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Your expert on Mobile Air Systems Trailers, Fire Trucks, Slide-in Cascade Units and Custom Designs

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Unitized Air System. 5000 psi (UN4/20-E3)

Unitized Air System. 5000 psi., 21.0 cfm. charging rate.150,000 cu ft purification system with SECURUS electronic cartridge monitor. Includes a three position NFPA compliant fill station, Control panel with lexan laminate fill schematic, two ASME storage cylinders, automatic condensate drain system and PLC controller with smart pad operator interface console. Entire electrical assembly is UL LISTED. All in an attractive sound attenuating enclosure. Three phase electric.


  • BAUER breathing air purification system with SECURUS
  • BAUER PLC based controller with 7” color HMI touchscreen display
  • NEMA 4 rated electrical enclosure with UL® listed control panel
  • Compressor low oil pressure and high temperature safety shutdowns
  • Emergency stop push button
  • Hinged cascade fill control panel with Lexan laminate air flow/fill schematic
  • Audible alarm on safety shutdowns
  • Inlet filter maintenance indicator
  • Automatic condensate drain system with non-corrosive condensate reservoir
  • Two ASME code stamped air cylinders installed in an integral rack designed to hold four cylinders
  • Sound attenuating enclosure with slam-action latches and lift-off type hinges
  • NFPA 1901 2016 edition compliant 3 position containment fill station
  • Integrated float sensor and automatic “Full” indication and compressor shutdown
  • Accommodates SCBA or SCUBA cylinders up to 31” overall length
Download: Product Datasheet