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The Guardian

Advanced Micro Instrument's Analyzer "Guardian" solves a number of long-standing issues associated with natural gas analysis.

Free water, hydrocarbon condensate, compressor oils, "pigging" gas lines and equipment failures all too often result in flooding and damaging expensive analytical equipment.

The Guardian liquid rejection membrane effectively and reliably rejects hydrocarbon condensate and liquid slugs, preventing them from ever reaching critical gas analyzers.

The Guardian also incorporates an integral check valve, allowing gas to flow in one direction only. During a gas compressor failure, a vacuum condition can occur and without an appropriate check valve in place, atmospheric air can be sucked through the analyzer's exhaust line back into the gas pipeline causing contamination and an explosive mixture.

The Guardian Liquid Rejection Probe offers all this functionality in one small, compact package:

  • Rugged compact design.
  • Simple installation.
  • No bypass flow required, even when used for continuous operation.
  • Continuously and automatically drains liquids back into the pipeline, even after a slug has passed. No manual drain required.
  • Vertically mounts to the pipeline via a ½" NPT tap or fitting. Does not extend into the pipeline causing an obstruction during a "pigging" operation.
  • Built in reverse flow check valve.
  • Works in pressure ranges from 1.5psig to1200psig.
  • Available with integral micro sized surface mount pressure-reducing regulator. Inlet pressures form 7-1200psig. Output pressure range 0-25psig.

The Guardian works successfully in harsh pipeline conditions rejecting all liquids commonly found including: water, glycols, and most hydrocarbons.AMI continues to provide breakthrough solutions to difficult problems where oxygen analysis is required.

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  • Pressure range:
    2 to 1200psig
  • Input gas connection:
    ½"NPT
  • Output gas connection:
    ¼" compression
  • Material:
    316 SS
  • Dimension without pressure regulator:
    2.75"H x 3.00"Dia.
  • Dimension with pressure regulator:
    4.50"H x 3.00"Dia.
  • Weight without pressure regulator:
    3.0lbs
  • Weight with pressure regulator:
    3.5lbs.

  • Rugged compact design.
  • Simple installation.
  • No bypass flow required, even when used for continuous operation.
  • Continuously and automatically drains liquids back into the pipeline, even after a liquid slug has passed. No manual drain required.
  • Vertically mounts to the pipeline via a ½" NPT tap or fitting. Does not extend into the pipeline causing an obstruction during a "pigging" operation.
  • Built in reverse flow check valve.
  • Works in pressure ranges from 2psig to1200psig.
  • Available with integral micro sized surface mount pressure-reducing regulator. Inlet pressure from 7-1200psig. Regulated output pressure range 0-25psig.