In order to permanently ensure the function of technical systems and to avoid failures caused by contaminated fluid, the ventilation is optimised by means of an aeration dryer. While dirt particles from a size of 3µm are separated, the effect of complete air drying is added. For example, GIEBEL Adsorbers® are mounted on hydraulic tanks, gears, storage tanks as well as drums in IBC containers. Designed to the tank volume, the incoming air is dehumidified to initially 2%rh (average 10%rh). In addition, these adsorbers additionally protect a hydraulic tank without large oscillating movements (e.g. oil circulation lubrication) from unnecessary contact with the ambient air and thus considerably extend the maintenance intervals.
For further information on GIEBEL aeration dryers please visit our homepage or our blog.
Adsorber |
VV-D |
VV-DV |
VV-R |
VV-RV |
MA-R |
MA-RV |
ME-RV |
VG-D |
VG-R |
Use |
Drying supply air |
Seperation of pollutants |
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Material |
Polycarbonat, Polyamid, FKM |
Aluminium, FKM/EPDM |
Stainless Steel A4, FKM/EPDM |
Polycarbonat, Polyamid, FKM |
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Substance |
Hydraulic Oil, Gear Oil, Biological Oil, Vegetable Oil, Transformer Oil, Insulating Oil, AdBlue (Urea), Diesel Fuel, Isocyanates, Polyoles, Anhydrite |
Like Adsorber VV and additionally … Anhydrite, Easily and hardly inflammable Liquids, Skydrol, HyJet IV/V, Brake Fluids, Petrol, Kerosene, Acetic Acid, Polyethylene Glycol, Isopropyl Alcohol, Methanol, Diethylene Glykol, Acetone, Butyl Acetate, Ethanol, Ethyl Acetat |
Like Adsorber Sulphuric Acid, Benzenesulfonic Acid, Dichlormethane, Caustic Soda |
Hydraulic Oil, Gears Oil, Biological Oil, Vegetable Oil, Transformer Oil, Insulating Oil, AdBlue (Urea), Diesel Fuel, Isocyanates, Polyols, Anhydrite |
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Valves |
No |
Yes |
No |
Yes |
No |
Yes |
Yes |
No |
No |
Refillable |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Application according to ATEX 2014 |
No |
No |
No |
No |
Yes |
Yes |
Yes |
No |
No |
Suitable for offshore use |
Yes |
Yes |
No |
No |
No |
No |
Yes |
Yes |
No |
Amount of adsorbent |
Silica gel |
Silica gel |
Silica gel |
Silica gel |
Silica gel |
Silica gel |
Silica gel |
Activated Carbon |
Activated Carbon |
Advantages |
Affordable, |
Affordable, |
Inexpensive Maintenance, |
Inexpensive Maintenance, |
Robust, |
Robust, |
High Resistance, |
Affordable, |
Inexpensive Maintenance, |