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Model 220SS & 225SS / Single swinging Stainless Steel door

High performance swinging doors for sterile Environments

ASI Doors’ stainless steel swinging door system is designed, engineered and precision manufactured with over 30 years of experience partnering with the leading pharmaceutical companies and architects across the country. With our all inclusive program we can engineer a complete interlock/access control system, packaged with the doors and hardware, to ensure flawless installation and start-up.

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Door Sizes

  • Up to 4' x 9' (For additional sizes - consult factory)


  • 1-3/4” thick 16 ga. 304 #4 four-sided seamless stainless steel panel with high density EPS bonded core
  • All hardware locations reinforced with internal steel backing plates
  • Standard with stainless steel push/pull handles
  • 20 ga. stainless steel edge capping for added protection and durability
  • 16 ga., 304 #4 stainless steel fully welded and polished (through frame faces and throat) stainless steel with 20 ga. stainless steel covers
  • Available in single or double rabbet construction
  • Prepped for a wide variety of hardware options


  • Grade 1 Architectural hardware standard
  • Hager BB1191 standard weight stainless steel fully mortised hinges
  • LCN 4041 heavy-duty closer
  • Stainless steel push/pull hardware
  • Frame mounted, three sided bulb type perimeter gasket and bottom sweep gasket


  • Manual open with standard spring assist closer
  • Power operation utilizing an electromechanical operator, microprocessor controlled in 120 volt, single phase, with mechanical spring close
  • Operator completely enclosed within a 16 ga. 304 #4 stainless steel sloped shroud
  • Overhead presence sensor to provide threshold and swing slide obstruction detection
  • Activation device to open; time delay to close
  • In case of power failure, door can be opened manually


  • Vision panel with standard sloped frame
  • Cleanview® flush vision panel
  • All stainless steel construction available in 316L
  • 14 ga. stainless steel frames
  • Molded fiberglass panel
  • Custom designed interlocking system
  • Hospital stops 4” or 6”
  • Stainless steel closer cover
  • Can provide any major lines and grades of architectural hardware
  • Custom color (consult factory)
  • Touch-less wall-mounted activation switch
  • Actuators: Variety of activation devices available


  • Two year limited warranty on all components

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