Sampling MethodPut the sampling bottle on the bottom of the container, the bottom of the sample bottle is automatically opened, wait for one minute, then pull the sample bottle up to complete the sa
BrandLEW
Bottom sampler, normally has a projecting stem that opens the inlet valve as the stem strikes the bottom of the tank. The sample enters the sampler through the bottom valve and the air is released simultaneously through the top valve. The inlet valve automatically closes when the sampler is withdrawn. The sampler can also be equipped with extension rods to obtain samples from different points in a tank. This can obtain samples from storage tanks, tank cars, and drums. When the sampler strikes the bottom of the tank, a plunger assembly opens to admit the sample. The plunger closes again when the implement is withdrawn, forming a tight seal. Samples can be taken at any depth with the use of a secondary trip line.
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