Legacy in Action: PBSC Air Showers Through Time, 1999 vs Today

A history of PBSC air showers: from original standard setters to today’s innovations

3D render of PBSC air shower unit with blue interlocked door, stainless steel construction and high velocity air nozzles for cleanroom personnel decontamination

For decades, PBSC air showers have supported critical cleanroom environments, keeping people and processes safe. Our original designs set the standard for personnel decontamination, offering reliable performance for the cleanrooms of their time. Fast forward 25 years and our commitment to innovation and quality continues, delivering advanced solutions for the evolving needs of cleanrooms and critical sectors.

Construction & doors: robust materials and installation flexibility

  • Stainless steel or powder coated steel construction
  • Interlocked toughened glass personnel doors
  • Maximum clear opening with flush frame (straight through design)
  • No crane required for installation – fits through a standard doorway

Airflow & decontamination: high flow nozzles and return air integration

Page two of original PBSC air shower brochure showing modular construction specifications, installation notes and cleanroom personnel using wall mounted air nozzles

  • High Flow version: 30 adjustable stainless steel nozzles (15 per side)
  • Velocity: 30-32 m/s, providing 3,670-3,900 m³/hr
  • Lowest nozzle only 21.5 cm from finished floor
  • Low level return air to AHU built into cubicle top

Lighting & controls: PLC options and operator interfaces for status and alarms

    • PLC controlled 24VDC LED lighting that activates as the operator enters
    • Control options: Siemens Logo (standard), Allen Bradley PLC, Siemens S7-1200 PLC
    • S7-1200 option includes touchscreen for status and alarms

 

Efficiency & safety: low power use, validated filter performance and safe change options

  • Low power usage: 10A, 1Ph, 110-230VTwo cleanroom personnel in gowns and face masks standing inside a PBSC air shower with high velocity nozzles and interlocked door controls prior to cleanroom entry
  • Clean filter: 150 Pa / 32 m/s at 5 cm from nozzle
  • Dirty filter: 300 Pa / 28 m/s at 5 cm from nozzle
  • Safe Change Filter option allows safe and efficient filter replacement without compromising containment – ideal for high containment applications

Additional features: adjustable nozzles, concealed hardware and durable finishes

  • Adjustable nozzles without performance loss
  • Frameless glass doors with PBSC concealed closer system
  • Solid stainless steel hinges and pull handles
  • Tinted toughened glass for durability and aesthetics