Comment les douches d'air réduisent le transfert de particules aux entrées des salles blanches

People are one of the most mobile contamination sources in a controlled environment. Even after correct gowning, loose particles can remain on garment folds, footwear and carried items. A cleanroom air shower adds a controlled transition between the gowning area and the cleaner production space, helping remove loosely attached particles before the inner door opens.

The entry problem an air shower addresses

Opening a direct route from a support area into a cleaner room can disturb pressure relationships and allow contamination to move with personnel. An air shower does not replace gowning, cleaning or room air filtration. It adds a repeatable entry step that combines filtered high-velocity air, a defined cycle and interlocked access.

How the equipment supports contamination control

Air nozzles direct filtered air over the garment from several angles. Return grilles collect the displaced air, and internal filtration supports recirculation during the timed cycle. Door interlocks help prevent both doors from being open together. This controlled sequence reduces uncontrolled traffic and gives operators a clear, repeatable entry routine.

Configuration points that affect performance

• Internal dimensions must suit the number of users, garments and material carried through the chamber.
• Nozzle position and air distribution should reach the front, back and sides of the operator without creating an unsafe experience.
• Door orientation, opening direction and interlock logic must match the personnel route and emergency requirements.
• Filters, fans and service panels need practical access for inspection and replacement.
• The enclosure finish, floor and seals should match the surrounding cleaning program.

Where air showers provide the most value

They are commonly considered where personnel traffic is frequent, garment-borne particles are a concern, or a project requires a more disciplined transition than a standard airlock alone. The correct decision depends on room classification, process risk, traffic volume, available space and operating procedures.

Selection checklist

Share the required clear opening, chamber capacity, wall arrangement, door handing, power supply, preferred material, control sequence and installation environment. These details allow the air shower, supporting panels and access doors to be coordinated as one entrance system.

An air shower is most effective when it is treated as one element of the complete entry process—not as a substitute for good gowning and cleanroom discipline.

Explore our personnel and material decontamination equipment, or send your entrance requirements for coordinated product selection.