A3g India - Pass Box

n the process of material transfer from unclassified area to classified area pass box used. Pass box is rectangular box with two or three doors. The doors are interlocked such a way that doors cannot be open at the same time, due to which pressure losses and bacterial contamination doesn’t take place throughout the material transferring process.

The prevention of simultaneous access of doors has been achieved by our Pass Boxcontroller by ensuring that when one door for a Pass box is open then other doors closed

Pass box is one of the cleanroom systems, which is used to transfer materials from one side to other side through controlled environment in order to avoid airborne cross contamination. As the name states itself, the primary and only work of a pass box is to pass material from one side to other without raising contamination concern and if any particulate matter presents on the material surface, it swipes away during the operation. Interlocking door mechanism is the prime feature of a pass box, when door at one side is open the door at other side remains closed. It is popular with other names such as cleanroom pass through, clean transfer window and transfer hatch; in addition, it is widely used in Microbiology Laboratories in Food, Pharmaceutical, Chemical Industries and Hospital A pass box is designed in two different types; Static and Dynamic, it is the user specific requirement which decides the right design configuration

Static pass box on the other hand is fitted only between two clean room areas and has no air supply or extract. It is also known as passive pass box and equipped with UV Light

A dynamic pass box is fitted between classified and non-classified areas. Material is passed through vertically HEPA filtered air.