Ten Sampling System Mistakes Harming Your Operations

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Ten-Sampling-System-MistakesIt's important to be able to recognize potential problems that could be damaging your system. Do any of these issues sound familiar?

  • Your gas sampling system has too much volume upstream of the first regulator. High pressure gas can cause condensation in the lines and excessive time delay due to gas compressibility. It also can be a safety concern due to rapid decompression if a component fails.
  • Your liquid sampling pressure is too low. It's just the opposite of running gas through the line. Letting the liquid pressure drop may release a dissolved gas, causing the liquid to bubble or foam. It’s best to keep the pressure of a liquid sample as high as possible.
  • You’re sampling from a stagnant line. Make sure you’re sampling from an active process line so that you get a representative sample.
  • Your vaporizer is too hot. A hot vaporizer body could boil the incoming sample, causing it to fractionate.
  • Your sample flow is too slow. The slower your sample flow, the more viscous drag is placed on the interior wall of your tubing, causing solids to form.

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