US Patent 10208747 Trap for pump testing and monitoring systems

A liquid barrier trap for a pump testing and monitoring system is disclosed herein. The liquid barrier provides a barrier to exhaust gases and fluids from escaping a pit that includes the pump under test. The pit may be a sump pit or an ejector pit. The liquid barrier may include a P-trap. The liquid barrier may include an inlet conduit in fluid communication with a valve for admitting water thereto. The liquid barrier may include an outlet fluid conduit extending through a pit cover and permitting water to be admitted into the pit.