What is the function of a pressure-relief device in LP-Gas containers?

The function of a pressure-relief device in LP-Gas containers is primarily to prevent pressure buildup. These devices are critical safety mechanisms designed to release gas when the internal pressure exceeds a certain threshold, which could happen due to increases in temperature or other factors. By doing so, pressure-relief devices help to avert dangerous situations like container rupture or explosion, ensuring that the LP-Gas is stored safely under controlled conditions.

This device operates automatically, venting gas to the atmosphere when necessary, thereby maintaining the integrity of the container. Understanding this function highlights the importance of regular maintenance and inspection of pressure-relief devices to ensure they operate correctly.

The other options relate to aspects such as capacity enhancement, temperature maintenance, and gas level monitoring, which are not primary functions of a pressure-relief device. These aspects may pertain to the overall management and storage practices of LP-Gas but do not directly involve the safety and operational purpose that pressure-relief devices serve.