PBSC’s inflatable seal doors provide the highest possible airtight containment in applications involving high traffic and wheeled equipment. The doorframe is flush with the floor eliminating any trip hazard or trolley interference.

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  • High leakage resistance across the complete door set
  • Monitoring of seal pressure
  • Monitoring of supply pressure from building
  • Unique PBSC cast stainless-steel hinge assembly
  • Stand-alone PLC controls available
  • Door leaf construction options
  • Silicone or EPDM inflatable seal
  • Hydraulic or Automatic Door Closers
  • Configurable button sets and LED indicators
  • Flush glazed vision panels – toughened or laminated glass
  • Designed to install into a range of wall types


Providing the highest possible airtight containment in applications involving high traffic and wheeled equipment

The search for innovative design, an eye for detail, and advanced manufacturing techniques has seen PBSC gain a deserved reputation as the premier supplier within cleanroom environments.

PBSC's Inflatable Seal Door can also be known as a High Containment Door, Hospital Door, Lab Door, Laboratory Door, Stainless Steel Door, APR Door, High Containment Door, Inflatable Door, and Cleanroom Door.

Technical Specification

  • Leakage resistance up to pressure differences of 2000Pa (8” w.g.)
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  • Please contact PBSC for specific design options.
  • 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.


  • Interlock systems
  • Frame designs to seal to almost all wall types
  • Frame design with no visible fixings to the wall
  • Double seals
  • UPS to PLC’s
  • Power Loss Upgrade System, to keep the compressed air supply to the seal in power failure
  • Low level sampling port
  • Pneumatic Override Button to release the seal in the event of power failure
  • Vision panel cover
  • Automatic Closer
  • Large door designs up to 4m H and 2.5m W