Pass box is a kind of auxiliary equipment of clean room, used for cargo transfer between clean areas,
clean areas and unclean areas, they can reduce the times to open the door so as to ensure the cleanliness in the clean room.
Accroding to the working principle,there are three pass box:
Nomal pass box :
the pass box is interlock on the both doors,and can not be opened at one time.they can prevent air pollution.
Tip:this model pass box can’t completely to stop dust entrance.
Air shower pass box:
Air shower pass box is high efficiency filter and fan built-in in normal pass box.
It is suitable for cargo transfer from clean areas to unclean areas or from low clean areas to high clean areas.
Laminar flow pass box:
It is also suitable for cargo transfer from clean areas to unclean areas or from low clean areas to high clean areas.
But it is mainly applied to the Biopharmaceutical industry,and through the laminar flow filter to form the class100 clean area in laminar flow pass box,thus effectively prevent the pollution into clean room.