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Filtration hoods are the main element of the drainage switchgear design. The hoods are placed on a plate in the reservoir, clean the liquid and gas medum and also remove impurities (sand, catalyst, resins, zeolite, activated carbon, etc.).


  • High mechanical strength and resistance to high loads
  • Low surface contamination
  • Resistance to corrosion and high temperatures
  • Low hydraulic resistance
  • Large working surface area
  • Variety of ways to attach the hood to the plate


  • Water demineralization process
  • Sand filters
  • Carbon filters