Kỹ Thuật

Air shower Pass Box

An air chamber located at the entrance of a clean room to minimize the amount of contaminated air entering the room. This is an integrated device between an air shower and a pass box specifically used to move small objects between clean rooms and unclean rooms.

- Principle of operation.

When equipment and materials are transferred through the air shower pass box, the system will be started by the sensor, clean air filtered through the Hepa filter is blown out at high speed through the nozzles mounted on the wall ( nozzle) removes 99.99% of dirt particles as small as 0.3 microns. Air velocity ranges from 20-22m/s. The dirty air is then sucked into the bottom of the transfer box, filtered and returned to the chamber. To increase the ability to repel dust, the Air Shower Pass Box is adjusted with an air shower time of 10-20 seconds depending on customer needs.

- Application:

Air shower pas box is mainly used to move equipment and materials. It helps reduce the number of people transporting tools and materials into and out of the clean room, thereby limiting the opening of the clean room and cross-contamination in factories producing food, medical equipment, and electrical components. electronics, cosmetics...

- Origin: Bach Long - Vietnam with basic characteristics:

Air is pressurized at a velocity of approximately 22m/s
HEPA filter removes 99.99% of particles 0.3 µm and larger (Optional ULPA filter removes 99.9999% of particles 0.12 µm and larger)
Adjustable cycle time
Interlocking doors prevent cross-contamination
Programmable logic controller for operational control
- Warranty: The device warranty is 1 year.

- Technical support: 5 years after warranty period.

- Regarding replacing components: HEPA filters normally need to be replaced every 6 months - 1 year. The coarse filter needs to be changed every 3-6 months.

If you cooperate with us, please contact:


Address: 75 Nguyen Hong Street, Ward 1, Go Vap District, City. Ho Chi Minh

Factory: 365/13 Provincial Road 15, Tan Thanh Dong, Cu Chi, City. Ho Chi Minh

Hotline: 093 143 54 54 - Email: sales@congnghelockhi.vn

Website: www.congnghelockhi.vn - www.congnghelockhi.com