Static Pass Box

A Static Pass Box (also called a “passive” pass box) is installed between two clean-room zones to transfer materials without any dedicated supply or exhaust airflow. In contrast, a Dynamic Pass Box includes air-supply/extract and often uses HEPA filtration and airflow to reduce contamination risks under more stringent conditions.

Typical specifications include: double-walled construction, doors with flush glass view panels, stainless‐steel handles & hinges, internal covings (for easy cleaning), electromagnetic interlocking of doors, door-release switch on either side, and indicator lights.

It is ideal for clean rooms where the transfer of materials must be controlled yet airflow between zones isn’t required (for example, between an ISO 7 zone and a storage/receiving zone). If airflow control is critical, a Dynamic Pass Box might be required instead.

The electromagnetic interlock ensures that both doors (on each side of the box) cannot be open simultaneously. This prevents cross-contamination between two zones when passing materials. It’s a safety and contamination-control feature.

Yes — as per the reference specification, the unit is equipped with a UV light (for internal sterilisation of the pass-box chamber when not in use) to help control microbial contamination.

The construction uses double-walled panels (usually with appropriate insulation and finish), stainless-steel handles and hinges, flush glass view-panels for visibility, and internal covings (rounded corners) to facilitate cleaning and minimize dust/trap points. These features are essential in clean-room‐compliant equipment.

You should regularly wipe down internal surfaces with appropriate clean-room compatible disinfectants, ensure the door interlock and indicator lights are functioning, verify the UV sterilisation cycle (if applicable) is operating correctly, and check the doors close and seal properly (no misalignment or damage). Regular maintenance helps maintain clean-room integrity.