement to protect the inner surface from wear and tear. On the outer side, the pipes undergo zinc spraying and coating with bituminous paint, or other epoxy-based coatings may also be used. With proper anti-corrosion measures, ductile iron pipes can last over 100 years under normal conditions.
One of the most vulnerable areas for rust is the outer wall, which comes into contact with soil. The high humidity and presence of oxygen in the soil make this area more susceptible to corrosion. However, when the anti-corrosion process is done correctly, it significantly reduces the risk of rusting. Although the inner walls of the pipe are exposed to continuous water flow, there's less oxygen present, making them less likely to corrode compared to the outer surface. Still, a cement lining is essential to ensure long-term performance and protection.
In summary, the anti-corrosion treatment of ductile iron pipes is vital to their longevity and reliability. Proper coating and lining not only prevent rust but also enhance the overall performance of the pipeline system. Whether for water or gas, ductile iron pipes remain a trusted choice due to their strength, durability, and resistance to environmental factors.
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