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CAC Gas - Model GSS-4PM -Composite Gas Sampler
With an unparalleled history of representative sampling, repeatability, and accuracy, the Welker GSS-4PM Gas Sampling System has proven itself to be the superior composite sampling solution for natural gas—wet or dry. clean or dirty. The self-purging probe-mounted system collects fresh samples proportional to flow or time. The Vanishing Chamber" collection cup ensures your samples will be as representative and accurate as the results of an online analyzer.
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- Vanishing Chamber" collection cup
- Probe mounted with isolation valve
- Welker Fresh Sample System*
- Positive displacement diaphragm sample pump
- Inline relief at sample outlet
- Purge manifold with pressure gauge
- Sample pump actuated by regulated process gas
- Holders for single cavity and constant pressure cylinders included
- Optional onboard Welker 4P Sample Frequency Controller or Welker 6Tc Timer/Controller
- Optional Welker LE-2SSKO Probe for wet gas streams
- Captures and fully displaces samples to the sample cylinder
- Collect representative samples from the center one-third of the pipeline
- Perform standard maintenance without removing the system from the pipeline
- No lag time
- Self-purging design ensures a fresh sample every cycle
- Collect repeatable fixed volume samples at line pressure
- Inline relief prevents collected samples from flowing back to the pipeline if pipeline pressure drops
- Purge sample cylinder using industry standard practices
- On-site monitoring of single cavity sample cylinder fill volume
- No auxiliary pneumatic supply required
- Mount and support your sample cylinder for proper filling and purging
- Connect an analog or digital signal to sample proportional to flow or time (optional)
- Sample proportional to flow or time without an external power supply (optional)
- Separate free liquids from the wet gas stream and return them to the pipeline (optional)