OPD (Over Pressurisation Device)

Midland-ACS OPD (Over Pressurisation Device) is a 316L Stainless Steel unit providing protection to downstream equipment from over pressure events.

Features and Benefits:

  • Protection of equipment from regulator failure & over pressure events
  • Specifically designed for Severe Environments
  • Manifold Mounted Option
  • Auto shut-off
  • 1/4 turn actuator and on/off valve protection
  • Linear actuator and control valve protection
  • System instrumentation equipment protection
  • Process valve stem & seat saver
  • Easy Installation
  • 316L Stainless Steel Construction
  • Compliments and protects ESD & safety instrumented system equipment
  • Ambient Temperature Range -20ºC to +80ºC

Regulated Outlet Pressure Range:

  • 4 - 8 Bar

Trip Pressure Range:

  • 4.5 - 8.5 bar (4-8 Bar)

Maximum Response Time:

  • 30ms (4-8 Bar)

Temperature Range:

  • Standard: -20ºC to +80ºC (-4ºF to +176ºF)
  • Low Temp: -50ºC (-58ºF) (optional)

Maximum Inlet Pressure:

  • Manual drain: 20 bar
  • Auto drain: 17 bar

See Air Preparation Literature page for further details

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OPD (Over Pressurisation Device)