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Simplifying Complexity. Delivering Safety.
Simplifying Complexity.
Delivering Safety.


Expo offers a range of accessories that enhance the performance and increase the capabilities of our hazardous area products:

  • In-line air heaters and filter units to solve common problems with instrument air supplies to large purge systems.
  • Cabinet coolers to ensure hazardous area enclosures can operate safely in high ambient temperatures, or with high thermal loads. 
  • Interface units for our Minipurge and SmartPurge systems to provide safety critical isolation of enclosure power and signals.
  • Electro-Pneumatic Power Supply (EPPS) to provide stand-alone IS power for our  MotorPurge systems
  • Friction-free Intrinsically Safe valves for high switching performance in pneumatic control circuits
  • Operator Interface Adaptors - allow the use of standard membrane pad HMI's in purged & pressurized enclosures