Gas Sampling
Welker Composite Gas Sampler

Welker Composite Gas Samplers are the only samplers capable of purging themselves 100% prior to sample collection regardless of gas quality.

 

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Accurate Composite Sampling of Natural Gas
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Welker GSS-4 Vanishing Chamber Gas Sampler

The heart of the Welker Gas Sampling System is the GSS-4 Vanishing Chamber Pump. With it's unique collection head design, the GSS-4 is the best sampler pump available.

 

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Welker GSS-4PM Probe Mounted Gas Sampler
  • Completely purges the system prior to collection of the sample.
  • No inlet check valve to restrict the flow of gas to the sampler.
  • Only 2 dynamic o-rings.
  • Samples at full pipeline pressure.
  • Completely effective in wet, dirty, and high BTU gas.
  • Secondary port for CP Cylinder, precharge connection.
  • In recent tests conducted by operating companies, the GSS-4 series outperformed all other samplers and was proven to collect samples as representative and accurate as an on line analyzer.

 

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Welker LSSM-1 Sampler
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