ST53

Product description

The ST53™ combines Avon Protection Systems’ FM53 mask with new and innovative modular breathing apparatus technology to provide positive pressure SCBA and/or PAPR capability. The ST53™ system provides the operator with total flexibility to select the necessary level of protection quickly and efficiently whilst continuing to operate effectively at an incident.

  • Seamless transition between APR protection (negative pressure) and SCBA protection (positive pressure).
  • Two versions available:

    • The standard ST53™ with full back frame offers 4.7 l, 6.8 l and 9 l lightweight  carbon wrapped cylinder options.
    • A short duration variant, ST53SD™ provides a belt or harness carry option with 1l and 2 l cylinder options meeting the needs of short –term tactical operations.

The STPAPR™ (Powered Air Purifying Respirator) is available as an optional extra with the ST53™ and ST53SD™. The system is modular, taking just a few moments to attach, using quick connect air line couplings and straps to locate the unit along side the air cylinder.

Product approvals

All cylinders meet DOT, CE and AS standards as appropriate.

SCBA agent tested at ECBC Edgewood, USA, against:

  • Distilled Sulphur Mustard (HD) liquid/vapour
  • Sarin (GB) vapour

User focus of the product

Avon’s revolutionary ST53™ multi-role Respiratory Protective Equipment (RPE) System has been developed specifically for specialist applications where the user needs to respond to changing operational conditions:

  • Defence - Assault teams, Explosive Ordnance Disposal (EOD), CBRN entry and clean up
  • First responder - Hazmat and CBRN
  • Law enforcement
  • Rescue & recovery
  • Decontamination teams
  • Clandestine drug entry and remediation
  • Specialist entry teams
  • Chemical spill clean up

 

 


 

Product Features

  • Designed with stealth applications in mind including non reflective black components.
  • A unique close fitting conformal filter, giving the user maximum visibility, improved weapon sighting and manoeuvrability.
  • The ST53™ includes a remote, accessible, chest mounted pressure gauge and a warning whistle, which can be disabled for covert work.
  • The ST53SD™ warning devices are either attached directly to the regulator body or can be remotely mounted via a high pressure hose. 
  • Both options have:
      • The world’s smallest, most compact chemically hardened positive pressure demand valve.
      • Optional Voice Projection Unit (VPU) with internal microphone connected via the Electronic Communication Port (ECP).
      • Radio communications capability via the internal microphone.

    • Product Options

    • ST53™ is available with a choice of 4.7 l – 9 l 300 bar lightweight carbon wrapped cylinders.
    • ST53SD™ is available with either a 1 l or 2 l 300 bar lightweight carbon wrapped cylinder.
    • STPAPR™ is available with the choice of:
      • Lithium Sulphur Dioxide single use battery with a minimum 7 hour battery life.
      • Lithium Iron rechargeable battery with a minimum 6 hour battery life.
    • Airline / decontamination attachments are available with the ST53™.
    • Operator replaceable spare parts.
    • Wide range of fully compatible accessories including:
      • Hydration canteens
      • Communication connections
      • Vision correction system
      • Clear, sunlight and laser outserts
      • A range of storage and carry bags
    Downloads
    pdfST53 Datasheet (2.80 MB)

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