As an accessory equipment of the clean room, the pass box is mainly used for the transmission of this small item between the clean room , and the unclean area , so as to reduce the frequency of opening and closing the clean room and minimize the environmental pollution of the clean room. The pass box is widely used in small high-tech, laboratories, pharmaceutical companies, hospitals, outpatient clinics, food processing industry, LCD, factories and other places where air filtration is necessary.
What is the materials of pass box ?
Pass box according to the different materials of the box can be divided into: stainless steel pass box, stainless steel transfer window inside the outer steel plate. Common plates for the production of pass box are cold-rolled steel plates (A3 plates) and stainless steel (SUS201, SUS304, SUS316, etc.). The thickness of the transfer window is generally 0.8~1.5mm. The pass box is composed of a left box, a right box (interlocking device is installed in the box), an upper box, a lower box, an inner wall, a UV sterilizing lamp, and a double door structure of the pass box.
- The box body of the pass box is made of stainless steel plate, which can effectively avoid rust.
- The two doors are interlocked with electronic interlocking device and cannot be opened at the same time.
- Both doors are double-glazed, the surface is flat, not easy to accumulate dust, and easy to clean.
- Both doors are embedded in the box, the outer surface is flat, easy to clean and not easy to accumulate dust
- The internal four-corner arc structure is easy to clean and disinfect.
- Clean type is equipped with differential pressure detection and filter integrity detection interface.
The application of pass box in the cleanroom project
The pass box is an auxiliary purification equipment in the construction of the purification project. In order to reduce the way of transferring items set up because of the number of doors, it is used for the transfer of small items in the clean area and the unclean section of different clean levels, and plays the role of an airlock to effectively prevent external air from entering the clean room and reduce the cleanliness of the clean room. The air shower transfer window can be used to treat the pollutants on the surface of the item by blowing, and then brought into the clean area.