If you need a pass-through hatch placed within a firewall PBSC equips a tested and certified fire-rated option in either a wall or floor-mounted hatch configuration. Dependent on size, the unit comes with fire-rated vision panels in the stainless-steel door leaves, with the operator and facility safety a priority.

  • With integrity certification up to 90 minutes. The fire-rated transfer hatch also provides insulation properties for 30 minutes when insulation and integrity are required.
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  • Tested up to 90 Minutes Integrity.
  • Easy to Clean Surfaces, with minimal visible fixings.
  • Wall or Trolley Mounted solutions.
  • Used in a Broad Range of Applications, with clean-up to ISO 5/6 possible.
  • Solid Stainless-Steel Hinges.
  • Custom Sizes to fit your requirements.
  • Concealed Mechanical Interlock as standard.
  • Electrical controls for timed air purge are available.


A proven fire-rated hatch for protection in cleanroom environments...

All hatches from PBSC have been developed to support the reduction of pressure loss and importantly, cross-contamination, whilst passing products between different room classifications and can be used in a broad range of applications from healthcare, pharmaceutical, and medical research facilities worldwide.

Also known as Pass Box, Pass-Through, Hospital Box, through Box, Cleanroom Hatch, Lab Box, Fire Hatch, and Transfer Box.

Technical Specification

  • Test Certification to BS476 Part 22
  • Please Contact PBSC's Architectural Department For More Information
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  • PBSC reserve the right to introduce changes in performance, configuration and technology, dimension, weights and materials in the course of technical progress. Images may not be accurate.
  • Some of the information/images/equipment described or shown may only be available at extra cost. Features & specifications will vary. P


  • Stainless-Steel Support Frame
  • Internal Support Shelves, Glass or Stainless-Steel UV Lights
  • Electro-Mechanical Interlock System
  • Active Airflow
  • Vision Panels