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ALS

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ALS
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Analyzer getting slugged by liquids? Put an end to costly damage and operational shutdowns—install a Welker ALS Analyzer Liquid Shutoff upstream of your gas chromatograph. Gas flows freely through the ALS for online sampling but shuts off flow to your analytical device in the presence of liquids.

Features

  • Simple design
  • Corrosion resistant material
  • Ball check valve in transparent housing

Benefits

  • Uncomplicated maintenance requires no special tools and little downtime
  • Backflushing with dry inert gas quickly pushes liquids back to the pipeline
  • Long-lasting analyzer protection
  • Visual verification of gas flow
  • Ball forms leak-tight seal in the presence of liquids
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