What does the specific gravity of 1.50 indicate about the LP gas in piping installations?

A specific gravity of 1.50 indicates that the LP gas is heavier than air. Specific gravity is defined as the ratio of the density of a substance to the density of a reference substance, which is air for gases. When the specific gravity is greater than 1, it means the substance, in this case, the LP gas, is denser than air. Therefore, it will tend to settle down in low areas rather than mix evenly with the air.

Understanding this property is crucial for safety in installations and handling practices, as it influences how gas leaks behave in the environment. Heavier-than-air gases can accumulate in confined spaces, creating hazardous conditions. In contrast, gases with a specific gravity less than 1 would rise and disperse into the atmosphere. This distinction is essential for technicians working with LP gas systems to ensure proper ventilation, leak detection, and safety measures are implemented.