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Suvidha Home Appliances & Services
Suvidha Home Appliances & Services


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Pressure Sand Filter

A typical Pressure Sand Filter consists of a pressure vessel-this could be either vertical or horizontal-fitted with a set of frontal pipe work and valves, graded sand supported by layers of graded under bed consisting of pebbles and silex, a top distributor to distribute the incoming water uniformly throughout the cross section of the filter.

Working Principal
In pressure sand filter raw water flows down words through the filter bed and as the suspended matter-which has usually been treated by addition of a coagulant like alum-is retained on the sand surface ends between the sand grains immediately below the surface. There is steady rise in the loss of head as the filtration process continues and the flow reduces once the pressure drop across the filter is excessive.

The filter is now taken out of the service and cleaning of the filter is effected by flow reversal. To assist in cleaning the bed,the backwash operation is often preceded by air agitation through the under drain system. The process of air scouring agitates the sand with a scrubbing action,which loosens the intercepted particles. And finally flow of water in reverse direction clean sand filter for next service cycle.


Type Automatic
Certification CE Certified
Color Grey
Voltage 220V
Power 3-6kw
Driven Type Electric
Warranty 1 Year

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