Disc  Filtration

Arkal Water Filtration System operate using a specially designed disc
filtration technology. Thin, color - coded polypropylene discs are diagonally
grooved on both sides to a specific micron sze. A series of these discs are
then stacked and compressed on a specially designed spine. When stacked,
the groove on top runs opposite to the groove below, creating a for solids.
The stack is enclosed in a corrosion and pressure resistant housing.

During the filtration process, the filtration discs are tightly compressed
together by the spring's power and the differential pressure, thus providing
high filtration efficiency. Filtration occurs while water is percolating from the
peripheral end to the core of the element. Depending on the micron rating,
there are from 18 ( in 400 micron discs ) to 32 ( in 20 micron discs ) stopping
points in each track, thus creating the unique in - depth filtration.

                      Table of Filtration Grades of the Discs  and Color Code