The HiPAF Midi (high performance aerated filters) packaged sewage treatment plant consists of GRP tanks designed for unobtrusive below-ground installation. The tanks contain no moving parts.

A package plant containing primary settlement, biological treatment and final settlement modules, for larger applications in GRP, it covers population equivalents of 60 to 250 people.

  • Low visual impact
  • Small discrete control kiosk
  • GRP covers flush with ground level
  • No moving parts within the treatment plant
  • Reliable operation and performance
  • Easy installation 
  • Maintenance-free construction in GRP
  • Unique forward-feed system helps protect plant from peak flows
  • Fixed film submerged aerated filter uses Flocor random packed media
  • Air provided by fully accessible, non-blocking distribution system
  • Each plant designed to meet prevailing consent limits

A design, installation and maintenance service is also offered.