Two-Stage Filtration Systems
topic
Preliminary filtering uses slowly rotating filter drums where dust-laden air forms a layer that is removed by rollers. Fine filtering uses a second filter drum to clean the air before it returns to the room. These can be individual filters or part of a central installation. Panel pre-filters and rotary fine filters (e.g., LUWA) are standard components.
Role
Two-stage filtration ensures both fly (larger particles) and dust (micro-particles) are removed from the air. The preliminary stage protects the fine filter from overloading, extending its service life and maintaining consistent air quality.
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