Pass Box (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.

A pass box is designed in two different types; static and dynamic, it is the user specific requirement which decides the right design configuration. The difference between these two is explained as:

Dynamic Pass Box (DPB)

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

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.

We are ISO certified pass box manufacturers in India. Our pass boxes deliver low noise and easy to use operation, rugged construction promises long service life. Standard size is 2 x 2 x 2 ft. or 60 x 60 x 60 cm, we also make customized pass through boxes to any customer provided size. Every box is made to comply international standards and supplied at industry leading price in India and export to USA, UK, Greece, Netherland, UAE and Australia.

Pass Box Diagram

1. HEPA Filter
2. Control Panel
3. UV Light
4. Door handle
5. Electromagnetic Lock
6. Magnehelic Gauge
7. Per-filter

TECHNICAL SPECIFICATIONS

Model	STXDPB222	STXSPB222
Design type	Dynamic	Static / Passive
Cleanliness level	Class 100	-
Internal Dimension	2 x 2 x 2 Ft.	2 x 2 x 2 Ft.
MOC	Stainless steel 304	Stainless steel 304
Illumination	LED tube light	LED tube light
Air system	Motor-blower with suspension arrangement	-
Filters	Pre filter (95% down to 5 micron) HEPA filter (99.97%) Protected by SS grills	-
Door	Two side doors Glass window SS handles & SS hinges Electromagnetic Interlocking system	Two side doors Glass window SS handles & SS hinges Electromagnetic Interlocking system
Standard Fittings	UV light Light indicators for door SS Handles & SS hinges On / Off Switch for blower	UV light Light indicators for door SS Handles & SS hinges
Power supply	220 Volts / 50 Hz	220 Volts / 50 Hz
Optional	MOC SS 316 / 316 L Differential Pressure Gauge DOP Test Port Flange Test certificates Calibration certificate Mechanical door interlocking Door buzzer UV light hour meter	MOC SS 316 / 316 L Flange Test certificates Mechanical door interlocking Door buzzer UV light hour meter
Customized sizes available on request