E Escalator™ Perforated stainless steel screen panels are carried on heavy-duty chains and incorporate holes of 6 mm (1/4'') or 3 mm (1/8'') diameter giving fine screening in any direction. Screening and Separation R ROTOPAC™ The Rotopac™ is a simple device for dewatering and compacting the screenings collected on bar screens and fine screens. Screening and Separation T TiPSS Veolia Water Technologies offers a range of equipment especially designed for (pre-) treatment of Oily Waste Waters either for Upstream or Downstream Oil & Gas applications. Screening and Separation