What is typically true about boiler stays?

Boiler stays are essential components in the structural integrity of a boiler. They are used to provide support and prevent distortion of the boiler shell and other pressure-containing parts as they heat up and cool down during operation. One critical characteristic of stays is their ability to withstand high temperatures, which is inherent in the operating environment of a boiler. As temperatures rise, materials can expand, and the stays must be able to endure this thermal stress without failing.

While these components are common in both large and small boilers, they are particularly vital in larger systems where thermal and pressure stresses are more pronounced. Stays are not merely optional for boiler operation; their purpose is fundamental in maintaining the safe and efficient functioning of the boiler under pressure and heat. Moreover, stays can support various components, not limited to just vertical tubes, allowing them to be integral to different designs in boilers. This highlights the importance of their ability to handle high temperatures as a defining feature of their design and function in boiler systems.