What role does a pressure gauge play in boiler operation?

A pressure gauge is a crucial instrument in boiler operation as it provides real-time information about the pressure within the boiler. Monitoring the pressure is essential for safe and efficient operation. High pressure can indicate potential operational issues, which can lead to safety hazards, while low pressure may signal that the boiler is not operating effectively or that there may be a leak.

Understanding the pressure is vital for several reasons:

1. It helps operators ensure that the boiler is functioning within its designed pressure limits.

2. It assists in diagnosing potential problems, such as equipment malfunctions or leaks.

3. Operators rely on pressure readings to maintain optimal performance and make adjustments as necessary.

Other functions that might be associated with boiler operation, like measuring water temperature or monitoring impurities, are handled by different instruments designed specifically for those tasks. Similarly, controlling the fuel supply involves different mechanisms entirely, focusing on the combustion process rather than pressure levels. Thus, the primary function of a pressure gauge is to show the pressure inside the boiler, making it an indispensable tool for safe and efficient boiler operation.