AFS (Active Filtration System) represents the most advanced and comprehensive pressure drop mitigation technology available to the refining and chemical industries.

The advantages of AFS are:

• AFS has the highest internal and external void fraction representing >83% total void for maximum retention of pressure causing particulates.
• AFS offers a better flow distribution through better design than the any of the competition.
• AFS makes it possible to custom design to your specific problem.

AFS (Active Filtration System) Bed Protection Filter Disk grading technology, that is used to filter fines in Hydrotreating Units, Sulfur Guards Beds and traps ammoniumchloride salts in Chloride Guards Beds.