- Model Bongo Series - Single / Double Aperture Fine Screens


With its Ovivo Bongo Series - Single/Double Aperture Fine Screens, Ovivo offers cost effective, flow-through design, fine screening for lower flows. While ideal for pre-membrane screening in wastewater treatment facilities, the equipment can also be used on any water intake or for pre-screening, when protection in the 300-1600 micron range is recommended. The dual aperture model suits flows up to 1.7 MGD, while the single aperture design deals with flows up to 3.6 MGD.

  • Lower Capital Costs – Fewer Screens
  • Lower Construction Costs – Small Footprint
  • No Carryover or Bypass of Screenings
  • High Capture Efficiency – Minimizes downstream “ragging”
  • Lower Operating Costs
  • Protects Downstream Equipment
  • Flow Through Design – Pump Flow Not Required

The Ovivo Bongo dual aperture fine screen is ideal for pre-membrane screening in a wastewater treatment facility. The robust and rigid construction of the 3mm Propapanel screening panels is the ideal first stage screen for removal of wastewater influent debris without excessive blinding. The internal elevators transport the captured debris to an internal trough where low pressure wash water conveys the screenings to a screening handling system.

The second stage mesh can easily be sized to meet the specific needs of the plant, providing removal of the smaller fibrous waste which often fouls membrane systems, pumps, mixers or other downstream process equipment. If not removed, small fibrous material often forms into large rag like clumps downstream. The mesh is protected by the 3mm Propapanel screening panels, providing redundancy to the screening system.

The integral labyrinth seal and bearing surface ensure that the screen has almost no by-pass, resulting in the highest removal efficiency possible. Additionally, the low velocity design of the Ovivo Bongo dual aperture fine screen allows grit settlement in the tank. Collected in lower sump, the grit can conveniently be discharged from the side, or pumped out of the tank.

The Ovivo Bongo dual aperture fine screen design can also be used for water intakes or for pre-screening of any equipment which needs protection in the 300-1600 micron range but contains source water containing large or sharp debris which would otherwise overwhelm or destroy a mesh screen.

  • Two Screens in One
  • Influent Screen – No coarse screen required*
  • 3mm ProPaPanel screening panels for high durability
  • 1st stage screening
  • 300-1600 Micron mesh for very fine 2nd stage screening
  • Single Low Power Drive
  • Low Maintenance
  • Corrosion Resistant

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