PFR Releases FRNC-5PC Version 9.5.1

On March 17, 2022, PFR Engineering released FRNC-5PC v9.5.1. Version 9.5.1 includes a number of enhancements, upgrades and new features. Following are some highlights:

  1. Added options to run ‘Process Composition-only’ and ‘Transfer line-only’ cases, without needing to input unrelated items such as Firebox, Firing, etc. as in the past.
  2. Added a 2-Phase Critical Velocity calculation option using Gas-Phase properties with a multiplier.
  3. Added a Combustion-air flow rate input to the Air Preheater module, mostly for use with the automatic FRNC-5/REFORM-3 link feature in REFORM-3.

If you would like additional information about FRNC-5PC v9.5.1 or any of the other PFR Engineering software products, please email us at