Since 1978 FCI has been delivering level, flow and temperature measurement solutions to the nuclear power industry. FCI products are applied in both safety-rated and balance of plant applications in both BWR and PWR designs. FCI products and quality systems have the certifications and credentials that comply with global standards nuclear plant installations.

  • Brand


Fluid Components FCI


Our products include

  • Flow Switches and Alarms
  • Air Mass Flow Meters
  • Level Gauges
  • Level Switches and Alarms
  • Gas Mass Flow Meters
  • Spent fuel pool level/temperature

Engineers at EPC’s, reactor manufacturers and utility owner/operators look to FCI to provide level and flow measurement instrumentation that achieve superior performance, reliability and longest service life at the lowest installed cost

  • Rated #1 in thermal dispersion flow and level technology
  • Multi-variable measurement saves instrumentation costs
  • Reductions in piping and tap points
  • Product Selection, Solution Engineering
  • Lowest pressure loss technology saves power
  • Global Sales, Service, Support and Training
  • No moving part technology, No Maintenance
  • Extensive Nuclear Qualifications and Certifications

We invite you to navigate our site, download product literature and discover how FCI- Nuclear instrumentation can be your partner in level, flow and temperature measurement solutions for your nuclear plant. 


Nuclear credentials include 

  • Product compliance with IEEE 323, IEEE 344, IEEE 382
  • Class 1E seismic category 1
  • Manufacturing process compliance with NUPIC and NIAC
  • ISO 9001 certified
  • Item dedication program maintained in-house
  • Quality assurance meeting 10CFR50 Appendix B and compliance with 10CFR21, ANSI N45.2 and NQA-1
  • HAF604
  • Analyzer sampling systems
  • Chemical injection
  • Condensate pot level
  • Condenser off gas flow
  • Containment level gauge
  • Drain line flow sensor
  • Flood alarm
  • Heat exchangers
  • Porv safety valves
  • Pump protection
  • Radwaste interface
  • Reactor core coolant
  • Hardened Vent Gas Flow
  • Spent Fuel Pool Level
More From Avensys

More Services

Our certified engineers and technicians can intervene from the initial consultation and planning stages, throughout the life of instruments and systems.
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Field & In House

Develop customized monitoring plans that address client's unique needs...

Start up

Start up & Commissioning is a critical phase in the life cycle of any project.

Integrated Systems

The benefits include improved performance, reduced costs, and increased reliability.


We believe that product training is essential for both our employees and our clients.