Xiaobai seeks advice from experts
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The pipe grade is M1H, and raised face flanges are used for connection; the end face of the connected nozzle does not match that of the pipe. What is the reason? Please provide a solution
If one flange has a \"convex\" surface, then the other side should have a \"concave\" surface, right? The two of them form a pair, and such flanges are also known as flanges with \"male and female\" surfaces. I didn’t understand the question, so I’m guessing. For reference.