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The Cetus Sieve operates in gravity mode.
The water is routed through the 110 mm pipe from the basin to the pre-filter.
The amount of water entering the prefilter is regulated by a float device.
When the water level rises in the prefilter, the float rises and acts on the tank, thus allowing less water to pass through.
An equilibrium is obtained between the water which enters the pre-filter and that which is pumped, which maintains a constant water level under the grid in the pre-filter.
Water that falls through the stainless steel grate is freed from dirt with a size greater than 0.3 mm.
The water can then be directed to the biological filtration by a pump that sucks up the water held underneath the grid.
As a pre-filter, upstream of a multi-chamber or run-off filter.
As a pre-filter, upstream of a bead filter.
Suitable for a basin in gravity mode.