“Hygiene Flow Systems” Pass through box is designed to minimize traffic and contamination entry into the clean room, enables parts, tools and other work items to be passed to and from the room. Unit acts as an air lock device preventing ambient air from entering, exiting the clean room. Dynamic Pass Box allows operation in sterile and particle free conditions because the continuous flushing of the working area by a unidirectional and vertical and ultra filtered airflow, it assures a full product protection.
| Feature | Static Pass Box | Dynamic Pass Box |
| Environment Types | Between two controlled cleanrooms with equal cleanliness levels | Between an uncontrolled (or lower class) area and a highly controlled cleanroom |
| Airflow & Filtration None | No active air supply, blowers, or filters . | Uses motor blowers, pre-filters, and HEPA filters to provide a sweeping clean air stream |
| Contamination Control | Passive; relies on limiting personnel movement and using UV lights for sterilization | sweeps away loose particles and maintains positive pressure to stop dirty air from entering. |
| Interlocking SystemBasic | Ensures both doors cannot be opened at the same time | Often features electromagnetic or mechanical interlocks coupled with a “clean down” timer to purge the air before the receiving-side door unlocks. |
Modle No : HFPB450, HFPB600, HFPB900, HFPB1200
Working size in Ft : 1.5x 1.5×1.5 , 2x2x2, 3x2x2, 4x2x2