What is a common method to test for leaks in a piping system?

Pressure testing is a widely-used method for detecting leaks in a piping system. This technique involves filling the piping with water, air, or another suitable testing medium and then applying a specified pressure that exceeds the operational pressure of the system. By monitoring the system under this heightened pressure, any drop in pressure indicates the presence of a leak.

This method is effective because it emphasizes the physical integrity of the piping and connections under conditions that mimic actual operational scenarios. Once a leak is suspected, additional tools, such as soap solution or ultrasonic sensors, might be employed to pinpoint the exact location of the leak, but the pressure test itself serves as a critical primary method for leak detection.

While visual inspection can help identify leaks that are evident, it is not comprehensive enough to catch all potential issues, especially small leaks that may not produce visible signs. Using chemical dyes might be effective in certain applications but is not as universally applicable as pressure testing. Ultrasonic sensors are also useful but tend to be more specialized tools. Overall, pressure testing remains the standard method for ensuring the integrity of piping systems.