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Vliya Multi Media Filter For Water Treatment - China

price: contact company for price

Multi- Media Filters

Removing suspended solids smaller than 40 microns requires filters with either two or three layers of filter media. These are referred to as dual media filters or multi media filters. When sized properly and with the correct configuration of filter media, the sand filter can remove suspended solids as small as 5 micron.

Sand filter units are skid- mounted, factory assembled and wired, hydro- tested, and delivered ready for installation. Piping, valves, pressure gauges and accessories are included with filter systems. Solar power, media air scour, and rinse cycle are available as options. Filter systems are engineered to require little maintenance.

Size of solids to be removed: The smaller the solid to be removed, the slower the water must pass through the media and the finer the granule of media must be. Very often the end user doesn’t know how small a solid must be removed. In those situations, how the filtered water will be used will determine how small a solid should be removed.

Concentration of suspended solids: The higher the concentration of suspended solids, the larger the diameter of the filter media needs to be.

Source of backwash water: Backwash water is used to clean the filters and flush out the suspended solids that have been trapped in the media bed. Water for backwashing can come either from the filters themselves or from an external source of clean water ( such as a domestic water line or a storage tank) .

If backwash water comes from the filter system, there must be more than one filter in the system. Filters are backwashed one- at- a- time. During the backwash cycle, a portion of filtered water exiting the other filter( s) in the system is used to clean the dirty filter. During these periods ( which typically last for several minutes per filter) , the amount of filtered effluent flowing downstream of the filter is reduced by the amount of water required for backwashing.

In the cases where this temporary reduction in flow is acceptable, there will be two or more filters in the sand filter system. If no decrease in the flow of filtered water is allowed, then water for backwashing should be supplied from an external source or the pump supplying water to the filters must increase its output.


Company Contact:


  • Phone: 8615820261538

  • Address: Wanjiang Dongguan City Guangdong Province China, Dongguan, China

  • Email: Email


Published date: January 15, 2016 -

  • Business Description: RO system pure water machine, CEDI deionized ultrapure water treatment machine, Ion exchanger, UF system, Water filter, Wastewater treatment machine, Water reuse treatment system, Seawater desalination system, Purification water treatment machine, Water tanks, ect.

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