A [pressure vessel](http://www.unitedheatexchangers.com/heat-exchanger/pressure-vessel/) is a container designed to hold gases or liquids at a pressure significantly different from the surrounding (atmospheric) pressure. These vessels are widely used in industries such as chemical processing, oil and gas, power plants, and manufacturing. – [Gowtham Saravanakumar](https://www.linkedin.com/in/gowtham-now/)