Orifice Flow Meter Problems

Instrumentation Flow
1

Orifice Flow Meter Problems that Produce a Warning with Diagnostic Includes -

  • Incorrect Inlet or Throat Diameter Keypad Entry.
  • Two-Phase Flow.
  • Excessive Flow Disturbance Upstream of the Meter.
  • Contamination Build-Up Through the Meter.
  • Blocked Impulse Lines.
  • Saturated & Drifting DP Transmitter.
  • A Buckled Plate
  • A Plate Installed Backwards.
  • A Worn or Damage Orifice Leading Edge.
  • Incorrectly Spanned DP Transmitter, etc
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2

flow rate change from the design and beyond the turn down ration of the FE shall be considered as one of the problems ?

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