Pass Box is used to pharma sectors.It is used to transfer or pass material between two areas.
The area must be same class or different class. Their are different room classification like ISO1 to ISO9 and WHO A, B, C, D.
The box transfer lower level cleanliness to high level cleanliness or vice-versa.
It is made of 304 Stainless steel (Pass box).
Two type of pass box give 1) Static Pass Box, 2) Dynamic Pass Box
Static Pass Box
1) Static Pass Box is transfer material which is equally clean.
2) High possibility, there are pressure is Equal. (Both Room)
3) Electromagnet interlock system arrange both side of the door. It is help to only indicate, door are open or close with the help of LED light.
4) Its both doors are open at a time. Their no feature to interlock both doors.
5) Static Pass Box is 8 watts.
6) Fluorescent lamp is 40 watts.
7) The Static Pass Box do not have filters.
8) No required gauge by same classification rooms.
Dynamic Pass Box
1) Dynamic Pass Box is transfer material which unequal pressure.
2) There are less possibility or no pressure is Equal. (Both Room)
3) Electromagnet interlock system arrange both side of the door.
This is help to protects for outside contamination particles.
4) Their are interlock Guard which is control inlet and outlet doors.
Once doors is open then other remains close and vice versa.
5) Dynamic Pass Box is 8 watts.
6) Fluorescent lamp is 20 watts.
7) Dynamic Pass Box uses to type of filters 0.3 (HEPA filter) and 10 (PRE filter) as per requirement.
8) It also has a Pressure guage, range between 0 to 25 mmWC.
It has fitted blower 0.5 hp to pass through out dust particles.
Vey informative article. Really helpfull. Thnax Manav.
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