What is one common method for testing the functionality of vapor recovery systems?

Pressure testing the system for leaks is a widely accepted and effective method for assessing the functionality of vapor recovery systems. This process involves increasing the internal pressure of the vapor recovery components and monitoring for any drop in pressure, which would indicate the presence of leaks. By using pressure testing, operators can ensure that the system is properly sealed and functioning efficiently, which is crucial for minimizing emissions and maintaining regulatory compliance.

Visual inspection for leaks, while valuable as a preliminary check, may not detect all types of leaks, especially those that are small or occur in less visible areas. Thermal imaging detection is useful in identifying temperature differences but may not be directly indicative of vapor leaks in all scenarios. Acoustic monitoring can help in detecting certain types of leaks through sound, but it may not be as reliable or comprehensive as pressure testing for confirming overall system integrity. Thus, pressure testing stands out as a fundamental and reliable method within the repertoire of techniques for evaluating vapor recovery systems.