281.491.2331 13839 West Bellfort Street Sugar Land, TX
281.491.2331 13839 West Bellfort Street Sugar Land, TX
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WELKER > Guardian

The Welker Guardian protects analyzers from contamination and damage by blocking liquids from gas samples and preventing the flow of liquid to the analyzer.


Protection You Can Trust

Fail-safe shutoff optimizes profitability by protecting sensitive equipment from damage caused by liquid.

Sight Port

See The Difference

Sight glass provides instant visual confirmation of flow status.

Filtration System


Corrosion-resistant material needs only minimal maintenance. No tools are required to disassemble the ALS-1.


Guardian Liquid Eliminator and Analyzer Shutoff
Materials of Construction304 Stainless Steel, 316/316L Stainless Steel, Aluminum, Glass, LEXAN™, Teflon®, Viton®
Drain Connection1/4" FNPT
Inlet Connection1/4" FNPT
Outlet Connection1/8" FNPT
FiltrationNominal 25 Micron Internodal Distance
Operating Pressure1000 psig @ -20 °F to 290 °F