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Watching brief


Working with a robotic systems and camera manufacturer to provide a flexible Ex p solution for cameras in automotive painting applications

Project Brief

Provide a flexible Purge & Pressurization (Ex p) solution for a range of multi-camera systems that are installed alongside automotive painting robots to monitor paint quality and detect defects.


  • Flexibility to protect multiple cameras with a single purge & pressurization system, to reduce footprint and complexity
  • Ensure that series purging would be effective, and meet code requirements, when the system was expanded from 2 to 4 cameras for larger vehicle applications
  • Careful attention to air flow, especially from system relief valves, to ensure that there would be no interference with paint application
  • Class I Div 1 solution required due to the continuous presence of solvent based paints
  • Type X purge & pressurization system - suitably sized for purging and pressurizing up to 4 cameras in series.
  • Custom elements to allow series purging and remote location of the relief valves. For more details on series purging of multiple enclosures, read our application note here
Expo Products and Services
  • Type X purge & pressurization system
  • Custom engineering
  • World-Class customer service

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