What are the grades of DI pipes?

Q&A Format: Grades of DI Pipes

Q: What are the grades of DI pipes?A: DI pipes, or ductile iron pipes, are commonly classified into three main grades: class K9, class K7, and class K8. Q: What is class K9 DI pipe?A: Class K9 DI pipe is a high-strength pipe with a pressure rating of 9 bars, making it suitable for use in high-pressure applications such as water mains and sewer systems. Q: What is class K7 DI pipe?A: Class K7 DI pipe is a medium-strength pipe with a pressure rating of 7 bars, commonly used in applications where moderate pressure is expected, such as irrigation systems or industrial pipelines. Q: What is class K8 DI pipe?A: Class K8 DI pipe is a lower-strength pipe with a pressure rating of 8 bars, typically used in low-pressure applications like gravity flow sewer systems or stormwater drainage. In summary, DI pipes are available in different grades to meet varying pressure requirements in different applications. Class K9 pipes are the strongest and most durable, while class K7 and class K8 pipes are suitable for medium to low-pressure applications, respectively. It is essential to choose the right grade of DI pipe based on the specific needs of the project to ensure optimal performance and longevity.

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