Clean Room Pass Box

Pass box is a kind of facility used for transferring goods between inside and outside of cleanroom. It is normally located on partition walls of cleanroom. It can prevent any disturbance of airflow and air pressure in clean room, which can be caused by the door opening for goods transferring.Pass Boxes are utilized for the aseptic transfer of materials between two controlled areas without the need for personnel movement. These equipment provides a controlled environment and helps prevent contaminants from entering the clean room.A pass box, which is also called a transfer hatch or SAS pass (sterile access system), works as a barrier between areas with different levels of cleanliness when materials do have to be moved. The equipment is used to transfer material from an area of lower cleanliness to an area of higher cleanliness, and vice versaA dynamic pass box is a cubicle box which has got interlocked doors located on both sides. This protects the controlled environment from being polluted while the transfer of material is taking place inside.