Liquid sampler device

Details Liquid sampler device Liquid sampler device

1978-12-11

1980-07-22

Goldberg, Gerald

Measuring and testing

Measuring vessel

G01N 114

Patent

active

042133424

ABSTRACT:
A device for taking a representative sample from a large volume of liquid in storage is disclosed. The device comprises a sealable sample container with fittings to facilitate attachment to the storage vessel to be sampled and a connected source of pressure controllable by valve means to cause movement of sampled liquid in and out of the sealed container. A filter unit connected to the sample container provides a trap for liquid or vapor that may be purged from the sample container as the sample is taken. The sample container has a control for providing automatic shutoff of sample flow when the sample container is filled. In one embodiment of the invention, source-pressure is utilized to create a suction for drawing liquid to be sampled into the sample container, and in a second embodiment, the source-pressure is used to purge the sample liner and its fittings prior to allowing the storage vessel pressure to force liquid into the sample container. The invention makes possible the taking of large-volume liquid samples without an explosion hazard and without exposing the operator to the liquid directly or otherwise releasing the chemical to the atmosphere.

REFERENCES:
patent: 2836068 (1958-05-01), Clift
patent: 4077263 (1978-03-01), Brailsford

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