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Avon Protection - ST50 - HCC Tactical


The ST50 SCBA by Avon Protection System was developed as a result of extensive field research, evaluation and voice of the customer. The lightweight ST50...
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The ST50 SCBA by Avon Protection System was developed as a result of extensive field research, evaluation and voice of the customer. The lightweight ST50 is a NIOSH approved, positive pressure, simple to operate, competitively priced self-contained breathing apparatus specifically designed to meet the unique and demanding requirements of Correctional facilities and Plant security.

This Product is subject to ITAR/EAR Export Controls. Please visit our ITAR/EAR page (click here) or Contact Us for more Information.

The ST50 deploys a modified, field proven PC50+ face piece that provides high performance, extreme wearer comfort, unobstructed vision and excellent communication. The small footprint, rugged compact demand valve (CDV) delivers high flow rates to the mask while the ergonomically designed back frame and harness assembly provides a comfortable and secure fit to the operator. The ST50 can accommodate 2216 psi or 4500 psi 30, 45 or 60 minute carbon cylinders incorporating a quick release cylinder band allowing for easy exchange.

By design, the ST50 is very simple to don, operate, deploy and maintain while in parallel robust enough to withstand the punishment and extreme operational requirements of Correctional Officers and Plant Security personnel. Realizing the daily budget challenges experienced by all, the ST50 SCBA has the lowest cost of ownership within the industry and is backed by a best-in-class warranty and service support program.

Ideal for: Correctional Officers, Corrections Response Teams, Special Response Teams, Plant Safety & Security Personnel and Perimeter/Border Security.



  • 3 face piece sizes for improved fit
  • Chlorobutyl rubber and silicone blend mask
  • Six point, easy to adjust head harness
  • Lightweight, comfortable backframe

      Air Management

      • Low inhalation resistance
      • Heat build-up minimized
      • Low-re-breathed carbon dioxide
      • Downward exhalation valve cover

          Field of View

          • Panoramic single lens visor
          • Optically correct visor
          • Scratch Resistant 



              • Whistle & gauge
              • Positive pressure SCBA
              • Excellent integration w/ standard PPE ensembles & external communication options

              TECHNICAL DATA:


              Mask Protection Factor  2500 Field of View
              Weight (excluding filter) 550 grams (1.2 lbs) Visual Field Score > 95
              SCBA Protection Factor 10,000  
              Weight of SCBA (excluding mask & cylinder) 4536 grams (10 lbs)  
              Inhalation Resistance without Filter Sizes
              30 l/min  0.5 mbar Fits 95% of the female / male population Small
               90 l/min  1.5 mbar Medium 
               160 l/min  3.5 mbar Large 
               Exhalation Resistance Donning Time  Within 8 seconds
               85 l/m (with CTF12 filter)  1.9 mbar Interface with PPE  Integrates with operational clothing,
              personal issued items and riot helmets


              The Avon ST50 SCBA carries a NIOSH Industrial Approval under the provisions of 42 CFR 84 TC-13F in a variety of cylinder and facepiece size combinations.

              NIOSH Approval

              • TC-13F-0868 30-MINUTE 2216 PSIG
              • TC-13F-0869 30-MINUTE 4500 PSIG
              • TC-13F-0870 45-MINUTE 4500 PSIG
              • TC-13F-0871 60-MINUTE 4500 PSIG