technology

HEPA-interlocked pass box

A static or dynamically-purified enclosure with door interlocks preventing simultaneous access from both cleanliness zones, the baseline mechanism for moving materials across a cleanroom boundary.

Where it's used

Pass-through chambers and airlocks
HEPA-filtered pass boxes and interlocked airlock chambers that move materials between cleanroom classification zones without breaking containment — static and dynamic (actively purified/decontaminated) formats sold by five specialist manufacturers spanning the US, Germany and China (Franz Ziel, Terra Universal, Clean Rooms International, Airkey Envirotech, Suzhou Hansen Cleanroom Technology).
cleanroom-facilities 7 min