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The unfiltered liquid is fed into the filter under positive pressure, where liquid travels in downwards direction and finds its way through opening on sides of the Filter Plates.
As the liquid pressure increases, the Filter media holds the foreign particles and allows only clear filtrate to pass through the central channel formed by interlocking pressure cups to the outlet.
Filtration is continued until the cake holding capacity of the unit is reached or until the filtrate rate becomes too slow owing to cake resistance.