Model FLC-CO

Compact orifice plate

For the direct mounting of differential pressure transmitters

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  • Chemical and petrochemical industries
  • Process plants and power generation
  • Water treatment and distribution
  • Gas processing and transport
  • Oil production and refining

Special features

  • Compact and robust design per ISO 5167-2
  • Installation between existing flanges (ASME/EN)
  • Complete measuring point consisting of orifice plate, valve manifold and differential pressure transmitter available
  • Simple installation without differential pressure lines
  • Accuracy ≤ ±0.5 % of the actual flow rate and a repeatability of the measurement of 0.1 %


Compact orifice plates can be used without difficulty for the measurement of liquids, gases and vapours.

Differential pressure flow meters are used in many technical applications. As primary flow elements, orifice plates represent the most common solution. Orifice plates are notable for their easy installation and management.

The differential pressure generated by the primary flow element is normally transformed into an electrical signal proportional to the flow rate by a differential pressure transmitter.

Compact orifice plates enable the simple assembly of the measuring arrangement as a plug-and-play solution, through which significant cost savings can be achieved. Differential pressure transmitters and valve manifolds are attached via compact pressure tappings. These measuring arrangements have the advantage that differential pressure lines can be eliminated.

The compact orifice plates are offered as standard in two beta ratios. In the case of customer-specific requirements for the beta ratio, our software simplifies the design and selection process.

Compact orifice plate
  • Compact orifice plate
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