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Portable Polisher Demineralisers

MULTIGRADE FILTERS
The SEION multi grade filter is a depth filter that makes use of coarse and fine media mixed together in a fixed proportion. This arrangement produces a filter bed with adequate pore dimensions for retaining both large and small suspended particles. This filter performs at a substantially higher specific flow rate than conventional filters. Specific flow rates of 15-30 mfh have been successfully obtained for treating waters containing 50-25 ppm suspended solids respectively to produce a filtrate with less than 5 ppm.

SPECIAL FEATURES
Higher flow rate.
Raw water can be used for back washing the filter.

ADVANTAGES

• Higher specific flow rate than conventional down flow filters thereby saving on space and cost.
• Very little maintenance required.Low backwash water requirement.
• In most cases, raw water can be used for backwash.
  

Applications :

The SEION multigrade filter is an ideal choice for all applications where a conventional sand filter is used. It is extensively used in side stream filteration of cooling water and in potable water treatment. It is ideal for filtration of clarified water. In addition it finds application in sea water filtration and in filtration of chemical solutions. For these types of filtrations rubber lined or epoxy painted filters can be offered.

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