- Model FGP - Biogas Gravel Filters



Gravel filters are in-line devices installed in biogas gas pipelines as condensate water traps and back-flame arresters. Filling material is usually coarse gravel with granular size between 30 and 60 mm.

An external water trap device allows for continuous disposal of condensate water. PROGECO gravel filters can be fitted with several optional devices such as differential pressure gauges, biogas sampling ports, etc.

  • Full AISI 304 stainless steel construction
  • Flanged connections to process
  • Removable Inspection lid
  • Filling media: gravel (grain size 30<d<60 mm) (not included)
  • Optional water trap (50 mbar) for automatic condensate drainage

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