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ALS Analyzer Liquid Shutoff

Brand: Welker, Inc

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. 

The Welker ALS Analyzer Liquid Shut-Off is a low-cost, high quality device that protects sensitive equipment and high-value operations. Installed upstream, of your gas chromatograph, the ALS allows gas to flow freely for online sampling but shuts off flow 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 
  • Back-flushing 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

1 - 5 of 5 Part Numbers
ALS-1
ALS-1
ALS-1/ALS-2/ALS-4 Analyzer Liquid Shutoff
ALS-2
ALS-2
ALS-1/ALS-2/ALS-4 Analyzer Liquid Shutoff
ALS1
ALS1
Operating Pressure @ -20° to 100° F: Standard: 1,000 psig MAOP; High Pressure: 1,440 psig MAOP
ALS2
ALS2
Operating Pressure: 600 psig @ -20° to 100° F
ALS4
ALS4
Operating Pressure: 2,160 psig @ -20° to 100° F
1 - 5 of 5 Part Numbers

Specifications

Brand

Materials of Construction

  • ALS-1/ALS-2: Glass
  • ALS-1/ALS-2: LEXAN™
  • ALS-1/ALS-2: Teflon
  • Viton
  • ALS-4: PTFE
  • ALS-2: Anodized Aluminum
  • ALS-1/ALS-4: Aluminum
  • ALS-1/ALS-4: 316/316L Stainless Steel

Inlet/Outlet Connection

  • ALS-4: 1/4" FNPT or 1/8” FNPT
  • ALS-1/ALS-2: 1/8” FNPT

Operating Pressure (@-20° to 100° F)

  • ALS-4: 2,160 psig
  • ALS-1: Standard 1,000 psig MAOP
  • ALS-1: High Pressure 1,440 psig MAOP
  • ALS-2: 600 psig MAOP

Certifications & Approvals

  • ALS-1/ALS-4: NACE Compliance

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