Stainless Steel Box

The pass box is an equipment normally installed on the wall between the clean room and any other room. It is used for transfer of material from and into the clean room, without contaminating the air of clean room and without having to open room door. This is achieved with the help of interlocking type doors of pass box.
Principal of Working :
This equipment is installed on the wall between the clean room and the other room. the pass box has two doors at its extreme ends. One door opens in the clean room and other door open in the other room. these doors are electrically interlocked type so that any other door can be operated at a time. This avoids direct flow of air from the clean room to the other room or vice versa. This also avoid the need to open the clean room door frequently for transferring of material from & into the clean room. Thus, it helps in achieving the aim of material transfer without disturbing the cleanliness level of the clean room.