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Comparison DOW Filmtec BW60-1812-75 vs DOW Filmtec TW30-1812-75

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DOW Filmtec BW60-1812-75
DOW Filmtec TW30-1812-75
DOW Filmtec BW60-1812-75DOW Filmtec TW30-1812-75
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Cartridge typemembranemembrane
Items in set11
Size12"x1.8" "12"x1.8" "
Water temperaturefor cold waterfor cold water
Pollution clipping0.0001 µm
Filtration speed0.2 L/min0.2 L/min
Filtration and purification
softening (scale)
for heavy metals
nitrates
pesticides
petroleum products
softening (scale)
for heavy metals
nitrates
pesticides
petroleum products
Country of originUSAUSA
Added to E-Catalogjanuary 2022september 2021

Pollution clipping

The smallest particle size that the cartridge is capable of retaining; smaller contaminants will be able to penetrate through it. Accordingly, the smaller the number in this point, the finer the filtering provided by the cartridge. On the other hand, increasing the filtration thoroughness inevitably reduces the performance, other things being equal. So the choice of cartridge is often based on a compromise between thoroughness of cleaning and throughput.

Also note that the choice depends on the purification stage at which the cartridge is planned to be installed. So, at the initial stage, coarse cleaning is used, with clipping impurities at the level of 25 microns or more. Filter elements with an index from 25 to 0.3 microns are classified as fine filters, and lower values are typical for ultra-fine elements, in particular, for osmotic membranes (see "Application").