The sucked air opens the valves in the lower part of the adsorber at approx. 6 mbar. After flowing into the adsorber, the air is evenly distributed over the cross-section. The pre-filter disc frees the air from coarse dirt particles.
When flowing through the desiccant, the water molecules are reliably removed from the air. The gap volume of the granulate is optimally selected with 2 to 5 mm grain size and guarantees a minimum pressure build-up with simultaneously very good drying performance. Thus, at the beginning of the drying process, a residual air humidity of max. 2% rH and a dew point of -40°C will be achieved. A 3µm filter ensures that all dirt particles are separated from the ambient air and the GIEBEL Xdry® fill and that the connected plant is not contaminated.
When air is discharged, a two-stage slosh protection and a layer of activated carbon prevent oil droplets, oil particles and oil mist from entering the desiccant, thus enabling the adsorber to self-regenerate.
As saturation increases, the orange silica gel grains of the GIEBEL Xdry® fill turn green. If the silica gel grains have turned completely green, the packing must be replaced. After 4-5 replacement cycles at the latest, we also recommend replacing seals, particle filters and activated carbon discs.