Measuring and testing – With fluid pressure – Leakage
Patent
1990-02-15
1991-07-16
Williams, Hezron E.
Measuring and testing
With fluid pressure
Leakage
73302, G01M 332
Patent
active
050314475
ABSTRACT:
A standpipe leveler is suitable for use with the standpipe of a tank tester that is elevated to produce hydrostatic pressure on the tank. The leveler includes a graduate container for receiving liquid discharged from ports in the standpipe. The graduate container is connected to the inlet of a pump. The outlet of the pump is connected to the base of the standpipe for supplying liquid to the standpipe. A reservoir container may also be connected to the inlet of the pump and a drain or sump connected to the outlet of the pump. The graduate container may be located at a convenient level for the technician carrying out the hydrostatic pressure test to observe reduction of the liquid level in the graduate container due to leakage from the tank.
REFERENCES:
patent: 3580055 (1971-05-01), White
patent: 4807464 (1989-02-01), Janotta
Roskos Joseph W.
Williams Hezron E.
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