Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent
1984-09-05
1986-07-15
Myracle, Jerry W.
Measuring and testing
With fluid pressure
Dimension, shape, or size
73 495, G01M 328
Patent
active
045998906
ABSTRACT:
Hydrostatic test apparatus for pressure testing fire hoses, pressure vessels such as fire extinguishers, or the like, including a small, portable unit having an inlet line for connection to a hose from an ordinary water tap, for example, an outlet line connected to the item to be tested, a pump, a first bypass line between the inlet lines for filling the item being tested, a control valve in the first bypass line which is closed during testing to prevent backflow of test pressure into the water supply, a pressure gauge in the outlet line for reading test pressure, and an adjustable relief valve in a second bypass line between the inlet and outlet lines for setting a predetermined test pressure. Air vents or bleeds allow the apparatus to be completely bled of air before testing to assure accuracy of the test pressure readings. The apparatus operates on very low water volume for safety.
REFERENCES:
patent: 2633739 (1953-04-01), Potts et al.
patent: 3100986 (1963-08-01), Starr et al.
patent: 3362225 (1968-01-01), Noble
patent: 4103537 (1978-08-01), Victor
patent: 4114426 (1978-09-01), McLean
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patent: 4417465 (1983-11-01), Noe et al.
patent: 4430887 (1984-02-01), Roberts et al.
Leo O'Campo--"Portable Hose Testing Device" Jan., 1984 Fire Engineering, pp. 24-25.
Dolezal F. Wesley
Girone Joseph M.
Myracle Jerry W.
Process Engineering Incorporated
Williams Hezron E.
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