Control units​

Lean Process Ventilation requires the following controller models:

  • On/off controller for process extraction dampers or fans
  • Feedback regulators for pressure and airflow control
  • Laboratory Fume Hood airflow regulator
  • Pressure and Flow guards with min/max alarm​
  • Pressure and Flow transmitters with alarm
  • Power sensors and contacts for start-up signals
  • CEE with internal transformer and on/off control

Power Box FV50X


Pressure Guard FV51X


Pressure Transmitter FV52X​

Airflow Controller FV56X​


Comfort Ventilation Controller FV67X

Laboratory Airflow Controller FV68X​

Power Box FV40X​

Manual 1

Manual 2 (New model)

Contact us:​

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FlexValve  -  Industrivej 3  -  4241 Vemmelev  -  Denmark  -  Phone: +45 58 58 42 42  -  Email:  -