Ultra Filtration
Water Purification
Ultra Filtration | Sagisa Purification Systems | Industrial Filtration
UltraFiltration
  • Low fouling Hydrophilic Polyvinylidenefluoride (H-PVDF) membrane
  • Excellent filtration performance with high flux
  • Durable and break resistant double- walled fiber structure
  • High chemical resistance and temperature tolerance for effective membrane cleaning
  • Very fine nominal pore diameter (0.03 ┬Ám)
  • High removal efficiency of bacteria and viruses
  • Dead-end or concentrate bleed flow capabilities
  • Outside-In flow configuration that allows for less plugging and higher solids loading, higher flow area and easier cleaning
  • Can be periodically back washed and air scoured to improve performance and extend operating life by removing the fouling layer
  • Simple, vertical, modular design allows low cost, compact systems


The DOW™ Ultrafiltration double-walled hollow fiber membrane is formed from high grade polymeric chemicals. The virtually defect-free, double-walled fiber membrane is much more robust and less prone to breakage than single-wall hollow fibers but due to the high pore distribution, does not compromise flux.

The uniformity of pore size and outside-in flow ensures the DOW™ Ultrafiltration membrane creates the perfect barrier without sacrificing performance.