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Sand Filters

Sand Filters

Bonnafide Chemicals is the trusted in the markets for the supply of Sand Filters. The Sand Filters, offered by us, are of optimum quality. The Gravity Sand Filters and Pressure Sand Filters are available in different sizes and material. Our Sand Filters are operated manually as well as automatically.

  • Designed and developed to remove turbidity and suspended particles present in the feed water with minimum pressure drop.
  • The Filter consists of a multiple layer of sand with a variety in size and specific gravity.
  • In sand filters water enters in the filter and percolates through the filter bed.
  • Suspended matter present in the water comes in contact with the media particles.
  • Trapped on the top of the bed
  • By this phenomenon, clean water comes out through the filtration nozzles and through the filter outlet.
  • Periodically cleaning of this filter is done by backwashing
  • Water is introduced in the reverse direction of the service flow that is from the outlet nozzle upwards
  • Causing suspension of the turbid material in the filter bed & finally flushing out through the backwash valve
  • The Filter is then down rinsed & clear water is taken in the system


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