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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.
 
  Progeco srl
Sede legale ed operativa: Via Luigi Abbiati, 43 - 25131 Brescia (BS) - Italy
Tel. (+39)-030-3662711 Fax (+39)-030-3662769