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OE (Ex)

The clogging indicator OE from Eaton is a combined visual and electrical pressure difference indicator for explosion proof applications. This type of pressure difference indicator can be mounted on all pressure filters with operating pressure ≤ 63 bar, if the corresponding measuring ports on the filter housing are available. The clogging indicators easily integrate into automatic control systems, and ensure continuous contamination control.

Clogging indicator type
Electrical or Visual-Electrical
max. operating pressure
914 psi (63 bar)
operating temperature
Nitrile: -13-176 °F (-25-80 °C) Viton: 14-176 °F (-10-80 °C)


  • Easy integration into automatic control systems
  • Allows for continuous contamination control and pressure
  • Differential measuring
  • Darly identification of increased contamination
  • Optimal utilization of filter elements 
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