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Guangzhou Anlai Airtech Co.,Ltd
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Dynamic type Cleanroom Pass Through Box
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 and chemical industries.
There are three types of pass box:
DYNAMIC PASS BOX (DPB)
A dynamic pass box is fitted between classified and non-classified areas. Material is passed through vertically HEPA filtered air.
The air flow 0.45m/s
STATIC PASS BOX
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.
AIR SHOWER PASS BOX (APB)
An air shower pass box is fitted between classified and non-classified areas, top with 360degree air flow nozzles. Material is passed through vertically HEPA filtered air.
The air flow 20M/S
Specifications
| Model | AL-PB500 | AL-PB600 | AL-PB750 | AL-PB800 |
| External Size (WxLxHmm) | 660x500x590 | 760x600x690 | 950x750x840 | 960x800x890 |
| Internal Size (WxLxHmm) | 500x500x500 | 600x600x600 | 750x750x750 | 800x800x800 |
Quality selection
It is adopted the sand light stainless steel inside, which is flat, neat, wearable. The surface material of pass box is cold rolled steel or stainless steel.
Double door interlock
Door in two sides with machinery or electronic interlock device makes two doors can’t be in the open state at the same time, it prevent the cross-infection between clean zone and unclean area.
Good sealing
Pass box with special sealing strips to guarantee the airproof.
Application
It’s widely used in the clean environment, such as micro-electronics, labora-tory, national defense, precise instrument, biopharming, opto-electronics, aseptic packaging, etc.