Page 197 - b.safe catalog

The activated carbon filling in the b.safe Exhaust Filters adsorbs harmful vapours that escape from the collected solvent waste. Only filtered air is emitted through the ventilation openings to the ambience.
b.safe TECHNICAL INFORMATION 165
Supply Zone (green): proportion of the non-saturated activated carbon. The end of the Exhaust Filter’s life cycle is reached as soon as this proportion is also saturated with solvents.
Active Zone (blue): also called adsorption zone. This part of the activated carbon is adsorbing the solvents in the air that is just flowing through the filter. It migrates upwards the more the saturated area grows.
Saturated Zone (red): propor- tion of the activated carbon that is already saturared with solvents. During the expiration of the service life, the saturated zone migrates upwards until the Exhaust Filter is complete- ly saturated at the end of its service life.
Filter made of FDA conform PE to stabilize the activated carbon filling. Perfect air permeability of 300-1500 ml/min cm2
Activated carbon with a surface of 1100 m2/g for reliable adsorption of harmful solvents during the entire service life of the b.safe Exhaust Filter
Prefilter for optimized flow behaviour (air permeability of 300-1500 ml/min cm2)
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