An expansion joint is used to absorb dimensional changes, such as those caused by thermal expansion or contraction of a pipeline, duct, or vessel.
![113108v2a1](https://usbellows.com/wp-content/uploads/2019/06/113108v2a1-300x115.jpg)
An expansion joint is used to absorb dimensional changes, such as those caused by thermal expansion or contraction of a pipeline, duct, or vessel.