When a piping system heats up, cools down, vibrates, or shifts slightly, the pipe does not simply sit still. It moves. Without somewhere for that movement to go, stress can build at welds, supports, flanges, and connected equipment. That is where Pipe Expansion Joints become an important part of practical piping design. Why Do Pipes Need Expansion Joints? Think about a long metal pipe like a railway track. When its temperature changes, ...
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