We offer a wide range of Dual Media Filters which includes Pressure Sand Filters and Activated Carbon Filters. All of our filters are used to remove turbidity and organics, de- chlorination, etc. These dual media filters have high dirt removal capacity of as the finest sand forms. Thick layer of coarse anthracite is provided along with these filters. This comprises off sand and anthracite as filtering media and polishing media respectively. Internally it is fitted with inlet distributor and a bottom collecting system. Externally, it is fitted with frontal pipe work and isolation valves. Sand is used for removing the suspended particles and anthracite removes the odor and color etc to make the water fit for various application. Pebbles and gravels are provided to support to both the media. This filter is to be backwashed after accumulation of suspended solids; however, before carrying out the backwash, air scouring is also to be done for loosening of dirt and suspended solids. Limit for the backwash in these filers is governed by differential pressure across the filter.
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