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Personnel and Material Decontamination Equipment
Refrigerated Cleanroom Pass Box
An insulated, temperature-controlled pass box for short transfers of compatible temperature-sensitive materials.
- Insulated Cold Chamber
- Programmable Temperature Control
- Condensation Drain
- Interlocked Cold-Transfer Doors
Product Introduction
The refrigerated pass box combines a double-wall insulated stainless chamber with a compact refrigeration module and internal air circulation. The controller holds the selected short-transfer setpoint while a drain removes evaporator condensate. Both doors remain interlocked to preserve the controlled material route; the equipment is intended for transfer rather than long-term product storage.
Key Features
The refrigeration controller maintains the selected operating setpoint.
An internal fan circulates conditioned air around the payload.
A drain route removes moisture from the evaporator section.
Removable shelves allow cleaning and load arrangement.
Customer Product Concerns
Cold transfer must hold a suitable temperature briefly without condensation, door conflict or misuse as long-term storage.
A conventional pass box exposes chilled samples to warm room air.An insulated refrigerated chamber maintains the selected transfer environment.
Condensation drips into the cleanroom wall or chamber.The evaporator section includes a defined condensate drain connection.
Repeated door opening causes rapid temperature swings.Interlocks permit only one door at a time and the controller restores the setpoint after transfer.
Large shelf systems block cold-air circulation.Removable open racks are arranged to leave an air path around the load.
Typical Applications
Temperature-sensitive sample transferPharmacy preparation supportBiotechnology materialsCold-chain component staging
Technical Parameters
Representative construction ranges for a refrigerated cleanroom pass box are shown below.
| Core Material | SUS 304 or SUS 316L insulated chamber with closed-loop refrigeration module, circulation fan and condensate drain |
|---|---|
| Panel Thickness | 60-100 mm insulated double-wall cold-chamber panels |
| Effective Width | 400-1000 mm clear refrigerated transfer width |
| Maximum Length | Up to 1200 mm chamber depth |
| Steel Facing Thickness | 1.0-1.5 mm stainless-steel facing |
| Core Density | 35-40 kg/m³ polyurethane foam insulation |
| Thermal Conductivity | 0.022-0.028 W/(m·K) for polyurethane thermal insulation |
| Surface Finish | Brushed stainless steel with removable shelf racks and cleanable evaporator cover |
| Joint Type | Continuous-seam insulated chamber with gasketed interlocked doors and sealed condensate connection |
| Customization | Available based on the intended application and operating environment. |
Available Options
Typical 5-15 °C setpoint rangeDigital temperature displayAlarm contactRemovable stainless shelf rack
Planning a Refrigerated Cleanroom Pass Box specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
