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The annular gap flushing with pressurization allows the use of rotary paddle level indicators in moist bulk solids without any problems. The shaft bearings are protected from the moisture of wet, oily, and sticky bulk solids by the pressurization. For flushing compressed air or inert gases can be used.

Product features

  • Flushing with oil- and water-free compressed air or inert gases
  • Flushing pressure minimum 4 bar, maximum 8 bar, 2 bar above process pressure
  • Consumption approximately 0,2 Nl/min
  • Suitable for many process connections
  • Process temperature -25 °C up to 500 °C
  • Process pressure -0,5 bar up to 5 bar