Leak detector and utilization pressure manifold

Details Leak detector and utilization pressure manifold Leak detector and utilization pressure manifold

1989-11-16

1991-01-15

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 328

Patent

active

049844482

ABSTRACT:
A utilization pressure/leak detector includes two valves (28, 30) for being disposed in series between a meter (18) and a customer's riser valve (20). A gauge (24) is disposed between the two valves (28, 30) for testing utilization pressure and for leak detection. A check swivel assembly (34) is provided for interconnecting one side of the valve (28) to the meter (18). A valve (38) interfaces with an orifice (40) to provide a predetermined gas flow between the meter (18) and a valve (28) to act as a load. To test the utilization pressure, gas is provided to the meter (18) and valve (28) opened with the valve (38) also open to provide a load on the system. Valve (38) is closed to determine the lock up for the regulator (14). Leak testing is achieved by opening valve (38) to pressurize the customer's piping and then closing valve (28) observation of the gauge (24) for providing indication of a leak in the customer's piping.

REFERENCES:
patent: 2353287 (1944-07-01), Benesh
patent: 3444724 (1969-05-01), Gilpin
patent: 3910102 (1975-10-01), McLean
patent: 4103537 (1978-08-01), Victor
patent: 4114426 (1978-09-01), McLean

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