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Sand and gravel filter
The sand and gravel filter is a media filter with exceptionally strong dirt-holding capacity.
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Sand and gravel filter This is a media filter with exceptionally strong dirt-holding capacity. Compared with centrifugal filters, mesh filters, and disc filters, its unique advantage lies in its ability to effectively remove both organic and inorganic contaminants from water. When the concentration of organic matter in the water exceeds 10 mg/L, a sand-and-gravel filter should be selected regardless of the level of inorganic contaminants.Sand and gravel filters are available in 2-inch, 3-inch, 4-inch, and other sizes, with flow rates comparable to those of centrifugal filters. In addition to standalone sand and gravel filters, automatic backwash filters deliver even better filtration performance, as they are equipped with built-in backwashing mechanisms that automatically initiate a backwash cycle when the pressure differential across the filter reaches a preset threshold, thereby ensuring consistently excellent continuous filtration.
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