Measuring and testing – Sampler – sample handling – etc. – Withdrawing through conduit or receptacle wall
Patent
1984-09-07
1986-04-08
Levy, Stewart J.
Measuring and testing
Sampler, sample handling, etc.
Withdrawing through conduit or receptacle wall
G01N 100
Patent
active
045804524
ABSTRACT:
A valve is mounted on a conduit from which it is desired to take a sample of the liquid which flows along the conduit. The body of the valve includes a through passage within which a needle valve member is removably inserted to close the valve. The body is provided, opposite said passage, with a collar in which is engaged the end of a rigid tube with a sampling vessel provided with a needle valve. Thus, it is possible to withdraw samples of the liquid into the vessel without any leakage of liquid and even without any emanation therefrom occuring, which is of the highest importance in the case of toxic or noxious liquids. Moreover, the device does not produce any dead volume of liquid which it would be necessary to purge before each taking or sampling of liquid from the conduit.
REFERENCES:
patent: 2041694 (1936-05-01), Buckley
patent: 2691773 (1954-10-01), Lichtenberger
patent: 3278156 (1966-10-01), Callahan
patent: 3744319 (1973-07-01), Harmes
patent: 4150575 (1979-04-01), Magorien
patent: 4320654 (1982-03-01), Collins
patent: 4458543 (1984-07-01), Mieth
Levy Stewart J.
Raevis Robert R.
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