Method and apparatus for sampling liquids from vessels

Details Method and apparatus for sampling liquids from vessels Method and apparatus for sampling liquids from vessels

1993-12-27

1995-04-25

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Conduit or passageway section capture chamber

7386381, 7386431, 7386474, 7386434, G01N 100

Patent

active

054088895

ABSTRACT:
A hermetic sampling device and method for sampling hazardous fluids that greatly reduces the risk of exposure to operators and the environment. The preferably portable device comprises, a housing having a ball valve at its lower end, the housing adaptable to fit standard valves, such as are commonly found on barges, and a sample catcher movable between the housing and a vessel containing a volume of fluid to be sampled. The sample catcher is lowered from the housing into the vessel to obtain a sample of fluid which is then transferred from the vessel to the housing from where it is further transferred, under pressure, to a hermetically sealed container utilizing hollow needles insertable into the container. When the transfer has been completed, any fluid remaining in the device is returned to the vessel.

REFERENCES:
patent: 1870436 (1932-08-01), Ball et al.
patent: 2006301 (1935-06-01), Meyer
patent: 4986138 (1991-01-01), Spencer
patent: 5265483 (1993-11-01), Farrell et al.

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